package html_test

import (
	"bytes"
	"strings"
	"testing"

	"github.com/nmoniz/any2anexoj/internal/writing"
	htmlwriter "github.com/nmoniz/any2anexoj/internal/writing/html"
)

// TestWriter_RenderTableFragment renders a Portuguese document and asserts
// the embedded report table fragment carries the shared structure: the
// translated headers, the totals footer, and the strictly proportional
// colgroup that keeps HTML columns in the same relation to each other as
// the terminal layout.
func TestWriter_RenderTableFragment(t *testing.T) {
	aw := buildTestAggregator(t)

	localizer, err := writing.NewLocalizer("pt")
	if err != nil {
		t.Fatalf("failed to create localizer: %v", err)
	}

	var buf bytes.Buffer
	hw := htmlwriter.NewWriter(&buf, localizer, "pt")

	if err := hw.Render(aw); err != nil {
		t.Fatalf("Render returned an error: %v", err)
	}
	got := buf.String()

	wantSubstrings := []string{
		`<table class="table table-striped table-hover table-bordered" style="table-layout: fixed">`,
		`<colgroup>`,
		`</colgroup>`,
		`<col style="width: 3.03%">`,
		`<col style="width: 12.12%">`,
		`</table>`,
		`<thead>`,
		`</thead>`,
		`<tbody>`,
		`</tbody>`,
		`<tfoot>`,
		`</tfoot>`,
		"Realização",
		"Aquisição",
		"Soma",
	}
	for _, s := range wantSubstrings {
		if !strings.Contains(got, s) {
			t.Errorf("rendered document missing expected substring %q\nGot:\n%s", s, got)
		}
	}

	// The fragment must be embedded raw, not HTML-escaped.
	if strings.Contains(got, "&lt;table") {
		t.Errorf("table fragment appears to be HTML-escaped; expected raw <table> markup\nGot:\n%s", got)
	}
}