import { app, dialog, globalShortcut, ipcMain } from 'electron';
import match from '@unblockneteasemusic/server';
import { registerGlobalShortcut } from '@/electron/globalShortcut';
import cloneDeep from 'lodash/cloneDeep';
import shortcuts from '@/utils/shortcuts';
import { createMenu } from './menu';

const clc = require('cli-color');
const log = text => {
  console.log(`${clc.blueBright('[ipcMain.js]')} ${text}`);
};

const client = require('discord-rich-presence')('818936529484906596');

/**
 * Make data a Buffer.
 *
 * @param {?} data The data to convert.
 * @returns {import("buffer").Buffer} The converted data.
 */
function toBuffer(data) {
  if (data instanceof Buffer) {
    return data;
  } else {
    return Buffer.from(data);
  }
}

/**
 * Get the file URI from bilivideo.
 *
 * @param {string} url The URL to fetch.
 * @returns {Promise<string>} The file URI.
 */
async function getBiliVideoFile(url) {
  const axios = await import('axios').then(m => m.default);
  const response = await axios.get(url, {
    headers: {
      Referer: 'https://www.bilibili.com/',
      'User-Agent': 'okhttp/3.4.1',
    },
    responseType: 'arraybuffer',
  });

  const buffer = toBuffer(response.data);
  const encodedData = buffer.toString('base64');

  return `data:application/octet-stream;base64,${encodedData}`;
}

/**
 * Parse the source string (`a, b`) to source list `['a', 'b']`.
 *
 * @param {string} sourceString The source string.
 * @returns {string[]} The source list.
 */
function parseSourceStringToList(sourceString) {
  return sourceString.split(',').map(s => s.trim());
}

export function initIpcMain(win, store) {
  ipcMain.handle('unblock-music', async (_, track, source) => {
    // 兼容 unblockneteasemusic 所使用的 api 字段
    track.alias = track.alia || [];
    track.duration = track.dt || 0;
    track.album = track.al || [];
    track.artists = track.ar || [];

    const timeoutPromise = new Promise((_, reject) => {
      setTimeout(() => {
        reject('timeout');
      }, 5000);
    });

    const sourceList =
      typeof source === 'string' ? parseSourceStringToList(source) : null;
    log(`[UNM] using source: ${sourceList || '<default>'}`);

    try {
      const matchedAudio = await Promise.race([
        // TODO: tell users to install yt-dlp.
        // we passed "null" to source, to let UNM choose the default source.
        match(track.id, sourceList, track),
        timeoutPromise,
      ]);

      if (!matchedAudio || !matchedAudio.url) {
        throw new Error('no such a song found');
      }

      // bilibili's audio file needs some special treatment
      if (matchedAudio.url.includes('bilivideo.com')) {
        matchedAudio.url = await getBiliVideoFile(matchedAudio.url);
      }

      return matchedAudio;
    } catch (err) {
      const errorMessage = err instanceof Error ? `${err.message}` : `${err}`;
      log(`UnblockNeteaseMusic failed: ${errorMessage}`);
      return null;
    }
  });

  ipcMain.on('close', e => {
    if (process.platform === 'darwin') {
      win.hide();
      exitAsk(e);
    } else {
      let closeOpt = store.get('settings.closeAppOption');
      if (closeOpt === 'exit') {
        win = null;
        //app.quit();
        app.exit(); //exit()直接关闭客户端，不会执行quit();
      } else if (closeOpt === 'minimizeToTray') {
        e.preventDefault();
        win.hide();
      } else {
        exitAskWithoutMac(e);
      }
    }
  });

  ipcMain.on('minimize', () => {
    win.minimize();
  });

  ipcMain.on('maximizeOrUnmaximize', () => {
    const isMaximized = win.isMaximized();
    isMaximized ? win.unmaximize() : win.maximize();
    win.webContents.send('isMaximized', isMaximized);
  });

  ipcMain.on('settings', (event, options) => {
    store.set('settings', options);
    if (options.enableGlobalShortcut) {
      registerGlobalShortcut(win, store);
    } else {
      log('unregister global shortcut');
      globalShortcut.unregisterAll();
    }
  });

  ipcMain.on('playDiscordPresence', (event, track) => {
    client.updatePresence({
      details: track.name + ' - ' + track.ar.map(ar => ar.name).join(','),
      state: track.al.name,
      endTimestamp: Date.now() + track.dt,
      largeImageKey: 'logo',
      largeImageText: 'Listening ' + track.name,
      smallImageKey: 'play',
      smallImageText: 'Playing',
      instance: true,
    });
  });

  ipcMain.on('pauseDiscordPresence', (event, track) => {
    client.updatePresence({
      details: track.name + ' - ' + track.ar.map(ar => ar.name).join(','),
      state: track.al.name,
      largeImageKey: 'logo',
      largeImageText: 'YesPlayMusic',
      smallImageKey: 'pause',
      smallImageText: 'Pause',
      instance: true,
    });
  });

  ipcMain.on('setProxy', (event, config) => {
    const proxyRules = `${config.protocol}://${config.server}:${config.port}`;
    store.set('proxy', proxyRules);
    win.webContents.session.setProxy(
      {
        proxyRules,
      },
      () => {
        log('finished setProxy');
      }
    );
  });

  ipcMain.on('removeProxy', (event, arg) => {
    log('removeProxy');
    win.webContents.session.setProxy({});
    store.set('proxy', '');
  });

  ipcMain.on('switchGlobalShortcutStatusTemporary', (e, status) => {
    log('switchGlobalShortcutStatusTemporary');
    if (status === 'disable') {
      globalShortcut.unregisterAll();
    } else {
      registerGlobalShortcut(win, store);
    }
  });

  ipcMain.on('updateShortcut', (e, { id, type, shortcut }) => {
    log('updateShortcut');
    let shortcuts = store.get('settings.shortcuts');
    let newShortcut = shortcuts.find(s => s.id === id);
    newShortcut[type] = shortcut;
    store.set('settings.shortcuts', shortcuts);

    createMenu(win, store);
    globalShortcut.unregisterAll();
    registerGlobalShortcut(win, store);
  });

  ipcMain.on('restoreDefaultShortcuts', () => {
    log('restoreDefaultShortcuts');
    store.set('settings.shortcuts', cloneDeep(shortcuts));

    createMenu(win, store);
    globalShortcut.unregisterAll();
    registerGlobalShortcut(win, store);
  });

  const exitAsk = e => {
    e.preventDefault(); //阻止默认行为
    dialog
      .showMessageBox({
        type: 'info',
        title: 'Information',
        cancelId: 2,
        defaultId: 0,
        message: '确定要关闭吗？',
        buttons: ['最小化', '直接退出'],
      })
      .then(result => {
        if (result.response == 0) {
          e.preventDefault(); //阻止默认行为
          win.minimize(); //调用 最小化实例方法
        } else if (result.response == 1) {
          win = null;
          //app.quit();
          app.exit(); //exit()直接关闭客户端，不会执行quit();
        }
      })
      .catch(err => {
        log(err);
      });
  };

  const exitAskWithoutMac = e => {
    e.preventDefault(); //阻止默认行为
    dialog
      .showMessageBox({
        type: 'info',
        title: 'Information',
        cancelId: 2,
        defaultId: 0,
        message: '确定要关闭吗？',
        buttons: ['最小化到托盘', '直接退出'],
        checkboxLabel: '记住我的选择',
      })
      .then(result => {
        if (result.checkboxChecked && result.response !== 2) {
          win.webContents.send(
            'rememberCloseAppOption',
            result.response === 0 ? 'minimizeToTray' : 'exit'
          );
        }

        if (result.response === 0) {
          e.preventDefault(); //阻止默认行为
          win.hide(); //调用 最小化实例方法
        } else if (result.response === 1) {
          win = null;
          //app.quit();
          app.exit(); //exit()直接关闭客户端，不会执行quit();
        }
      })
      .catch(err => {
        log(err);
      });
  };
}