const { app, BrowserWindow, Menu, session, ipcMain, dialog } = require('electron')
const path = require('path')

/** Force disable security warning */
process.env['ELECTRON_DISABLE_SECURITY_WARNINGS'] = 'true'

// Keep a global reference of the window object, if you don't, the window will
// be closed automatically when the JavaScript object is garbage collected.
let win

function createWindow() {
  // Create the browser window.
  win = new BrowserWindow({
    /** Icon */
    icon: "./icon.png",
    width: 1280,
    height: 940,
    webPreferences: {
      // preload: path.join(__dirname, 'preload.js'),
      nodeIntegration: true,
      contextIsolation: false
    }
  })
  /** Maximize Window at startup */
  win.maximize()

  // and load the index.html of the app.
  win.loadFile('index.html')

  // Open the DevTools.
  win.webContents.openDevTools()

  // Emitted when the window is closed.
  // win.on('closed', () => {
  //   // Dereference the window object, usually you would store windows
  //   // in an array if your app supports multi windows, this is the time
  //   // when you should delete the corresponding element.
  //   win = null
  // })

  /** For SkyWay */
  session.defaultSession.webRequest.onBeforeSendHeaders((details, callback) => {
    details.requestHeaders['Origin'] = 'electron://localhost'
    callback({
      cancel: false,
      requestHeaders: details.requestHeaders
    })
  })
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
// app.on('ready', createWindow)
app.whenReady().then(() => {
  createWindow()

  app.on('activate', function () {
    // On macOS it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (BrowserWindow.getAllWindows().length === 0) createWindow()
  })

  /** Custom Menu */
  let template = [
    {
      label: 'Menu',
      submenu: [
        {
          label: 'Toggle Menu Bar',
          click: () => {
            win.setMenuBarVisibility(!win.menuBarVisible)
          },
          accelerator: "CommandOrControl+Shift+M"
        },
        {
          label: 'Reload',
          click: () => {
            win.reload()
          },
          accelerator: "F5"
        },
        {
          label: 'Mascot',
          click: (item, focusedWindow) => {
            if (focusedWindow)
              focusedWindow.webContents.executeJavaScript('ugj_selectMascot()')
          },
          accelerator: "CommandOrControl+M"
        },
        {
          label: 'Toggle Developer Tools',
          click: () => {
            win.webContents.toggleDevTools()
          },
          accelerator: "F12"
        },
        {
          label: 'About',
          click: () => {
            var os = require('os')
            var detail = 'Version: ' + process.env.npm_package_version + '\n'
              + 'Node.js: ' + process.versions.node + '\n'
              + 'Chrome: ' + process.versions.chrome + '\n'
              + 'Electron: ' + process.versions.electron + '\n'
              + 'V8: ' + process.versions.v8 + '\n'
              + 'OS: ' + os.type + ' ' + os.arch + ' ' + os.version + ' ' + os.release
            var options = {
              type: 'info',
              buttons: ['OK'],
              title: 'OCoGe',
              message: 'OCoGe - Oiwa Code Generator',
              detail: detail
            }
            require('electron').dialog.showMessageBox(win, options)
          },
          accelerator: "CommandOrControl+I"
        },
        {
          label: 'Quit',
          click: () => {
            app.quit()
          },
          accelerator: "CommandOrControl+Q"
        }
      ]
    },
    {
      label: "Settings",
      submenu: [
        {
          label: "i2c bus",
          submenu: [
            {
              label: "1",
              click: (item, focusedWindow) => {
                if (focusedWindow)
                  focusedWindow.webContents.executeJavaScript('elutil.setI2cbusNo("1")');
              }
            },
            {
              label: "6",
              click: (item, focusedWindow) => {
                if (focusedWindow)
                  focusedWindow.webContents.executeJavaScript('elutil.setI2cbusNo("6")');
              }
            },

          ]
        }
      ]
    },
  ]
  const menu = Menu.buildFromTemplate(template)
  Menu.setApplicationMenu(menu)
  win.setMenuBarVisibility(false)
})


// Quit when all windows are closed.
app.on('window-all-closed', () => {
  // On macOS it is common for applications and their menu bar
  // to stay active until the user quits explicitly with Cmd + Q
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

// app.on('activate', () => {
//   // On macOS it's common to re-create a window in the app when the
//   // dock icon is clicked and there are no other windows open.
//   if (win === null) {
//     createWindow()
//   }
// })

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.

// IPC
ipcMain.on('set_title', (ev, title) => {
  win.setTitle(title)
})
ipcMain.handle('open_dialog', (ev, title, dpath, filter) => {
  let filepaths = dialog.showOpenDialogSync(win, {
    properties: ['openFile'],
    title: title,
    defaultPath: dpath,
    filters: [
      filter
    ]
  })
  return filepaths
})
ipcMain.handle('save_dialog', (ev, title, defName, filter) => {
  let filename = dialog.showSaveDialogSync(win, {
    title: title,
    defaultPath: defName,
    filters: [filter]
  })
  console.log(filename)
  return filename
})