package render

import (
	"os"
	"testing"

	"beelloo/internal/invoice"
)

func TestRenderHTMLGolden(t *testing.T) {
	file, err := os.Open("../../testdata/sample.md")
	if err != nil {
		t.Fatalf("open sample: %v", err)
	}
	defer file.Close()

	doc, err := invoice.ParseMarkdown(file)
	if err != nil {
		t.Fatalf("ParseMarkdown: %v", err)
	}
	if err := invoice.Validate(&doc); err != nil {
		t.Fatalf("Validate: %v", err)
	}

	html, err := RenderHTML(doc)
	if err != nil {
		t.Fatalf("RenderHTML: %v", err)
	}

	goldenPath := "../../testdata/sample.html"
	golden, err := os.ReadFile(goldenPath)
	if err != nil {
		t.Fatalf("read golden: %v", err)
	}
	if string(golden) != html {
		t.Fatalf("render output did not match golden file")
	}
}