/*
 * decaffeinate suggestions:
 * DS101: Remove unnecessary use of Array.from
 * DS102: Remove unnecessary code created because of implicit returns
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
'use strict';

Application.Controllers.controller("PlansIndexController", ["$scope", "$rootScope", "$state", '$uibModal', 'Auth', 'dialogs', 'growl', 'plansPromise', 'groupsPromise', 'Subscription', 'Member', 'subscriptionExplicationsPromise', '_t', 'Wallet', 'helpers'
, function($scope, $rootScope, $state, $uibModal, Auth, dialogs, growl, plansPromise, groupsPromise, Subscription, Member, subscriptionExplicationsPromise, _t, Wallet, helpers) {



    /* PUBLIC SCOPE */

    //# list of groups
    let plan;
    $scope.groups = groupsPromise.filter(g => (g.slug !== 'admins') & !g.disabled);

    //# default : do not show the group changing form
    //# group ID of the current/selected user
    $scope.group = {
        change: false,
        id: null
      };

    //# list of plans, classified by group
    $scope.plansClassifiedByGroup = [];
    for (var group of Array.from($scope.groups)) {
      const groupObj = { id: group.id, name: group.name, plans: [] };
      for (plan of Array.from(plansPromise)) {
        if (plan.group_id === group.id) { groupObj.plans.push(plan); }
      }
      $scope.plansClassifiedByGroup.push(groupObj);
    }

    //# user to deal with
    $scope.ctrl = {
      member: null,
      member_id: null
    };

    //# already subscribed plan of the current user
    $scope.paid =
        {plan: null};

    //# plan to subscribe (shopping cart)
    $scope.selectedPlan = null;

    //# Discount coupon to apply to the basket, if any
    $scope.coupon =
      {applied: null};

    //# Storage for the total price (plan price + coupon, if any)
    $scope.cart =
      {total: null};

    //# text that appears in the bottom-right box of the page (subscriptions rules details)
    $scope.subscriptionExplicationsAlert = subscriptionExplicationsPromise.setting.value;

    //#
    // Callback to deal with the subscription of the user selected in the dropdown list instead of the current user's
    // subscription. (admins only)
    //#
    $scope.updateMember = function() {
      $scope.selectedPlan = null;
      $scope.paid.plan = null;
      $scope.group.change = false;
      return Member.get({id: $scope.ctrl.member.id}, function(member) {
        $scope.ctrl.member = member;
        return $scope.group.id = $scope.ctrl.member.group_id;
      });
    };




    //#
    // Add the provided plan to the shopping basket
    // @param plan {Object} The plan to subscribe to
    //#
    $scope.selectPlan = function(plan) {
      if ($scope.isAuthenticated()) {
        if ($scope.selectedPlan !== plan) {
          $scope.selectedPlan = plan;
          return updateCartPrice();
        } else {
          return $scope.selectedPlan = null;
        }
      } else {
        return $scope.login();
      }
    };



    //#
    // Callback to trigger the payment process of the subscription
    //#
    $scope.openSubscribePlanModal = () =>
      Wallet.getWalletByUser({user_id: $scope.ctrl.member.id}, function(wallet) {
        const amountToPay = helpers.getAmountToPay($scope.cart.total, wallet.amount);
        if (($scope.currentUser.role !== 'admin') && (amountToPay > 0)) {
          return payByStripe();
        } else {
          if (($scope.currentUser.role === 'admin') || (amountToPay === 0)) {
            return payOnSite();
          }
        }
      })
    ;



    //#
    // Return the group object, identified by the ID set in $scope.group.id
    //#
    $scope.getUserGroup = function() {
      for (group of Array.from($scope.groups)) {
        if (group.id === $scope.group.id) {
          return group;
        }
      }
    };



    //#
    // Change the group of the current/selected user to the one set in $scope.group.id
    //#
    $scope.selectGroup = () =>
      Member.update({id: $scope.ctrl.member.id}, {user: {group_id: $scope.group.id}}, function(user) {
        $scope.ctrl.member = user;
        $scope.group.change = false;
        if ($scope.currentUser.role !== 'admin') {
          $rootScope.currentUser = user;
          Auth._currentUser.group_id = user.group_id;
          return growl.success(_t('your_group_was_successfully_changed'));
        } else {
          return growl.success(_t('the_user_s_group_was_successfully_changed'));
        }
      }
      , function(err) {
        if ($scope.currentUser.role !== 'admin') {
          growl.error(_t('an_error_prevented_your_group_from_being_changed'));
        } else {
          growl.error(_t('an_error_prevented_to_change_the_user_s_group'));
        }
        return console.error(err);
      })
    ;


    //#
    // Return an enumerable meaninful string for the gender of the provider user
    // @param user {Object} Database user record
    // @return {string} 'male' or 'female'
    //#
    $scope.getGender = function(user) {
      if (user && user.profile) {
        if (user.profile.gender === "true") { return 'male'; } else { return 'female'; }
      } else { return 'other'; }
    };



    //#
    // Test if the provided date is in the future
    // @param dateTime {Date}
    // @return {boolean}
    //#
    $scope.isInFuture = function(dateTime){
      if (moment().diff(moment(dateTime)) < 0) {
        return true;
      } else {
        return false;
      }
    };



    //#
    // To use as callback in Array.prototype.filter to get only enabled plans
    //#
    $scope.filterDisabledPlans = plan => !plan.disabled;



    /* PRIVATE SCOPE */

    //#
    // Kind of constructor: these actions will be realized first when the controller is loaded
    //#
    const initialize = function() {
      if ($scope.currentUser) {
        if ($scope.currentUser.role !== 'admin') {
          $scope.ctrl.member = $scope.currentUser;
          $scope.paid.plan = $scope.currentUser.subscribed_plan;
          $scope.group.id = $scope.currentUser.group_id;
        }
      }

      $scope.$on('devise:new-session', (event, user)=> $scope.ctrl.member = user);

      // watch when a coupon is applied to re-compute the total price
      return $scope.$watch('coupon.applied', function(newValue, oldValue) {
        if ((newValue !== null) || (oldValue !== null)) {
          return updateCartPrice();
        }
      });
    };



    //#
    // Compute the total amount for the current reservation according to the previously set parameters
    // and assign the result in $scope.reserve.amountTotal
    //#
    var updateCartPrice = function() {
      // first we check that a user was selected
      if (Object.keys($scope.ctrl.member).length > 0) {
        $scope.cart.total = $scope.selectedPlan.amount;
        // apply the coupon if any
        if ($scope.coupon.applied) {
          let discount;
          if ($scope.coupon.applied.type === 'percent_off') {
            discount = ($scope.cart.total * $scope.coupon.applied.percent_off) / 100;
          } else if ($scope.coupon.applied.type === 'amount_off') {
            discount =  $scope.coupon.applied.amount_off;
          }
          return $scope.cart.total -= discount;
        }
      } else {
        return $scope.reserve.amountTotal = null;
      }
    };


    //#
    // Open a modal window which trigger the stripe payment process
    //#
    var payByStripe = () =>
      $uibModal.open({
        templateUrl: '<%= asset_path "stripe/payment_modal.html" %>',
        size: 'md',
        resolve: {
          selectedPlan() { return $scope.selectedPlan; },
          member() { return $scope.ctrl.member; },
          price() { return $scope.cart.total; },
          wallet() {
            return Wallet.getWalletByUser({user_id: $scope.ctrl.member.id}).$promise;
          },
          coupon() { return $scope.coupon.applied; }
        },
        controller: ['$scope', '$uibModalInstance', '$state', 'selectedPlan', 'member', 'price', 'Subscription', 'CustomAsset', 'wallet', 'helpers', '$filter', 'coupon',
        function($scope, $uibModalInstance, $state, selectedPlan, member, price, Subscription, CustomAsset, wallet, helpers, $filter, coupon) {
          // User's wallet amount
          $scope.walletAmount = wallet.amount;

          // Final price to pay by the user
          $scope.amount = helpers.getAmountToPay(price, wallet.amount);

          // The plan that the user is about to subscribe
          $scope.selectedPlan = selectedPlan;

          // Used in wallet info template to interpolate some translations
          $scope.numberFilter = $filter('number');

          // retrieve the CGV
          CustomAsset.get({name: 'cgv-file'}, cgv => $scope.cgv = cgv.custom_asset);

          //#
          // Callback for click on the 'proceed' button.
          // Handle the stripe's card tokenization process response and save the subscription to the API with the
          // card token just created.
          //#
          return $scope.payment = function(status, response) {
            if (response.error) {
              return growl.error(response.error.message);
            } else {
              $scope.attempting = true;
              return Subscription.save({
                coupon_code: ((coupon ? coupon.code : undefined)),
                subscription: {
                  plan_id: selectedPlan.id,
                  user_id: member.id,
                  card_token: response.id
                }
              }
              , (data, status) => // success
                $uibModalInstance.close(data)
              
              , function(data, status) { // failed
                $scope.alerts = [];
                $scope.alerts.push({msg: _t('an_error_occured_during_the_payment_process_please_try_again_later'), type: 'danger' });
                return $scope.attempting = false;
              });
            }
          };
        }
        ]})
      .result['finally'](null).then(function(subscription){
        $scope.ctrl.member.subscribed_plan = angular.copy($scope.selectedPlan);
        Auth._currentUser.subscribed_plan = angular.copy($scope.selectedPlan);
        $scope.paid.plan = angular.copy($scope.selectedPlan);
        $scope.selectedPlan = null;
        return $scope.coupon.applied = null;
      })
    ;



    //#
    // Open a modal window which trigger the local payment process
    //#
    var payOnSite = () =>
      $uibModal.open({
        templateUrl: '<%= asset_path "plans/payment_modal.html" %>',
        size: 'sm',
        resolve: {
          selectedPlan() { return $scope.selectedPlan; },
          member() { return $scope.ctrl.member; },
          price() { return $scope.cart.total; },
          wallet() {
            return Wallet.getWalletByUser({user_id: $scope.ctrl.member.id}).$promise;
          },
          coupon() { return $scope.coupon.applied; }
        },
        controller: ['$scope', '$uibModalInstance', '$state', 'selectedPlan', 'member', 'price', 'Subscription', 'wallet', 'helpers', '$filter', 'coupon',
        function($scope, $uibModalInstance, $state, selectedPlan, member, price, Subscription, wallet, helpers, $filter, coupon) {
          // user wallet amount
          $scope.walletAmount = wallet.amount;

          // subcription price, coupon subtracted if any
          $scope.price = price;

          // price to pay
          $scope.amount = helpers.getAmountToPay($scope.price, wallet.amount);

          // Used in wallet info template to interpolate some translations
          $scope.numberFilter = $filter('number');

          // The plan that the user is about to subscribe
          $scope.plan = selectedPlan;

          // The member who is subscribing a plan
          $scope.member = member;

          // Button label
          if ($scope.amount > 0) {
            $scope.validButtonName = _t('confirm_payment_of_html', {ROLE:$scope.currentUser.role, AMOUNT:$filter('currency')($scope.amount)}, "messageformat");
          } else {
            if ((price.price > 0) && ($scope.walletAmount === 0)) {
              $scope.validButtonName = _t('confirm_payment_of_html', {ROLE:$scope.currentUser.role, AMOUNT:$filter('currency')(price.price)}, "messageformat");
            } else {
              $scope.validButtonName = _t('confirm');
            }
          }

          //#
          // Callback for the 'proceed' button.
          // Save the subscription to the API
          //#
          $scope.ok = function() {
            $scope.attempting = true;
            return Subscription.save({
              coupon_code: ((coupon ? coupon.code : undefined)),
              subscription: {
                plan_id: selectedPlan.id,
                user_id: member.id
              }
            }
            , (data, status) => // success
              $uibModalInstance.close(data)
            
            , function(data, status) { // failed
              $scope.alerts = [];
              $scope.alerts.push({msg: _t('an_error_occured_during_the_payment_process_please_try_again_later'), type: 'danger' });
              return $scope.attempting = false;
            });
          };

          //#
          // Callback for the 'cancel' button.
          // Close the modal box.
          //#
          return $scope.cancel = () => $uibModalInstance.dismiss('cancel');
        }
        ]})
      .result['finally'](null).then(function(reservation){
        $scope.ctrl.member.subscribed_plan = angular.copy($scope.selectedPlan);
        Auth._currentUser.subscribed_plan = angular.copy($scope.selectedPlan);
        $scope.ctrl.member = null;
        $scope.paid.plan = angular.copy($scope.selectedPlan);
        $scope.selectedPlan = null;
        return $scope.coupon.applied = null;
      })
    ;



    //# !!! MUST BE CALLED AT THE END of the controller
    return initialize();
  }
]);