'use strict';

angular.module('copayApp.controllers').controller('MoreController',
  function($scope, $rootScope, $location, $filter, $timeout, balanceService, notification, rateService, backupService, identityService, isMobile, isCordova, go, pendingTxsService) {
    var w = $rootScope.wallet;
    var max = $rootScope.quotaPerItem;
    $scope.isSafari = isMobile.Safari();
    $scope.isCordova = isCordova;
    $scope.wallet = w;
    $scope.error = null;
    $scope.success = null;

    var bits = w.sizes().total;
    w.kb = $filter('noFractionNumber')(bits / 1000, 1);
    if (max) {
      w.usage = $filter('noFractionNumber')(bits / max * 100, 0);
    }

    $rootScope.title = 'Settings';

    $scope.unitOpts = [{
      name: 'Satoshis (100,000,000 satoshis = 1BTC)',
      shortName: 'SAT',
      value: 1,
      decimals: 0
    }, {
      name: 'bits (1,000,000 bits = 1BTC)',
      shortName: 'bits',
      value: 100,
      decimals: 2
    }, {
      name: 'mBTC (1,000 mBTC = 1BTC)',
      shortName: 'mBTC',
      value: 100000,
      decimals: 5
    }, {
      name: 'BTC',
      shortName: 'BTC',
      value: 100000000,
      decimals: 8
    }];

    $scope.selectedAlternative = {
      name: w.settings.alternativeName,
      isoCode: w.settings.alternativeIsoCode
    };
    $scope.alternativeOpts = rateService.isAvailable() ?
      rateService.listAlternatives() : [$scope.selectedAlternative];

    rateService.whenAvailable(function() {
      $scope.alternativeOpts = rateService.listAlternatives();
      for (var ii in $scope.alternativeOpts) {
        if (w.settings.alternativeIsoCode === $scope.alternativeOpts[ii].isoCode) {
          $scope.selectedAlternative = $scope.alternativeOpts[ii];
        }
      }
    });


    for (var ii in $scope.unitOpts) {
      if (w.settings.unitName === $scope.unitOpts[ii].shortName) {
        $scope.selectedUnit = $scope.unitOpts[ii];
        break;
      }
    }

    $scope.hideAdv = true;
    $scope.hidePriv = true;
    $scope.hideSecret = true;
    if (w) {
      $scope.priv = w.privateKey.toObj().extendedPrivateKeyString;
      $scope.secret = w.getSecret();
    }

    setTimeout(function() {
      $scope.$digest();
    }, 1);

    $scope.save = function() {
      var w = $rootScope.wallet;
      w.changeSettings({
        unitName: $scope.selectedUnit.shortName,
        unitToSatoshi: $scope.selectedUnit.value,
        unitDecimals: $scope.selectedUnit.decimals,
        alternativeName: $scope.selectedAlternative.name,
        alternativeIsoCode: $scope.selectedAlternative.isoCode,
      });
      notification.success('Success', $filter('translate')('settings successfully updated'));
      balanceService.update(w, function() {
        pendingTxsService.update();
        $rootScope.$digest();
      });
    }; 

    $scope.purge = function(deleteAll) {
      var removed = w.purgeTxProposals(deleteAll);
      if (removed) {
        balanceService.update(w, function() {
          $rootScope.$digest();
        }, true);
      }
      notification.info('Transactions Proposals Purged', removed + ' ' + $filter('translate')('transaction proposal purged'));
    };

    $scope.updateIndexes = function() {
      var w = $rootScope.wallet;
      notification.info('Scaning for transactions', 'Using derived addresses from your wallet');
      w.updateIndexes(function(err) {
        notification.info('Scan Ended', 'Updating balance');
        if (err) {
          notification.error('Error', $filter('translate')('Error updating indexes: ') + err);
        }
        balanceService.update(w, function() {
          notification.info('Finished', 'The balance is updated using the derived addresses');
          w.sendIndexes();
          $rootScope.$digest();
        }, true);
      });
    };

    $scope.deleteWallet = function() {
      $scope.loading = true;
      $timeout(function() {
        identityService.deleteWallet(w, function(err) {
          $scope.loading = false;
          if (err) {
            $scope.error = err.message || err;
            copay.logger.warn(err);
            $timeout(function () { $scope.$digest(); });
          } else {
            if ($rootScope.wallet) {
              go.walletHome();
            }
            $timeout(function() {
              notification.success('Success', 'The wallet "' + (w.name || w.id) + '" was deleted');
            });
          }
        });
      }, 100);
    };

    $scope.copyText = function(text) {
      if (isCordova) {
        window.cordova.plugins.clipboard.copy(text);
        window.plugins.toast.showShortCenter('Copied to clipboard');
      }
    };

    $scope.downloadWalletBackup = function() {
      backupService.walletDownload(w);
    };

    $scope.viewWalletBackup = function() {
      $scope.loading = true;
      $timeout(function() {
        $scope.backupWalletPlainText = backupService.walletEncrypted(w);
      }, 100);
    };

    $scope.copyWalletBackup = function() {
      var ew = backupService.walletEncrypted(w);
      window.cordova.plugins.clipboard.copy(ew);
      window.plugins.toast.showShortCenter('Copied to clipboard');
    };

    $scope.sendWalletBackup = function() {
      if (isMobile.Android() || isMobile.Windows()) {
        window.ignoreMobilePause = true;
      }
      window.plugins.toast.showShortCenter('Preparing backup...');
      var name = (w.name || w.id);
      var ew = backupService.walletEncrypted(w);
      var properties = {
        subject: 'Copay Wallet Backup: ' + name,
        body: 'Here is the encrypted backup of the wallet ' 
          + name + ': \n\n' + ew 
          + '\n\n To import this backup, copy all text between {...}, including the symbols {}',
        isHtml:  false
      };
      window.plugin.email.open(properties);
    };

  });