package tracks

import (
	"testing"

	"git.fabledsword.com/bvandeusen/minstrel/internal/library"
)

func mbids(track, album string) library.MergedCopy {
	c := library.MergedCopy{}
	if track != "" {
		c.TrackMbid = &track
	}
	if album != "" {
		c.AlbumMbid = &album
	}
	return c
}

// Unmonitoring a second file of the kept copy's own album track would stop
// Lidarr managing the kept file too; that case must be recognised.
func TestSameLidarrTrack(t *testing.T) {
	for _, tc := range []struct {
		name     string
		kept     library.MergedCopy
		removed  library.MergedCopy
		wantSame bool
	}{
		{"same recording on the same album", mbids("rec", "alb"), mbids("rec", "alb"), true},
		{"same recording on a compilation", mbids("rec", "alb"), mbids("rec", "comp"), false},
		{"different recordings on one album", mbids("rec", "alb"), mbids("rec-2", "alb"), false},
		{"kept copy has no mbids", mbids("", ""), mbids("rec", "alb"), false},
		{"removed copy has no album mbid", mbids("rec", "alb"), mbids("rec", ""), false},
	} {
		if got := sameLidarrTrack(tc.kept, tc.removed); got != tc.wantSame {
			t.Errorf("%s: sameLidarrTrack = %v, want %v", tc.name, got, tc.wantSame)
		}
	}
}