var app			= require('electron').remote,
	fs			 = require('fs'),
	nativeImage	= require('electron').nativeImage,
	exec		   = require('child_process').exec,
	originalFs	 = require('original-fs'),
	https		   = require('https'),
	currentwindow  = app.getCurrentWindow(),
	dialog_win	 = null,
	latest_version = false,
	preventClosing = true;
	recent_projects= undefined

const shell = require('electron').shell;
const {clipboard} = require('electron')

$(document).ready(function() {
	if (app.process.argv.length >= 2) {
		if (app.process.argv[1].substr(-5) == '.json') {
			readFile(app.process.argv[1], true)
		}
	}
	$('.open-in-browser').click((event) => {
		event.preventDefault();
		shell.openExternal(event.target.href);
		return true;
	});
	if (fs.existsSync(app.app.getPath('userData')+osfs+'backups') === false) {
		fs.mkdirSync( app.app.getPath('userData')+osfs+'backups')
	}
	createBackup()
	$('.web_only').remove()
	if (__dirname.includes('C:\\xampp\\htdocs\\blockbench\\web')) {
		Blockbench.addFlag('dev')
	}
})

getLatestVersion(true)
//Called on start to show message
function getLatestVersion(init) {
	if (process.platform == 'linux') return;
	$.getJSON('https://blockbench.net/api/index.json', (data) => {
		if (data.version) {
			latest_version = data.version
			if (compareVersions(latest_version, appVersion) && init === true) {

		        Blockbench.showMessageBox({
					translateKey: 'update_notification',
					message: tl('message.update_notification.message', [latest_version]),
					icon: 'update',
					buttons: [tl('message.update_notification.install'), tl('message.update_notification.later')],
					confirm: 0, cancel: 1
		        }, (result) => {
		        	if (result === 0) {
		        		checkForUpdates(true)
		        	}
		        })

			} else if (init === false) {
				checkForUpdates()
			}
		}
	}).fail(function() {
		latest_version = false
	})
}
//Recent Projects
function updateRecentProjects() {
	if (recent_projects === undefined) {
		//Setup
		recent_projects = []
		var raw = localStorage.getItem('recent_projects')
		if (raw) {
			recent_projects = JSON.parse(raw)
		}
	}
	//Set Local Storage
	localStorage.setItem('recent_projects', JSON.stringify(recent_projects))
}
function addRecentProject(data) {
	var i = recent_projects.length-1
	while (i >= 0) {
		var p = recent_projects[i]
		if (p.path === data.path) {
			recent_projects.splice(i, 1)
		}
		i--;
	}
	recent_projects.push({name: data.name, path: data.path})
	if (recent_projects.length > 8) {
		recent_projects.shift()
	}
	updateRecentProjects()
}
//Updates
function checkForUpdates(instant) {
	showDialog('updater')
	setProgressBar('update_bar', 0, 1)
	var data;
	if (latest_version === false) {

		data =  `<div class="tool" onclick="refreshUpdateDialog()">
				<i class="material-icons">refresh</i>
				<div class="tooltip">${tl('dialog.update.refresh')}</div>
				</div>
				<div class="dialog_bar narrow">
				<i class="material-icons blue_icon">cloud_off</i>${tl('dialog.update.no_connection')}
				</div>`;

	} else if (latest_version !== appVersion) {
		data = 
			`<div class="dialog_bar narrow">${tl('dialog.update.latest')}: ${latest_version}</div>
			<div class="dialog_bar narrow">${tl('dialog.update.installed')}: ${appVersion}</div>
			<div class=""><button type="button" class="large uc_btn" id="update_button" onclick="installUpdate()">${tl('dialog.update.update')}</button></div>`;

		if (instant) {
			setTimeout(function() {
				installUpdate()
			}, 60)
		}
	} else {
		data = 
			`<div class="tool" onclick="refreshUpdateDialog()">
				<i class="material-icons">refresh</i>
				<div class="tooltip">${tl('dialog.update.refresh')}</div>
			</div>
			<div class="dialog_bar narrow">
			<i class="material-icons blue_icon">check</i>
			${tl('dialog.update.up_to_date')}
			</div>`;
	}
	$('#updater_content').html(data)
}
function refreshUpdateDialog() {
	currentwindow.webContents.session.clearCache(function() {
		data = '<div class="dialog_bar narrow"><i class="material-icons blue_icon spinning">refresh</i>'+tl('dialog.update.connecting')+'</div>'
		$('#updater_content').html(data)
		getLatestVersion(false)
	})
}
function installUpdate() {
	console.log('Starting Update')
	var received_bytes = 0;
	var total_bytes = 0;

	$('.uc_btn').css('visibility', 'hidden')

	var asar_path = __dirname
	if (asar_path.includes('.asar') === false) {
		asar_path = asar_path + osfs+'resources'+osfs+'app.asar'
	}

	var file = originalFs.createWriteStream(asar_path)

	var request = https.get("https://blockbench.net/api/app.asar", function(response) {
		response.pipe(file);

		total_bytes = parseInt(response.headers['content-length']);

		response.on('end', updateInstallationEnd)
		response.on('data', function(chunk) {
			received_bytes += chunk.length;
			setProgressBar('update_bar', received_bytes / total_bytes, 1);
		})
	});
}
function updateInstallationEnd() {
	hideDialog()
	var exe_path = __dirname.split(osfs)
	exe_path.splice(-2)
	exe_path = exe_path.join(osfs)+osfs+'blockbench.exe'
	if (showSaveDialog(true)) {
		exec(exe_path)
	} else {
		Blockbench.showQuickMessage('message.restart_to_update')
	}
}
//Image Editor
function changeImageEditor(texture) {
	var dialog = new Dialog({
		title: tl('message.image_editor.title'),
		id: 'image_editor',
		lines: ['<div class="dialog_bar"><select class="dark_bordered input_wide">'+
				'<option id="ps">Photoshop</option>'+
				'<option id="gimp">Gimp</option>'+
				'<option id="pdn">Paint.NET</option>'+
				'<option id="other">'+tl('message.image_editor.file')+'</option>'+
			'</select></div>'],
		draggable: true,
		onConfirm: function() {
			var id = $('.dialog#image_editor option:selected').attr('id')
			var path;
			switch (id) {
				case 'ps':  path = 'C:\\Program Files\\Adobe\\Adobe Photoshop CC 2018\\Photoshop.exe'; break;
				case 'gimp':path = 'C:\\Program Files\\GIMP 2\\bin\\gimp-2.10.exe'; break;
				case 'pdn': path = 'C:\\Program Files\\paint.net\\PaintDotNet.exe'; break;
			}
			if (id === 'other') {
				selectImageEditorFile(texture)

			} else if (path) {
				settings.image_editor.value = path
				if (texture) {
					texture.openEditor()
				}
			}
			dialog.hide()
		}
	}).show()
	/*
	Ask for file IF
		_other selected
	*/
}
function selectImageEditorFile(texture) {
	app.dialog.showOpenDialog(currentwindow, {
		title: tl('message.image_editor.exe'),
		filters: [{name: 'Executable Program', extensions: ['exe']}]
	}, function(filePaths) {
		if (filePaths) {
			settings.image_editor.value = filePaths[0]
			if (texture) {
				texture.openEditor()
			}
		}
	})
}
//Default Pack
function openDefaultTexturePath() {
	var answer = app.dialog.showMessageBox(currentwindow, {
		type: 'info',
		buttons: (
			settings.default_path.value ? 	[tl('dialog.cancel'), tl('message.default_textures.continue'), tl('message.default_textures.remove')]
										:	[tl('dialog.cancel'), tl('message.default_textures.continue')]
		),
		noLink: true,
		title: tl('message.default_textures.title'),
		message: tl('message.default_textures.message'),
		detail: tl('message.default_textures.detail'),
	})
	if (answer === 0) {
		return;
	} else if (answer === 1) {
		 app.dialog.showOpenDialog(currentwindow, {
			title: tl('message.default_textures.select'),
			properties: ['openDirectory'],
		}, function(filePaths) {
			if (filePaths) {
				settings.default_path.value = filePaths[0]
			}
		})
	} else {
		settings.default_path.value = false
	}
}
function findEntityTexture(mob, return_path) {
	var textures = {
		'geometry.chicken': 'chicken',
		'geometry.blaze': 'blaze',
		'geometry.llamaspit': 'llama/spit',
		'geometry.llama': 'llama/llama_creamy',
		'geometry.dragon': 'dragon/dragon',
		'geometry.ghast': 'ghast/ghast',
		'geometry.slime': 'slime/slime',
		'geometry.slime.armor': 'slime/slime',
		'geometry.lavaslime': 'slime/magmacube',
		'geometry.silverfish': 'silverfish',
		'geometry.shulker': 'shulker/shulker_undyed',
		'geometry.rabbit': 'rabbit/brown',
		'geometry.horse': 'horse/horse_brown',
		'geometry.horse.v2': 'horse2/horse_brown',
		'geometry.humanoid': 'steve',
		'geometry.creeper': 'creeper/creeper',
		'geometry.enderman': 'enderman/enderman',
		'geometry.zombie': 'zombie/zombie',
		'geometry.zombie.husk': 'zombie/husk',
		'geometry.zombie.drowned': 'zombie/drowned',
		'geometry.pigzombie': 'pig/pigzombie',
		'geometry.pigzombie.baby': 'pig/pigzombie',
		'geometry.skeleton': 'skeleton/skeleton',
		'geometry.skeleton.wither': 'skeleton/wither_skeleton',
		'geometry.skeleton.stray': 'skeleton/stray',
		'geometry.squid': 'squid',
		'geometry.spider': 'spider/spider',
		'geometry.cow': 'cow/cow',
		'geometry.mooshroom': 'cow/mooshroom',
		'geometry.sheep.sheared': 'sheep/sheep',
		'geometry.sheep': 'sheep/sheep',
		'geometry.phantom': 'phantom',
		'geometry.pig': 'pig/pig',
		'geometry.bat': 'bat',
		'geometry.dolphin': 'dolphin',
		'geometry.irongolem': 'iron_golem',
		'geometry.snowgolem': 'snow_golem',
		'geometry.zombie.villager': 'zombie_villager/zombie_farmer',
		'geometry.evoker': 'illager/evoker',
		'geometry.vex': 'vex/vex',
		'geometry.vindicator': 'vindicator',
		'geometry.wolf': 'wolf/wolf',
		'geometry.ocelot': 'cat/ocelot',
		'geometry.cat': 'cat/siamese',
		'geometry.trident': 'trident',
		'geometry.guardian': 'guardian',
		'geometry.polarbear': 'polarbear',
		'geometry.turtle': 'sea_turtle',
		'geometry.villager': 'villager/farmer',
		'geometry.villager.witch': 'witch',
		'geometry.witherBoss': 'wither_boss/wither',
		'geometry.agent': 'agent',
		'geometry.armor_stand': 'armor_stand',
		'geometry.parrot': 'parrot/parrot_red_blue',
		'geometry.bed': 'bed/white',
		'geometry.player_head': 'steve',
		'geometry.mob_head': 'skeleton/skeleton',
		'geometry.dragon_head': 'dragon/dragon',
		'geometry.boat': 'boat/boat_oak',
		'geometry.minecart': 'minecart',
		'geometry.cod': 'fish/fish',
		'geometry.pufferfish.small': 'fish/pufferfish',
		'geometry.pufferfish.mid': 'fish/pufferfish',
		'geometry.pufferfish.large': 'fish/pufferfish',
		'geometry.salmon': 'fish/salmon',
		'geometry.tropicalfish_a': 'fish/tropical_a',
		'geometry.tropicalfish_b': 'fish/tropical_b',
		'geometry.endermite': 'endermite',
		'geometry.panda': 'panda/panda',
	}
	var path = textures[mob.split(':')[0]]
	if (!path) {
		path = mob.split(':')[0].replace('geometry.', '')
	}
	if (path) {
		var texture_path = Prop.file_path.split(osfs)
		var index = texture_path.lastIndexOf('models') - texture_path.length
		texture_path.splice(index)
		texture_path = [...texture_path, 'textures', 'entity', ...path.split('/')].join(osfs)

		if (return_path === true) {
			return texture_path+'.png';
		} else {
			if (fs.existsSync(texture_path + '.png')) {
				var texture = new Texture({keep_size: true}).fromPath(texture_path + '.png').add()
			} else if (fs.existsSync(texture_path + '.tga')) {
				var texture = new Texture({keep_size: true}).fromPath(texture_path + '.tga').add()

			} else if (settings.default_path && settings.default_path.value) {

				texture_path = settings.default_path.value + osfs + 'entity' + osfs + path.split('/').join(osfs)
				if (fs.existsSync(texture_path + '.png')) {
					var texture = new Texture({keep_size: true}).fromPath(texture_path + '.png').add()
				} else if (fs.existsSync(texture_path + '.tga')) {
					var texture = new Texture({keep_size: true}).fromPath(texture_path + '.tga').add()
				}
			}
		}
	}
}
//Writers
function saveFile(props) {
	if (Prop.file_path) {
		Prop.project_saved = true;
		setProjectTitle(pathToName(Prop.file_path, false))
		var extension = pathToExtension(Prop.file_path)

		if (Blockbench.entity_mode === false) {
			if (extension === 'jpm') {
				BarItems.export_optifine_part.trigger()
			} else {
				var content = buildBlockModel()
				fs.writeFile(Prop.file_path, content, function (err) {
					if (err) {
						console.log('Error Saving File: '+err)
					}
					if (props && props.closeAfter) {
						preventClosing = false
						setTimeout(function() {
							currentwindow.close()
						}, 12)
					}
					Blockbench.showQuickMessage(tl('message.save_file', [pathToName(Prop.file_path, true)]))
				})
			}
		} else {
			if (extension === 'jem') {
				BarItems.export_optifine_full.trigger()
			} else {
				var content = buildEntityModel({raw: true})
				writeFileEntity(content, Prop.file_path)
			}
		}
	} else {
		if (Blockbench.entity_mode === false) {
			Blockbench.export({
				type: 'JSON Model',
				extensions: ['json'],
				name: Project.name||'model',
				startpath: Prop.file_path,
				custom_writer: function(content, path) {
					Prop.file_path = path
					Project.name = pathToName(path, true)
					saveFile(props)
				}
			})
		} else {
			var content = buildEntityModel({raw: true});
			Blockbench.export({
				type: 'JSON Entity Model',
				extensions: ['json'],
				name: Project.name,
				startpath: Prop.file_path,
				content: content,
				custom_writer: writeFileEntity
			})
		}
	}
}
function writeFileEntity(content, filepath) {
	Prop.file_path = filepath
	fs.readFile(filepath, 'utf-8', function (errx, data) {
		var obj = {}
		if (!errx) {
			try {
				obj = JSON.parse(data.replace(/\/\*[^(\*\/)]*\*\/|\/\/.*/g, ''))
			} catch (err) {
				err = err+''
				var answer = app.dialog.showMessageBox(currentwindow, {
					type: 'warning',
					buttons: [
						tl('message.bedrock_overwrite_error.backup_overwrite'),
						tl('message.bedrock_overwrite_error.overwrite'),
						tl('dialog.cancel')
					],
					title: 'Blockbench',
					message: tl('message.bedrock_overwrite_error.message'),
					detail: err,
					noLink: false
				})
				if (answer === 0) {
					var backup_file_name = pathToName(filepath, true) + ' backup ' + new Date().toLocaleString().split(':').join('_')
					backup_file_name = filepath.replace(pathToName(filepath, false), backup_file_name)
					fs.writeFile(backup_file_name, data, function (err2) {
						if (err2) {
							console.log('Error saving backup model: ', err2)
						}
					}) 
				}
				if (answer === 2) {
					return;
				}
			}
			if (typeof obj === 'object') {
				for (var key in obj) {
					if (obj.hasOwnProperty(key) &&
						obj[key].bones &&
						typeof obj[key].bones === 'object' &&
						obj[key].bones.constructor.name === 'Array'
					) {
						obj[key].bones.forEach(function(bone) {
							if (typeof bone.cubes === 'object' &&
								bone.cubes.constructor.name === 'Array'
							) {
								bone.cubes.forEach(function(c, ci) {
									bone.cubes[ci] = new oneLiner(c)
								})
							}
						})
					}
				}
			}
		}
		var model_name = Project.parent
		if (model_name == '') model_name = 'geometry.unknown'
		obj[model_name] = content
		content = autoStringify(obj)

		fs.writeFile(filepath, content, function (err) {
			if (err) {
				console.log('Error Saving Entity Model: '+err)
			}
			Blockbench.showQuickMessage('message.save_entity')
			Prop.project_saved = true;
			setProjectTitle(pathToName(filepath, false))
        	addRecentProject({name: pathToName(filepath, 'mobs_id'), path: filepath})
		})
	})
}
function writeFileObj(content, filepath) {
	if (filepath === undefined) {
		return;
	}
	var content = buildOBJModel(pathToName(filepath, false))

	//OBJECT
	fs.writeFile(filepath, content.obj, function (err) {})

	//MATERIAL
	fs.writeFile(filepath.split('.obj').join('.mtl'), content.mtl, function (err) {})

	//IMAGES
	if (settings.obj_textures.value === true) {
		for (var key in content.images) {
			var texture = content.images[key]
			if (content.images.hasOwnProperty(key) && texture.path) {
				if (texture.mode === 'link') {
					var native_image_instance = nativeImage.createFromPath(texture.path)
				} else {
					var native_image_instance = nativeImage.createFromDataURL(texture.source)
				}
				var image = native_image_instance.toPNG()
				var image_path = filepath.split(osfs)
				image_path.pop()
				image_path = image_path.join(osfs) + osfs + texture.name
				if (image_path.substr(-4) !== '.png') {
					image_path = image_path + '.png'
				}
				fs.writeFile(image_path, image, function (err) {})
			}
		}
	}
	Blockbench.showQuickMessage('message.save_obj')
}
//Open
function readFile(filepath, makeNew) {
    fs.readFile(filepath, 'utf-8', function (err, data) {
        if (err) {
            console.log(err)
            Blockbench.showMessageBox({
				translateKey: 'file_not_found',
				icon: 'error_outline'
            })
            return;
        }
        addRecentProject({name: pathToName(filepath, 'mobs_id'), path: filepath})
        loadModel(data, filepath, !makeNew)
    })
}
//Backup
function createBackup(init) {
	setTimeout(createBackup, limitNumber(parseFloat(settings.backup_interval.value), 1, 10e8)*60000)

	if (init || elements.length === 0) return;
	var model = buildBlockModel({
		backup: true,
		raw: true,
		cube_name: true,
		prevent_dialog: true,
		comment: false,
		groups: true
	})
	var d = new Date()
	var file_name = 'backup_'+d.getDate()+'.'+(d.getMonth()+1)+'.'+(d.getYear()-100)+'_'+d.getHours()+'.'+d.getMinutes()
	var file_path = app.app.getPath('userData')+osfs+'backups'+osfs+file_name+'.json'

	fs.writeFile(file_path, JSON.stringify(model), function (err) {
		if (err) {
			console.log('Error creating backup: '+err)
		}
	})
}

//Zoom
function setZoomLevel(mode) {
	switch (mode) {
		case 'in':	Prop.zoom += 5;  break;
		case 'out':   Prop.zoom -= 5;  break;
		case 'reset': Prop.zoom = 100; break;
	}
	var level = (Prop.zoom - 100) / 12
	currentwindow.webContents.setZoomLevel(level)
	resizeWindow()
}
//Close
window.onbeforeunload = function() {
	if (preventClosing === true) {
		setTimeout(function() {
			showSaveDialog(true)
		}, 2)
		return true;
	}
}
function showSaveDialog(close) {
	if (Blockbench.flags.includes('allow_reload')) {
		close = false
	}
	var unsaved_textures = 0;
	textures.forEach(function(t) {
		if (!t.saved) {
			unsaved_textures++;
		}
	})
	if ((Prop.project_saved === false && elements.length > 0) || unsaved_textures) {
		var answer = app.dialog.showMessageBox(currentwindow, {
			type: 'question',
			buttons: [tl('dialog.save'), tl('dialog.discard'), tl('dialog.cancel')],
			title: 'Blockbench',
			message: tl('message.close_warning.message'),
			noLink: true
		})
		if (answer === 0) {
			saveFile({closeAfter: close})
			return false;
		} else if (answer === 2) {
			return false;
		} else {
			if (close === true) {
				preventClosing = false
				setTimeout(function() {
					currentwindow.close()
				}, 12)
			}
			return true;
		}
	} else {
		if (close === true) {
			preventClosing = false
			setTimeout(function() {
				currentwindow.close()
			}, 12)
		}
		return true;
	}
}