//require electron module
const electron = require('electron')

//core node js module
const url = require('url');

const path = require('path');

const {app,BrowserWindow,Menu,ipcMain}=electron;

//SET ENV
//remove developer tools if in production
//process.env.NODE_ENV = "production";

let mainWindow;
let addWindow;

//listen for app to be ready

app.on('ready',function(){

    //create new window

    mainWindow=new BrowserWindow({});

//Load html into window

mainWindow.loadURL(url.format({
pathname: path.join(__dirname, 'mainWindow.html'),
protocol:'file:',
slashes:true

}));

//Quit app when closed
mainWindow.on('closed', function(){
app.quit();

});

//Build menu from template
const mainMenu = Menu.buildFromTemplate(mainMenuTemplate);
//Insert menu
Menu.setApplicationMenu(mainMenu);

});

//Handle create add window

function createAddWindow(){

    //create new window

    addWindow=new BrowserWindow({
width:300,
height:200,
title:'Add Shopping List item'

    });

//Load html into window

addWindow.loadURL(url.format({
pathname: path.join(__dirname, 'addWindow.html'),
protocol:'file:',
slashes:true

}));



//Garbage collection handle
addWindow.on('close',function(){
addWindow=null;

});

}


//Catch item:add

ipcMain.on('item:add',function(e,item){

    //  console.log(item);

  mainWindow.webContents.send('item:add',item);
  addWindow.close();



  });





//Create menu template

const mainMenuTemplate = [



    {
      label:'File',

      submenu:[
        {
            label:'Add Item',
            click(){
                createAddWindow();


            }

        },
        {
            label:'Clear Items',
            click(){

                //send event item:clear to main window

                mainWindow.webContents.send('item:clear');

            }
        },
        {
            label:'Quit',
            accelerator: process.platform =='darwin' ? 'Command+Q':'Ctrl+Q',

            click(){
                app.quit();
            }

        }

        ]

    }
];

//If mac, add empty object to menu

if(process.platform=='darwin'){

    //adds on empty object '{}' to beginning of array. Need this part for Macs so 'file' shows in top right of main window
mainMenuTemplate.unshift({});

}

//Add developer tools item if not in production

if(process.env.NODE_ENV !== 'production'){
mainMenuTemplate.push({
label:'Developer Tools',
submenu:[
    {
        label:'Toggle DevTools',
        accelerator: process.platform =='darwin' ? 'Command+I':'Ctrl+I',
        click(item , focusedWindow){
                    focusedWindow.toggleDevTools();
        }
    },
    {
    role:'reload'
    }
]

});


}