import { globalShortcut } from 'electron';
import { ConfiguredShortcuts } from '../utils/shortcut-config';
import { isGlobalShortcutRegisteredSafe } from './shortcut-fallback';
import { createLogger } from '../../logger';

const logger = createLogger('main:overlay-shortcut-service');

export interface OverlayShortcutHandlers {
  copySubtitle: () => void;
  copySubtitleMultiple: (timeoutMs: number) => void;
  updateLastCardFromClipboard: () => void;
  triggerFieldGrouping: () => void;
  triggerSubsync: () => void;
  mineSentence: () => void;
  mineSentenceMultiple: (timeoutMs: number) => void;
  toggleSecondarySub: () => void;
  markAudioCard: () => void;
  openRuntimeOptions: () => void;
  openJimaku: () => void;
}

export interface OverlayShortcutLifecycleDeps {
  getConfiguredShortcuts: () => ConfiguredShortcuts;
  getOverlayHandlers: () => OverlayShortcutHandlers;
  cancelPendingMultiCopy: () => void;
  cancelPendingMineSentenceMultiple: () => void;
}

export function registerOverlayShortcuts(
  shortcuts: ConfiguredShortcuts,
  handlers: OverlayShortcutHandlers,
): boolean {
  let registeredAny = false;
  const registerOverlayShortcut = (
    accelerator: string,
    handler: () => void,
    label: string,
  ): void => {
    if (isGlobalShortcutRegisteredSafe(accelerator)) {
      registeredAny = true;
      return;
    }
    const ok = globalShortcut.register(accelerator, handler);
    if (!ok) {
      logger.warn(`Failed to register overlay shortcut ${label}: ${accelerator}`);
      return;
    }
    registeredAny = true;
  };

  if (shortcuts.copySubtitleMultiple) {
    registerOverlayShortcut(
      shortcuts.copySubtitleMultiple,
      () => handlers.copySubtitleMultiple(shortcuts.multiCopyTimeoutMs),
      'copySubtitleMultiple',
    );
  }

  if (shortcuts.copySubtitle) {
    registerOverlayShortcut(shortcuts.copySubtitle, () => handlers.copySubtitle(), 'copySubtitle');
  }

  if (shortcuts.triggerFieldGrouping) {
    registerOverlayShortcut(
      shortcuts.triggerFieldGrouping,
      () => handlers.triggerFieldGrouping(),
      'triggerFieldGrouping',
    );
  }

  if (shortcuts.triggerSubsync) {
    registerOverlayShortcut(
      shortcuts.triggerSubsync,
      () => handlers.triggerSubsync(),
      'triggerSubsync',
    );
  }

  if (shortcuts.mineSentence) {
    registerOverlayShortcut(shortcuts.mineSentence, () => handlers.mineSentence(), 'mineSentence');
  }

  if (shortcuts.mineSentenceMultiple) {
    registerOverlayShortcut(
      shortcuts.mineSentenceMultiple,
      () => handlers.mineSentenceMultiple(shortcuts.multiCopyTimeoutMs),
      'mineSentenceMultiple',
    );
  }

  if (shortcuts.toggleSecondarySub) {
    registerOverlayShortcut(
      shortcuts.toggleSecondarySub,
      () => handlers.toggleSecondarySub(),
      'toggleSecondarySub',
    );
  }

  if (shortcuts.updateLastCardFromClipboard) {
    registerOverlayShortcut(
      shortcuts.updateLastCardFromClipboard,
      () => handlers.updateLastCardFromClipboard(),
      'updateLastCardFromClipboard',
    );
  }

  if (shortcuts.markAudioCard) {
    registerOverlayShortcut(
      shortcuts.markAudioCard,
      () => handlers.markAudioCard(),
      'markAudioCard',
    );
  }

  if (shortcuts.openRuntimeOptions) {
    registerOverlayShortcut(
      shortcuts.openRuntimeOptions,
      () => handlers.openRuntimeOptions(),
      'openRuntimeOptions',
    );
  }
  if (shortcuts.openJimaku) {
    registerOverlayShortcut(shortcuts.openJimaku, () => handlers.openJimaku(), 'openJimaku');
  }

  return registeredAny;
}

export function unregisterOverlayShortcuts(shortcuts: ConfiguredShortcuts): void {
  if (shortcuts.copySubtitle) {
    globalShortcut.unregister(shortcuts.copySubtitle);
  }
  if (shortcuts.copySubtitleMultiple) {
    globalShortcut.unregister(shortcuts.copySubtitleMultiple);
  }
  if (shortcuts.updateLastCardFromClipboard) {
    globalShortcut.unregister(shortcuts.updateLastCardFromClipboard);
  }
  if (shortcuts.triggerFieldGrouping) {
    globalShortcut.unregister(shortcuts.triggerFieldGrouping);
  }
  if (shortcuts.triggerSubsync) {
    globalShortcut.unregister(shortcuts.triggerSubsync);
  }
  if (shortcuts.mineSentence) {
    globalShortcut.unregister(shortcuts.mineSentence);
  }
  if (shortcuts.mineSentenceMultiple) {
    globalShortcut.unregister(shortcuts.mineSentenceMultiple);
  }
  if (shortcuts.toggleSecondarySub) {
    globalShortcut.unregister(shortcuts.toggleSecondarySub);
  }
  if (shortcuts.markAudioCard) {
    globalShortcut.unregister(shortcuts.markAudioCard);
  }
  if (shortcuts.openRuntimeOptions) {
    globalShortcut.unregister(shortcuts.openRuntimeOptions);
  }
  if (shortcuts.openJimaku) {
    globalShortcut.unregister(shortcuts.openJimaku);
  }
}

export function registerOverlayShortcutsRuntime(deps: OverlayShortcutLifecycleDeps): boolean {
  return registerOverlayShortcuts(deps.getConfiguredShortcuts(), deps.getOverlayHandlers());
}

export function unregisterOverlayShortcutsRuntime(
  shortcutsRegistered: boolean,
  deps: OverlayShortcutLifecycleDeps,
): boolean {
  if (!shortcutsRegistered) return shortcutsRegistered;
  deps.cancelPendingMultiCopy();
  deps.cancelPendingMineSentenceMultiple();
  unregisterOverlayShortcuts(deps.getConfiguredShortcuts());
  return false;
}

export function syncOverlayShortcutsRuntime(
  shouldBeActive: boolean,
  shortcutsRegistered: boolean,
  deps: OverlayShortcutLifecycleDeps,
): boolean {
  if (shouldBeActive) {
    return registerOverlayShortcutsRuntime(deps);
  }
  return unregisterOverlayShortcutsRuntime(shortcutsRegistered, deps);
}

export function refreshOverlayShortcutsRuntime(
  shouldBeActive: boolean,
  shortcutsRegistered: boolean,
  deps: OverlayShortcutLifecycleDeps,
): boolean {
  const cleared = unregisterOverlayShortcutsRuntime(shortcutsRegistered, deps);
  return syncOverlayShortcutsRuntime(shouldBeActive, cleared, deps);
}