'use strict';

angular.module('copayApp.controllers').controller('walletHomeController', function($scope, $rootScope, $timeout, $filter, $modal, notification, txStatus, isCordova, profileService, lodash) {


  $scope.openCopayersModal = function(copayers, copayerId) {
    var fc = profileService.focusedClient;
    var ModalInstanceCtrl = function($scope, $modalInstance) {
      $scope.copayers = copayers;
      $scope.copayerId = copayerId;
      $scope.color = fc.backgroundColor;
      $scope.cancel = function() {
        $modalInstance.dismiss('cancel');
      };
    };
    $modal.open({
      templateUrl: 'views/modals/copayers.html',
      windowClass: 'full',
      controller: ModalInstanceCtrl,
    });
  };



  $scope.openTxModal = function(tx, copayers) {
    var fc = profileService.focusedClient;
    var ModalInstanceCtrl = function($scope, $modalInstance) {
      $scope.error = null;
      $scope.tx = tx;
      $scope.amountStr = tx.amountStr;
      $scope.alternativeAmountStr = tx.alternativeAmountStr;
      $scope.copayers = copayers
      $scope.loading = null;
      $scope.color = fc.backgroundColor;

      $scope.getShortNetworkName = function() {
        return fc.credentials.networkName.substring(0, 4);
      };

      lodash.each(['TxProposalRejectedBy', 'TxProposalAcceptedBy', 'transactionProposalRemoved', 'TxProposalRemoved'], function(eventName) {
        $rootScope.$on(eventName, function() {
          fc.getTx($scope.tx.id, function(err, tx) {
            if (err) {

              if (err.code && err.code == 'BADREQUEST' &&
                (eventName == 'transactionProposalRemoved' || eventName == 'TxProposalRemoved')) {
                $scope.tx.removed = true;
                $scope.tx.couldRemove = false;
                $scope.tx.pendingForUs = false;
                $scope.$apply();
                return;
              }
              return;
            }

            var action = lodash.find(tx.actions, {
              copayerId: fc.credentials.copayerId
            });
            $scope.tx = tx;
            if (!action && tx.status == 'pending')
              $scope.tx.pendingForUs = true;
            $scope.updateCopayerList();
            $scope.$apply();
          });
        });
      });

      $scope.updateCopayerList = function() {
        lodash.map($scope.copayers, function(cp) {
          lodash.each($scope.tx.actions, function(ac) {
            if (cp.id == ac.copayerId) {
              cp.action = ac.type;
            }
          });
        });
      };

      $scope.sign = function(txp) {
        var fc = profileService.focusedClient;
        if (fc.isPrivKeyEncrypted()) {
          profileService.unlockFC(function(err) {
            if (err) {
              $scope.error = err;
              return;
            }
            return $scope.sign(txp);
          });
          return;
        };

        if (isCordova) {
          window.plugins.spinnerDialog.show(null, 'Signing transaction...', true);
        }
        $scope.loading = true;
        $scope.error = null;
        $timeout(function() {
          fc.signTxProposal(txp, function(err, txpsi) {
            profileService.lockFC();
            if (isCordova) {
              window.plugins.spinnerDialog.hide();
            }
            $scope.loading = false;
            if (err) {
              $scope.error = err.message || 'Transaction not signed. Please try again.';
              $scope.$digest();
            } else {
              //if txp has required signatures then broadcast it
              var txpHasRequiredSignatures = txpsi.status == 'accepted';
              if (txpHasRequiredSignatures) {
                fc.broadcastTxProposal(txpsi, function(err, txpsb) {
                  if (err) {
                    $scope.error = 'Transaction not broadcasted. Please try again.';
                    $scope.$digest();
                  } else {
                    $modalInstance.close(txpsb);
                  }
                });
              } else {
                $modalInstance.close(txpsi);
              }
            }
          });
        }, 100);
      };

      $scope.reject = function(txp) {
        if (isCordova) {
          window.plugins.spinnerDialog.show(null, 'Rejecting transaction...', true);
        }
        $scope.loading = true;
        $scope.error = null;
        $timeout(function() {
          fc.rejectTxProposal(txp, null, function(err, txpr) {
            if (isCordova) {
              window.plugins.spinnerDialog.hide();
            }
            $scope.loading = false;
            if (err) {
              $scope.error = err.message || 'Transaction not rejected. Please try again.';
              $scope.$digest();
            } else {
              $modalInstance.close(txpr);
            }
          });
        }, 100);
      };


      $scope.remove = function(txp) {
        if (isCordova) {
          window.plugins.spinnerDialog.show(null, 'Deleting transaction...', true);
        }
        $scope.loading = true;
        $scope.error = null;
        $timeout(function() {
          fc.removeTxProposal(txp, function(err, txpb) {
            if (isCordova) {
              window.plugins.spinnerDialog.hide();
            }
            $scope.loading = false;

            // Hacky: request tries to parse an empty response
            if (err && !(err.message && err.message.match(/Unexpected/)) ) {
              $scope.error = err.message || 'Transaction could not be deleted. Please try again.';
              $scope.$digest();
              return;
            } 
            $modalInstance.close();
          });
        }, 100);
      };

      $scope.broadcast = function(txp) {
        if (isCordova) {
          window.plugins.spinnerDialog.show(null, 'Sending transaction...', true);
        }
        $scope.loading = true;
        $scope.error = null;
        $timeout(function() {
          fc.broadcastTxProposal(txp, function(err, txpb) {
            if (isCordova) {
              window.plugins.spinnerDialog.hide();
            }
            $scope.loading = false;
            if (err) {
              $scope.error = err.message || 'Transaction not sent. Please try again.';
              $scope.$digest();
            } else {
              $modalInstance.close(txpb);
            }
          });
        }, 100);
      };

      $scope.cancel = function() {
        $modalInstance.close();
      };
    };

    var modalInstance = $modal.open({
      templateUrl: 'views/modals/txp-details.html',
      windowClass: 'full',
      controller: ModalInstanceCtrl,
    });

    modalInstance.result.then(function(txp) {
      if (txp) {
        txStatus.notify(txp);
      }
      $scope.$emit('Local/TxProposalAction');
    });

  };

});