'use strict'

var http = require('http')
var url = require('url')
var config = require('./config')

class TinyCacheServer {
	constructor(host, port){
		this.host = host
		this.port = port

		this.projects = {}

		this.server = http.createServer((req, res) => {
			this._handleRequest(req, res)
		})
		this.server.listen(this.port, this.host)
	}
	_handleRequest(req, res){
		var path = url.parse(req.url).path

		var project = path.split('/')[1]
		var method = path.split('/')[2]
		var key = path.split('/')[3]

		switch (method){
			case 'get':
				this._get(req, res, project, key)
				return
			case 'set':
				this._set(req, res, project, key)
				return
			case 'remove':
				this._remove(req, res, project, key)
				return
			default:
				res.end()
		}
	}
	_get(req, res, project, key){
		if(!project || !key || !this.projects[project] || !this.projects[project][key]) {
			res.end()
			return
		}

		res.end(JSON.stringify(this.projects[project][key]))
	}
	_set(req, res, project, key){
		var chunks = []

		req.on('data', (chunk) => {
			chunks.push(chunk)
		})
		.on('end', () => {
			var body = Buffer.concat(chunks).toString('utf-8').split('=')

			if(body[0] !== 'value' || !key || !project){
				res.end()
				return
			}
			var data = JSON.parse(decodeURIComponent(body[1]))

			if(!this.projects[project]){
				this.projects[project] = {}
			}
			this.projects[project][key] = data

			res.end()
		})
	}
	_remove(req, res, project, key){
		res.end()

		if(!project || !key || !this.data[key]) {
			return
		}

		if(this.projects[project]){
			delete  this.projects[project][key]
		}
	}
}

new TinyCacheServer(config.host, config.port)