package meta

import "testing"

func TestSuggestFromSamplesUsesDominantLayoutWithoutRegexes(t *testing.T) {
	samples := []TemplateSample{
		{RelPath: "Кино/Группа крови (1988)/01. Группа крови.flac", Input: in(Fields{Artist: "Кино", Album: "Группа крови", Title: "Группа крови", Year: "1988", Track: "1"}, 1, "flac")},
		{RelPath: "Кино/Группа крови (1988)/02. Закрой за мной дверь.flac", Input: in(Fields{Artist: "Кино", Album: "Группа крови", Title: "Закрой за мной дверь", Year: "1988", Track: "2"}, 1, "flac")},
		{RelPath: "Queen/Jazz (1978)/03. Jealousy.mp3", Input: in(Fields{Artist: "Queen", Album: "Jazz", Title: "Jealousy", Year: "1978", Track: "3"}, 1, "mp3")},
		{RelPath: "Other - Song.flac", Input: in(Fields{Artist: "Other", Album: "Single", Title: "Song"}, 1, "flac")},
	}
	got, err := SuggestFromSamples(nil, samples)
	if err != nil || got.Template != "{albumartist}/{album} ({year})/{track:02}. {title}.{ext}" || got.Matched != 3 || got.Total != 4 || len(got.Examples) != 3 {
		t.Fatalf("suggestion = %+v, err = %v", got, err)
	}
}

func TestSuggestFromSamplesDoesNotGuessWithoutMetadata(t *testing.T) {
	if _, err := SuggestFromSamples(nil, []TemplateSample{{RelPath: "unknown/file.flac"}}); err == nil {
		t.Fatal("cannot infer a safe layout without matching metadata")
	}
}