package web

import (
	"strings"
	"testing"
	"time"

	"gitbay.org/cmc/gallery/internal/format"
	"gitbay.org/cmc/gallery/internal/library"
)

func TestExifLineDate(t *testing.T) {
	it := &library.Item{Meta: format.Meta{Camera: "X-T5", Taken: time.Date(2025, 3, 14, 23, 10, 5, 0, time.UTC)}}
	if got, want := exifLine(it), "X-T5 · 2025-03-14"; got != want {
		t.Fatalf("exifLine = %q, want %q", got, want)
	}
}

func TestExifLineNoDate(t *testing.T) {
	it := &library.Item{Meta: format.Meta{Camera: "X-T5"}}
	if got, want := exifLine(it), "X-T5"; got != want {
		t.Fatalf("exifLine = %q, want %q", got, want)
	}
}

func TestSrcsetStopsAtExactSourceWidth(t *testing.T) {
	it := &library.Item{Album: "tokyo", Name: "a.jpg", Meta: format.Meta{Width: 960}}
	got := srcset(it)
	if n := strings.Count(got, "960w"); n != 1 {
		t.Fatalf("srcset = %q, want exactly one 960w entry, got %d", got, n)
	}
	if n := strings.Count(got, ", "); n != 1 {
		t.Fatalf("srcset = %q, want exactly two entries", got)
	}
}