import { app, BrowserWindow, ipcMain, dialog, shell, globalShortcut } from 'electron'
import { join } from 'path'
import { detectSteamGames } from './steam'
import { detectEpicGames } from './epic'
import {
  CustomGame, AppEntry,
  readCustomGames, writeCustomGames,
  addCustomGame, removeCustomGame, updateCustomGame,
  readApps, addApp, removeApp, updateApp,
} from './config'
import { launchSteamGame, launchEpicGame, launchExe } from './launcher'
import { getFavorites, toggleFavorite, getRecent, addRecent } from './favorites'

let mainWindow: BrowserWindow | null = null

function createWindow(): void {
  mainWindow = new BrowserWindow({
    width: 1280,
    height: 800,
    minWidth: 960,
    minHeight: 600,
    backgroundColor: '#0f0f0f',
    title: 'Club Launcher',
    frame: true,
    autoHideMenuBar: true,
    webPreferences: {
      preload: join(__dirname, '../preload/preload.js'),
      contextIsolation: true,
      nodeIntegration: false,
      webSecurity: false,
    },
  })

  if (process.env['ELECTRON_RENDERER_URL']) {
    mainWindow.loadURL(process.env['ELECTRON_RENDERER_URL'])
    mainWindow.webContents.openDevTools({ mode: 'detach' })
  } else {
    mainWindow.loadFile(join(__dirname, '../renderer/index.html'))
  }

  mainWindow.on('closed', () => { mainWindow = null })
}

// ── IPC ──────────────────────────────────────────────────────────────────

ipcMain.handle('games:get-all', () => {
  const steamGames  = detectSteamGames()
  const epicGames   = detectEpicGames()
  const customGames = readCustomGames()
  const apps        = readApps()
  return [...steamGames, ...epicGames, ...customGames, ...apps]
})

ipcMain.handle('games:launch', (_event, id: string) => {
  if (id.startsWith('steam_')) {
    launchSteamGame(id.replace('steam_', ''))
    return { ok: true, recent: addRecent(id) }
  }
  if (id.startsWith('epic_')) {
    launchEpicGame(id.replace('epic_', ''))
    return { ok: true, recent: addRecent(id) }
  }

  const all = [...readCustomGames(), ...readApps()]
  const game = all.find((g) => g.id === id)
  if (!game) return { ok: false, error: 'Not found' }

  try {
    launchExe(game.exe, game.args)
    return { ok: true, recent: addRecent(id) }
  } catch (e) {
    return { ok: false, error: String(e) }
  }
})

// Custom games
ipcMain.handle('admin:add-game',    (_e, d: Omit<CustomGame, 'id' | 'source'>) => addCustomGame(d))
ipcMain.handle('admin:remove-game', (_e, id: string) => { removeCustomGame(id); return { ok: true } })
ipcMain.handle('admin:update-game', (_e, g: CustomGame) => { updateCustomGame(g); return { ok: true } })

// App entries
ipcMain.handle('apps:add',    (_e, d: Omit<AppEntry, 'id' | 'source'>) => addApp(d))
ipcMain.handle('apps:remove', (_e, id: string) => { removeApp(id); return { ok: true } })
ipcMain.handle('apps:update', (_e, a: AppEntry) => { updateApp(a); return { ok: true } })

// Dialogs
ipcMain.handle('dialog:pick-exe', async () => {
  const r = await dialog.showOpenDialog({
    title: 'Выберите исполняемый файл',
    filters: [{ name: 'Executable', extensions: ['exe', 'bat', 'cmd', 'lnk'] }],
    properties: ['openFile'],
  })
  return r.canceled ? null : r.filePaths[0]
})

ipcMain.handle('dialog:pick-image', async () => {
  const r = await dialog.showOpenDialog({
    title: 'Выберите обложку',
    filters: [{ name: 'Image', extensions: ['png', 'jpg', 'jpeg', 'webp', 'gif', 'ico'] }],
    properties: ['openFile'],
  })
  return r.canceled ? null : r.filePaths[0]
})

// Favorites / recent
ipcMain.handle('favorites:get',    ()             => getFavorites())
ipcMain.handle('favorites:toggle', (_e, id: string) => toggleFavorite(id))
ipcMain.handle('recent:get',       ()             => getRecent())

// ── App lifecycle ────────────────────────────────────────────────────────

app.whenReady().then(() => {
  createWindow()
  globalShortcut.register('CommandOrControl+Alt+A', () => {
    mainWindow?.webContents.send('admin:open')
  })
  app.on('activate', () => {
    if (BrowserWindow.getAllWindows().length === 0) createWindow()
  })
})

app.on('window-all-closed', () => {
  globalShortcut.unregisterAll()
  if (process.platform !== 'darwin') app.quit()
})