//go:build never
// +build never
package documents
package documents

import (
    "os"
    "path/filepath"
    "testing"

    "github.com/jung-kurt/gofpdf"
)

func createDummyPDF(path string, title string) error {
    pdf := gofpdf.New("P", "mm", "A4", "")
    pdf.AddPage()
    pdf.SetFont("Helvetica", "", 12)
    pdf.CellFormat(0, 10, title, "", 1, "L", false, 0, "")
    return pdf.OutputFileAndClose(path)
}

func TestFinalizeWithTerms_WhenTermsMissingFallsBack(t *testing.T) {
    dir := t.TempDir()
    tmp := "doc.__tmp__.pdf"
    final := "doc.pdf"

    // Create tmp PDF
    if err := createDummyPDF(filepath.Join(dir, tmp), "tmp"); err != nil {
        t.Fatalf("failed to create tmp pdf: %v", err)
    }

    if err := finalizeWithTerms(dir, tmp, final); err != nil {
        t.Fatalf("finalizeWithTerms error: %v", err)
    }

    if _, err := os.Stat(filepath.Join(dir, final)); err != nil {
        t.Fatalf("final pdf not created: %v", err)
    }
    if _, err := os.Stat(filepath.Join(dir, tmp)); !os.IsNotExist(err) {
        t.Fatalf("tmp pdf should be removed after finalize")
    }
}

func TestFinalizeWithTermsAndExtras_MergesAll(t *testing.T) {
    dir := t.TempDir()
    tmp := "doc.__tmp__.pdf"
    final := "doc.pdf"
    terms := filepath.Join(dir, "CMC_terms_and_conditions2006_A4.pdf")
    extra := filepath.Join(dir, "extra.pdf")

    if err := createDummyPDF(filepath.Join(dir, tmp), "tmp"); err != nil {
        t.Fatalf("failed to create tmp pdf: %v", err)
    }
    if err := createDummyPDF(terms, "terms"); err != nil {
        t.Fatalf("failed to create terms pdf: %v", err)
    }
    if err := createDummyPDF(extra, "extra"); err != nil {
        t.Fatalf("failed to create extra pdf: %v", err)
    }

    if err := finalizeWithTermsAndExtras(dir, tmp, final, []string{extra}); err != nil {
        t.Fatalf("finalizeWithTermsAndExtras error: %v", err)
    }

    st, err := os.Stat(filepath.Join(dir, final))
    if err != nil {
        t.Fatalf("final pdf not created: %v", err)
    }
    if st.Size() <= 0 {
        t.Fatalf("final pdf has zero size")
    }
}