import _ from 'lodash'
/* global recurly */

/* eslint-disable
    camelcase,
    max-len,
    no-return-assign,
    no-unused-vars,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
 * decaffeinate suggestions:
 * DS102: Remove unnecessary code created because of implicit returns
 * DS104: Avoid inline assignments
 * DS204: Change includes calls to have a more natural evaluation order
 * DS207: Consider shorter variations of null checks
 * Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
 */
import App from '../base'
const SUBSCRIPTION_URL = '/user/subscription/update'

const ensureRecurlyIsSetup = _.once(() => {
  if (typeof recurly === 'undefined' || !recurly) {
    return false
  }
  recurly.configure(window.recurlyApiKey)
  return true
})

App.controller('MetricsEmailController', function($scope, $http) {
  $scope.institutionEmailSubscription = function(institutionId) {
    var inst = _.find(window.managedInstitutions, function(institution) {
      return institution.v1Id === parseInt(institutionId)
    })
    if (inst.metricsEmail.optedOutUserIds.includes(window.user_id)) {
      return 'Subscribe'
    } else {
      return 'Unsubscribe'
    }
  }

  $scope.changeInstitutionalEmailSubscription = function(institutionId) {
    $scope.subscriptionChanging = true
    return $http({
      method: 'POST',
      url: `/institutions/${institutionId}/emailSubscription`,
      headers: {
        'X-CSRF-Token': window.csrfToken
      }
    }).then(function successCallback(response) {
      window.managedInstitutions = _.map(window.managedInstitutions, function(
        institution
      ) {
        if (institution.v1Id === parseInt(institutionId)) {
          institution.metricsEmail.optedOutUserIds = response.data
        }
        return institution
      })
      $scope.subscriptionChanging = false
    })
  }
})

App.factory('RecurlyPricing', function($q, MultiCurrencyPricing) {
  return {
    loadDisplayPriceWithTax: function(planCode, currency, taxRate) {
      if (!ensureRecurlyIsSetup()) return
      const currencySymbol = MultiCurrencyPricing.plans[currency].symbol
      const pricing = recurly.Pricing()
      return $q(function(resolve, reject) {
        pricing
          .plan(planCode, { quantity: 1 })
          .currency(currency)
          .done(function(price) {
            const totalPriceExTax = parseFloat(price.next.total)
            let taxAmmount = totalPriceExTax * taxRate
            if (isNaN(taxAmmount)) {
              taxAmmount = 0
            }
            let total = totalPriceExTax + taxAmmount
            if (total % 1 !== 0) {
              total = total.toFixed(2)
            }
            resolve(`${currencySymbol}${total}`)
          })
      })
    }
  }
})

App.controller('ChangePlanFormController', function(
  $scope,
  $modal,
  RecurlyPricing
) {
  if (!ensureRecurlyIsSetup()) return

  $scope.changePlan = () =>
    $modal.open({
      templateUrl: 'confirmChangePlanModalTemplate',
      controller: 'ConfirmChangePlanController',
      scope: $scope
    })

  $scope.$watch('plan', function(plan) {
    if (!plan) return
    const planCode = plan.planCode
    const { currency, taxRate } = window.subscription.recurly
    $scope.price = '...' // Placeholder while we talk to recurly
    RecurlyPricing.loadDisplayPriceWithTax(planCode, currency, taxRate).then(
      price => {
        $scope.price = price
      }
    )
  })
})

App.controller('ConfirmChangePlanController', function(
  $scope,
  $modalInstance,
  $http
) {
  $scope.confirmChangePlan = function() {
    const body = {
      plan_code: $scope.plan.planCode,
      _csrf: window.csrfToken
    }

    $scope.inflight = true

    return $http
      .post(`${SUBSCRIPTION_URL}?origin=confirmChangePlan`, body)
      .then(() => location.reload())
      .catch(() => console.log('something went wrong changing plan'))
  }

  return ($scope.cancel = () => $modalInstance.dismiss('cancel'))
})

App.controller('LeaveGroupModalController', function(
  $scope,
  $modalInstance,
  $http
) {
  $scope.confirmLeaveGroup = function() {
    $scope.inflight = true
    return $http({
      url: '/subscription/group/user',
      method: 'DELETE',
      params: { admin_user_id: $scope.admin_id, _csrf: window.csrfToken }
    })
      .then(() => location.reload())
      .catch(() => console.log('something went wrong changing plan'))
  }

  return ($scope.cancel = () => $modalInstance.dismiss('cancel'))
})

App.controller('GroupMembershipController', function($scope, $modal) {
  $scope.removeSelfFromGroup = function(admin_id) {
    $scope.admin_id = admin_id
    return $modal.open({
      templateUrl: 'LeaveGroupModalTemplate',
      controller: 'LeaveGroupModalController',
      scope: $scope
    })
  }
})

App.controller('RecurlySubscriptionController', function($scope) {
  const recurlyIsSetup = ensureRecurlyIsSetup()
  $scope.showChangePlanButton = recurlyIsSetup && !window.subscription.groupPlan
  $scope.recurlyLoadError = !recurlyIsSetup

  $scope.switchToDefaultView = () => {
    $scope.showCancellation = false
    $scope.showChangePlan = false
  }
  $scope.switchToDefaultView()

  $scope.switchToCancellationView = () => {
    $scope.showCancellation = true
    $scope.showChangePlan = false
  }

  $scope.switchToChangePlanView = () => {
    $scope.showCancellation = false
    $scope.showChangePlan = true
  }
})

App.controller('RecurlyCancellationController', function(
  $scope,
  RecurlyPricing,
  $http
) {
  if (!ensureRecurlyIsSetup()) return
  const subscription = window.subscription
  const sevenDaysTime = new Date()
  sevenDaysTime.setDate(sevenDaysTime.getDate() + 7)
  const freeTrialEndDate = new Date(subscription.recurly.trial_ends_at)
  const freeTrialInFuture = freeTrialEndDate > new Date()
  const freeTrialExpiresUnderSevenDays = freeTrialEndDate < sevenDaysTime

  const isMonthlyCollab =
    subscription.plan.planCode.indexOf('collaborator') !== -1 &&
    subscription.plan.planCode.indexOf('ann') === -1 &&
    !subscription.groupPlan
  const stillInFreeTrial = freeTrialInFuture && freeTrialExpiresUnderSevenDays

  if (isMonthlyCollab && stillInFreeTrial) {
    $scope.showExtendFreeTrial = true
  } else if (isMonthlyCollab && !stillInFreeTrial) {
    $scope.showDowngradeToStudent = true
  } else {
    $scope.showBasicCancel = true
  }

  const { currency, taxRate } = window.subscription.recurly
  $scope.studentPrice = '...' // Placeholder while we talk to recurly
  RecurlyPricing.loadDisplayPriceWithTax('student', currency, taxRate).then(
    price => {
      $scope.studentPrice = price
    }
  )

  $scope.downgradeToStudent = function() {
    const body = {
      plan_code: 'student',
      _csrf: window.csrfToken
    }
    $scope.inflight = true
    return $http
      .post(`${SUBSCRIPTION_URL}?origin=downgradeToStudent`, body)
      .then(() => location.reload())
      .catch(() => console.log('something went wrong changing plan'))
  }

  $scope.cancelSubscription = function() {
    const body = { _csrf: window.csrfToken }

    $scope.inflight = true
    return $http
      .post('/user/subscription/cancel', body)
      .then(() => (location.href = '/user/subscription/canceled'))
      .catch(() => console.log('something went wrong changing plan'))
  }

  $scope.extendTrial = function() {
    const body = { _csrf: window.csrfToken }
    $scope.inflight = true
    return $http
      .put('/user/subscription/extend', body)
      .then(() => location.reload())
      .catch(() => console.log('something went wrong changing plan'))
  }
})