var redis = require('redis');
var async = require('async');

var stats = require('./stats.js');

module.exports = function(logger, portalConfig, poolConfigs){

    var _this = this;

    var portalStats = this.stats = new stats(logger, portalConfig, poolConfigs);

    this.liveStatConnections = {};

    this.handleApiRequest = function(req, res, next){

        switch(req.params.method){
            case 'stats':
                res.end(portalStats.statsString);
                return;
            case 'pool_stats':
                res.end(JSON.stringify(portalStats.statPoolHistory));
                return;
            case 'payments':
                var poolBlocks = [];
                for(var pool in portalStats.stats.pools) {
                    poolBlocks.push({name: pool, pending: portalStats.stats.pools[pool].pending, payments: portalStats.stats.pools[pool].payments});
                }
                res.end(JSON.stringify(poolBlocks));
                return;
			case 'worker_stats':
				if (req.url.indexOf("?")>0) {
				var url_parms = req.url.split("?");
				if (url_parms.length > 0) {
					var history = {};
					var workers = {};
					var address = url_parms[1] || null;
					//res.end(portalStats.getWorkerStats(address));
					if (address != null && address.length > 0) {
						// make sure it is just the miners address
						address = address.split(".")[0];
						// get miners balance along with worker balances
						portalStats.getBalanceByAddress(address, function(balances) {
							// get current round share total
							portalStats.getTotalSharesByAddress(address, function(shares) {								
								var totalHash = parseFloat(0.0);
								var totalShares = shares;
								var networkSols = 0;
								for (var h in portalStats.statHistory) {
									for(var pool in portalStats.statHistory[h].pools) {
										for(var w in portalStats.statHistory[h].pools[pool].workers){
											if (w.startsWith(address)) {
												if (history[w] == null) {
													history[w] = [];
												}
												if (portalStats.statHistory[h].pools[pool].workers[w].hashrate) {
													history[w].push({time: portalStats.statHistory[h].time, hashrate:portalStats.statHistory[h].pools[pool].workers[w].hashrate});
												}
											}
										}
										// order check...
										//console.log(portalStats.statHistory[h].time);
									}
								}
								for(var pool in portalStats.stats.pools) {
								  for(var w in portalStats.stats.pools[pool].workers){
									  if (w.startsWith(address)) {
										workers[w] = portalStats.stats.pools[pool].workers[w];
										for (var b in balances.balances) {
											if (w == balances.balances[b].worker) {
                                                workers[w].paid = balances.balances[b].paid;
                                                workers[w].balance = balances.balances[b].balance;
											}
										}
										workers[w].balance = (workers[w].balance || 0);
										workers[w].paid = (workers[w].paid || 0);
										totalHash += portalStats.stats.pools[pool].workers[w].hashrate;
										networkSols = portalStats.stats.pools[pool].poolStats.networkSols;
									  }
								  }
								}
								res.end(JSON.stringify({miner: address, totalHash: totalHash, totalShares: totalShares, networkSols: networkSols, balance: balances.totalHeld, paid: balances.totalPaid, workers: workers, history: history}));
							});
						});
					} else {
						res.end(JSON.stringify({result: "error"}));
					}
				} else {
					res.end(JSON.stringify({result: "error"}));
				}
				} else {
					res.end(JSON.stringify({result: "error"}));
				}
                return;
            case 'live_stats':
                res.writeHead(200, {
                    'Content-Type': 'text/event-stream',
                    'Cache-Control': 'no-cache',
                    'Connection': 'keep-alive'
                });
                res.write('\n');
                var uid = Math.random().toString();
                _this.liveStatConnections[uid] = res;
                req.on("close", function() {
                    delete _this.liveStatConnections[uid];
                });
                return;
            default:
                next();
        }
    };

    this.handleAdminApiRequest = function(req, res, next){
        switch(req.params.method){
            case 'pools': {
                res.end(JSON.stringify({result: poolConfigs}));
                return;
            }
            default:
                next();
        }
    };

};