'use strict';

angular.module('copayApp.controllers').controller('bitpayCardController', function($scope, $timeout, $log, lodash, bitpayCardService, configService, profileService, walletService, ongoingProcess, pbkdf2Service, moment, popupService, gettextCatalog, bwcError) {

  var self = this;
  $scope.dateRange = 'last30Days';
  $scope.network = bitpayCardService.getEnvironment();

  bitpayCardService.getCacheData(function(err, data) {
    if (err || lodash.isEmpty(data)) return;
    $scope.bitpayCardCached = true;
    self.bitpayCardTransactionHistory = data.transactions;
    self.bitpayCardCurrentBalance = data.balance;
  });

  var processTransactions = function(invoices, history) {
    for (var i = 0; i < invoices.length; i++) {
      var matched = false;
      for (var j = 0; j < history.length; j++) {
        if (history[j].description[0].indexOf(invoices[i].id) > -1) {
          matched = true;
        }
      }
      if (!matched && ['paid', 'confirmed', 'complete'].indexOf(invoices[i].status) > -1) {

        history.unshift({
          timestamp: invoices[i].invoiceTime,
          description: invoices[i].itemDesc,
          amount: invoices[i].price,
          type: '00611 = Client Funded Deposit',
          pending: true,
          status: invoices[i].status
        });
      }
    }
    return history;
  };

  var setDateRange = function(preset) {
    var startDate, endDate;
    preset = preset || 'last30Days';
    switch(preset) {
      case 'last30Days':
        startDate = moment().subtract(30, 'days').toISOString();
        endDate = moment().toISOString();
        break;
      case 'lastMonth':
        startDate = moment().startOf('month').subtract(1, 'month').toISOString();
        endDate = moment().startOf('month').toISOString();
        break;
      case 'all':
        startDate = null;
        endDate = null;
        break;
      default:
        return;
    }
    return {
      startDate: startDate,
      endDate: endDate
    };
  };

  this.update = function() {
    var dateRange = setDateRange($scope.dateRange);
    self.loadingSession = true;
    bitpayCardService.isAuthenticated(function(err, bpSession) {
      self.loadingSession = false;
      if (err) {
        return;
      }

      self.bitpayCardAuthenticated = bpSession.isAuthenticated;
      self.bitpayCardTwoFactorPending = bpSession.twoFactorPending ? true : false;

      if (self.bitpayCardTwoFactorPending) return;

      if (self.bitpayCardAuthenticated) {
        $scope.loadingHistory = true;
        bitpayCardService.invoiceHistory(function(err, invoices) {
          if (err) $log.error(err);
          bitpayCardService.transactionHistory(dateRange, function(err, history) {
            $scope.loadingHistory = false;
            if (err) {
              popupService.showAlert(gettextCatalog.getString('Error'), gettextCatalog.getString('Could not get transactions'));
              return;
            }

            self.bitpayCardTransactionHistory = processTransactions(invoices, history.transactionList);
            self.bitpayCardCurrentBalance = history.currentCardBalance;

            var cacheData = {
              balance: self.bitpayCardCurrentBalance,
              transactions: self.bitpayCardTransactionHistory
            };
            bitpayCardService.setCacheData(cacheData, function(err) {
              if (err) $log.error(err);
            });
          });
        });
      }
      $timeout(function() {
        $scope.$apply();
      });
    });
  };

  this.authenticate = function(email, password) {

    var data = {
      emailAddress : email,
      hashedPassword : pbkdf2Service.pbkdf2Sync(password, '..............', 200, 64).toString('hex')
    };

    // POST /authenticate
    // emailAddress:
    // hashedPassword:
    self.authenticating = true;
    bitpayCardService.authenticate(data, function(err, auth) {
      self.authenticating = false;
      if (err && err.data && err.data.error && !err.data.error.twoFactorPending) {
        popupService.showAlert(gettextCatalog.getString('Error'), err.statusText || err.data.error || 'Authentiation error');
        return;
      }

      self.update();
      $timeout(function() {
        $scope.$apply();
      }, 100);
    });
  };

  this.authenticate2FA = function(twoFactorCode) {

    var data = {
      twoFactorCode : twoFactorCode
    };

    self.authenticating = true;
    bitpayCardService.authenticate2FA(data, function(err, auth) {
      self.authenticating = false;
      if (err) {
        popupService.showAlert(gettextCatalog.getString('Error'), gettextCatalog.getString('Authentiation error'));
        return;
      }

      self.update();
      $timeout(function() {
        $scope.$apply();
      }, 100);
    });
  };

  this.getMerchantInfo = function(tx) {
    var bpTranCodes = bitpayCardService.bpTranCodes;
    lodash.keys(bpTranCodes).forEach(function(code) {
      if (tx.type.indexOf(code) === 0) {
        lodash.assign(tx, bpTranCodes[code]);
      }
    });
  };

  this.getIconName = function(tx) {
    var icon = tx.mcc || tx.category || null;
    if (!icon) return 'default';
    return bitpayCardService.iconMap[icon];
  };

  this.processDescription = function(tx) {
    if (lodash.isArray(tx.description)) {
      return tx.description[0];
    }
    return tx.description;
  };

  $scope.$on("$ionicView.beforeEnter", function(event, data){
    self.update();
  });

});