Invoice working in Go

Dockerfile.local.go

@@ -2,6 +2,19 @@ FROM golang:1.24-alpine
 
 WORKDIR /app
 
+# Install Chromium and dependencies for chromedp
+RUN apk add --no-cache \
+    chromium \
+    nss \
+    freetype \
+    harfbuzz \
+    ca-certificates \
+    ttf-freefont
+
+# Set environment variable for chromedp to find chromium
+ENV CHROME_BIN=/usr/bin/chromium-browser \
+    CHROME_PATH=/usr/bin/chromium-browser
+
 # Copy go.mod and go.sum first
 COPY go/go.mod go/go.sum ./
 
@@ -19,6 +32,9 @@ COPY go/ .
 # Generate sqlc code
 RUN sqlc generate
 
+# Ensure static assets are available
+COPY go/static ./static
+
 # Copy Air config
 COPY go/.air.toml .air.toml
 

Dockerfile.prod.go

@@ -13,7 +13,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o vault cmd/vault/m
 
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates tzdata
-WORKDIR /root/
+WORKDIR /app
 COPY --from=builder /app/server .
 COPY --from=builder /app/vault .
 COPY go/templates ./templates

Dockerfile.stg.go

@@ -12,7 +12,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -o server cmd/server
 
 FROM alpine:latest
 RUN apk --no-cache add ca-certificates tzdata
-WORKDIR /root/
+WORKDIR /app
 COPY --from=builder /app/server .
 COPY go/templates ./templates
 COPY go/static ./static

go/cmd/server/main.go

@@ -84,6 +84,7 @@ func main() {
 
 	// PDF generation routes (under /api/pdf/* to avoid conflict with file server)
 	goRouter.HandleFunc("/api/pdf/generate-invoice", handlers.GenerateInvoicePDF).Methods("POST")
+	goRouter.HandleFunc("/api/pdf/generate-invoice-html", handlers.GenerateInvoicePDFHTML).Methods("POST") // HTML version
 	goRouter.HandleFunc("/api/pdf/generate-quote", handlers.GenerateQuotePDF).Methods("POST")
 	goRouter.HandleFunc("/api/pdf/generate-po", handlers.GeneratePurchaseOrderPDF).Methods("POST")
 	goRouter.HandleFunc("/api/pdf/generate-packinglist", handlers.GeneratePackingListPDF).Methods("POST")

go/internal/cmc/handlers/pdf_api.go

@@ -4,21 +4,31 @@ import (
 	"database/sql"
 	"encoding/json"
 	"fmt"
+	"html"
 	"log"
 	"net/http"
 	"os"
+	"strings"
 	"time"
 
 	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/db"
 	"code.springupsoftware.com/cmc/cmc-sales/internal/cmc/pdf"
 )
 
+// escapeToHTML converts plain text to HTML with newlines as <br>
+func escapeToHTML(s string) string {
+	s = html.EscapeString(s)
+	s = strings.ReplaceAll(s, "\n", "<br>")
+	return s
+}
+
 // InvoiceLineItemRequest is the JSON shape for a single line item.
 type InvoiceLineItemRequest struct {
 	ItemNumber          string  `json:"item_number"`
 	Quantity            string  `json:"quantity"`
 	Title               string  `json:"title"`
 	Description         string  `json:"description"`
+	IsHTML              bool    `json:"is_html"` // Flag to indicate description contains HTML
 	UnitPrice           float64 `json:"unit_price"`
 	TotalPrice          float64 `json:"total_price"`
 	NetUnitPrice        float64 `json:"net_unit_price"`
@@ -35,6 +45,7 @@ type InvoiceLineItemRequest struct {
 // InvoicePDFRequest is the expected payload from the PHP app.
 type InvoicePDFRequest struct {
 	DocumentID          int32                    `json:"document_id"`
+	InvoiceNumber       string                   `json:"invoice_number"` // e.g. "INV-001234"
 	InvoiceTitle        string                   `json:"invoice_title"`
 	CustomerName        string                   `json:"customer_name"`
 	ContactEmail        string                   `json:"contact_email"`
@@ -106,11 +117,15 @@ func GenerateInvoicePDF(w http.ResponseWriter, r *http.Request) {
 	lineItems := make([]db.GetLineItemsTableRow, len(req.LineItems))
 	for i, li := range req.LineItems {
 		lineItems[i] = db.GetLineItemsTableRow{
-			ItemNumber:     li.ItemNumber,
-			Quantity:       li.Quantity,
-			Title:          li.Title,
-			GrossUnitPrice: sql.NullString{String: fmt.Sprintf("%.2f", li.UnitPrice), Valid: true},
-			GrossPrice:     sql.NullString{String: fmt.Sprintf("%.2f", li.TotalPrice), Valid: true},
+			ItemNumber:          li.ItemNumber,
+			Quantity:            li.Quantity,
+			Title:               li.Title,
+			Description:         li.Description,
+			GrossUnitPrice:      sql.NullString{String: fmt.Sprintf("%.2f", li.UnitPrice), Valid: true},
+			GrossPrice:          sql.NullString{String: fmt.Sprintf("%.2f", li.TotalPrice), Valid: true},
+			DiscountPercent:     sql.NullString{String: fmt.Sprintf("%.2f", li.DiscountPercent), Valid: li.DiscountPercent > 0},
+			DiscountAmountUnit:  sql.NullString{String: fmt.Sprintf("%.2f", li.DiscountAmountUnit), Valid: li.DiscountAmountUnit > 0},
+			DiscountAmountTotal: sql.NullString{String: fmt.Sprintf("%.2f", li.DiscountAmountTotal), Valid: li.DiscountAmountTotal > 0},
 		}
 	}
 
@@ -154,6 +169,111 @@ func GenerateInvoicePDF(w http.ResponseWriter, r *http.Request) {
 	_ = json.NewEncoder(w).Encode(map[string]string{"filename": filename})
 }
 
+// GenerateInvoicePDFHTML generates invoice using HTML template and chromedp
+func GenerateInvoicePDFHTML(w http.ResponseWriter, r *http.Request) {
+	var req InvoicePDFRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "invalid JSON payload", http.StatusBadRequest)
+		return
+	}
+
+	if req.InvoiceTitle == "" || req.CustomerName == "" {
+		http.Error(w, "invoice_title and customer_name are required", http.StatusBadRequest)
+		return
+	}
+
+	issueDate := time.Now()
+	if req.IssueDate != "" {
+		if parsed, err := time.Parse("2006-01-02", req.IssueDate); err == nil {
+			issueDate = parsed
+		}
+	}
+
+	outputDir := req.OutputDir
+	if outputDir == "" {
+		outputDir = os.Getenv("PDF_OUTPUT_DIR")
+	}
+	if outputDir == "" {
+		outputDir = "../php/app/webroot/pdf"
+	}
+	if err := os.MkdirAll(outputDir, 0755); err != nil {
+		log.Printf("GenerateInvoicePDFHTML: failed to create output dir: %v", err)
+		http.Error(w, "failed to prepare output directory", http.StatusInternalServerError)
+		return
+	}
+
+	// Map request into the existing PDF generation types
+	doc := &db.Document{ID: req.DocumentID, CmcReference: req.InvoiceNumber}
+	inv := &db.Invoice{Title: req.InvoiceTitle}
+	cust := &db.Customer{Name: req.CustomerName}
+
+	log.Printf("GenerateInvoicePDFHTML: Setting invoice number to: %s", req.InvoiceNumber)
+
+	lineItems := make([]db.GetLineItemsTableRow, len(req.LineItems))
+	for i, li := range req.LineItems {
+		// Escape description if it's not HTML
+		desc := li.Description
+		if !li.IsHTML {
+			// Escape plain text to HTML entities
+			desc = escapeToHTML(desc)
+		}
+
+		// Calculate the final price after discount
+		finalPrice := li.TotalPrice - li.DiscountAmountTotal
+
+		lineItems[i] = db.GetLineItemsTableRow{
+			ItemNumber:          li.ItemNumber,
+			Quantity:            li.Quantity,
+			Title:               li.Title,
+			Description:         desc,
+			GrossUnitPrice:      sql.NullString{String: fmt.Sprintf("%.2f", li.UnitPrice), Valid: true},
+			GrossPrice:          sql.NullString{String: fmt.Sprintf("%.2f", finalPrice), Valid: true},
+			DiscountAmountTotal: sql.NullString{String: fmt.Sprintf("%.2f", li.DiscountAmountTotal), Valid: li.DiscountAmountTotal > 0},
+		}
+	}
+
+	data := &pdf.InvoicePDFData{
+		Document:            doc,
+		Invoice:             inv,
+		Customer:            cust,
+		LineItems:           lineItems,
+		CurrencySymbol:      req.CurrencySymbol,
+		CurrencyCode:        req.CurrencyCode,
+		ShowGST:             req.ShowGST,
+		ShipVia:             req.ShipVia,
+		FOB:                 req.FOB,
+		IssueDate:           issueDate,
+		IssueDateString:     req.IssueDateString,
+		EmailTo:             req.ContactEmail,
+		Attention:           req.ContactName,
+		FromName:            fmt.Sprintf("%s %s", req.UserFirstName, req.UserLastName),
+		FromEmail:           req.UserEmail,
+		YourReference:       req.YourReference,
+		BillTo:              req.BillTo,
+		ShipTo:              req.ShipTo,
+		ShippingDetails:     req.ShippingDetails,
+		CustomerOrderNumber: req.CustomerOrderNumber,
+		JobTitle:            req.JobTitle,
+		PaymentTerms:        req.PaymentTerms,
+		CustomerABN:         req.CustomerABN,
+		Subtotal:            req.Subtotal,
+		GSTAmount:           req.GSTAmount,
+		Total:               req.Total,
+	}
+
+	// Use HTML generator instead of gofpdf
+	htmlGen := pdf.NewHTMLInvoiceGenerator(outputDir)
+	filename, err := htmlGen.GenerateInvoicePDF(data)
+	if err != nil {
+		log.Printf("GenerateInvoicePDFHTML: failed to generate PDF: %v", err)
+		http.Error(w, fmt.Sprintf("failed to generate PDF: %v", err), http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	_ = json.NewEncoder(w).Encode(map[string]string{"filename": filename})
+}
+
 // QuoteLineItemRequest reuses the invoice item shape
 type QuoteLineItemRequest = InvoiceLineItemRequest
 

go/internal/cmc/pdf/description_formatter.go

@@ -0,0 +1,7 @@
+package pdf
+
+// formatDescription passes through descriptions as-is
+// HTML formatting should be applied in PHP before sending to this API
+func formatDescription(text string) string {
+	return text
+}

go/internal/cmc/pdf/description_formatter_test.go

@@ -0,0 +1,115 @@
+package pdf
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestFormatDescription(t *testing.T) {
+	input := `Item Code: B25SEZ22B0
+Item Description: SE Sensor Zone 22
+Type: SE - To control the function of the rupture disc
+Cable Length: 2m
+Ui< 40V
+li<57mA
+Li, Ci negligible
+II 2G Ex ib IIC T6 (Gb)
+II 2D Ex ib IIC T 80 deg C IP65 ((Db) -25 deg C < Ta < +80 deg C
+IBEx U1ATEX1017
+Includes installation instruction
+
+With standard Angle Bracket to suit Brilex Non-Insulated Explosion Vents
+(If Insulated panels are used a modified (vertically extended) bracket needs to be used)
+See attached EC Conformity Declaration for the SE Sensor
+
+Testing at
+
+1. -4 deg C
+2. -30 deg C
+3. 20 deg C`
+
+	output := formatDescription(input)
+
+	// Check that key: value pairs are bolded
+	if !strings.Contains(output, "<strong>Item Code:</strong>") {
+		t.Error("Item Code should be bolded")
+	}
+
+	if !strings.Contains(output, "<strong>Item Description:</strong>") {
+		t.Error("Item Description should be bolded")
+	}
+
+	// Check that list items are in <ol><li> tags
+	if !strings.Contains(output, "<ol>") {
+		t.Error("Ordered list should have <ol> tag")
+	}
+
+	if !strings.Contains(output, "<li>-4 deg C</li>") {
+		t.Error("List item 1 not formatted correctly")
+	}
+
+	// Check that italic patterns are applied
+	if !strings.Contains(output, "<em>See attached EC Conformity Declaration for the SE Sensor</em>") {
+		t.Error("Italic pattern not applied to EC Conformity Declaration text")
+	}
+
+	// Verify HTML tags are properly balanced (count opening/closing tag pairs)
+	strongOpens := strings.Count(output, "<strong>")
+	strongCloses := strings.Count(output, "</strong>")
+	if strongOpens != strongCloses {
+		t.Errorf("Unbalanced <strong> tags: %d opens, %d closes", strongOpens, strongCloses)
+	}
+
+	emOpens := strings.Count(output, "<em>")
+	emCloses := strings.Count(output, "</em>")
+	if emOpens != emCloses {
+		t.Errorf("Unbalanced <em> tags: %d opens, %d closes", emOpens, emCloses)
+	}
+
+	olOpens := strings.Count(output, "<ol>")
+	olCloses := strings.Count(output, "</ol>")
+	if olOpens != olCloses {
+		t.Errorf("Unbalanced <ol> tags: %d opens, %d closes", olOpens, olCloses)
+	}
+
+	t.Logf("Formatted output:\n%s", output)
+}
+
+func TestIsOrderedListItem(t *testing.T) {
+	tests := []struct {
+		input    string
+		expected bool
+	}{
+		{"1. Item one", true},
+		{"2. Item two", true},
+		{"10. Item ten", true},
+		{"Item without number", false},
+		{"1 Item without dot", false},
+		{"Item: with colon", false},
+	}
+
+	for _, test := range tests {
+		result := isOrderedListItem(test.input)
+		if result != test.expected {
+			t.Errorf("isOrderedListItem(%q) = %v, want %v", test.input, result, test.expected)
+		}
+	}
+}
+
+func TestFormatLine(t *testing.T) {
+	tests := []struct {
+		input    string
+		contains string
+	}{
+		{"Item Code: B25SEZ22B0", "<strong>Item Code:</strong>"},
+		{"Type: SE - To control", "<strong>Type:</strong>"},
+		{"Random text here", "Random text here"},
+	}
+
+	for _, test := range tests {
+		result := formatLine(test.input)
+		if !strings.Contains(result, test.contains) {
+			t.Errorf("formatLine(%q) should contain %q, got %q", test.input, test.contains, result)
+		}
+	}
+}

go/internal/cmc/pdf/html_generator.go

@@ -0,0 +1,389 @@
+package pdf
+
+import (
+	"bytes"
+	"context"
+	"database/sql"
+	"fmt"
+	"html/template"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/chromedp/cdproto/page"
+	"github.com/chromedp/chromedp"
+	"github.com/pdfcpu/pdfcpu/pkg/api"
+)
+
+// HTMLInvoiceGenerator generates PDF invoices from HTML templates using chromedp
+type HTMLInvoiceGenerator struct {
+	outputDir string
+}
+
+// NewHTMLInvoiceGenerator creates a new HTML-based invoice generator
+func NewHTMLInvoiceGenerator(outputDir string) *HTMLInvoiceGenerator {
+	return &HTMLInvoiceGenerator{
+		outputDir: outputDir,
+	}
+}
+
+// GenerateInvoicePDF creates a PDF invoice from HTML template
+func (g *HTMLInvoiceGenerator) GenerateInvoicePDF(data *InvoicePDFData) (string, error) {
+	fmt.Println("=== HTML Generator: Starting invoice generation (two-pass with T&C page count) ===")
+
+	// FIRST PASS: Generate PDF without page numbers to determine total pages (including T&C)
+	fmt.Println("=== HTML Generator: First pass - generating without page count ===")
+	html := g.buildInvoiceHTML(data, 0, 0)
+
+	fmt.Printf("=== HTML Generator: Generated %d bytes of HTML ===\n", len(html))
+
+	tempHTML := filepath.Join(g.outputDir, "temp_invoice.html")
+	if err := ioutil.WriteFile(tempHTML, []byte(html), 0644); err != nil {
+		return "", fmt.Errorf("failed to write temp HTML: %w", err)
+	}
+	defer os.Remove(tempHTML)
+	defer os.Remove(filepath.Join(g.outputDir, "invoice_logo.png")) // Clean up temp logo
+	defer os.Remove(filepath.Join(g.outputDir, "temp_logo.png"))    // Clean up temp logo
+
+	// Generate temp PDF
+	tempPDFPath := filepath.Join(g.outputDir, "temp_invoice_first_pass.pdf")
+	if err := g.htmlToPDF(tempHTML, tempPDFPath); err != nil {
+		return "", fmt.Errorf("failed to convert HTML to PDF (first pass): %w", err)
+	}
+
+	// Get initial page count from invoice
+	invoicePageCount, err := g.getPageCount(tempPDFPath)
+	if err != nil {
+		fmt.Printf("Warning: Could not extract invoice page count: %v\n", err)
+		invoicePageCount = 1
+	}
+
+	// Check if T&C exists and merge to get total page count
+	totalPageCount := invoicePageCount
+	termsPath := filepath.Join(g.outputDir, "CMC_terms_and_conditions2006_A4.pdf")
+	tempMergedPath := filepath.Join(g.outputDir, fmt.Sprintf("%s_merged_first_pass.pdf", data.Invoice.Title))
+
+	if _, err := os.Stat(termsPath); err == nil {
+		fmt.Println("=== HTML Generator: T&C found, merging to determine total pages ===")
+		if err := MergePDFs(tempPDFPath, termsPath, tempMergedPath); err == nil {
+			// Get total page count from merged PDF
+			totalPageCount, err = g.getPageCount(tempMergedPath)
+			if err != nil {
+				fmt.Printf("Warning: Could not extract merged page count, using invoice count: %v\n", err)
+				totalPageCount = invoicePageCount
+			} else {
+				fmt.Printf("=== HTML Generator: Total pages (invoice + T&C): %d ===\n", totalPageCount)
+			}
+		} else {
+			fmt.Printf("Warning: Could not merge T&C for counting: %v\n", err)
+		}
+	}
+
+	fmt.Printf("=== HTML Generator: First pass complete, detected %d total pages ===\n", totalPageCount)
+	os.Remove(tempPDFPath)
+	os.Remove(tempMergedPath)
+
+	// SECOND PASS: Generate final PDF with correct page count
+	fmt.Printf("=== HTML Generator: Second pass - regenerating with page count %d ===\n", totalPageCount)
+	html = g.buildInvoiceHTML(data, totalPageCount, 1)
+
+	if err := ioutil.WriteFile(tempHTML, []byte(html), 0644); err != nil {
+		return "", fmt.Errorf("failed to write temp HTML (second pass): %w", err)
+	}
+
+	// Generate final PDF filename using invoice number; fallback to a stable default
+	invoiceNumber := ""
+	if data.Document != nil {
+		invoiceNumber = data.Document.CmcReference
+	}
+	filenameBase := invoiceNumber
+	if filenameBase == "" {
+		filenameBase = "CMC Invoice"
+	}
+	filename := fmt.Sprintf("%s.pdf", filenameBase)
+	pdfPath := filepath.Join(g.outputDir, filename)
+
+	if err := g.htmlToPDF(tempHTML, pdfPath); err != nil {
+		return "", fmt.Errorf("failed to convert HTML to PDF (second pass): %w", err)
+	}
+
+	fmt.Println("=== HTML Generator: PDF generation complete ===")
+
+	// Merge with T&C PDF if it exists
+	if _, err := os.Stat(termsPath); err == nil {
+		fmt.Println("=== HTML Generator: Found T&C PDF, merging ===")
+		tempMergedPath := filepath.Join(g.outputDir, fmt.Sprintf("%s_merged_temp.pdf", filenameBase))
+		if err := MergePDFs(pdfPath, termsPath, tempMergedPath); err != nil {
+			fmt.Printf("=== HTML Generator: Warning - could not merge T&C PDF: %v. Returning invoice without T&C.\n", err)
+			return filename, nil
+		}
+		// Replace original with merged version
+		if err := os.Rename(tempMergedPath, pdfPath); err != nil {
+			fmt.Printf("=== HTML Generator: Warning - could not replace PDF: %v\n", err)
+		}
+	}
+
+	return filename, nil
+}
+
+// htmlToPDF converts an HTML file to PDF using chromedp
+func (g *HTMLInvoiceGenerator) htmlToPDF(htmlPath, pdfPath string) error {
+	// Read the HTML file to get its content
+	htmlContent, err := ioutil.ReadFile(htmlPath)
+	if err != nil {
+		return fmt.Errorf("failed to read HTML file: %w", err)
+	}
+
+	fmt.Printf("=== htmlToPDF: Read HTML file, size=%d bytes ===\n", len(htmlContent))
+
+	// Create chromedp context
+	opts := append(chromedp.DefaultExecAllocatorOptions[:],
+		chromedp.Flag("headless", true),
+		chromedp.Flag("disable-gpu", true),
+		chromedp.Flag("no-sandbox", true),
+		chromedp.Flag("disable-dev-shm-usage", true),
+	)
+
+	allocCtx, cancel := chromedp.NewExecAllocator(context.Background(), opts...)
+	defer cancel()
+
+	ctx, cancel := chromedp.NewContext(allocCtx)
+	defer cancel()
+
+	// Set timeout
+	ctx, cancel = context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+
+	// Navigate to file URL and print to PDF
+	var pdfBuf []byte
+	fileURL := "file://" + htmlPath
+
+	fmt.Printf("=== htmlToPDF: Using file URL: %s ===\n", fileURL)
+	fmt.Println("=== htmlToPDF: Starting chromedp navigation ===")
+
+	if err := chromedp.Run(ctx,
+		chromedp.Navigate(fileURL),
+		chromedp.ActionFunc(func(ctx context.Context) error {
+			fmt.Println("=== htmlToPDF: Executing PrintToPDF ===")
+			var err error
+			pdfBuf, _, err = page.PrintToPDF().
+				WithPrintBackground(true).
+				WithMarginTop(0).
+				WithMarginBottom(0).
+				WithMarginLeft(0).
+				WithMarginRight(0).
+				WithPaperWidth(8.27).   // A4 width in inches
+				WithPaperHeight(11.69). // A4 height in inches
+				Do(ctx)
+			if err != nil {
+				fmt.Printf("=== htmlToPDF: PrintToPDF error: %v ===\n", err)
+			} else {
+				fmt.Printf("=== htmlToPDF: PrintToPDF succeeded, PDF size=%d bytes ===\n", len(pdfBuf))
+			}
+			return err
+		}),
+	); err != nil {
+		return fmt.Errorf("chromedp failed: %w", err)
+	}
+
+	// Write PDF to file
+	if err := ioutil.WriteFile(pdfPath, pdfBuf, 0644); err != nil {
+		return fmt.Errorf("failed to write PDF: %w", err)
+	}
+
+	return nil
+}
+
+// getPageCount extracts the page count from a PDF file
+func (g *HTMLInvoiceGenerator) getPageCount(pdfPath string) (int, error) {
+	pageCount, err := api.PageCountFile(pdfPath)
+	if err != nil {
+		return 0, fmt.Errorf("failed to get page count: %w", err)
+	}
+	return pageCount, nil
+}
+
+// loadLogoAsBase64 loads the logo image and returns it as a relative path
+func (g *HTMLInvoiceGenerator) loadLogoAsBase64() string {
+	// Use canonical path: /app/static/images in Docker, go/static/images locally
+	logoPath := "/app/static/images/CMC-Mobile-Logo.png"
+	if _, err := os.Stat(logoPath); err != nil {
+		// Local development path
+		logoPath = filepath.Join("go", "static", "images", "CMC-Mobile-Logo.png")
+	}
+
+	logoData, err := ioutil.ReadFile(logoPath)
+	if err != nil {
+		fmt.Printf("Warning: Could not read logo at %s: %v\n", logoPath, err)
+		return ""
+	}
+
+	// Copy logo to output directory for chromedp to access
+	destPath := filepath.Join(g.outputDir, "invoice_logo.png")
+	if err := ioutil.WriteFile(destPath, logoData, 0644); err != nil {
+		fmt.Printf("Warning: Could not write logo to output dir: %v\n", err)
+		return ""
+	}
+
+	fmt.Printf("=== Copied logo from %s to %s ===\n", logoPath, destPath)
+	// Return relative path (same directory as HTML file)
+	return "invoice_logo.png"
+}
+
+// buildInvoiceHTML generates the complete HTML for an invoice using templates
+func (g *HTMLInvoiceGenerator) buildInvoiceHTML(data *InvoicePDFData, totalPages int, currentPage int) string {
+	// Get invoice number, fall back to invoice title so the template always shows something meaningful
+	invoiceNum := ""
+	if data.Document != nil {
+		invoiceNum = data.Document.CmcReference
+	}
+	if invoiceNum == "" {
+		invoiceNum = data.Invoice.Title
+	}
+	fmt.Printf("=== buildInvoiceHTML: Invoice number: %s ===\n", invoiceNum)
+
+	// Prepare template data
+	templateData := struct {
+		InvoiceNumber       string
+		IssueDateString     string
+		BillTo              template.HTML
+		ShipTo              template.HTML
+		CustomerOrderNumber string
+		JobTitle            string
+		FOB                 string
+		PaymentTerms        string
+		CustomerABN         string
+		CurrencyCode        string
+		CurrencySymbol      string
+		LineItems           []LineItemTemplateData
+		Subtotal            interface{}
+		GSTAmount           interface{}
+		Total               interface{}
+		ShowGST             bool
+		PageCount           int
+		CurrentPage         int
+		LogoDataURI         string
+	}{
+		InvoiceNumber:       invoiceNum,
+		IssueDateString:     data.IssueDateString,
+		BillTo:              template.HTML(data.BillTo),
+		ShipTo:              template.HTML(data.ShipTo),
+		CustomerOrderNumber: data.CustomerOrderNumber,
+		JobTitle:            data.JobTitle,
+		FOB:                 data.FOB,
+		PaymentTerms:        data.PaymentTerms,
+		CustomerABN:         data.CustomerABN,
+		CurrencyCode:        data.CurrencyCode,
+		CurrencySymbol:      data.CurrencySymbol,
+		Subtotal:            data.Subtotal,
+		GSTAmount:           data.GSTAmount,
+		Total:               data.Total,
+		ShowGST:             data.ShowGST,
+		PageCount:           totalPages,
+		CurrentPage:         currentPage,
+		LogoDataURI:         g.loadLogoAsBase64(),
+	}
+
+	// Convert line items to template format
+	for _, item := range data.LineItems {
+		templateData.LineItems = append(templateData.LineItems, LineItemTemplateData{
+			Title:               item.Title,
+			Description:         template.HTML(item.Description), // Allow HTML in description
+			Quantity:            item.Quantity,
+			GrossUnitPrice:      item.GrossUnitPrice,
+			DiscountAmountTotal: item.DiscountAmountTotal,
+			GrossPrice:          item.GrossPrice,
+		})
+	}
+
+	// Define template functions
+	funcMap := template.FuncMap{
+		"formatPrice": func(price sql.NullString) template.HTML {
+			if !price.Valid || price.String == "" {
+				return ""
+			}
+			formatted := formatPriceWithCommas(price.String)
+			return template.HTML(fmt.Sprintf("%s%s", data.CurrencySymbol, formatted))
+		},
+		"formatDiscount": func(discount sql.NullString) template.HTML {
+			if !discount.Valid || discount.String == "" {
+				return template.HTML(fmt.Sprintf("%s0.00", data.CurrencySymbol))
+			}
+			if discount.String == "0" || discount.String == "0.00" {
+				return template.HTML(fmt.Sprintf("%s0.00", data.CurrencySymbol))
+			}
+			formatted := formatPriceWithCommas(discount.String)
+			return template.HTML(fmt.Sprintf("-%s%s", data.CurrencySymbol, formatted))
+		},
+		"formatTotal": func(amount interface{}) template.HTML {
+			if amount == nil {
+				return ""
+			}
+			if val, ok := amount.(float64); ok {
+				formatted := formatPriceWithCommas(fmt.Sprintf("%.2f", val))
+				return template.HTML(fmt.Sprintf("%s%s", data.CurrencySymbol, formatted))
+			}
+			return template.HTML(fmt.Sprintf("%v", amount))
+		},
+	}
+
+	// Parse and execute template
+	tmplPath := filepath.Join("internal", "cmc", "pdf", "templates", "invoice.html")
+	tmpl, err := template.New("invoice.html").Funcs(funcMap).ParseFiles(tmplPath)
+	if err != nil {
+		fmt.Printf("Error parsing template: %v\n", err)
+		return ""
+	}
+
+	var buf bytes.Buffer
+	if err := tmpl.Execute(&buf, templateData); err != nil {
+		fmt.Printf("Error executing template: %v\n", err)
+		return ""
+	}
+
+	return buf.String()
+}
+
+// LineItemTemplateData represents a line item for template rendering
+type LineItemTemplateData struct {
+	Title               string
+	Description         template.HTML
+	Quantity            string
+	GrossUnitPrice      sql.NullString
+	DiscountAmountTotal sql.NullString
+	GrossPrice          sql.NullString
+}
+
+// formatPriceWithCommas formats a price string with comma separators
+func formatPriceWithCommas(priceStr string) string {
+	if priceStr == "" {
+		return ""
+	}
+
+	// Try to parse as float
+	price, err := strconv.ParseFloat(priceStr, 64)
+	if err != nil {
+		// Return as-is if not parseable
+		return priceStr
+	}
+
+	// Format with 2 decimal places and commas
+	amountStr := strconv.FormatFloat(price, 'f', 2, 64)
+	parts := strings.Split(amountStr, ".")
+	intPart := parts[0]
+	decPart := "." + parts[1]
+
+	// Add comma separators
+	var result strings.Builder
+	for i, ch := range intPart {
+		if i > 0 && (len(intPart)-i)%3 == 0 {
+			result.WriteString(",")
+		}
+		result.WriteRune(ch)
+	}
+
+	return result.String() + decPart
+}

go/internal/cmc/pdf/templates.go

@@ -202,11 +202,12 @@ func GenerateInvoicePDF(data *InvoicePDFData, outputDir string) (string, error)
 	gen.AddPage()
 	gen.Page1Header()
 
-	// Title
-	gen.pdf.SetFont("Helvetica", "B", 18)
+	// Title - positioned center with proper spacing
+	gen.pdf.SetFont("Helvetica", "B", 20)
 	gen.pdf.SetTextColor(0, 0, 0)
-	gen.pdf.CellFormat(0, 10, "TAX INVOICE", "", 1, "C", false, 0, "")
-	gen.pdf.Ln(5)
+	gen.pdf.SetY(54)
+	gen.pdf.CellFormat(0, 8, "TAX INVOICE", "", 1, "C", false, 0, "")
+	gen.pdf.Ln(3)
 
 	// Sold To / Delivery Address boxes
 	gen.AddInvoiceAddressBoxes(data)
@@ -230,9 +231,10 @@ func GenerateInvoicePDF(data *InvoicePDFData, outputDir string) (string, error)
 	}
 
 	// Merge with actual terms and conditions PDF using pdfcpu
+	// The T&C file should be mounted in the same directory as output PDFs in stg/prod
 	termsPath := filepath.Join(outputDir, "CMC_terms_and_conditions2006_A4.pdf")
 
-	// Check if terms file exists
+	// Check if terms file exists and merge
 	if _, err := os.Stat(termsPath); err == nil {
 		// Terms file exists, merge it
 		finalPath := invoicePath

go/internal/cmc/pdf/templates/invoice.html

@@ -0,0 +1,441 @@
+<!DOCTYPE html>
+<html>
+<head>
+	<meta charset="UTF-8">
+	<title>{{if .InvoiceNumber}}{{.InvoiceNumber}}{{else}}CMC Invoice{{end}}</title>
+	<style>
+		@page {
+			size: A4;
+			margin: 15mm;
+		}
+		
+		body {
+			font-family: Helvetica, Arial, sans-serif;
+			font-size: 9pt;
+			line-height: 1.4;
+			margin: 0;
+			padding: 0;
+			color: #000;
+		}
+		
+		a {
+			color: #0000FF;
+			text-decoration: underline;
+		}
+		
+		.header {
+			text-align: center;
+			margin-bottom: 10mm;
+		}
+		
+		.header h1 {
+			font-size: 20pt;
+			margin: 0 0 5mm 0;
+			font-weight: bold;
+		}
+		
+		.address-boxes {
+			display: flex;
+			justify-content: space-between;
+			margin-bottom: 5mm;
+		}
+		
+		.address-box {
+			width: 48%;
+			border: 1px solid #000;
+			padding: 3mm;
+		}
+		
+		.address-box h3 {
+			font-size: 10pt;
+			margin: 0 0 2mm 0;
+			font-weight: bold;
+		}
+		
+		.details-table {
+			width: 100%;
+			border-collapse: collapse;
+			margin-bottom: 5mm;
+			margin-right: 0.2mm;
+		}
+		
+		.details-table td {
+			border: 1px solid #000;
+			padding: 2mm;
+		}
+		
+		.details-table td:first-child {
+			font-weight: bold;
+			width: 25%;
+		}
+		
+		.line-items {
+			width: 99.5%;
+			border-collapse: collapse;
+			margin-bottom: 5mm;
+			table-layout: fixed;
+			margin-right: 1mm;
+			margin-left: auto;
+		}
+
+		.line-items th {
+			background-color: #f0f0f0;
+			border: 1px solid #000;
+			padding: 2mm;
+			font-weight: bold;
+			text-align: left;
+		}
+
+		.line-items td {
+			border: 1px solid #000;
+			padding: 2mm;
+			vertical-align: top;
+		}
+	
+	.line-items .description {
+		width: 50%;
+	}
+	
+	.line-items .qty {
+		width: 10%;
+		text-align: center;
+	}
+	
+	.line-items .unit-price {
+		width: 13%;
+		text-align: right;
+	}
+	
+	.line-items .discount {
+		width: 13%;
+		text-align: right;
+	}
+	
+	.line-items .total {
+		width: 14%;
+			margin-top: 5mm;
+		}
+		
+		.totals-table {
+			width: auto;
+			border-collapse: collapse;
+			border: 1px solid #000;
+			margin-right: 0.2mm;
+		}
+		
+		.totals-table td {
+			padding: 1mm 3mm;
+			border: 1px solid #000;
+		}
+		
+		.totals-table td:first-child {
+			text-align: left;
+			font-weight: bold;
+			width: 50%;
+			background-color: #f0f0f0; /* header-like label cell */
+		}
+		
+		.totals-table td:last-child {
+			text-align: right;
+			width: 50%;
+		}
+		
+		.totals-table .total-row td {
+			font-weight: bold;
+			font-size: 11pt;
+			padding-top: 2mm;
+			border-top: 1px solid #000;
+		}
+		
+		.description strong {
+			font-weight: bold;
+		}
+		
+		.description em {
+			font-style: italic;
+		}
+		
+		.description ul {
+			margin: 2mm 0;
+			padding-left: 5mm;
+		}
+		
+		.description ol {
+			margin: 2mm 0;
+			padding-left: 5mm;
+		}
+		
+		.description li {
+			margin: 1mm 0;
+		}
+		
+		.company-header {
+			text-align: center;
+			margin-bottom: 8mm;
+			border-bottom: 2px solid #000;
+			padding-bottom: 5mm;
+		}
+		
+		.company-header h1 {
+			font-size: 24pt;
+			margin: 0;
+			font-weight: bold;
+			color: #003399;
+		}
+		
+		.company-header p {
+			margin: 2mm 0;
+			font-size: 9pt;
+		}
+		
+		.contact-details {
+			display: flex;
+			justify-content: space-between;
+			margin-bottom: 5mm;
+			font-size: 9pt;
+		}
+		
+		.contact-col {
+			flex: 1;
+		}
+		
+		.contact-col strong {
+			font-weight: bold;
+		}
+		
+		.invoice-header {
+			display: flex;
+			justify-content: space-between;
+			margin-bottom: 5mm;
+			font-size: 10pt;
+		}
+		
+		.invoice-info {
+			text-align: right;
+		}
+		
+		.invoice-info div {
+			margin: 1mm 0;
+		}
+		
+		.payment-box {
+			border: 1px solid #000;
+			padding: 3mm;
+			margin-top: 5mm;
+			font-size: 9pt;
+		}
+		
+		.payment-box h4 {
+			margin: 0 0 2mm 0;
+			font-weight: bold;
+			font-size: 10pt;
+		}
+		
+		.payment-box div {
+			margin: 1mm 0;
+		}
+		
+		.logo {
+			width: 40mm;
+			height: auto;
+			display: block;
+		}
+		
+		.company-info {
+			display: flex;
+			align-items: flex-start;
+			gap: 10mm;
+			margin-bottom: 0;
+			padding-bottom: 0;
+		}
+		
+		.company-header {
+			flex: 1;
+		}
+		
+		.company-header h1 {
+			color: #003399;
+			margin: 0;
+			font-size: 20pt;
+		}
+		
+		.company-header p {
+			margin: 1mm 0;
+			font-size: 9pt;
+		}
+		
+		.main-content {
+			display: flex;
+			gap: 10mm;
+			margin-bottom: 5mm;
+		}
+		
+		.addresses-section {
+			flex: 1;
+		}
+		
+		.payment-section {
+			display: none;
+		}
+		
+		.payment-section h4 {
+			margin: 0 0 2mm 0;
+			font-weight: bold;
+			font-size: 10pt;
+		}
+		
+		.payment-section div {
+			margin: 1mm 0;
+			font-size: 9pt;
+		}
+		
+		.payment-box {
+			border: 1px solid #000;
+			padding: 3mm;
+			margin-top: 5mm;
+			font-size: 9pt;
+		}
+		
+		.payment-box h4 {
+			margin: 0 0 2mm 0;
+			font-weight: bold;
+			font-size: 10pt;
+		}
+		
+		.payment-box div {
+			margin: 1mm 0;
+		}
+	</style>
+</head>
+<body>
+	<!-- Company Header with Logo and Centered Title -->
+	<div style="display: flex; align-items: flex-start; gap: 2mm; margin-bottom: 0;">
+		<img src="{{.LogoDataURI}}" class="logo" alt="CMC Logo" style="width: 40mm; height: auto; display: block; padding-right: 5mm;">
+		<div style="flex: 1;">
+			<div style="border-bottom: 2px solid #000; padding-bottom: 0mm; text-align: center;">
+				<h1 style="font-size: 32pt; color: #003399; margin: 0 0 -1mm 0;">CMC TECHNOLOGIES</h1>
+				<p style="margin: 0mm 0 1mm 0; font-size: 10pt;">PTY LIMITED ACN: 085 991 224&nbsp;&nbsp;ABN: 47 085 991 224</p>
+			</div>
+			<!-- Contact Details Below Line -->
+			<div style="display: flex; justify-content: space-between; margin: 2mm 2mm 2mm 2mm; font-size: 10pt;">
+				<div>
+					<strong>Phone:</strong> +61 2 9669 4000<br>
+					<strong>Fax:</strong> +61 2 9669 4111<br>
+					<strong>Email:</strong> <a href="mailto:sales@cmctechnologies.com.au" style="color: #0000FF; text-decoration: underline;">sales@cmctechnologies.com.au</a><br>
+					<strong>Web Site:</strong> <a href="http://www.cmctechnologies.net.au" style="color: #0000FF; text-decoration: underline;">www.cmctechnologies.net.au</a>
+				</div>
+				<div style="text-align: right;">
+					Unit 19, 77 Bourke Rd<br>
+					Alexandria NSW 2015<br>
+					AUSTRALIA
+				</div>
+			</div>
+		</div>
+	</div>
+	
+	<!-- TAX INVOICE Section with Invoice Number and Date -->
+	<div style="display: flex; justify-content: space-between; align-items: center; margin: 2mm 0 3mm 0;">
+		<div style="flex: 1;"></div>
+		<div style="flex: 1; text-align: center;">
+			<h2 style="font-size: 16pt; margin: 0; font-weight: bold;">TAX INVOICE</h2>
+		</div>
+		<div style="flex: 1; text-align: right; font-size: 10pt;">
+			{{if .InvoiceNumber}}
+			<div style="font-weight: bold; margin-bottom: 1mm;">INVOICE# {{.InvoiceNumber}}</div>
+			{{end}}
+			{{if .IssueDateString}}
+			<div><strong>Date:</strong> {{.IssueDateString}}</div>
+			{{end}}
+			{{if .PageCount}}
+			<div><strong>Page:</strong> {{.CurrentPage}} of {{.PageCount}}</div>
+			{{end}}
+		</div>
+	</div>
+	
+	<!-- Address Boxes -->
+	<div class="address-boxes" style="display: flex; gap: 5mm; margin-bottom: 3mm;">
+		<div class="address-box" style="flex: 1;">
+			<h3>Sold To / Invoice Address:</h3>
+			<div>{{.BillTo}}</div>
+		</div>
+		<div class="address-box" style="flex: 1; margin-right: 1mm; margin-left: auto;">
+			<h3>Delivery Address:</h3>
+			<div>{{.ShipTo}}</div>
+		</div>
+	</div>
+	
+	<!-- Details Table - 5 Columns -->
+	<table class="line-items" style="margin-bottom: 3mm;">
+		<thead>
+			<tr>
+				<th style="width: 20%;">CUSTOMER ORDER NO</th>
+				<th style="width: 20%;">CMC JOB #</th>
+				<th style="width: 20%;">INCOTERMS 2010</th>
+				<th style="width: 20%;">PAYMENT TERMS</th>
+				<th style="width: 20%;">CUSTOMER ABN</th>
+			</tr>
+		</thead>
+		<tbody>
+			<tr>
+				<td>{{.CustomerOrderNumber}}</td>
+				<td>{{.JobTitle}}</td>
+				<td>{{.FOB}}</td>
+				<td>{{.PaymentTerms}}</td>
+				<td>{{.CustomerABN}}</td>
+			</tr>
+		</tbody>
+	</table>
+	
+	<!-- Currency Code Header (appears once, not repeated) -->
+	<div style="margin-bottom: 1mm; text-align: right; font-weight: bold; font-size: 9pt;">
+		Shown in {{.CurrencyCode}}
+	</div>
+	
+	<!-- Line Items -->
+	<table class="line-items">
+		<thead>
+			<tr>
+				<th class="description">DESCRIPTION</th>
+				<th class="qty">QTY</th>
+				<th class="unit-price">UNIT PRICE</th>
+				<th class="discount">DISCOUNT</th>
+				<th class="total">TOTAL</th>
+			</tr>
+		</thead>
+		<tbody>
+			{{range .LineItems}}
+			<tr>
+				<td class="description"><strong>{{.Title}}</strong><br>{{.Description}}</td>
+				<td class="qty">{{.Quantity}}</td>
+				<td class="unit-price">{{formatPrice .GrossUnitPrice}}</td>
+				<td class="discount">{{formatDiscount .DiscountAmountTotal}}</td>
+				<td class="total">{{formatPrice .GrossPrice}}</td>
+			</tr>
+			{{end}}
+		</tbody>
+	</table>
+	
+	<!-- Payment and Totals Side by Side -->
+	<div style="display: flex; gap: 10mm; align-items: flex-start; margin-top: 5mm;">
+		<div style="width: 50%; padding: 3mm; font-size: 9pt; border: 1px solid #000;">
+			<h4 style="margin: 0 0 1mm 0; font-weight: bold; font-size: 10pt;">MAKE PAYMENT TO:</h4>
+			<table style="width: 100%; border-collapse: collapse; font-size: 9pt; table-layout: fixed;">
+				<tr><td style="font-weight: bold; width: 40%; padding: 0.3mm 0; padding-right: 6mm; white-space: nowrap;">Account Name:</td><td style="padding: 0.3mm 0; white-space: nowrap;">CMC Technologies Pty Ltd</td></tr>
+				<tr><td style="font-weight: bold; width: 40%; padding: 0.3mm 0; padding-right: 6mm; white-space: nowrap;">BSB:</td><td style="padding: 0.3mm 0; white-space: nowrap;">062-458</td></tr>
+				<tr><td style="font-weight: bold; width: 40%; padding: 0.3mm 0; padding-right: 6mm; white-space: nowrap;">Account Number:</td><td style="padding: 0.3mm 0; white-space: nowrap;">10067982</td></tr>
+				<tr><td style="font-weight: bold; width: 40%; padding: 0.3mm 0; padding-right: 6mm; white-space: nowrap;">SWIFT Code:</td><td style="padding: 0.3mm 0; white-space: nowrap;">CTBAAU2S</td></tr>
+				<tr><td style="font-weight: bold; width: 40%; padding: 0.3mm 0; padding-right: 6mm; white-space: nowrap;">IBAN:</td><td style="padding: 0.3mm 0; white-space: nowrap;">0624581006782</td></tr>
+			</table>
+		</div>
+		<div style="width: 50%; margin-left: auto; margin-right: 1mm;">
+			<table class="totals-table" style="width: 100%;">
+				<tr><td>Subtotal:</td><td>{{formatTotal .Subtotal}}</td></tr>
+				{{if .ShowGST}}
+				<tr><td>GST (10%):</td><td>{{formatTotal .GSTAmount}}</td></tr>
+				{{end}}
+				<tr class="total-row"><td>TOTAL:</td><td>{{formatTotal .Total}}</td></tr>
+			</table>
+		</div>
+	</div>
+</body>
+</html>

php/app/vendors/description_formatter.php

@@ -0,0 +1,214 @@
+<?php
+/**
+ * DescriptionFormatter: Converts plain text product descriptions to formatted HTML
+ * This ensures rich text formatting (bold, italics, lists) is properly supported
+ * in PDF generation.
+ */
+
+class DescriptionFormatter {
+    
+    /**
+     * Convert plain text description to HTML with formatting
+     * 
+     * Handles:
+     * - Bold formatting for key labels (Item Code:, Type:, etc.)
+     * - Ordered lists (lines starting with "1. ", "2. ", etc.)
+     * - Italic formatting for specific phrases
+     * - Proper HTML entity escaping for special characters
+     * 
+     * @param string $text Plain text description
+     * @return string HTML-formatted description
+     */
+    public static function format($text) {
+        if (empty($text)) {
+            return '';
+        }
+
+        // Escape HTML special characters that aren't part of our formatting
+        // We need to do this carefully to preserve our HTML tags
+        $text = htmlspecialchars($text, ENT_QUOTES, 'UTF-8');
+        
+        // Split into lines for processing
+        $lines = explode("\n", $text);
+        $result = array();
+        $inOrderedList = false;
+        $listItems = array();
+
+        foreach ($lines as $line) {
+            $trimmed = trim($line);
+
+            if (empty($trimmed)) {
+                // Flush any pending list before adding empty line
+                if ($inOrderedList && count($listItems) > 0) {
+                    $result[] = self::formatOrderedList($listItems);
+                    $listItems = array();
+                    $inOrderedList = false;
+                }
+                $result[] = '';
+                continue;
+            }
+
+            // Check if this is an ordered list item (starts with "1. ", "2. ", etc.)
+            if (self::isOrderedListItem($trimmed)) {
+                if (!$inOrderedList) {
+                    $inOrderedList = true;
+                    $listItems = array();
+                }
+                // Extract text after the number
+                $listItems[] = self::extractListItemText($trimmed);
+            } else {
+                // Flush any pending list before processing non-list line
+                if ($inOrderedList && count($listItems) > 0) {
+                    $result[] = self::formatOrderedList($listItems);
+                    $listItems = array();
+                    $inOrderedList = false;
+                }
+
+                // Process regular line
+                $formatted = self::formatLine($trimmed);
+                $result[] = $formatted;
+            }
+        }
+
+        // Flush any remaining list
+        if ($inOrderedList && count($listItems) > 0) {
+            $result[] = self::formatOrderedList($listItems);
+        }
+
+        // Join with line breaks
+        $html = implode('<br>', $result);
+
+        // Clean up excessive line breaks
+        $html = preg_replace('/<br><br><br>+/', '<br><br>', $html);
+
+        return $html;
+    }
+
+    /**
+     * Check if a line is an ordered list item (e.g., "1. text")
+     */
+    private static function isOrderedListItem($line) {
+        return preg_match('/^\d+\.\s+/', $line) === 1;
+    }
+
+    /**
+     * Extract the text part of a list item, removing the number
+     */
+    private static function extractListItemText($line) {
+        $matches = array();
+        if (preg_match('/^\d+\.\s+(.*)$/', $line, $matches)) {
+            return isset($matches[1]) ? $matches[1] : $line;
+        }
+        return $line;
+    }
+
+    /**
+     * Convert an array of list items to HTML ordered list
+     */
+    private static function formatOrderedList($items) {
+        if (count($items) === 0) {
+            return '';
+        }
+        
+        $html = '<ol>';
+        foreach ($items as $item) {
+            $html .= '<li>' . $item . '</li>';
+        }
+        $html .= '</ol>';
+        
+        return $html;
+    }
+
+    /**
+     * Format a single line - mainly applying bold to key labels
+     */
+    private static function formatLine($line) {
+        // Match "Key: value" pattern
+        if (preg_match('/^([^:]+):\s*(.*)$/', $line, $matches)) {
+            $key = $matches[1];
+            $value = isset($matches[2]) ? $matches[2] : '';
+
+            // Check if this key should be bolded
+            if (self::shouldBoldKey($key)) {
+                $line = '<strong>' . htmlspecialchars($key, ENT_QUOTES, 'UTF-8') . ':</strong> ' . $value;
+            }
+        }
+
+        // Apply italics to specific phrases
+        $line = self::applyItalics($line);
+
+        return $line;
+    }
+
+    /**
+     * Determine if a key should be bolded (heuristic)
+     */
+    private static function shouldBoldKey($key) {
+        $key = trim($key);
+        
+        // List of known keys that should be bolded
+        $knownKeys = array(
+            'Item Code' => true,
+            'Item Description' => true,
+            'Type' => true,
+            'Cable Length' => true,
+            'Ui' => true,
+            'li' => true,
+            'Li, Ci' => true,
+            'II 2G' => true,
+            'II 2D' => true,
+            'IBEx' => true,
+            'Includes' => true,
+            'With standard' => true,
+            'See attached' => true,
+            'Testing at' => true,
+        );
+
+        // Check exact matches
+        if (isset($knownKeys[$key])) {
+            return true;
+        }
+
+        // Check partial matches for common patterns
+        $lowerKey = strtolower($key);
+        $commonPatterns = array(
+            'code',
+            'description',
+            'type',
+            'cable',
+            'temperature',
+            'pressure',
+            'includes',
+            'testing',
+        );
+
+        foreach ($commonPatterns as $pattern) {
+            if (strpos($lowerKey, $pattern) !== false) {
+                return true;
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Apply italic formatting to specific phrases
+     */
+    private static function applyItalics($line) {
+        $italicPatterns = array(
+            'See attached EC Conformity Declaration for the SE Sensor',
+            'If Insulated panels are used',
+        );
+
+        foreach ($italicPatterns as $pattern) {
+            if (strpos($line, $pattern) !== false) {
+                $escapedPattern = htmlspecialchars($pattern, ENT_QUOTES, 'UTF-8');
+                $line = str_replace($escapedPattern, '<em>' . $escapedPattern . '</em>', $line);
+            }
+        }
+
+        return $line;
+    }
+}
+
+?>

php/app/views/documents/pdf_invoice.ctp

@@ -2,7 +2,7 @@
 // Generate the Invoice PDF by calling the Go service instead of TCPDF.
 
 $goBaseUrl = AppController::getGoBaseUrlOrFail();
-$goEndpoint = $goBaseUrl . '/go/api/pdf/generate-invoice';
+$goEndpoint = $goBaseUrl . '/go/api/pdf/generate-invoice-html';
 
 $outputDir = Configure::read('pdf_directory');
 
@@ -13,6 +13,7 @@ foreach ($document['LineItem'] as $li) {
         'quantity' => $li['quantity'],
         'title' => $li['title'],
         'description' => isset($li['description']) ? $li['description'] : '',
+        'is_html' => true, // Description is always HTML
         'unit_price' => floatval($li['gross_unit_price']),
         'total_price' => floatval($li['gross_price']),
         'net_unit_price' => floatval($li['net_unit_price']),
@@ -27,8 +28,17 @@ foreach ($document['LineItem'] as $li) {
     );
 }
 
+$invoiceNumber = '';
+if (!empty($document['Document']['cmc_reference'])) {
+    $invoiceNumber = $document['Document']['cmc_reference'];
+} elseif (!empty($document['Invoice']['title'])) {
+    // Fallback so the Go service always receives a number-like value
+    $invoiceNumber = $document['Invoice']['title'];
+}
+
 $payload = array(
     'document_id' => intval($document['Document']['id']),
+    'invoice_number' => $invoiceNumber,
     'invoice_title' => $document['Invoice']['title'],
     'customer_name' => $enquiry['Customer']['name'],
     'contact_email' => $enquiry['Contact']['email'],