<template lang='pug'>
q-page.admin-navigation
  .row.q-pa-md.items-center
    .col-auto
      img.admin-icon.animated.fadeInLeft(src='/_assets/icons/fluent-tree-structure.svg')
    .col.q-pl-md
      .text-h5.text-primary.animated.fadeInLeft {{ t('admin.navigation.title') }}
      .text-subtitle1.text-grey.animated.fadeInLeft.wait-p2s {{ t('admin.navigation.subtitle') }}
    .col-auto
      q-btn.acrylic-btn.q-mr-sm(
        icon='las la-question-circle'
        flat
        color='grey'
        :href='siteStore.docsBase + `/admin/navigation`'
        target='_blank'
        type='a'
        )
      q-btn.q-mr-sm.acrylic-btn(
        icon='las la-redo-alt'
        flat
        color='secondary'
        :loading='state.loading > 0'
        @click='load'
        )
      q-btn(
        unelevated
        icon='fa-solid fa-check'
        :label='t(`common.actions.apply`)'
        color='secondary'
        @click='save'
        :disabled='state.loading > 0'
      )
  q-separator(inset)
  .row.q-pa-md.q-col-gutter-md
    .col-auto
      q-card.q-mt-sm {{t('admin.navigation.mode')}}

      q-card.bg-dark.q-mt-sm
        q-list(
          style='min-width: 350px;'
          padding
          dark
          )
          q-item
            q-item-section
              q-select(
                dark
                outlined
                option-value='value'
                option-label='text'
                emit-value
                map-options
                dense
                options-dense
                :label='t(`admin.navigation.mode`)'
                :aria-label='t(`admin.navigation.mode`)'
                )

//-       v-container.pa-0.mt-3(fluid, grid-list-lg)
//-         v-row(dense)
//-           v-col(cols='3')
//-             v-card.animated.fadeInUp
//-               v-toolbar(color='teal', dark, dense, flat, height='56')
//-                 v-toolbar-title.subtitle-1 {{$t('admin.navigation.mode')}}
//-               v-list(nav, two-line)
//-                 v-list-item-group(v-model='config.mode', mandatory, :color='$vuetify.theme.dark ? `teal lighten-3` : `teal`')
//-                   v-list-item(value='TREE')
//-                     v-list-item-avatar
//-                       img(src='/_assets/svg/icon-tree-structure-dotted.svg', alt='Site Tree')
//-                     v-list-item-content
//-                       v-list-item-title {{$t('admin.navigation.modeSiteTree.title')}}
//-                       v-list-item-subtitle {{$t('admin.navigation.modeSiteTree.description')}}
//-                     v-list-item-avatar
//-                       v-icon(v-if='$vuetify.theme.dark', :color='config.mode === `TREE` ? `teal lighten-3` : `grey darken-2`') mdi-check-circle
//-                       v-icon(v-else, :color='config.mode === `TREE` ? `teal` : `grey lighten-3`') mdi-check-circle
//-                   v-list-item(value='STATIC')
//-                     v-list-item-avatar
//-                       img(src='/_assets/svg/icon-features-list.svg', alt='Static Navigation')
//-                     v-list-item-content
//-                       v-list-item-title {{$t('admin.navigation.modeStatic.title')}}
//-                       v-list-item-subtitle {{$t('admin.navigation.modeStatic.description')}}
//-                     v-list-item-avatar
//-                       v-icon(v-if='$vuetify.theme.dark', :color='config.mode === `STATIC` ? `teal lighten-3` : `grey darken-2`') mdi-check-circle
//-                       v-icon(v-else, :color='config.mode === `STATIC` ? `teal` : `grey lighten-3`') mdi-check-circle
//-                   v-list-item(value='MIXED')
//-                     v-list-item-avatar
//-                       img(src='/_assets/svg/icon-user-menu-male-dotted.svg', alt='Custom Navigation')
//-                     v-list-item-content
//-                       v-list-item-title {{$t('admin.navigation.modeCustom.title')}}
//-                       v-list-item-subtitle {{$t('admin.navigation.modeCustom.description')}}
//-                     v-list-item-avatar
//-                       v-icon(v-if='$vuetify.theme.dark', :color='config.mode === `MIXED` ? `teal lighten-3` : `grey darken-2`') mdi-check-circle
//-                       v-icon(v-else, :color='config.mode === `MIXED` ? `teal` : `grey lighten-3`') mdi-check-circle
//-                   v-list-item(value='NONE')
//-                     v-list-item-avatar
//-                       img(src='/_assets/svg/icon-cancel-dotted.svg', alt='None')
//-                     v-list-item-content
//-                       v-list-item-title {{$t('admin.navigation.modeNone.title')}}
//-                       v-list-item-subtitle {{$t('admin.navigation.modeNone.description')}}
//-                     v-list-item-avatar
//-                       v-icon(v-if='$vuetify.theme.dark', :color='config.mode === `none` ? `teal lighten-3` : `grey darken-2`') mdi-check-circle
//-                       v-icon(v-else, :color='config.mode === `none` ? `teal` : `grey lighten-3`') mdi-check-circle
//-           v-col(cols='9', v-if='config.mode === `MIXED` || config.mode === `STATIC`')
//-             v-card.animated.fadeInUp.wait-p2s
//-               v-row(no-gutters, align='stretch')
//-                 v-col(style='flex: 0 0 350px;')
//-                   v-card.grey(flat, style='height: 100%; border-radius: 4px 0 0 4px;', :class='$vuetify.theme.dark ? `darken-4-l5` : `lighten-3`')
//-                     .teal.lighten-1.pa-2.d-flex(style='margin-bottom: 1px; height:56px;')
//-                       v-select(
//-                         :disabled='locales.length < 2'
//-                         label='Locale'
//-                         hide-details
//-                         solo
//-                         flat
//-                         background-color='teal darken-2'
//-                         dark
//-                         dense
//-                         v-model='currentLang'
//-                         :items='locales'
//-                         item-text='nativeName'
//-                         item-value='code'
//-                       )
//-                       v-tooltip(top)
//-                         template(v-slot:activator='{ on }')
//-                           v-btn.ml-2(icon, tile, color='white', v-on='on', @click='copyFromLocaleDialogIsShown = true')
//-                             v-icon mdi-arrange-send-backward
//-                         span {{$t('admin.navigation.copyFromLocale')}}
//-                     v-list.py-2(dense, nav, dark, class='blue darken-2', style='border-radius: 0;')
//-                       v-list-item(v-if='currentTree.length < 1')
//-                         v-list-item-avatar(size='24'): v-icon(color='blue lighten-3') mdi-alert
//-                         v-list-item-content
//-                           em.caption.blue--text.text--lighten-4 {{$t('navigation.emptyList')}}
//-                       draggable(v-model='currentTree')
//-                         template(v-for='navItem in currentTree')
//-                           v-list-item(
//-                             v-if='navItem.kind === "link"'
//-                             :key='navItem.id'
//-                             :class='(navItem === current) ? "blue" : ""'
//-                             @click='selectItem(navItem)'
//-                             )
//-                             v-list-item-avatar(size='24', tile)
//-                               v-icon(v-if='navItem.icon.match(/fa[a-z] fa-/)', size='19') {{ navItem.icon }}
//-                               v-icon(v-else) {{ navItem.icon }}
//-                             v-list-item-title {{navItem.label}}
//-                           .py-2.clickable(
//-                             v-else-if='navItem.kind === "divider"'
//-                             :key='navItem.id'
//-                             :class='(navItem === current) ? "blue" : ""'
//-                             @click='selectItem(navItem)'
//-                             )
//-                             v-divider
//-                           v-subheader.pl-4.clickable(
//-                             v-else-if='navItem.kind === "header"'
//-                             :key='navItem.id'
//-                             :class='(navItem === current) ? "blue" : ""'
//-                             @click='selectItem(navItem)'
//-                             ) {{navItem.label}}
//-                     v-card-chin
//-                       v-menu(offset-y, bottom, min-width='200px', style='flex: 1 1;')
//-                         template(v-slot:activator='{ on }')
//-                           v-btn(v-on='on', color='primary', depressed, block)
//-                             v-icon(left) mdi-plus
//-                             span {{$t('common.actions.add')}}
//-                         v-list
//-                           v-list-item(@click='addItem("link")')
//-                             v-list-item-avatar(size='24'): v-icon mdi-link
//-                             v-list-item-title {{$t('navigation.link')}}
//-                           v-list-item(@click='addItem("header")')
//-                             v-list-item-avatar(size='24'): v-icon mdi-format-title
//-                             v-list-item-title {{$t('navigation.header')}}
//-                           v-list-item(@click='addItem("divider")')
//-                             v-list-item-avatar(size='24'): v-icon mdi-minus
//-                             v-list-item-title {{$t('navigation.divider')}}
//-                 v-col
//-                   v-card(flat, style='border-radius: 0 4px 4px 0;')
//-                     template(v-if='current.kind === "link"')
//-                       v-toolbar(height='56', color='teal lighten-1', flat, dark)
//-                         .subtitle-1 {{$t('navigation.edit', { kind: $t('navigation.link') })}}
//-                         v-spacer
//-                         v-btn.px-5(color='white', outlined, @click='deleteItem(current)')
//-                           v-icon(left) mdi-delete
//-                           span {{$t('navigation.delete', { kind: $t('navigation.link') })}}
//-                       v-card-text
//-                         v-text-field(
//-                           outlined
//-                           :label='$t("navigation.label")'
//-                           prepend-icon='mdi-format-title'
//-                           v-model='current.label'
//-                           counter='255'
//-                         )
//-                         v-text-field(
//-                           outlined
//-                           :label='$t("navigation.icon")'
//-                           prepend-icon='mdi-dice-5'
//-                           v-model='current.icon'
//-                           hide-details
//-                         )
//-                         .caption.pt-3.pl-5 The default icon set is #[strong Material Design Icons]. In order to use another icon set, you must first select it in the Theme administration section.
//-                         .caption.pt-3.pl-5: strong Material Design Icons
//-                         .caption.pl-5 Refer to the #[a(href='https://materialdesignicons.com/', target='_blank') Material Design Icons Reference] for the list of all possible values. You must prefix all values with #[code mdi-], e.g. #[code mdi-home]
//-                         .caption.pt-3.pl-5: strong Font Awesome 5
//-                         .caption.pl-5 Refer to the #[a(href='https://fontawesome.com/icons?d=gallery&m=free', target='_blank') Font Awesome 5 Reference] for the list of all possible values. You must prefix all values with #[code fas fa-], e.g. #[code fas fa-home]. Note that some icons use different prefixes (e.g. #[code fab], #[code fad], #[code fal], #[code far]).
//-                         .caption.pt-3.pl-5: strong Font Awesome 4
//-                         .caption.pl-5 Refer to the #[a(href='https://fontawesome.com/v4.7.0/icons/', target='_blank') Font Awesome 4 Reference] for the list of all possible values. You must prefix all values with #[code fa fa-], e.g. #[code fa fa-home]
//-                       v-divider
//-                       v-card-text
//-                         v-select(
//-                           outlined
//-                           :label='$t("navigation.targetType")'
//-                           prepend-icon='mdi-near-me'
//-                           :items='navTypes'
//-                           v-model='current.targetType'
//-                           hide-details
//-                         )
//-                         v-text-field.mt-4(
//-                           v-if='current.targetType === `external` || current.targetType === `externalblank`'
//-                           outlined
//-                           :label='$t("navigation.target")'
//-                           prepend-icon='mdi-near-me'
//-                           v-model='current.target'
//-                           hide-details
//-                         )
//-                         .d-flex.align-center.mt-4(v-else-if='current.targetType === "page"')
//-                           v-btn.ml-8(
//-                             color='primary'
//-                             dark
//-                             @click='selectPage'
//-                             )
//-                             v-icon(left) mdi-magnify
//-                             span {{$t('admin.navigation.selectPageButton')}}
//-                           .caption.ml-4.primary--text {{current.target}}
//-                         v-text-field(
//-                           v-else-if='current.targetType === `search`'
//-                           outlined
//-                           :label='$t("navigation.navType.searchQuery")'
//-                           prepend-icon='search'
//-                           v-model='current.target'
//-                         )
//-                       v-divider

//-                     template(v-else-if='current.kind === "header"')
//-                       v-toolbar(height='56', color='teal lighten-1', flat, dark)
//-                         .subtitle-1 {{$t('navigation.edit', { kind: $t('navigation.header') })}}
//-                         v-spacer
//-                         v-btn.px-5(color='white', outlined, @click='deleteItem(current)')
//-                           v-icon(left) mdi-delete
//-                           span {{$t('navigation.delete', { kind: $t('navigation.header') })}}
//-                       v-card-text
//-                         v-text-field(
//-                           outlined
//-                           :label='$t("navigation.label")'
//-                           prepend-icon='mdi-format-title'
//-                           v-model='current.label'
//-                         )
//-                       v-divider

//-                     div(v-else-if='current.kind === "divider"')
//-                       v-toolbar(height='56', color='teal lighten-1', flat, dark)
//-                         .subtitle-1 {{$t('navigation.edit', { kind: $t('navigation.divider') })}}
//-                         v-spacer
//-                         v-btn.px-5(color='white', outlined, @click='deleteItem(current)')
//-                           v-icon(left) mdi-delete
//-                           span {{$t('navigation.delete', { kind: $t('navigation.divider') })}}

//-                     v-card-text(v-if='current.kind')
//-                       v-radio-group.pl-8(v-model='current.visibilityMode', mandatory, hide-details)
//-                         v-radio(:label='$t("admin.navigation.visibilityMode.all")', value='all', color='primary')
//-                         v-radio.mt-3(:label='$t("admin.navigation.visibilityMode.restricted")', value='restricted', color='primary')
//-                       .pl-8
//-                         v-select.pl-8.mt-3(
//-                           item-text='name'
//-                           item-value='id'
//-                           outlined
//-                           prepend-icon='mdi-account-group'
//-                           label='Groups'
//-                           :disabled='current.visibilityMode !== `restricted`'
//-                           v-model='current.visibilityGroups'
//-                           :items='groups'
//-                           persistent-hint
//-                           clearable
//-                           multiple
//-                         )
//-                     template(v-else)
//-                       v-toolbar(height='56', color='teal lighten-1', flat, dark)
//-                       v-card-text.grey--text(v-if='currentTree.length > 0') {{$t('navigation.noSelectionText')}}
//-                       v-card-text.grey--text(v-else) {{$t('navigation.noItemsText')}}

//-   v-dialog(v-model='copyFromLocaleDialogIsShown', max-width='650', persistent)
//-     v-card
//-       .dialog-header.is-short.is-teal
//-         v-icon.mr-3(color='white') mdi-arrange-send-backward
//-         span {{$t('admin.navigation.copyFromLocale')}}
//-       v-card-text.pt-5
//-         .body-2 {{$t('admin.navigation.copyFromLocaleInfoText')}}
//-         v-select.mt-3(
//-           :items='locales'
//-           item-text='nativeName'
//-           item-value='code'
//-           outlined
//-           prepend-icon='mdi-web'
//-           v-model='copyFromLocaleCode'
//-           :label='$t(`admin.navigation.sourceLocale`)'
//-           :hint='$t(`admin.navigation.sourceLocaleHint`)'
//-           persistent-hint
//-           )
//-       v-card-chin
//-         v-spacer
//-         v-btn(text, @click='copyFromLocaleDialogIsShown = false') {{$t('common.actions.cancel')}}
//-         v-btn.px-3(depressed, color='primary', @click='copyFromLocale')
//-           v-icon(left) mdi-chevron-right
//-           span {{$t('common.actions.copy')}}

//-   page-selector(mode='select', v-model='selectPageModal', :open-handler='selectPageHandle', path='home', :locale='currentLang')
</template>

<script setup>
import gql from 'graphql-tag'
import { find, intersectionBy, pull, unionBy } from 'lodash-es'
import { v4 as uuid } from 'uuid'

import { useI18n } from 'vue-i18n'
import { useMeta, useQuasar } from 'quasar'
import { computed, onMounted, reactive, watch, nextTick } from 'vue'

import { useAdminStore } from 'src/stores/admin'
import { useSiteStore } from 'src/stores/site'

import draggable from 'vuedraggable'

// QUASAR

const $q = useQuasar()

// STORES

const adminStore = useAdminStore()
const siteStore = useSiteStore()

// I18N

const { t } = useI18n()

// META

useMeta({
  title: t('admin.navigation.title')
})

// DATA

const siteConfig = { lang: 'en' }
const siteLangs = [{ code: 'en' }]

const state = reactive({
  loading: 0,
  selectPageModal: false,
  trees: [],
  current: {},
  currentLang: siteConfig.lang,
  groups: [],
  copyFromLocaleDialogIsShown: false,
  config: {
    mode: 'NONE'
  },
  allLocales: [],
  copyFromLocaleCode: 'en'
})

// COMPUTED

const navTypes = computed(() => ([
  { text: t('navigation.navType.external'), value: 'external' },
  { text: t('navigation.navType.externalblank'), value: 'externalblank' },
  { text: t('navigation.navType.home'), value: 'home' },
  { text: t('navigation.navType.page'), value: 'page' }
  // { text: t('navigation.navType.searchQuery'), value: 'search' }
]))

const locales = computed(() => {
  return intersectionBy(state.allLocales, unionBy(siteLangs, [{ code: 'en' }, { code: siteConfig.lang }], 'code'), 'code')
})

const currentTree = computed({
  get () {
    return find(state.trees, ['locale', state.currentLang])?.items || []
  },
  set (val) {
    const tree = find(state.trees, ['locale', state.currentLang])
    if (tree) {
      tree.items = val
    } else {
      state.trees = [...state.trees, {
        locale: state.currentLang,
        items: val
      }]
    }
  }
})

// WATCHERS

watch(() => state.currentLang, (newValue, oldValue) => {
  nextTick(() => {
    if (state.currentTree.length > 0) {
      state.current = state.currentTree[0]
    } else {
      state.current = {}
    }
  })
})

// METHODS

async function load () {

}

function addItem (kind) {
  let newItem = {
    id: uuid(),
    kind,
    visibilityMode: 'all',
    visibilityGroups: []
  }
  switch (kind) {
    case 'link':
      newItem = {
        ...newItem,
        label: t('navigation.untitled', { kind: t('navigation.link') }),
        icon: 'mdi-chevron-right',
        targetType: 'home',
        target: ''
      }
      break
    case 'header':
      newItem.label = t('navigation.untitled', { kind: t('navigation.header') })
      break
  }
  state.currentTree = [...state.currentTree, newItem]
  state.current = newItem
}

function deleteItem (item) {
  state.currentTree = pull(state.currentTree, item)
  state.current = {}
}

function selectItem (item) {
  state.current = item
}

function selectPage () {
  state.selectPageModal = true
}

function selectPageHandle ({ path, locale }) {
  state.current.target = `/${locale}/${path}`
}

function copyFromLocale () {
  state.copyFromLocaleDialogIsShown = false
  state.currentTree = [...state.currentTree, ...find(state.trees, ['locale', state.copyFromLocaleCode])?.items || []]
}

async function save () {
  this.$store.commit('loadingStart', 'admin-navigation-save')
  try {
    const resp = await APOLLO_CLIENT.mutate({
      mutation: gql`
        mutation ($tree: [NavigationTreeInput]!, $mode: NavigationMode!) {
          navigation{
            updateTree(tree: $tree) {
              responseResult {
                succeeded
                errorCode
                slug
                message
              }
            },
            updateConfig(mode: $mode) {
              responseResult {
                succeeded
                errorCode
                slug
                message
              }
            }
          }
        }
      `,
      variables: {
        tree: state.trees,
        mode: state.config.mode
      }
    })
    if (resp?.data.navigation.updateTree.responseResult.succeeded && resp?.data.navigation.updateConfig.responseResult.succeeded) {
      this.$store.commit('showNotification', {
        message: t('navigation.saveSuccess'),
        style: 'success',
        icon: 'check'
      })
    } else {
      throw new Error(resp?.data.navigation.updateTree.operation.message || 'An unexpected error occurred.')
    }
  } catch (err) {
    this.$store.commit('pushGraphError', err)
  }
  this.$store.commit('loadingStop', 'admin-navigation-save')
}

async function refresh () {
  load()
  state.current = {}
  this.$store.commit('showNotification', {
    message: 'Navigation has been refreshed.',
    style: 'success',
    icon: 'cached'
  })
}

// apollo: {
//   config: {
//     query: gql`
//       {
//         navigation {
//           config {
//             mode
//           }
//         }
//       }
//     `,
//     fetchPolicy: 'network-only',
//     update: (data) => _.cloneDeep(data.navigation.config),
//     watchLoading (isLoading) {
//       this.$store.commit(`loading${isLoading ? 'Start' : 'Stop'}`, 'admin-navigation-config')
//     }
//   },
//   trees: {
//     query: gql`
//       {
//         navigation {
//           tree {
//             locale
//             items {
//               id
//               kind
//               label
//               icon
//               targetType
//               target
//               visibilityMode
//               visibilityGroups
//             }
//           }
//         }
//       }
//     `,
//     fetchPolicy: 'network-only',
//     update: (data) => _.cloneDeep(data.navigation.tree),
//     watchLoading (isLoading) {
//       this.$store.commit(`loading${isLoading ? 'Start' : 'Stop'}`, 'admin-navigation-tree')
//     }
//   },
//   groups: {
//     query: gql`
//       query {
//         groups {
//           list {
//             id
//             name
//             isSystem
//             userCount
//             createdAt
//             updatedAt
//           }
//         }
//       }
//     `,
//     fetchPolicy: 'network-only',
//     update: (data) => data.groups.list,
//     watchLoading (isLoading) {
//       this.$store.commit(`loading${isLoading ? 'Start' : 'Stop'}`, 'admin-navigation-groups')
//     }
//   },
//   allLocales: {
//     query: gql`
//       {
//         localization {
//           locales {
//             code
//             name
//             nativeName
//           }
//         }
//       }
//     `,
//     fetchPolicy: 'network-only',
//     update: (data) => data.localization.locales,
//     watchLoading (isLoading) {
//       this.$store.commit(`loading${isLoading ? 'Start' : 'Stop'}`, 'admin-navigation-locales')
//     }
//   }
// }
</script>

<style lang='scss' scoped>
.clickable {
  cursor: pointer;

  &:hover {
    background-color: rgba($blue-5, .25);
  }
}

</style>