<template lang='pug'>
  v-container(fluid, grid-list-lg)
    v-layout(row, wrap)
      v-flex(xs12)
        .admin-header
          img.animated.fadeInUp(src='/svg/icon-unlock.svg', alt='Authentication', style='width: 80px;')
          .admin-header-title
            .headline.primary--text.animated.fadeInLeft Authentication
            .subheading.grey--text.animated.fadeInLeft.wait-p4s Configure the authentication settings of your wiki
          v-spacer
          v-btn.animated.fadeInDown.wait-p2s(outline, color='grey', @click='refresh', large)
            v-icon refresh
          v-btn.animated.fadeInDown(color='success', @click='save', depressed, large)
            v-icon(left) check
            span {{$t('common:actions.apply')}}

      v-flex(lg3, xs12)
        v-card.animated.fadeInUp
          v-toolbar(flat, color='primary', dark, dense)
            .subheading Strategies
          v-list(two-line, dense).py-0
            template(v-for='(str, idx) in strategies')
              v-list-tile(:key='str.key', @click='selectedStrategy = str.key', :disabled='!str.isAvailable')
                v-list-tile-avatar
                  v-icon(color='grey', v-if='!str.isAvailable') indeterminate_check_box
                  v-icon(color='primary', v-else-if='str.isEnabled && str.key !== `local`', v-ripple, @click='str.isEnabled = false') check_box
                  v-icon(color='primary', v-else-if='str.isEnabled && str.key === `local`') check_box
                  v-icon(color='grey', v-else, v-ripple, @click='str.isEnabled = true') check_box_outline_blank
                v-list-tile-content
                  v-list-tile-title.body-2(:class='!str.isAvailable ? `grey--text` : (selectedStrategy === str.key ? `primary--text` : ``)') {{ str.title }}
                  v-list-tile-sub-title.caption(:class='!str.isAvailable ? `grey--text text--lighten-1` : (selectedStrategy === str.key ? `blue--text ` : ``)') {{ str.description }}
                v-list-tile-avatar(v-if='selectedStrategy === str.key')
                  v-icon.animated.fadeInLeft(color='primary') arrow_forward_ios
              v-divider(v-if='idx < strategies.length - 1')

        v-card.wiki-form.mt-3.animated.fadeInUp.wait-p2s
          v-toolbar(flat, color='primary', dark, dense)
            .subheading Global Advanced settings
          v-card-text
            v-text-field.md2(
              v-model='jwtAudience'
              outline
              prepend-icon='account_balance'
              label='JWT Audience'
              hint='Audience URN used in JWT issued upon login. Usually your domain name. (e.g. urn:your.domain.com)'
              persistent-hint
            )
            v-text-field.mt-3.md2(
              v-model='jwtExpiration'
              outline
              prepend-icon='schedule'
              label='Token Expiration'
              hint='The expiration period of a token until it must be renewed. (default: 30m)'
              persistent-hint
            )
            v-text-field.mt-3.md2(
              v-model='jwtRenewablePeriod'
              outline
              prepend-icon='update'
              label='Token Renewal Period'
              hint='The maximum period a token can be renewed when expired. (default: 14d)'
              persistent-hint
            )

      v-flex(xs12, lg9)

        v-card.wiki-form.animated.fadeInUp.wait-p2s
          v-toolbar(color='primary', dense, flat, dark)
            .subheading {{strategy.title}}
          v-card-text
            v-form
              .authlogo
                img(:src='strategy.logo', :alt='strategy.title')
              .caption.pt-3 {{strategy.description}}
              .caption.pb-3: a(:href='strategy.website') {{strategy.website}}
              .body-2(v-if='strategy.isEnabled')
                span This strategy is
                v-chip(color='green', small, dark, label) active
                span(v-if='selectedStrategy === `local`') and cannot be disabled.
              .body-2(v-else)
                span This strategy is
                v-chip(color='red', small, dark, label) not active
              v-divider.mt-3
              v-subheader.pl-0 Strategy Configuration
              .body-1.ml-3(v-if='!strategy.config || strategy.config.length < 1'): em This strategy has no configuration options you can modify.
              template(v-else, v-for='cfg in strategy.config')
                v-select(
                  v-if='cfg.value.type === "string" && cfg.value.enum'
                  outline
                  background-color='grey lighten-2'
                  :items='cfg.value.enum'
                  :key='cfg.key'
                  :label='cfg.value.title'
                  v-model='cfg.value.value'
                  prepend-icon='settings_applications'
                  :hint='cfg.value.hint ? cfg.value.hint : ""'
                  persistent-hint
                  :class='cfg.value.hint ? "mb-2" : ""'
                )
                v-switch.mb-3(
                  v-else-if='cfg.value.type === "boolean"'
                  :key='cfg.key'
                  :label='cfg.value.title'
                  v-model='cfg.value.value'
                  color='primary'
                  prepend-icon='settings_applications'
                  :hint='cfg.value.hint ? cfg.value.hint : ""'
                  persistent-hint
                  )
                v-text-field(
                  v-else
                  outline
                  background-color='grey lighten-2'
                  :key='cfg.key'
                  :label='cfg.value.title'
                  v-model='cfg.value.value'
                  prepend-icon='settings_applications'
                  :hint='cfg.value.hint ? cfg.value.hint : ""'
                  persistent-hint
                  :class='cfg.value.hint ? "mb-2" : ""'
                  )
              v-divider.mt-3
              v-subheader.pl-0 Registration
              .pr-3
                v-switch.ml-3(
                  v-model='strategy.selfRegistration'
                  label='Allow self-registration'
                  color='primary'
                  hint='Allow any user successfully authorized by the strategy to access the wiki.'
                  persistent-hint
                )
                v-switch.ml-3(
                  v-if='strategy.key === `local`'
                  :disabled='!strategy.selfRegistration || true'
                  v-model='strategy.recaptcha'
                  label='Use reCAPTCHA by Google'
                  color='primary'
                  hint='Protects against spam robots and malicious registrations.'
                  persistent-hint
                )
                v-combobox.ml-3.mt-3(
                  label='Limit to specific email domains'
                  v-model='strategy.domainWhitelist'
                  prepend-icon='mail_outline'
                  outline
                  :disabled='!strategy.selfRegistration'
                  hint='A list of domains authorized to register. The user email address domain must match one of these to gain access.'
                  persistent-hint
                  small-chips
                  deletable-chips
                  clearable
                  multiple
                  chips
                  )
                v-autocomplete.mt-3.ml-3(
                  outline
                  :disabled='!strategy.selfRegistration'
                  :items='groups'
                  item-text='name'
                  item-value='id'
                  label='Assign to group'
                  v-model='strategy.autoEnrollGroups'
                  prepend-icon='people'
                  hint='Automatically assign new users to these groups.'
                  small-chips
                  persistent-hint
                  deletable-chips
                  clearable
                  multiple
                  chips
                  )
              template(v-if='strategy.useForm')
                v-divider.mt-3
                v-subheader.pl-0 Security
                v-switch.ml-3(
                  v-model='strategy.recaptcha'
                  :disabled='true'
                  label='Force all users to use Two-Factor Authentication (2FA)'
                  color='primary'
                  hint='Users will be required to setup 2FA the first time they login and cannot be disabled by the user.'
                  persistent-hint
                )

        v-card.mt-3.wiki-form.animated.fadeInUp.wait-p4s
          v-toolbar(color='primary', dense, flat, dark)
            .subheading Configuration Reference
          v-card-text
            .body-1 Some strategies may require some configuration values to be set on your provider. These are provided for reference only and may not be needed by the current strategy.
            v-alert.mt-3.radius-7(v-if='host.length < 8', color='red', outline, :value='true', icon='warning') You must set a valid #[strong Site URL] first! Click on #[strong General] in the left sidebar.
            .pa-3.mt-3.radius-7.grey(v-else, :class='$vuetify.dark ? `darken-3-d5` : `lighten-3`')
              .body-2 Allowed Web Origins
              .body-1 {{host}}
              v-divider.my-3
              .body-2 Callback URL / Redirect URI
              .body-1 {{host}}/login/{{strategy.key}}/callback
              v-divider.my-3
              .body-2 Login URL
              .body-1 {{host}}/login
              v-divider.my-3
              .body-2 Logout URL
              .body-1 {{host}}
              v-divider.my-3
              .body-2 Token Endpoint Authentication Method
              .body-1 HTTP-POST
</template>

<script>
import _ from 'lodash'

import groupsQuery from 'gql/admin/auth/auth-query-groups.gql'
import strategiesQuery from 'gql/admin/auth/auth-query-strategies.gql'
import strategiesSaveMutation from 'gql/admin/auth/auth-mutation-save-strategies.gql'
import hostQuery from 'gql/admin/auth/auth-query-host.gql'

export default {
  filters: {
    startCase(val) { return _.startCase(val) }
  },
  data() {
    return {
      groups: [],
      strategies: [],
      selectedStrategy: '',
      host: '',
      strategy: {},
      jwtAudience: 'urn:wiki.js',
      jwtExpiration: '30m',
      jwtRenewablePeriod: '14d'
    }
  },
  computed: {
    activeStrategies() {
      return _.filter(this.strategies, 'isEnabled')
    }
  },
  watch: {
    selectedStrategy(newValue, oldValue) {
      this.strategy = _.find(this.strategies, ['key', newValue]) || {}
    },
    strategies(newValue, oldValue) {
      this.selectedStrategy = 'local'
    }
  },
  methods: {
    async refresh() {
      await this.$apollo.queries.strategies.refetch()
      this.$store.commit('showNotification', {
        message: 'List of strategies has been refreshed.',
        style: 'success',
        icon: 'cached'
      })
    },
    async save() {
      this.$store.commit(`loadingStart`, 'admin-auth-savestrategies')
      try {
        await this.$apollo.mutate({
          mutation: strategiesSaveMutation,
          variables: {
            config: {
              audience: this.jwtAudience,
              tokenExpiration: this.jwtExpiration,
              tokenRenewal: this.jwtRenewablePeriod
            },
            strategies: this.strategies.map(str => _.pick(str, [
              'isEnabled',
              'key',
              'config',
              'selfRegistration',
              'domainWhitelist',
              'autoEnrollGroups'
            ])).map(str => ({...str, config: str.config.map(cfg => ({...cfg, value: JSON.stringify({ v: cfg.value.value })}))}))
          }
        })
        this.$store.commit('showNotification', {
          message: 'Authentication configuration saved successfully.',
          style: 'success',
          icon: 'check'
        })
      } catch (err) {
        this.$store.commit('pushGraphError', err)
      }
      this.$store.commit(`loadingStop`, 'admin-auth-savestrategies')
    }
  },
  apollo: {
    strategies: {
      query: strategiesQuery,
      fetchPolicy: 'network-only',
      update: (data) => _.cloneDeep(data.authentication.strategies).map(str => ({
        ...str,
        config: _.sortBy(str.config.map(cfg => ({
          ...cfg,
          value: JSON.parse(cfg.value)
        })), [t => t.value.order])
      })),
      watchLoading (isLoading) {
        this.$store.commit(`loading${isLoading ? 'Start' : 'Stop'}`, 'admin-auth-refresh')
      }
    },
    groups: {
      query: groupsQuery,
      fetchPolicy: 'network-only',
      update: (data) => data.groups.list,
      watchLoading (isLoading) {
        this.$store.commit(`loading${isLoading ? 'Start' : 'Stop'}`, 'admin-auth-groups-refresh')
      }
    },
    host: {
      query: hostQuery,
      fetchPolicy: 'network-only',
      update: (data) => _.cloneDeep(data.site.config.host),
      watchLoading (isLoading) {
        this.$store.commit(`loading${isLoading ? 'Start' : 'Stop'}`, 'admin-auth-host-refresh')
      }
    }
  }
}
</script>

<style lang='scss' scoped>

.authlogo {
  width: 250px;
  height: 85px;
  float:right;
  display: flex;
  justify-content: flex-end;
  align-items: center;

  img {
    max-width: 100%;
    max-height: 50px;
  }
}

</style>
