#!/usr/bin/env node

var cordova_util = require('cordova/src/util');
var projectRoot = cordova_util.isCordova(process.cwd());
var projectXml = cordova_util.projectConfig(projectRoot);
var projectConfig = new cordova_util.config_parser(projectXml);
projectConfig.name();

var fs = require ('fs');

var platformDir = {
  ios: {
		icon: "{$projectName}/Resources/icons",
		splash: "{$projectName}/Resources/splash",
		nameMap: {
			"icon-57.png": "icon.png",
			"icon-57-2x.png": "icon@2x.png",
			"icon-72-2x.png": "icon-72@2x.png",
			"screen-iphone-portrait.png": "Default~iphone.png",
			"screen-iphone-portrait-2x.png": "Default@2x~iphone.png",
			"screen-iphone-portrait-568h-2x.png": "Default-568h@2x~iphone.png"
		}
	},
	android: {
		icon:"res/drawable-{$density}",
		splash:"res/drawable-{$density}",
		nameMap: {
			"icon-36-ldpi.png": "icon.png",
			"icon-48-mdpi.png": "icon.png",
			"icon-72-hdpi.png": "icon.png",
			"icon-96-xhdpi.png": "icon.png",
			"screen-ldpi-portrait.png": "ic_launcher.png",
			"screen-mdpi-portrait.png": "ic_launcher.png",
			"screen-hdpi-portrait.png": "ic_launcher.png",
			"screen-xhdpi-portrait.png": "ic_launcher.png"
		}
	},
	blackberry10: {},
	wp7: {},
	wp8: {}
}

function copyAsset (scope, node) {
	var platform = node.attrib['gap:platform'];
	var density  = node.attrib['gap:density'];
	var assetDirTmpl = platformDir[platform] && platformDir[platform][scope];
	if (!assetDirTmpl)
		return;

	var dict = {
		projectName: projectConfig.name(),
		density: density
	};

	var assetDir = assetDirTmpl.replace (/{\$([^}]+)}/, function (match, p1) {
		return dict[p1];
	});


	var srcPath = 'www/'+node.attrib.src;
	var fileName = srcPath.match(/[^\/]+$/)[0];
	if (platformDir[platform] && platformDir[platform].nameMap && platformDir[platform].nameMap[fileName]) {
		fileName = platformDir[platform].nameMap[fileName];
	}
	var dstPath = 'platforms/'+platform+'/'+assetDir+'/'+fileName;

	console.log ('copying from '+srcPath+' to the '+dstPath);
	// so, here we start to copy asset
	fs.stat (srcPath, function (err, stats) {
		if (err) {
			return;
		}
		var r = fs.createReadStream(srcPath);
		r.on ('open', function () {
			r.pause();
			var w = fs.createWriteStream(dstPath);
			w.on ('open', function () {
				r.pipe(w);
				r.resume();
			});
			w.on ('error', function() {
				console.log('Cannot write file');
			})
		});
		r.on ('error', function() {
			console.log('Cannot read file');
		})
	})
}

projectConfig.doc.findall ('icon').map (function (node) {
	copyAsset ('icon', node);
});

projectConfig.doc.findall ('*').filter (function (node) {if (node.tag == 'gap:splash') return true;}).map (function (node) {
	copyAsset ('splash', node);
});



// echo "======================================================================================================="

// set

// echo $1

// platforms/ios/G20Summit2013/Resources/icons/