let fs = require('fs')

function escapeTemplateLiteral(str) {
	return str.replace(/([\\$`])/g, '\\$1');
}

function embedHtml(src, dst) {
	fs.readFile(src, 'utf8', function(err, data) {
		if(err) throw err;
		
		data = "(<any>window)['"+src.replace(/^.*[\\\/]/, '')+"'] = `" + escapeTemplateLiteral(data) + "`;";
		
		fs.writeFile(dst, data, function(err) {
			if(err) throw err;
		});
	});
}

function embedCss(src, dst) {
	fs.readFile(src, 'utf8', function(err, data) {
		if(err) throw err;
		
		data = "(<any>window)['"+src.replace(/^.*[\\\/]/, '')+"'] = `<style>" + escapeTemplateLiteral(data) + "</style>`;";
		data = data.replace(/"/g, "'");
		
		fs.writeFile(dst, data, function(err) {
			if(err) throw err;
		});
	});
}

function embedSvg(src, dst) {
	fs.readFile(src, 'utf8', function(err, data) {
		if(err) throw err;
		data = data.replace(/<\?xml[^\?]*\?>[\r\n]*/g, '');
		data = data.replace(/<svg[^>]*>[\r\n]*/g, '');
		data = data.replace(/<\/svg>[\r\n]*/g, '');
		
		data = data.replace(/>\s*<desc[^>]*>&lt;attributes&gt;/g, ' ');
		data = data.replace(/&lt;\/attributes&gt;<\/desc>/g, '>');
		data = data.replace(/&quot;/g, '"');
		
		data = "(<any>window)['"+src.replace(/^.*[\\\/]/, '')+"'] = `" + escapeTemplateLiteral(data) + "`;";
		
		fs.writeFile(dst, data, function(err) {
			if(err) throw err;
		});
	});
}

function embedCsv(src, dst) {
	fs.readFile(src, 'utf8', function(err, csvData) {
		if(err) throw err;
		
		let csvLines = csvData.split('\n').map(str => str.replace('\r', '').split(';'));
		
		let jsData = {};
		
		let zones = csvLines[0];
		for(let zoneIdx = 0; zoneIdx < zones.length; ++zoneIdx) {
			let zoneName = zones[zoneIdx];
			let zoneData = [];
			
			for(let lineIdx = 1; lineIdx < csvLines.length; ++lineIdx) {
				zoneData[lineIdx-1] = Math.round(Number(csvLines[lineIdx][zoneIdx]));
			}
			
			jsData[zoneName] = zoneData;
		}
		
		let content = "(<any>window)['"+src.replace(/^.*[\\\/]/, '')+"'] = " + JSON.stringify(jsData) + ";";
		
		fs.writeFile(dst, content, function(err) {
			if(err) throw err;
		});
	});
}

let toolsDir = __dirname;
let dataDir = toolsDir + "/../data";
let srcDir = toolsDir + "/../src";
let intermediateDir = toolsDir + "/../.intermediate";

embedHtml(srcDir+'/simulator.html', intermediateDir+'/simulator.html.ts');
embedSvg(dataDir+'/climate-zones-map.svg', intermediateDir+'/climate-zones-map.svg.ts');
embedCsv(dataDir+'/climate-zones-data.csv', intermediateDir+'/climate-zones-data.ts');