Inventory/frontend/app/pages/piece/[id].vue

<template>
  <div>
    <DocumentPreviewModal
      :document="previewDocument"
      :visible="previewVisible"
      :documents="pieceDocuments"
      @close="closePreview"
    />
    <DocumentEditModal
      :visible="editModalVisible"
      :document="editingDocument"
      @close="editModalVisible = false"
      @updated="handleDocumentUpdated"
    />
    <main class="container mx-auto px-6 py-10">
      <div v-if="loading" class="flex flex-col items-center gap-4 py-20 text-center">
        <span class="loading loading-spinner loading-lg" aria-hidden="true" />
        <p class="text-sm text-base-content/70">Chargement de la pièce…</p>
      </div>

      <div v-else-if="!piece" class="max-w-xl mx-auto">
        <div class="alert alert-error shadow-lg">
          <div>
            <h2 class="font-semibold text-lg">Pièce introuvable</h2>
            <p class="text-sm text-base-content/80">
              Nous n'avons pas pu retrouver la pièce demandée. Elle a peut-être été supprimée.
            </p>
          </div>
        </div>
        <button type="button" class="btn btn-primary mt-6" @click="$router.back()">
          Retour au catalogue
        </button>
      </div>

      <section v-else class="card border border-base-200 bg-base-100 shadow-sm max-w-5xl mx-auto">
        <div class="card-body space-y-6">
          <DetailHeader
            :title="isEditMode ? 'Modifier la pièce' : piece.name"
            :subtitle="isEditMode ? 'Ajustez les informations de la pièce et ses champs personnalisés.' : undefined"
            :is-edit-mode="isEditMode"
            :can-edit="canEdit"
            back-link="/pieces-catalog"
            @toggle-edit="isEditMode = !isEditMode"
          />

          <!-- Catégorie (always shown) -->
          <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
            <div class="form-control">
              <label class="label">
                <span class="label-text">Catégorie de pièce</span>
              </label>
              <template v-if="isEditMode">
                <select
                  v-model="selectedTypeId"
                  class="select select-bordered select-sm md:select-md"
                  disabled
                >
                  <option value="">Sélectionner une catégorie</option>
                  <option
                    v-for="type in pieceTypeList"
                    :key="type.id"
                    :value="type.id"
                  >
                    {{ type.name }}
                  </option>
                </select>
                <p class="text-xs text-base-content/60 mt-1">
                  La catégorie d'origine ne peut pas être modifiée depuis cette page.
                </p>
              </template>
              <div v-else class="input input-bordered input-sm md:input-md bg-base-200 flex items-center">
                {{ selectedType?.name || '—' }}
              </div>
            </div>
          </div>

          <!-- Nom (always shown) -->
          <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
            <div class="form-control">
              <label class="label">
                <span class="label-text">Nom de la pièce</span>
              </label>
              <input
                v-if="isEditMode"
                v-model="editionForm.name"
                type="text"
                class="input input-bordered input-sm md:input-md"
                :disabled="!canEdit || saving"
                placeholder="Nom affiché dans le catalogue"
                required
              >
              <div v-else class="input input-bordered input-sm md:input-md bg-base-200 flex items-center">
                {{ piece.name }}
              </div>
            </div>
          </div>

          <!-- Description (if value or edit mode) -->
          <div v-if="isEditMode || piece.description" class="form-control">
            <label class="label">
              <span class="label-text">Description</span>
            </label>
            <textarea
              v-if="isEditMode"
              v-model="editionForm.description"
              class="textarea textarea-bordered textarea-sm md:textarea-md"
              :disabled="!canEdit || saving"
              placeholder="Description de la pièce (optionnel)"
              rows="3"
            />
            <div v-else class="textarea textarea-bordered textarea-sm md:textarea-md bg-base-200">
              {{ piece.description }}
            </div>
          </div>

          <!-- Référence auto (read-only, shown only if computed) -->
          <div v-if="piece.referenceAuto" class="form-control">
            <label class="label">
              <span class="label-text">Référence auto</span>
            </label>
            <div class="input input-bordered input-sm md:input-md bg-base-200 flex items-center gap-2">
              <span class="font-mono font-semibold">{{ piece.referenceAuto }}</span>
              <span class="badge badge-sm badge-ghost">auto</span>
            </div>
          </div>

          <!-- Référence + Fournisseurs (if value or edit mode) -->
          <div
            v-if="isEditMode || piece.reference || editionForm.constructeurIds.length"
            class="grid grid-cols-1 gap-4 md:grid-cols-2"
          >
            <div v-if="isEditMode || piece.reference" class="form-control">
              <label class="label">
                <span class="label-text">Référence</span>
              </label>
              <input
                v-if="isEditMode"
                v-model="editionForm.reference"
                type="text"
                class="input input-bordered input-sm md:input-md"
                :disabled="!canEdit || saving"
                placeholder="Référence interne ou fournisseur"
              >
              <div v-else class="input input-bordered input-sm md:input-md bg-base-200 flex items-center">
                {{ piece.reference }}
              </div>
            </div>

            <div v-if="isEditMode || constructeurLinks.length" class="form-control">
              <label class="label">
                <span class="label-text">Fournisseur</span>
              </label>
              <template v-if="isEditMode">
                <ConstructeurSelect
                  v-model="editionForm.constructeurIds"
                  class="w-full"
                  :disabled="!canEdit || saving"
                  placeholder="Rechercher un ou plusieurs fournisseurs..."
                  :initial-options="piece?.constructeurs || []"
                />
                <ConstructeurLinksTable
                  v-model="constructeurLinks"
                  class="mt-2"
                  @remove="handleConstructeurRemoved"
                />
              </template>
              <ConstructeurLinksTable
                v-else
                :model-value="constructeurLinks"
                readonly
              />
            </div>
          </div>

          <!-- Prix (if value or edit mode) -->
          <div v-if="isEditMode || piece.prix" class="grid grid-cols-1 gap-4 md:grid-cols-2">
            <div class="form-control">
              <label class="label">
                <span class="label-text">Prix indicatif (€)</span>
              </label>
              <input
                v-if="isEditMode"
                v-model="editionForm.prix"
                type="number"
                step="0.01"
                min="0"
                class="input input-bordered input-sm md:input-md"
                :disabled="!canEdit || saving"
                placeholder="Valeur indicatrice"
              >
              <div v-else class="input input-bordered input-sm md:input-md bg-base-200 flex items-center">
                {{ piece.prix }} €
              </div>
            </div>
          </div>

          <!-- Product requirements -->
          <div
            v-if="structureProducts.length"
            class="space-y-3 rounded-lg border border-base-200 bg-base-200/40 p-4"
          >
            <header class="space-y-1">
              <h2 class="font-semibold text-base-content">
                Produits liés
              </h2>
              <p class="text-xs text-base-content/70">
                {{ isEditMode ? 'Cette pièce doit rester liée à un produit catalogue répondant aux critères suivants.' : 'Produits associés à cette pièce via le squelette.' }}
              </p>
            </header>
            <ul class="space-y-2 text-sm text-base-content/80">
              <li
                v-for="(description, index) in productRequirementDescriptions"
                :key="`edit-requirement-${index}`"
                class="flex items-start gap-2"
              >
                <span class="mt-0.5 inline-flex h-2 w-2 flex-shrink-0 rounded-full bg-primary"></span>
                <span>{{ description }}</span>
              </li>
            </ul>
            <div v-if="isEditMode" class="grid grid-cols-1 gap-3 md:grid-cols-2">
              <div
                v-for="entry in productRequirementEntries"
                :key="entry.key"
                class="form-control"
              >
                <label class="label">
                  <span class="label-text text-xs font-medium" :class="{ 'text-error font-semibold': !productSelections[entry.index] }">
                    {{ entry.label }}
                  </span>
                </label>
                <ProductSelect
                  :model-value="productSelections[entry.index] || null"
                  :disabled="!canEdit || saving"
                  :type-product-id="entry.typeProductId"
                  helper-text="Un produit valide est requis pour cette pièce."
                  @update:model-value="(value) => setProductSelection(entry.index, value)"
                />
              </div>
            </div>
            <div v-else class="grid grid-cols-1 gap-3 md:grid-cols-2">
              <div
                v-for="(entry, index) in productRequirementEntries"
                :key="entry.key"
                class="form-control"
              >
                <label class="label">
                  <span class="label-text text-xs font-medium" :class="{ 'text-error font-semibold': !productSelectionLabels[index] }">{{ entry.label }}</span>
                </label>
                <div class="input input-bordered input-sm md:input-md flex items-center" :class="productSelectionLabels[index] ? 'bg-base-200' : 'border-error bg-error/10 text-error font-semibold'">
                  <template v-if="!productSelectionLabels[index]">{{ entry.label }} — manquant</template>
                  <template v-else>{{ productSelectionLabels[index] }}</template>
                </div>
              </div>
            </div>
          </div>

          <!-- Skeleton preview (edit mode only) -->
          <StructureSkeletonPreview
            v-if="isEditMode && (selectedType || resolvedStructure)"
            :structure="resolvedStructure"
            :description="selectedType?.description || 'Ce squelette définit la structure et les champs personnalisés de la pièce.'"
            :preview-badge="formatPieceStructurePreview(resolvedStructure)"
            variant="piece"
          />

          <!-- Custom fields -->
          <div v-if="visibleCustomFields.length" class="space-y-4 rounded-lg border border-base-200 bg-base-200/40 p-4">
            <header class="space-y-1">
              <h2 class="font-semibold text-base-content">Champs personnalisés</h2>
              <p v-if="isEditMode" class="text-xs text-base-content/70">
                Mettez à jour les valeurs propres à cette pièce.
              </p>
            </header>
            <template v-if="isEditMode">
              <CustomFieldInputGrid :fields="customFieldInputs" :disabled="!canEdit || saving" />
            </template>
            <template v-else>
              <div class="grid grid-cols-1 gap-4 md:grid-cols-2">
                <div
                  v-for="field in visibleCustomFields"
                  :key="field.customFieldValueId || field.id || field.name"
                  class="form-control"
                >
                  <label class="label">
                    <span class="label-text text-sm">{{ field.name }}</span>
                  </label>
                  <div class="input input-bordered input-sm bg-base-200 flex items-center">
                    {{ field.value }}
                  </div>
                </div>
              </div>
            </template>
          </div>

          <!-- Documents -->
          <div
            v-if="isEditMode || pieceDocuments.length > 0"
            class="space-y-4 rounded-lg border border-base-200 bg-base-200/40 p-4"
          >
            <header class="flex flex-col gap-1 md:flex-row md:items-center md:justify-between">
              <div>
                <h2 class="font-semibold text-base-content">Documents</h2>
                <p class="text-xs text-base-content/70">
                  {{ isEditMode ? 'Gérez les documents associés à cette pièce.' : 'Documents associés à cette pièce.' }}
                </p>
              </div>
              <span v-if="isEditMode && selectedFiles.length" class="badge badge-outline">
                {{ selectedFiles.length }} document{{ selectedFiles.length > 1 ? 's' : '' }} prêt{{ selectedFiles.length > 1 ? 's' : '' }} à être ajouté{{ selectedFiles.length > 1 ? 's' : '' }}
              </span>
            </header>
            <template v-if="isEditMode">
              <div :class="{ 'pointer-events-none opacity-60': !canEdit || saving || uploadingDocuments }">
                <DocumentUpload
                  v-model="selectedFiles"
                  title="Déposer vos fichiers"
                  subtitle="Formats acceptés : PDF, images, documents…"
                  @files-added="handleFilesAdded"
                />
              </div>
              <p v-if="uploadingDocuments" class="text-xs text-base-content/70">
                Téléversement des documents en cours…
              </p>
              <p v-else-if="loadingDocuments" class="text-xs text-base-content/70">
                Chargement des documents en cours…
              </p>
              <DocumentListInline
                v-else
                :documents="pieceDocuments"
                :can-delete="canEdit"
                :can-edit="true"
                :delete-disabled="uploadingDocuments"
                empty-text="Aucun document n'est associé à cette pièce pour le moment."
                @preview="openPreview"
                @edit="openEditModal"
                @delete="removeDocument"
              />
            </template>
            <template v-else>
              <p v-if="loadingDocuments" class="text-xs text-base-content/70">
                Chargement des documents en cours…
              </p>
              <DocumentListInline
                v-else
                :documents="pieceDocuments"
                :can-delete="false"
                :can-edit="false"
                empty-text="Aucun document n'est associé à cette pièce pour le moment."
                @preview="openPreview"
              />
            </template>
          </div>

          <EntityHistorySection
            :entries="history"
            :loading="historyLoading"
            :error="historyError"
            :field-labels="historyFieldLabels"
          />

          <EntityVersionList
            entity-type="piece"
            :entity-id="String(route.params.id)"
            :field-labels="historyFieldLabels"
            :refresh-key="versionRefreshKey"
            @restored="fetchPiece()"
          />

          <!-- Save buttons (edit mode only) -->
          <div v-if="isEditMode" class="flex flex-col gap-3 md:flex-row md:justify-end">
            <button type="button" class="btn btn-ghost" :class="{ 'btn-disabled': saving }" @click="isEditMode = false">
              Annuler
            </button>
            <button type="button" class="btn btn-primary" :disabled="!canSubmit" @click="submitEdition">
              <span v-if="saving" class="loading loading-spinner loading-sm mr-2" />
              Enregistrer les modifications
            </button>
          </div>

          <!-- Comments -->
          <div class="mt-4">
            <CommentSection
              entity-type="piece"
              :entity-id="String(route.params.id)"
              :entity-name="piece?.name"
              show-resolved
            />
          </div>
        </div>
      </section>
    </main>
  </div>
</template>

<script setup lang="ts">
import { computed, onMounted, ref, watch } from 'vue'
import { useRoute } from '#imports'
import { usePieceEdit } from '~/composables/usePieceEdit'
import { useDocuments } from '~/composables/useDocuments'
import { usePermissions } from '~/composables/usePermissions'

const route = useRoute()
const { canEdit } = usePermissions()
const { updateDocument } = useDocuments()

const isEditMode = ref(false)
const versionRefreshKey = ref(0)

const {
  piece,
  loading,
  saving,
  selectedFiles,
  uploadingDocuments,
  loadingDocuments,
  pieceDocuments,
  previewDocument,
  previewVisible,
  selectedTypeId,
  editionForm,
  constructeurLinks,
  productSelections,
  customFieldInputs,
  pieceTypeList,
  selectedType,
  resolvedStructure,
  structureProducts,
  productRequirementDescriptions,
  productRequirementEntries,
  canSubmit,
  historyFieldLabels,
  history,
  historyLoading,
  historyError,
  openPreview,
  closePreview,
  removeDocument,
  handleFilesAdded,
  setProductSelection,
  submitEdition: _submitEdition,
  fetchPiece,
  formatPieceStructurePreview,
} = usePieceEdit(String(route.params.id))

const submitEdition = async () => {
  await _submitEdition()
  if (!saving.value) {
    await fetchPiece()
    isEditMode.value = false
    versionRefreshKey.value++
  }
}

// Sync ConstructeurSelect changes → constructeurLinks
watch(() => editionForm.constructeurIds, (newIds) => {
  const existing = new Map(constructeurLinks.value.map(l => [l.constructeurId, l]))
  constructeurLinks.value = newIds.map(id =>
    existing.get(id) || { constructeurId: id, supplierReference: null },
  )
})

const handleConstructeurRemoved = (constructeurId: string) => {
  editionForm.constructeurIds = editionForm.constructeurIds.filter(id => id !== constructeurId)
}

const editingDocument = ref<any | null>(null)
const editModalVisible = ref(false)

// Resolve product names for read-only display from piece data
const productSelectionLabels = computed(() => {
  if (!piece.value) return []
  const p = piece.value as any
  // piece.product contains {id, name} for the legacy single product
  if (p.product?.name) return [p.product.name]
  return productSelections.value.map((id: string | null) => id || null)
})

const visibleCustomFields = computed(() => {
  if (isEditMode.value) return customFieldInputs.value
  return customFieldInputs.value.filter(
    (f) => f.value !== null && f.value !== undefined && f.value !== '',
  )
})

const openEditModal = (doc: any) => {
  editingDocument.value = doc
  editModalVisible.value = true
}

const handleDocumentUpdated = async (data: { name?: string; type?: string }) => {
  if (!editingDocument.value?.id) return
  const result = await updateDocument(editingDocument.value.id, data)
  if (result.success) {
    const idx = pieceDocuments.value.findIndex((d: any) => d.id === editingDocument.value?.id)
    if (idx !== -1) {
      pieceDocuments.value[idx] = { ...pieceDocuments.value[idx], ...data }
    }
  }
  editModalVisible.value = false
  editingDocument.value = null
}

onMounted(() => {
  if (route.query.edit === 'true' && canEdit.value) {
    isEditMode.value = true
  }
})
</script>