import type { LicenseSnapshot } from '../license/licenseSnapshot';
import type {
  AssetId,
  EffectsEvent,
  EffectsState,
  GraphNodeId,
  MediaAsset,
  Project,
  ProjectId,
  Scene,
  SceneId,
  VideoPlaybackEvent,
  VideoPlaybackState,
} from '../types';

export const ipcChannels = {
  app: {
    quit: 'app.quit',
    getVersion: 'app.getVersion',
  },
  project: {
    list: 'project.list',
    create: 'project.create',
    open: 'project.open',
    saveNow: 'project.saveNow',
    get: 'project.get',
    updateScene: 'project.updateScene',
    updateConnections: 'project.updateConnections',
    setCurrentScene: 'project.setCurrentScene',
    setCurrentGraphNode: 'project.setCurrentGraphNode',
    importMedia: 'project.importMedia',
    importScenePreview: 'project.importScenePreview',
    clearScenePreview: 'project.clearScenePreview',
    assetFileUrl: 'project.assetFileUrl',
    updateSceneGraphNodePosition: 'project.updateSceneGraphNodePosition',
    addSceneGraphNode: 'project.addSceneGraphNode',
    removeSceneGraphNode: 'project.removeSceneGraphNode',
    addSceneGraphEdge: 'project.addSceneGraphEdge',
    removeSceneGraphEdge: 'project.removeSceneGraphEdge',
    setSceneGraphNodeStart: 'project.setSceneGraphNodeStart',
    deleteScene: 'project.deleteScene',
    rename: 'project.rename',
    importZip: 'project.importZip',
    exportZip: 'project.exportZip',
    deleteProject: 'project.deleteProject',
  },
  windows: {
    openMultiWindow: 'windows.openMultiWindow',
    closeMultiWindow: 'windows.closeMultiWindow',
    togglePresentationFullscreen: 'windows.togglePresentationFullscreen',
  },
  session: {
    stateChanged: 'session.stateChanged',
  },
  effects: {
    getState: 'effects.getState',
    dispatch: 'effects.dispatch',
    stateChanged: 'effects.stateChanged',
  },
  video: {
    getState: 'video.getState',
    dispatch: 'video.dispatch',
    stateChanged: 'video.stateChanged',
  },
  license: {
    getStatus: 'license.getStatus',
    setToken: 'license.setToken',
    clearToken: 'license.clearToken',
    acceptEula: 'license.acceptEula',
    statusChanged: 'license.statusChanged',
  },
} as const;

export type IpcInvokeMap = {
  [ipcChannels.app.quit]: {
    req: Record<string, never>;
    res: { ok: true };
  };
  [ipcChannels.app.getVersion]: {
    req: Record<string, never>;
    res: { version: string; buildNumber: string | null };
  };
  [ipcChannels.project.list]: {
    req: Record<string, never>;
    res: { projects: { id: ProjectId; name: string; updatedAt: string; fileName: string }[] };
  };
  [ipcChannels.project.create]: {
    req: { name: string };
    res: { project: Project };
  };
  [ipcChannels.project.open]: {
    req: { projectId: ProjectId };
    res: { project: Project };
  };
  [ipcChannels.project.get]: {
    req: Record<string, never>;
    res: { project: Project | null };
  };
  [ipcChannels.project.saveNow]: {
    req: Record<string, never>;
    res: { ok: true };
  };
  [ipcChannels.project.updateScene]: {
    req: { sceneId: SceneId; patch: ScenePatch };
    res: { scene: Scene };
  };
  [ipcChannels.project.updateConnections]: {
    req: { sceneId: SceneId; connections: SceneId[] };
    res: { scene: Scene };
  };
  [ipcChannels.project.setCurrentScene]: {
    req: { sceneId: SceneId | null };
    res: { currentSceneId: SceneId | null };
  };
  [ipcChannels.project.setCurrentGraphNode]: {
    req: { graphNodeId: GraphNodeId | null };
    res: { currentGraphNodeId: GraphNodeId | null; currentSceneId: SceneId | null };
  };
  [ipcChannels.project.importMedia]: {
    req: { sceneId: SceneId };
    res: { project: Project; imported: MediaAsset[] };
  };
  [ipcChannels.project.importScenePreview]: {
    req: { sceneId: SceneId };
    res: { project: Project };
  };
  [ipcChannels.project.clearScenePreview]: {
    req: { sceneId: SceneId };
    res: { project: Project };
  };
  [ipcChannels.project.assetFileUrl]: {
    req: { assetId: AssetId };
    res: { url: string | null };
  };
  [ipcChannels.project.updateSceneGraphNodePosition]: {
    req: { nodeId: GraphNodeId; x: number; y: number };
    res: { project: Project };
  };
  [ipcChannels.project.addSceneGraphNode]: {
    req: { sceneId: SceneId; x: number; y: number };
    res: { project: Project };
  };
  [ipcChannels.project.removeSceneGraphNode]: {
    req: { nodeId: GraphNodeId };
    res: { project: Project };
  };
  [ipcChannels.project.addSceneGraphEdge]: {
    req: { sourceGraphNodeId: GraphNodeId; targetGraphNodeId: GraphNodeId };
    res: { project: Project };
  };
  [ipcChannels.project.removeSceneGraphEdge]: {
    req: { edgeId: string };
    res: { project: Project };
  };
  [ipcChannels.project.setSceneGraphNodeStart]: {
    req: { graphNodeId: GraphNodeId | null };
    res: { project: Project };
  };
  [ipcChannels.project.deleteScene]: {
    req: { sceneId: SceneId };
    res: { project: Project };
  };
  [ipcChannels.project.rename]: {
    req: { name: string; fileBaseName: string };
    res: { project: Project };
  };
  [ipcChannels.project.importZip]: {
    req: Record<string, never>;
    res: { canceled: true } | { canceled: false; project: Project };
  };
  [ipcChannels.project.exportZip]: {
    req: { projectId: ProjectId };
    res: { canceled: true } | { canceled: false };
  };
  [ipcChannels.project.deleteProject]: {
    req: { projectId: ProjectId };
    res: { ok: true };
  };
  [ipcChannels.windows.openMultiWindow]: {
    req: Record<string, never>;
    res: { ok: true };
  };
  [ipcChannels.windows.closeMultiWindow]: {
    req: Record<string, never>;
    res: { ok: true };
  };
  [ipcChannels.windows.togglePresentationFullscreen]: {
    req: Record<string, never>;
    res: { ok: true; isFullScreen: boolean };
  };
  [ipcChannels.effects.getState]: {
    req: Record<string, never>;
    res: { state: EffectsState };
  };
  [ipcChannels.effects.dispatch]: {
    req: { event: EffectsEvent };
    res: { ok: true };
  };
  [ipcChannels.video.getState]: {
    req: Record<string, never>;
    res: { state: VideoPlaybackState };
  };
  [ipcChannels.video.dispatch]: {
    req: { event: VideoPlaybackEvent };
    res: { ok: true };
  };
  [ipcChannels.license.getStatus]: {
    req: Record<string, never>;
    res: LicenseSnapshot;
  };
  [ipcChannels.license.setToken]: {
    req: { token: string };
    res: LicenseSnapshot;
  };
  [ipcChannels.license.clearToken]: {
    req: Record<string, never>;
    res: LicenseSnapshot;
  };
  [ipcChannels.license.acceptEula]: {
    req: { version: number };
    res: { ok: true };
  };
};

export type SessionState = {
  project: Project | null;
  currentSceneId: SceneId | null;
};

export type IpcEventMap = {
  [ipcChannels.session.stateChanged]: { state: SessionState };
  [ipcChannels.effects.stateChanged]: { state: EffectsState };
  [ipcChannels.video.stateChanged]: { state: VideoPlaybackState };
  [ipcChannels.license.statusChanged]: Record<string, never>;
};

export type ScenePatch = {
  title?: string;
  description?: string;
  previewAssetId?: AssetId | null;
  previewAssetType?: 'image' | 'video' | null;
  previewVideoAutostart?: boolean;
  previewRotationDeg?: 0 | 90 | 180 | 270;
  settings?: Partial<Scene['settings']>;
  media?: Partial<Scene['media']>;
  layout?: Partial<Scene['layout']>;
};