import assert from 'node:assert/strict';
import test from 'node:test';
import { createBuildBindMpvMainEventHandlersMainDepsHandler } from './mpv-main-event-main-deps';

test('mpv main event main deps map app state updates and delegate callbacks', async () => {
  const calls: string[] = [];
  const appState = {
    initialArgs: { jellyfinPlay: true },
    overlayRuntimeInitialized: true,
    mpvClient: {
      connected: true,
      currentSecondarySubText: 'secondary',
      currentTimePos: 12.25,
      requestProperty: async () => 18.75,
    },
    immersionTracker: {
      recordSubtitleLine: (text: string) => calls.push(`immersion-sub:${text}`),
      handleMediaTitleUpdate: (title: string) => calls.push(`immersion-title:${title}`),
      recordPlaybackPosition: (time: number) => calls.push(`immersion-time:${time}`),
      recordMediaDuration: (durationSec: number) => calls.push(`immersion-duration:${durationSec}`),
      recordPauseState: (paused: boolean) => calls.push(`immersion-pause:${paused}`),
    },
    subtitleTimingTracker: {
      recordSubtitle: (text: string, _start: number, _end: number, secondaryText?: string) =>
        calls.push(`timing:${text}:${secondaryText ?? ''}`),
    },
    currentSubText: '',
    currentSubAssText: '',
    playbackPaused: null,
    previousSecondarySubVisibility: false,
  };

  const deps = createBuildBindMpvMainEventHandlersMainDepsHandler({
    appState,
    getQuitOnDisconnectArmed: () => true,
    scheduleQuitCheck: (callback) => {
      calls.push('schedule');
      callback();
    },
    quitApp: () => calls.push('quit'),
    reportJellyfinRemoteStopped: () => calls.push('remote-stopped'),
    syncOverlayMpvSubtitleSuppression: () => calls.push('sync-overlay-mpv-sub'),
    maybeRunAnilistPostWatchUpdate: async () => {
      calls.push('anilist-post-watch');
    },
    recordAnilistMediaDuration: (durationSec) => calls.push(`anilist-duration:${durationSec}`),
    logSubtitleTimingError: (message) => calls.push(`subtitle-error:${message}`),
    broadcastToOverlayWindows: (channel, payload) =>
      calls.push(`broadcast:${channel}:${String(payload)}`),
    onSubtitleChange: (text) => calls.push(`subtitle-change:${text}`),
    ensureImmersionTrackerInitialized: () => calls.push('ensure-immersion'),
    updateCurrentMediaPath: (path) => calls.push(`path:${path}`),
    restoreMpvSubVisibility: () => calls.push('restore-mpv-sub'),
    resetSubtitleSidebarEmbeddedLayout: () => calls.push('reset-sidebar-layout'),
    getCurrentAnilistMediaKey: () => 'media-key',
    resetAnilistMediaTracking: (mediaKey) => calls.push(`reset:${mediaKey}`),
    maybeProbeAnilistDuration: (mediaKey) => calls.push(`probe:${mediaKey}`),
    ensureAnilistMediaGuess: (mediaKey) => calls.push(`guess:${mediaKey}`),
    syncImmersionMediaState: () => calls.push('sync-immersion'),
    signalAutoplayReadyIfWarm: (path) => calls.push(`autoplay:${path}`),
    updateCurrentMediaTitle: (title) => calls.push(`title:${title}`),
    resetAnilistMediaGuessState: () => calls.push('reset-guess'),
    reportJellyfinRemoteProgress: (forceImmediate) => calls.push(`progress:${forceImmediate}`),
    onFullscreenChange: (fullscreen) => calls.push(`fullscreen:${fullscreen}`),
    updateSubtitleRenderMetrics: () => calls.push('metrics'),
    refreshDiscordPresence: () => calls.push('presence-refresh'),
  })();

  assert.equal(deps.hasInitialPlaybackQuitOnDisconnectArg(), true);
  assert.equal(deps.isOverlayRuntimeInitialized(), true);
  assert.equal(deps.isQuitOnDisconnectArmed(), true);
  assert.equal(deps.isMpvConnected(), true);
  deps.scheduleQuitCheck(() => calls.push('scheduled-callback'));
  deps.quitApp();
  deps.reportJellyfinRemoteStopped();
  deps.syncOverlayMpvSubtitleSuppression();
  deps.recordImmersionSubtitleLine('x', 0, 1);
  assert.equal(deps.hasSubtitleTimingTracker(), true);
  deps.recordSubtitleTiming('y', 0, 1);
  await deps.maybeRunAnilistPostWatchUpdate();
  deps.logSubtitleTimingError('err', new Error('boom'));
  deps.setCurrentSubText('sub');
  deps.broadcastSubtitle({ text: 'sub', tokens: null });
  deps.onSubtitleChange('sub');
  deps.refreshDiscordPresence();
  deps.setCurrentSubAssText('ass');
  deps.broadcastSubtitleAss('ass');
  deps.broadcastSecondarySubtitle('sec');
  deps.updateCurrentMediaPath('/tmp/video');
  deps.restoreMpvSubVisibility();
  deps.resetSubtitleSidebarEmbeddedLayout();
  assert.equal(deps.getCurrentAnilistMediaKey(), 'media-key');
  deps.resetAnilistMediaTracking('media-key');
  deps.maybeProbeAnilistDuration('media-key');
  deps.ensureAnilistMediaGuess('media-key');
  deps.syncImmersionMediaState();
  deps.signalAutoplayReadyIfWarm?.('/tmp/video');
  deps.updateCurrentMediaTitle('title');
  deps.resetAnilistMediaGuessState();
  deps.notifyImmersionTitleUpdate('title');
  deps.recordPlaybackPosition(10);
  deps.recordMediaDuration(1234);
  deps.reportJellyfinRemoteProgress(true);
  deps.onFullscreenChange?.(true);
  deps.recordPauseState(true);
  deps.updateSubtitleRenderMetrics({});
  deps.setPreviousSecondarySubVisibility(true);
  deps.flushPlaybackPositionOnMediaPathClear?.('');
  await Promise.resolve();

  assert.equal(appState.currentSubText, 'sub');
  assert.equal(appState.currentSubAssText, 'ass');
  assert.equal(appState.playbackPaused, true);
  assert.equal(appState.previousSecondarySubVisibility, true);
  assert.ok(calls.includes('remote-stopped'));
  assert.ok(calls.includes('sync-overlay-mpv-sub'));
  assert.ok(calls.includes('anilist-post-watch'));
  assert.ok(calls.includes('timing:y:secondary'));
  assert.ok(calls.includes('ensure-immersion'));
  assert.ok(calls.includes('sync-immersion'));
  assert.ok(calls.includes('autoplay:/tmp/video'));
  assert.ok(calls.includes('metrics'));
  assert.ok(calls.includes('fullscreen:true'));
  assert.ok(calls.includes('presence-refresh'));
  assert.ok(calls.includes('restore-mpv-sub'));
  assert.ok(calls.includes('reset-sidebar-layout'));
  assert.ok(calls.includes('immersion-duration:1234'));
  assert.ok(calls.includes('anilist-duration:1234'));
});

test('mpv main event main deps wire subtitle callbacks without suppression gate', () => {
  const deps = createBuildBindMpvMainEventHandlersMainDepsHandler({
    appState: {
      initialArgs: null,
      overlayRuntimeInitialized: true,
      mpvClient: null,
      immersionTracker: null,
      subtitleTimingTracker: null,
      currentSubText: '',
      currentSubAssText: '',
      playbackPaused: null,
      previousSecondarySubVisibility: false,
    },
    getQuitOnDisconnectArmed: () => false,
    scheduleQuitCheck: () => {},
    quitApp: () => {},
    reportJellyfinRemoteStopped: () => {},
    syncOverlayMpvSubtitleSuppression: () => {},
    maybeRunAnilistPostWatchUpdate: async () => {},
    logSubtitleTimingError: () => {},
    broadcastToOverlayWindows: () => {},
    onSubtitleChange: () => {},
    ensureImmersionTrackerInitialized: () => {},
    updateCurrentMediaPath: () => {},
    restoreMpvSubVisibility: () => {},
    resetSubtitleSidebarEmbeddedLayout: () => {},
    getCurrentAnilistMediaKey: () => null,
    resetAnilistMediaTracking: () => {},
    maybeProbeAnilistDuration: () => {},
    ensureAnilistMediaGuess: () => {},
    syncImmersionMediaState: () => {},
    updateCurrentMediaTitle: () => {},
    resetAnilistMediaGuessState: () => {},
    reportJellyfinRemoteProgress: () => {},
    updateSubtitleRenderMetrics: () => {},
    refreshDiscordPresence: () => {},
  })();

  deps.setCurrentSubText('sub');
  assert.equal(typeof deps.setCurrentSubText, 'function');
});

test('mpv main event main deps treat managed playback as quit-on-disconnect', () => {
  const deps = createBuildBindMpvMainEventHandlersMainDepsHandler({
    appState: {
      initialArgs: { managedPlayback: true },
      overlayRuntimeInitialized: false,
      mpvClient: null,
      immersionTracker: null,
      subtitleTimingTracker: null,
      currentSubText: '',
      currentSubAssText: '',
      playbackPaused: null,
      previousSecondarySubVisibility: false,
    },
    getQuitOnDisconnectArmed: () => true,
    scheduleQuitCheck: () => {},
    quitApp: () => {},
    reportJellyfinRemoteStopped: () => {},
    syncOverlayMpvSubtitleSuppression: () => {},
    maybeRunAnilistPostWatchUpdate: async () => {},
    logSubtitleTimingError: () => {},
    broadcastToOverlayWindows: () => {},
    onSubtitleChange: () => {},
    ensureImmersionTrackerInitialized: () => {},
    updateCurrentMediaPath: () => {},
    restoreMpvSubVisibility: () => {},
    resetSubtitleSidebarEmbeddedLayout: () => {},
    getCurrentAnilistMediaKey: () => null,
    resetAnilistMediaTracking: () => {},
    maybeProbeAnilistDuration: () => {},
    ensureAnilistMediaGuess: () => {},
    syncImmersionMediaState: () => {},
    updateCurrentMediaTitle: () => {},
    resetAnilistMediaGuessState: () => {},
    reportJellyfinRemoteProgress: () => {},
    updateSubtitleRenderMetrics: () => {},
    refreshDiscordPresence: () => {},
  })();

  assert.equal(deps.hasInitialPlaybackQuitOnDisconnectArg(), true);
  assert.equal(deps.shouldQuitOnDisconnectWhenOverlayRuntimeInitialized(), true);
});

test('flushPlaybackPositionOnMediaPathClear ignores disconnected mpv time-pos reads', async () => {
  const recorded: number[] = [];
  const deps = createBuildBindMpvMainEventHandlersMainDepsHandler({
    appState: {
      initialArgs: null,
      overlayRuntimeInitialized: true,
      mpvClient: {
        connected: false,
        currentTimePos: 42,
        requestProperty: async () => {
          throw new Error('disconnected');
        },
      },
      immersionTracker: {
        recordPlaybackPosition: (time: number) => {
          recorded.push(time);
        },
      },
      subtitleTimingTracker: null,
      currentMediaPath: '',
      currentSubText: '',
      currentSubAssText: '',
      playbackPaused: null,
      previousSecondarySubVisibility: false,
    },
    getQuitOnDisconnectArmed: () => false,
    scheduleQuitCheck: () => {},
    quitApp: () => {},
    reportJellyfinRemoteStopped: () => {},
    syncOverlayMpvSubtitleSuppression: () => {},
    maybeRunAnilistPostWatchUpdate: async () => {},
    logSubtitleTimingError: () => {},
    broadcastToOverlayWindows: () => {},
    onSubtitleChange: () => {},
    ensureImmersionTrackerInitialized: () => {},
    updateCurrentMediaPath: () => {},
    restoreMpvSubVisibility: () => {},
    resetSubtitleSidebarEmbeddedLayout: () => {},
    getCurrentAnilistMediaKey: () => null,
    resetAnilistMediaTracking: () => {},
    maybeProbeAnilistDuration: () => {},
    ensureAnilistMediaGuess: () => {},
    syncImmersionMediaState: () => {},
    updateCurrentMediaTitle: () => {},
    resetAnilistMediaGuessState: () => {},
    reportJellyfinRemoteProgress: () => {},
    updateSubtitleRenderMetrics: () => {},
    refreshDiscordPresence: () => {},
  })();

  deps.flushPlaybackPositionOnMediaPathClear?.('');
  await Promise.resolve();

  assert.deepEqual(recorded, [42]);
});

test('media and subtitle-track transitions reset live subtitle-line deduplication', () => {
  const recordedStarts: number[] = [];
  const handlers = createBuildBindMpvMainEventHandlersMainDepsHandler({
    appState: {
      initialArgs: null,
      overlayRuntimeInitialized: true,
      mpvClient: null,
      immersionTracker: {
        recordSubtitleLine: (_text: string, start: number) => recordedStarts.push(start),
      },
      subtitleTimingTracker: null,
      activeParsedSubtitleCues: null,
      currentMediaPath: '/video-a.mkv',
      currentSubText: '',
      currentSubAssText: '',
      playbackPaused: null,
      previousSecondarySubVisibility: false,
    },
    getQuitOnDisconnectArmed: () => false,
    scheduleQuitCheck: () => {},
    quitApp: () => {},
    reportJellyfinRemoteStopped: () => {},
    syncOverlayMpvSubtitleSuppression: () => {},
    maybeRunAnilistPostWatchUpdate: async () => {},
    logSubtitleTimingError: () => {},
    broadcastToOverlayWindows: () => {},
    onSubtitleChange: () => {},
    ensureImmersionTrackerInitialized: () => {},
    updateCurrentMediaPath: () => {},
    restoreMpvSubVisibility: () => {},
    resetSubtitleSidebarEmbeddedLayout: () => {},
    getCurrentAnilistMediaKey: () => null,
    resetAnilistMediaTracking: () => {},
    maybeProbeAnilistDuration: () => {},
    ensureAnilistMediaGuess: () => {},
    syncImmersionMediaState: () => {},
    updateCurrentMediaTitle: () => {},
    resetAnilistMediaGuessState: () => {},
    reportJellyfinRemoteProgress: () => {},
    updateSubtitleRenderMetrics: () => {},
    refreshDiscordPresence: () => {},
  })();

  for (let index = 0; index < 8; index += 1) {
    handlers.recordImmersionSubtitleLine('待って', index * 0.04, (index + 1) * 0.04);
  }
  assert.equal(recordedStarts.length, 4);

  handlers.updateCurrentMediaPath('/video-b.mkv');
  handlers.recordImmersionSubtitleLine('待って', 0.32, 0.36);
  assert.equal(recordedStarts.length, 5);

  for (let index = 9; index < 16; index += 1) {
    handlers.recordImmersionSubtitleLine('待って', index * 0.04, (index + 1) * 0.04);
  }
  assert.equal(recordedStarts.length, 8);

  assert.equal(typeof handlers.onSubtitleTrackChange, 'function');
  handlers.onSubtitleTrackChange?.(2);
  handlers.recordImmersionSubtitleLine('待って', 0.64, 0.68);
  assert.equal(recordedStarts.length, 9);
});

test('subtitle-track transitions ignore stale parsed cues until replacement cues arrive', () => {
  const recordedStarts: number[] = [];
  const appState = {
    initialArgs: null,
    overlayRuntimeInitialized: true,
    mpvClient: null,
    immersionTracker: {
      recordSubtitleLine: (_text: string, start: number) => recordedStarts.push(start),
    },
    subtitleTimingTracker: null,
    activeParsedSubtitleCues: [{ startTime: 10, endTime: 14, text: '飛び上がる' }],
    currentMediaPath: '/video-a.mkv',
    currentSubText: '',
    currentSubAssText: '',
    playbackPaused: null,
    previousSecondarySubVisibility: false,
  };
  const handlers = createBuildBindMpvMainEventHandlersMainDepsHandler({
    appState,
    getQuitOnDisconnectArmed: () => false,
    scheduleQuitCheck: () => {},
    quitApp: () => {},
    reportJellyfinRemoteStopped: () => {},
    syncOverlayMpvSubtitleSuppression: () => {},
    maybeRunAnilistPostWatchUpdate: async () => {},
    logSubtitleTimingError: () => {},
    broadcastToOverlayWindows: () => {},
    onSubtitleChange: () => {},
    ensureImmersionTrackerInitialized: () => {},
    updateCurrentMediaPath: () => {},
    restoreMpvSubVisibility: () => {},
    resetSubtitleSidebarEmbeddedLayout: () => {},
    getCurrentAnilistMediaKey: () => null,
    resetAnilistMediaTracking: () => {},
    maybeProbeAnilistDuration: () => {},
    ensureAnilistMediaGuess: () => {},
    syncImmersionMediaState: () => {},
    updateCurrentMediaTitle: () => {},
    resetAnilistMediaGuessState: () => {},
    reportJellyfinRemoteProgress: () => {},
    updateSubtitleRenderMetrics: () => {},
    refreshDiscordPresence: () => {},
  })();

  handlers.recordImmersionSubtitleLine('飛び上がる', 10, 10.04);
  handlers.onSubtitleTrackChange?.(2);
  for (let index = 1; index <= 8; index += 1) {
    handlers.recordImmersionSubtitleLine('飛び上がる', 10 + index * 0.04, 10 + (index + 1) * 0.04);
  }
  assert.equal(recordedStarts.length, 5);

  appState.activeParsedSubtitleCues = [{ startTime: 20, endTime: 24, text: '飛び上がる' }];
  handlers.recordImmersionSubtitleLine('飛び上がる', 20, 20.04);
  handlers.recordImmersionSubtitleLine('飛び上がる', 20.04, 20.08);
  assert.deepEqual(recordedStarts.slice(-1), [20]);
});