Inventory_frontend/app/pages/component-catalog.vue

<template>
  <main class="container mx-auto px-6 py-10 space-y-8">
    <header class="flex flex-col gap-3 md:flex-row md:items-center md:justify-between">
      <div>
        <h1 class="text-3xl font-semibold text-base-content">Catalogue des composants</h1>
        <p class="text-sm text-gray-500">
          Consultez et gérez tous les composants existants.
        </p>
      </div>
      <div class="flex flex-wrap gap-2">
        <NuxtLink to="/component/create" class="btn btn-primary btn-sm md:btn-md">
          Ajouter un composant
        </NuxtLink>
        <NuxtLink to="/component-category" class="btn btn-outline btn-sm md:btn-md">
          Gérer les catégories
        </NuxtLink>
      </div>
    </header>

    <section class="card border border-base-200 bg-base-100 shadow-sm">
      <div class="card-body space-y-4">
        <header class="flex flex-col gap-2">
          <h2 class="text-xl font-semibold text-base-content">Composants créés</h2>
          <p class="text-sm text-base-content/70">
            Retrouvez ici tous les composants enregistrés, indépendamment de leur catégorie.
          </p>
        </header>

        <div class="flex flex-col gap-3 lg:flex-row lg:items-center lg:justify-between">
          <div class="flex flex-col gap-3 sm:flex-row sm:flex-wrap sm:items-center">
            <label class="w-full sm:w-72">
              <span class="text-xs font-semibold uppercase tracking-wide text-base-content/70">Recherche</span>
              <input
                v-model="searchTerm"
                type="text"
                class="input input-bordered input-sm w-full mt-1"
                placeholder="Nom ou référence…"
                @input="debouncedSearch"
              />
            </label>
            <div class="flex items-center gap-2">
              <label
                class="text-xs font-semibold uppercase tracking-wide text-base-content/70"
                for="component-catalog-sort"
              >
                Trier par
              </label>
              <select
                id="component-catalog-sort"
                v-model="sortField"
                class="select select-bordered select-sm"
                @change="handleSortChange"
              >
                <option value="name">Nom</option>
                <option value="createdAt">Date de création</option>
              </select>
            </div>
            <div class="flex items-center gap-2">
              <label
                class="text-xs font-semibold uppercase tracking-wide text-base-content/70"
                for="component-catalog-dir"
              >
                Ordre
              </label>
              <select
                id="component-catalog-dir"
                v-model="sortDirection"
                class="select select-bordered select-sm"
                @change="handleSortChange"
              >
                <option value="asc">Ascendant</option>
                <option value="desc">Descendant</option>
              </select>
            </div>
            <div class="flex items-center gap-2">
              <label
                class="text-xs font-semibold uppercase tracking-wide text-base-content/70"
                for="component-catalog-per-page"
              >
                Par page
              </label>
              <select
                id="component-catalog-per-page"
                v-model.number="itemsPerPage"
                class="select select-bordered select-sm"
                @change="handlePerPageChange"
              >
                <option :value="20">20</option>
                <option :value="50">50</option>
                <option :value="100">100</option>
              </select>
            </div>
          </div>
          <p class="text-xs text-base-content/50 lg:text-right">
            {{ composantsOnPage }} / {{ composantsTotal }} résultat{{ composantsTotal > 1 ? 's' : '' }}
          </p>
        </div>

        <div v-if="loadingComposants" class="flex justify-center py-8">
          <span class="loading loading-spinner" aria-hidden="true" />
        </div>

        <p v-else-if="!composantsTotal" class="text-sm text-base-content/70">
          Aucun composant n'a encore été créé.
        </p>

        <p v-else-if="!composantsList.length" class="text-sm text-base-content/70">
          Aucun composant ne correspond à votre recherche.
        </p>

        <template v-else>
          <div class="overflow-x-auto">
            <table class="table table-sm md:table-md">
              <thead>
                <tr>
                  <th class="w-24">Aperçu</th>
                  <th>Nom</th>
                  <th>Référence</th>
                  <th>Type de composant</th>
                  <th>Actions</th>
                </tr>
              </thead>
              <tbody>
                <tr v-for="component in composantsList" :key="component.id">
                  <td class="align-middle">
                    <DocumentThumbnail
                      :document="resolvePrimaryDocument(component)"
                      :alt="resolvePreviewAlt(component)"
                    />
                  </td>
                  <td>{{ component.name || 'Composant sans nom' }}</td>
                  <td>{{ component.reference || '—' }}</td>
                  <td>
                    <NuxtLink
                      v-if="component.typeComposant?.id"
                      :to="`/component-category/${component.typeComposant.id}/edit`"
                      class="link link-hover link-primary"
                    >
                      {{ resolveComponentType(component) }}
                    </NuxtLink>
                    <span v-else>{{ resolveComponentType(component) }}</span>
                  </td>
                  <td>
                    <div class="flex items-center gap-2">
                      <NuxtLink
                        :to="`/component/${component.id}/edit`"
                        class="btn btn-ghost btn-xs"
                      >
                        Modifier
                      </NuxtLink>
                      <button
                        type="button"
                        class="btn btn-error btn-xs"
                        :disabled="loadingComposants"
                        @click="handleDeleteComponent(component)"
                      >
                        Supprimer
                      </button>
                    </div>
                  </td>
                </tr>
              </tbody>
            </table>
          </div>

          <Pagination
            :current-page="currentPage"
            :total-pages="totalPages"
            @update:current-page="handlePageChange"
          />
        </template>
      </div>
    </section>
  </main>

</template>

<script setup lang="ts">
import { computed, onMounted } from 'vue'
import { useComposants } from '~/composables/useComposants'
import { useComponentTypes } from '~/composables/useComponentTypes'
import { useToast } from '~/composables/useToast'
import { useUrlState } from '~/composables/useUrlState'
import DocumentThumbnail from '~/components/DocumentThumbnail.vue'
import Pagination from '~/components/common/Pagination.vue'
import { isImageDocument, isPdfDocument } from '~/utils/documentPreview'

const { showError } = useToast()
const { composants, total, loadComposants, loading: loadingComposantsRef, deleteComposant } = useComposants()
const { componentTypes, loadComponentTypes } = useComponentTypes()
const loadingComposants = computed(() => loadingComposantsRef.value)

// State synced with URL query params (preserved on back/forward navigation)
const {
  page: currentPage,
  perPage: itemsPerPage,
  q: searchTerm,
  sort: sortField,
  dir: sortDirection,
} = useUrlState({
  page: { default: 1, type: 'number' },
  perPage: { default: 20, type: 'number' },
  q: { default: '', debounce: 300 },
  sort: { default: 'name' },
  dir: { default: 'asc' },
}, {
  onRestore: () => fetchComposants(),
})

const composantsTotal = computed(() => total.value)
const composantsOnPage = computed(() => composants.value.length)
const totalPages = computed(() => Math.ceil(composantsTotal.value / itemsPerPage.value) || 1)

// Search debounce for API calls
let searchTimeout: ReturnType<typeof setTimeout> | null = null

const debouncedSearch = () => {
  if (searchTimeout) {
    clearTimeout(searchTimeout)
  }
  searchTimeout = setTimeout(() => {
    currentPage.value = 1
    fetchComposants()
  }, 300)
}

// Enrichir les composants avec les types de composants complets
const composantsList = computed(() => {
  return (composants.value || []).map((composant) => {
    const typeComposant = componentTypes.value.find(t => t.id === composant.typeComposantId)
    return {
      ...composant,
      typeComposant: typeComposant || composant.typeComposant || null
    }
  })
})

const fetchComposants = async () => {
  await loadComposants({
    search: searchTerm.value,
    page: currentPage.value,
    itemsPerPage: itemsPerPage.value,
    orderBy: sortField.value,
    orderDir: sortDirection.value as 'asc' | 'desc',
    force: true
  })
}

const handlePageChange = (page: number) => {
  currentPage.value = page
  fetchComposants()
}

const handleSortChange = () => {
  currentPage.value = 1
  fetchComposants()
}

const handlePerPageChange = () => {
  currentPage.value = 1
  fetchComposants()
}

const resolvePrimaryDocument = (component: Record<string, any>) => {
  const documents = Array.isArray(component?.documents) ? component.documents : []
  if (!documents.length) {
    return null
  }
  const normalized = documents.filter((doc) => doc && typeof doc === 'object')
  const withPath = normalized.filter((doc) => doc?.path)
  const pdf = withPath.find((doc) => isPdfDocument(doc))
  if (pdf) {
    return pdf
  }
  const image = withPath.find((doc) => isImageDocument(doc))
  if (image) {
    return image
  }
  return withPath[0] ?? normalized[0] ?? null
}

const resolvePreviewAlt = (component: Record<string, any>) => {
  const parts = [component?.name, component?.reference].filter(Boolean)
  if (parts.length) {
    return `Aperçu du document de ${parts.join(' – ')}`
  }
  return 'Aperçu du document'
}

const resolveComponentType = (component: Record<string, any>) => {
  const type = component?.typeComposant
  if (type?.name) {
    return type.name
  }
  if (component?.typeComposantLabel) {
    return component.typeComposantLabel
  }
  return '—'
}

const resolveDeleteGuard = (component: Record<string, any>) => {
  const blockingReasons: string[] = []
  const machineLinks = Array.isArray(component?.machineLinks)
    ? component.machineLinks.length
    : component?.machineLinksCount ?? 0
  const documents = Array.isArray(component?.documents)
    ? component.documents.length
    : component?.documentsCount ?? 0
  const customFields = Array.isArray(component?.customFieldValues)
    ? component.customFieldValues.length
    : component?.customFieldValuesCount ?? 0

  if (machineLinks > 0) {
    blockingReasons.push(`${machineLinks} liaison${machineLinks > 1 ? 's' : ''} machine`)
  }
  if (documents > 0) {
    blockingReasons.push(`${documents} document${documents > 1 ? 's' : ''}`)
  }
  return {
    blockingReasons,
    hasCustomFields: customFields > 0,
  }
}

const handleDeleteComponent = async (component: Record<string, any>) => {
  const { blockingReasons, hasCustomFields } = resolveDeleteGuard(component)

  if (blockingReasons.length) {
    showError(
      `Impossible de supprimer ce composant car il possède encore: ${blockingReasons.join(
        ', ',
      )}. Supprimez ou détachez ces éléments avant de réessayer.`
    )
    return
  }

  const componentName = component?.name || 'ce composant'
  const confirmLines = [
    `Voulez-vous vraiment supprimer ${componentName} ?`,
  ]
  if (hasCustomFields) {
    confirmLines.push(
      'Les valeurs de champs personnalisés associées seront également supprimées.'
    )
  }

  const { confirm } = useConfirm()
  const confirmed = await confirm({ message: confirmLines.join('\n\n') })
  if (!confirmed) {
    return
  }

  await deleteComposant(component.id)
  // Reload current page after deletion
  fetchComposants()
}

onMounted(async () => {
  await Promise.all([
    fetchComposants(),
    loadComponentTypes()
  ])
})
</script>