import { app, shell, Menu, BrowserWindow } from "electron";

import { clearCaches } from "../cache";
import { IPC_COMMANDS } from "../constants";
import { isDevMode } from "../utils/devmode";

const LINKS = {
  homepage: "https://www.twitter.com/felixrieseberg",
  repo: "https://github.com/felixrieseberg/windows95",
  credits: "https://github.com/felixrieseberg/windows95/blob/master/CREDITS.md",
  help: "https://github.com/felixrieseberg/windows95/blob/master/HELP.md"
};

function send(cmd: string) {
  const windows = BrowserWindow.getAllWindows();

  if (windows[0]) {
    windows[0].webContents.send(cmd);
  }
}

export async function setupMenu() {
  const template: Array<Electron.MenuItemConstructorOptions> = [
    {
      label: "View",
      submenu: [
        {
          label: "Toggle Full Screen",
          accelerator: (function() {
            if (process.platform === "darwin") {
              return "Ctrl+Command+F";
            } else {
              return "F11";
            }
          })(),
          click: function(_item, focusedWindow) {
            if (focusedWindow) {
              focusedWindow.setFullScreen(!focusedWindow.isFullScreen());
            }
          }
        },
        {
          label: "Toggle Developer Tools",
          accelerator: (function() {
            if (process.platform === "darwin") {
              return "Alt+Command+I";
            } else {
              return "Ctrl+Shift+I";
            }
          })(),
          click: function(_item, focusedWindow) {
            if (focusedWindow) {
              focusedWindow.webContents.toggleDevTools();
            }
          }
        },
        {
          type: "separator"
        },
        {
          label: "Toggle Emulator Info",
          click: () => send(IPC_COMMANDS.TOGGLE_INFO)
        },
        {
          type: "separator"
        },
        {
          role: "reload"
        }
      ]
    },
    {
      role: "editMenu",
      visible: isDevMode()
    },
    {
      label: "Window",
      role: "window",
      submenu: [
        {
          label: "Minimize",
          accelerator: "CmdOrCtrl+M",
          role: "minimize"
        },
        {
          label: "Close",
          accelerator: "CmdOrCtrl+W",
          role: "close"
        }
      ]
    },
    {
      label: "Machine",
      submenu: [
        {
          label: "Send Ctrl+Alt+Del",
          click: () => send(IPC_COMMANDS.MACHINE_CTRL_ALT_DEL)
        },
        {
          label: "Restart",
          click: () => send(IPC_COMMANDS.MACHINE_RESTART)
        },
        {
          label: "Reset",
          click: () => send(IPC_COMMANDS.MACHINE_RESET)
        },
        {
          type: "separator"
        },
        {
          label: "Go to Disk Image",
          click: () => send(IPC_COMMANDS.SHOW_DISK_IMAGE)
        }
      ]
    },
    {
      label: "Help",
      role: "help",
      submenu: [
        {
          label: "Author",
          click: () => shell.openExternal(LINKS.homepage)
        },
        {
          label: "windows95 on GitHub",
          click: () => shell.openExternal(LINKS.repo)
        },
        {
          label: "Help",
          click: () => shell.openExternal(LINKS.help)
        },
        {
          type: "separator"
        },
        {
          label: "Troubleshooting",
          submenu: [
            {
              label: "Clear Cache and Restart",
              async click() {
                await clearCaches();

                app.relaunch();
                app.quit();
              }
            }
          ]
        }
      ]
    }
  ];

  if (process.platform === "darwin") {
    template.unshift({
      label: "windows95",
      submenu: [
        {
          role: "about"
        },
        {
          type: "separator"
        },
        {
          role: "services"
        },
        {
          type: "separator"
        },
        {
          label: "Hide windows95",
          accelerator: "Command+H",
          role: "hide"
        },
        {
          label: "Hide Others",
          accelerator: "Command+Shift+H",
          role: "hideothers"
        },
        {
          role: "unhide"
        },
        {
          type: "separator"
        },
        {
          label: "Quit",
          accelerator: "Command+Q",
          click() {
            app.quit();
          }
        }
      ]
    } as any);
  }

  Menu.setApplicationMenu(Menu.buildFromTemplate(template as any));
}