'use strict';

var chai = require('chai');
var expect = chai.expect;
var async = require('async');
var BitcoinRPC = require('bitcoind-rpc');
var path = require('path');
var utils = require('./utils');

var debug = true;
var bitcoreDataDir = '/tmp/bitcore';
var bitcoinDataDir = '/tmp/bitcoin';

var rpcConfig = {
  protocol: 'http',
  user: 'bitcoin',
  pass: 'local321',
  host: '127.0.0.1',
  port: '58332',
  rejectUnauthorized: false
};

var bitcoin = {
  args: {
    datadir: bitcoinDataDir,
    listen: 0,
    regtest: 1,
    server: 1,
    rpcuser: rpcConfig.user,
    rpcpassword: rpcConfig.pass,
    rpcport: rpcConfig.port,
    zmqpubrawtx: 'tcp://127.0.0.1:38332',
    zmqpubhashblock: 'tcp://127.0.0.1:38332'
  },
  datadir: bitcoinDataDir,
  exec: 'bitcoind', //if this isn't on your PATH, then provide the absolute path, e.g. /usr/local/bin/bitcoind
  process: null
};

var bitcore = {
  configFile: {
    file: bitcoreDataDir + '/bitcore-node.json',
    conf: {
      network: 'regtest',
      port: 53001,
      datadir: bitcoreDataDir,
      services: [
        'bitcoind',
        'web',
        'db',
        'timestamp',
        'block',
        'test-timestamp'
      ],
      servicesConfig: {
        bitcoind: {
          connect: [
            {
              rpcconnect: rpcConfig.host,
              rpcport: rpcConfig.port,
              rpcuser: rpcConfig.user,
              rpcpassword: rpcConfig.pass,
              zmqpubrawtx: bitcoin.args.zmqpubrawtx
            }
          ]
        },
        'test-timestamp': {
          requirePath: path.resolve(__dirname + '/test_web.js')
        }
      }
    }
  },
  httpOpts: {
    protocol: 'http:',
    hostname: 'localhost',
    port: 53001,
  },
  opts: { cwd: bitcoreDataDir },
  datadir: bitcoreDataDir,
  exec: path.resolve(__dirname, '../bin/bitcore-node'),
  args: ['start'],
  process: null
};

var opts = {
  debug: debug,
  bitcore: bitcore,
  bitcoin: bitcoin,
  bitcoinDataDir: bitcoinDataDir,
  bitcoreDataDir: bitcoreDataDir,
  rpc: new BitcoinRPC(rpcConfig),
  blockHeight: 0,
  initialHeight: 150
};

describe('Timestamp Index', function() {

  var self = this;
  self.timeout(60000);

  after(function(done) {
    utils.cleanup(self.opts, done);
  });

  before(function(done) {
    self.opts = Object.assign({}, opts);
    async.series([
      utils.startBitcoind.bind(utils, self.opts),
      utils.waitForBitcoinReady.bind(utils, self.opts),
      utils.startBitcoreNode.bind(utils, self.opts),
      utils.waitForBitcoreNode.bind(utils, self.opts),
      function(next) {

        async.timesLimit(opts.initialHeight, 12, function(n, next) {
          utils.queryBitcoreNode(Object.assign({
            path: '/test/block/hash/' + n
          }, bitcore.httpOpts), function(err, res) {

            if(err) {
              return done(err);
            }
            res = JSON.parse(res);
            expect(res.height).to.equal(n);
            expect(res.hash.length).to.equal(64);
            next(null, res.hash);
          });
        }, function(err, hashes) {

          if(err) {
            return next(err);
          }
          self.hashes = hashes;
          next();

        });

      }
    ], done);
  });

  it('should sync block hashes as keys and timestamps as values', function(done) {

    var lastTimestamp = 0;
    async.mapLimit(self.hashes, 12, function(hash, next) {

      utils.queryBitcoreNode(Object.assign({
        path: '/test/timestamp/time/' + hash
      }, bitcore.httpOpts), function(err, res) {

        if(err) {
          return next(err);
        }

        res = JSON.parse(res);
        next(null, res.timestamp);
      });
    }, function(err, timestamps) {

      if(err) {
        return done(err);
      }
      timestamps.forEach(function(timestamp) {
        expect(timestamp).to.be.above(lastTimestamp);
        lastTimestamp = timestamp;
      });
      self.timestamps = timestamps;
      done();

    });
  });

  it('should sync block timestamps as keys and block hashes as values', function(done) {

    async.eachOfLimit(self.timestamps, 12, function(timestamp, index, next) {
      utils.queryBitcoreNode(Object.assign({
        path: '/test/timestamp/hash/' + timestamp
      }, bitcore.httpOpts), function(err, res) {

        if(err) {
          return done(err);
        }

        res = JSON.parse(res);
        expect(res.hash).to.equal(self.hashes[index]);
        expect(res.timestamp).to.equal(timestamp);
        next();
      });
    }, function(err) {

      if(err) {
        return done(err);
      }
      done();

    });

  });

});