<template>
  <main class="container mx-auto px-6 py-10 space-y-8">
    <header>
      <h1 class="text-3xl font-semibold text-base-content">
        Commentaires
      </h1>
      <p class="text-sm text-base-content/50">
        Liste de tous les commentaires et tickets ouverts sur les fiches.
      </p>
    </header>

    <section class="card border border-base-200 bg-base-100 shadow-sm">
      <div class="card-body space-y-4">
        <DataTable
          :columns="columns"
          :rows="comments"
          :loading="loadingList"
          :sort="table.sort.value"
          :pagination="paginationState"
          :column-filters="table.columnFilters.value"
          :show-per-page="true"
          empty-message="Aucun commentaire trouvé."
          no-results-message="Aucun commentaire trouvé."
          @sort="table.handleSort"
          @update:current-page="table.handlePageChange"
          @update:per-page="table.handlePerPageChange"
          @update:column-filters="table.handleColumnFiltersChange"
        >
          <template #toolbar>
            <div class="flex items-center gap-2">
              <label
                class="text-xs font-semibold uppercase tracking-wide text-base-content/70"
                for="comment-status"
              >
                Statut
              </label>
              <select
                id="comment-status"
                v-model="statusFilter"
                class="select select-bordered select-sm"
                @change="table.handleFilterChange"
              >
                <option value="open">Ouverts</option>
                <option value="resolved">Résolus</option>
                <option value="">Tous</option>
              </select>
            </div>

            <div class="flex items-center gap-2">
              <label
                class="text-xs font-semibold uppercase tracking-wide text-base-content/70"
                for="comment-entity-type"
              >
                Type
              </label>
              <select
                id="comment-entity-type"
                v-model="entityTypeFilter"
                class="select select-bordered select-sm"
                @change="table.handleFilterChange"
              >
                <option value="">Tous</option>
                <option value="machine">Machine</option>
                <option value="piece">Pièce</option>
                <option value="composant">Composant</option>
                <option value="product">Produit</option>
                <option value="piece_category">Catégorie pièce</option>
                <option value="component_category">Catégorie composant</option>
                <option value="product_category">Catégorie produit</option>
                <option value="machine_skeleton">Squelette machine</option>
              </select>
            </div>
          </template>

          <template #cell-content="{ row }">
            <div class="tooltip tooltip-top max-w-xs" :data-tip="row.content">
              <span class="line-clamp-2 text-sm text-left">{{ row.content }}</span>
            </div>
            <CommentDocumentList :documents="getDocuments(row)" />
          </template>

          <template #cell-entityType="{ row }">
            <span class="badge badge-outline badge-sm">
              {{ entityTypeLabel(row.entityType) }}
            </span>
          </template>

          <template #cell-entity="{ row }">
            <NuxtLink
              v-if="getEntityRoute(row)"
              :to="getEntityRoute(row)!"
              class="link link-primary text-sm font-medium"
            >
              {{ row.entityName || row.entityId }}
            </NuxtLink>
            <span v-else class="text-sm">
              {{ row.entityName || row.entityId }}
            </span>
          </template>

          <template #cell-createdAt="{ row }">
            <span class="whitespace-nowrap">{{ formatCommentDate(row.createdAt) }}</span>
          </template>

          <template #cell-status="{ row }">
            <span
              class="badge badge-sm"
              :class="row.status === 'open' ? 'badge-warning' : 'badge-success'"
            >
              {{ row.status === 'open' ? 'Ouvert' : 'Résolu' }}
            </span>
          </template>

          <template v-if="canEdit" #cell-actions="{ row }">
            <button
              v-if="row.status === 'open'"
              type="button"
              class="btn btn-success btn-xs gap-1"
              :disabled="loading"
              @click="handleResolve(row.id)"
            >
              <IconLucideCheck class="w-3 h-3" />
              Résoudre
            </button>
            <span v-else class="text-xs text-base-content/50">
              {{ row.resolvedByName }}
            </span>
          </template>
        </DataTable>
      </div>
    </section>
  </main>
</template>

<script setup lang="ts">
import { ref, computed, onMounted, type Ref } from 'vue'
import DataTable from '~/components/common/DataTable.vue'
import { useComments, type Comment, type CommentDocument } from '~/composables/useComments'
import CommentDocumentList from '~/components/CommentDocumentList.vue'
import { usePermissions } from '~/composables/usePermissions'
import { useDataTable } from '~/composables/useDataTable'
import IconLucideCheck from '~icons/lucide/check'

const { canEdit } = usePermissions()
const {
  loading,
  fetchAllComments,
  resolveComment,
} = useComments()

const comments = ref<Comment[]>([])
const total = ref(0)
const loadingList = ref(true)

const getDocuments = (comment: Comment): CommentDocument[] =>
  comment.documents?.filter((d): d is CommentDocument => typeof d === 'object' && d !== null && 'id' in d) ?? []

const table = useDataTable(
  { fetchData: loadComments },
  {
    defaultSort: 'createdAt',
    defaultDirection: 'desc',
    defaultPerPage: 20,
    persistToUrl: true,
    extraParams: {
      status: { default: 'open' },
      entityType: { default: '' },
    },
  },
)

const statusFilter = table.filters.status as Ref<string>
const entityTypeFilter = table.filters.entityType as Ref<string>

const commentsOnPage = computed(() => comments.value.length)
const paginationState = table.pagination(total, commentsOnPage)

const columns = computed(() => {
  const cols = [
    { key: 'content', label: 'Contenu', class: 'max-w-xs' },
    { key: 'entityType', label: 'Type' },
    { key: 'entity', label: 'Item', filterable: true, filterPlaceholder: 'Rechercher…' },
    { key: 'authorName', label: 'Auteur', sortable: true, sortKey: 'authorName' },
    { key: 'createdAt', label: 'Date', sortable: true, sortKey: 'createdAt' },
    { key: 'status', label: 'Statut', sortable: true, sortKey: 'status' },
  ]
  if (canEdit.value) {
    cols.push({ key: 'actions', label: 'Actions' })
  }
  return cols
})

const ENTITY_TYPE_LABELS: Record<string, string> = {
  machine: 'Machine',
  piece: 'Pièce',
  composant: 'Composant',
  product: 'Produit',
  piece_category: 'Cat. pièce',
  component_category: 'Cat. composant',
  product_category: 'Cat. produit',
  machine_skeleton: 'Squelette',
}

const entityTypeLabel = (type: string): string =>
  ENTITY_TYPE_LABELS[type] ?? type

const formatCommentDate = (dateStr: string): string => {
  const date = new Date(dateStr)
  if (Number.isNaN(date.getTime())) return '—'
  return new Intl.DateTimeFormat('fr-FR', {
    day: '2-digit',
    month: '2-digit',
    year: 'numeric',
    hour: '2-digit',
    minute: '2-digit',
  }).format(date)
}

async function loadComments() {
  loadingList.value = true
  const result = await fetchAllComments({
    status: statusFilter.value || undefined,
    entityType: entityTypeFilter.value || undefined,
    entityName: table.columnFilters.value.entity || undefined,
    page: table.currentPage.value,
    itemsPerPage: table.itemsPerPage.value,
    orderBy: table.sortField.value,
    orderDir: table.sortDirection.value,
  })
  if (result.success) {
    comments.value = result.data ?? []
    total.value = result.total ?? 0
  }
  loadingList.value = false
}

const handleResolve = async (commentId: string) => {
  const result = await resolveComment(commentId)
  if (result.success) {
    await loadComments()
  }
}

const ENTITY_ROUTE_MAP: Record<string, (id: string) => string> = {
  machine: (id: string) => `/machine/${id}`,
  piece: (id: string) => `/pieces/${id}/edit`,
  composant: (id: string) => `/component/${id}/edit`,
  product: (id: string) => `/product/${id}/edit`,
  piece_category: (id: string) => `/piece-category/${id}/edit`,
  component_category: (id: string) => `/component-category/${id}/edit`,
  product_category: (id: string) => `/product-category/${id}/edit`,
  machine_skeleton: (id: string) => `/type/${id}`,
}

const getEntityRoute = (comment: Comment): string | null => {
  const builder = ENTITY_ROUTE_MAP[comment.entityType]
  return builder ? builder(comment.entityId) : null
}

onMounted(() => {
  loadComments()
})
</script>
