package ui

import "testing"

// A real (trimmed) `dumpsys media_session` capture, taken while Spotify was
// playing the track the recipe asked for. Note the transport button on screen
// still read "Play".
const mediaSessionDump = `MEDIA SESSION SERVICE (dumpsys media_session)

  12 sessions listeners:
    1: com.spotify.music/SpotifySession/1 (userId=0)
      package=com.spotify.music
      launchIntent=null
      active=true
      flags=3
      rating type=2
      controllers: 12
      state=PlaybackState {state=PLAYING(3), position=606, buffered position=0, speed=1.0, updated=1207066569, actions=3025843, custom actions=[Action:mName='Start radio, mIcon=2131233633, mExtras=Bundle[mParcelledData.dataSize=144]], active item id=18, error=null}
      audioAttrs=AudioAttributes: usage=USAGE_MEDIA content=CONTENT_TYPE_UNKNOWN flags=0x800(FLAG_MUTE_HAPTIC)
      volumeType=LOCAL, controlType=ABSOLUTE, max=0, current=0
      metadata: size=18, description=Honky Tonk Women, The Rolling Stones, Honky Tonk Women / You Can't Always Get What You Want
      queueTitle=Play Queue, size=50
    2: org.kde.kdeconnect_tp.media_session org.kde.kdeconnect_tp/org.kde.kdeconnect_tp.media_session/630 (userId=0)
      package=org.kde.kdeconnect_tp
      active=false
      state=PlaybackState {state=PAUSED(2), position=881, buffered position=0, speed=0.0, updated=1206521908, actions=260, custom actions=[], active item id=-1, error=null}
      metadata: size=0, description=, ,
`

func TestPlaybackStateReadsTheRightSession(t *testing.T) {
	got := parsePlayback(mediaSessionDump, "com.spotify.music")
	if got == nil || !got.Playing() {
		t.Fatalf("spotify playback = %+v", got)
	}
	if got.Title != "Honky Tonk Women, The Rolling Stones, Honky Tonk Women / You Can't Always Get What You Want" {
		t.Fatalf("title = %q", got.Title)
	}

	// The block is delimited by its package line: Spotify's state must not leak
	// into another package and vice versa.
	other := parsePlayback(mediaSessionDump, "org.kde.kdeconnect_tp")
	if other.Playing() {
		t.Fatalf("kdeconnect playback = %+v, want paused", other)
	}
	if other.Title != ", ," && other.Title != "" {
		t.Fatalf("kdeconnect title = %q", other.Title)
	}

	missing := parsePlayback(mediaSessionDump, "com.example.absent")
	if missing.Playing() || missing.State != "NONE" {
		t.Fatalf("missing package = %+v, want state NONE", missing)
	}
}

func TestMatchesText(t *testing.T) {
	const meta = "Honky Tonk Women, The Rolling Stones, Honky Tonk Women / You Can't Always Get What You Want"
	if matched, total := MatchesText(meta, "Rolling Stones Honky Tonk"); matched != 4 || total != 4 {
		t.Fatalf("matched %d/%d, want 4/4", matched, total)
	}
	if matched, _ := MatchesText(meta, "Chopin Nocturne"); matched != 0 {
		t.Fatalf("matched %d for an unrelated query, want 0", matched)
	}
	if _, total := MatchesText(meta, ""); total != 0 {
		t.Fatalf("empty query should have no words, got %d", total)
	}
}

func TestPlaybackString(t *testing.T) {
	p := &Playback{Package: "com.spotify.music", State: "PLAYING", Title: "Honky Tonk Women"}
	if s := p.String(); s != `state=PLAYING, playing "Honky Tonk Women"` {
		t.Fatalf("String() = %q", s)
	}
	var nilSession *Playback
	if s := nilSession.String(); s != "no media session" {
		t.Fatalf("nil String() = %q", s)
	}
}