Inventory/app/components/PieceModelStructureEditor.vue

<template>
  <div class="space-y-6">
    <section class="space-y-3">
      <header>
        <h3 class="text-sm font-semibold">
          Produits inclus par défaut
        </h3>
        <p class="text-xs text-base-content/70">
          Ces produits s'afficheront lors de la création d'une pièce basée sur cette catégorie.
        </p>
      </header>

      <p v-if="!products.length" class="text-xs text-gray-500">
        Aucun produit défini.
      </p>

      <ul v-else class="space-y-2" role="list">
        <li
          v-for="(product, index) in products"
          :key="product.uid"
          class="space-y-3 rounded-md border border-base-200 bg-base-100 p-3"
        >
          <div class="flex items-start justify-between gap-3">
            <div class="flex-1 space-y-3">
              <div class="form-control">
                <label class="label py-1">
                  <span class="label-text text-xs">Famille de produit</span>
                </label>
                <select
                  v-model="product.typeProductId"
                  class="select select-bordered select-xs"
                  :disabled="isProductLocked(product)"
                  @change="handleProductTypeSelect(product)"
                >
                  <option value="">
                    Sélectionner une famille
                  </option>
                  <option
                    v-for="type in productTypeOptions"
                    :key="type.id"
                    :value="type.id"
                  >
                    {{ formatProductTypeOption(type) }}
                  </option>
                </select>
              </div>
            </div>
            <button
              v-if="!isProductLocked(product)"
              type="button"
              class="btn btn-error btn-xs btn-square"
              @click="removeProduct(index)"
            >
              <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
            </button>
            <div v-else class="tooltip tooltip-left" data-tip="Ce produit ne peut pas être supprimé car des éléments utilisent cette catégorie">
              <button
                type="button"
                class="btn btn-ghost btn-xs btn-square opacity-30 cursor-not-allowed"
                disabled
              >
                <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
              </button>
            </div>
          </div>
        </li>
      </ul>
      <button v-if="!restrictedMode" type="button" class="btn btn-outline btn-xs" @click="addProduct">
        <IconLucidePlus class="w-3 h-3 mr-2" aria-hidden="true" />
        Ajouter
      </button>
    </section>

    <section class="space-y-3">
      <h3 class="text-sm font-semibold">
        Champs personnalisés
      </h3>

      <p v-if="!fields.length" class="text-xs text-gray-500">
        Aucun champ personnalisé n'a encore été défini.
      </p>

      <ul v-else class="space-y-2" role="list">
        <li
          v-for="(field, index) in fields"
          :key="field.uid"
          class="border border-base-200 rounded-md p-3 space-y-2 bg-base-100 transition-colors"
          :class="reorderClass(index)"
          draggable="true"
          @dragstart="onDragStart(index, $event)"
          @dragenter="onDragEnter(index)"
          @dragover.prevent="onDragEnter(index)"
          @drop.prevent="onDrop(index)"
          @dragend="onDragEnd"
        >
          <div class="flex items-start gap-3">
            <button
              type="button"
              class="btn btn-ghost btn-xs btn-square cursor-grab active:cursor-grabbing mt-1"
              title="Réordonner"
              draggable="false"
            >
              <IconLucideGripVertical class="w-4 h-4" aria-hidden="true" />
            </button>

            <div class="flex-1 space-y-2">
              <div class="grid grid-cols-1 md:grid-cols-2 gap-2">
                <input
                  v-model="field.name"
                  type="text"
                  class="input input-bordered input-xs"
                  placeholder="Nom du champ"
                >
                <select v-model="field.type" class="select select-bordered select-xs" :disabled="isFieldLocked(field)">
                  <option value="text">
                    Texte
                  </option>
                  <option value="number">
                    Nombre
                  </option>
                  <option value="select">
                    Liste
                  </option>
                  <option value="boolean">
                    Oui/Non
                  </option>
                  <option value="date">
                    Date
                  </option>
                </select>
              </div>

              <div class="flex items-center gap-2 text-xs">
                <input v-model="field.required" type="checkbox" class="checkbox checkbox-xs" :disabled="isFieldLocked(field)">
                Obligatoire
              </div>

              <textarea
                v-if="field.type === 'select'"
                v-model="field.optionsText"
                class="textarea textarea-bordered textarea-xs h-20"
                placeholder="Option 1&#10;Option 2"
                :disabled="isFieldLocked(field)"
              />
            </div>

            <button
              v-if="!isFieldLocked(field)"
              type="button"
              class="btn btn-error btn-xs btn-square"
              @click="removeField(index)"
            >
              <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
            </button>
            <div v-else class="tooltip tooltip-left" data-tip="Ce champ ne peut pas être supprimé car des éléments utilisent cette catégorie">
              <button
                type="button"
                class="btn btn-ghost btn-xs btn-square opacity-30 cursor-not-allowed"
                disabled
              >
                <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
              </button>
            </div>
          </div>
        </li>
      </ul>
      <button type="button" class="btn btn-outline btn-xs" @click="addField">
        <IconLucidePlus class="w-3 h-3 mr-2" aria-hidden="true" />
        Ajouter
      </button>
    </section>
  </div>
</template>

<script setup lang="ts">
import { computed, onMounted, reactive, ref, watch } from 'vue'
import IconLucideGripVertical from '~icons/lucide/grip-vertical'
import IconLucidePlus from '~icons/lucide/plus'
import IconLucideTrash from '~icons/lucide/trash'
import type {
  PieceModelCustomField,
  PieceModelCustomFieldType,
  PieceModelProduct,
  PieceModelStructure,
  PieceModelStructureEditorField,
} from '~/shared/types/inventory'
import { normalizePieceStructureForSave } from '~/shared/modelUtils'
import { useProductTypes } from '~/composables/useProductTypes'

defineOptions({ name: 'PieceModelStructureEditor' })

type EditorField = PieceModelStructureEditorField & { uid: string }
type EditorProduct = {
  uid: string
  typeProductId: string
  typeProductLabel: string
  familyCode: string
}

const props = defineProps<{
  modelValue?: PieceModelStructure | null
  restrictedMode?: boolean
}>()

const emit = defineEmits<{
  (event: 'update:modelValue', value: PieceModelStructure): void
}>()

const { productTypes, loadProductTypes } = useProductTypes()

const ensureArray = <T,>(value: T[] | null | undefined): T[] =>
  Array.isArray(value) ? value : []

const normalizeLineEndings = (value: string): string =>
  value.replace(/\r\n/g, '\n').replace(/\r/g, '\n')

const safeClone = <T,>(value: T, fallback: T): T => {
  try {
    return JSON.parse(JSON.stringify(value ?? fallback)) as T
  } catch {
    return JSON.parse(JSON.stringify(fallback)) as T
  }
}

const extractRest = (structure?: PieceModelStructure | null): Record<string, unknown> => {
  if (!structure || typeof structure !== 'object') {
    return {}
  }
  const entries = Object.entries(structure).filter(
    ([key]) => key !== 'customFields' && key !== 'products',
  )
  return safeClone(Object.fromEntries(entries), {})
}

let uidCounter = 0
const createUid = (scope: 'field' | 'product'): string => {
  if (typeof crypto !== 'undefined' && typeof crypto.randomUUID === 'function') {
    return crypto.randomUUID()
  }
  uidCounter += 1
  return `piece-${scope}-${Date.now().toString(36)}-${uidCounter}`
}

const toEditorField = (
  input: Partial<PieceModelStructureEditorField> | null | undefined,
  index: number,
): EditorField => {
  const baseType = typeof input?.type === 'string' && input.type ? input.type : 'text'
  const optionsText = normalizeLineEndings(
    typeof input?.optionsText === 'string'
      ? input.optionsText
      : Array.isArray(input?.options)
        ? input.options.join('\n')
        : '',
  )

  return {
    uid: createUid('field'),
    name: typeof input?.name === 'string' ? input.name : '',
    type: baseType as PieceModelCustomFieldType,
    required: Boolean(input?.required),
    optionsText,
    orderIndex: typeof input?.orderIndex === 'number' ? input.orderIndex : index,
  }
}

const hydrateFields = (structure?: PieceModelStructure | null): EditorField[] => {
  const source = ensureArray(structure?.customFields)
  return source
    .map((field, index) => toEditorField(field, index))
    .sort((a, b) => (a.orderIndex ?? 0) - (b.orderIndex ?? 0))
    .map((field, index) => ({ ...field, orderIndex: index }))
}

const toEditorProduct = (
  input: Partial<PieceModelProduct> | null | undefined,
): EditorProduct => ({
  uid: createUid('product'),
  typeProductId: typeof input?.typeProductId === 'string' ? input.typeProductId : '',
  typeProductLabel:
    typeof input?.typeProductLabel === 'string' ? input.typeProductLabel : '',
  familyCode: typeof input?.familyCode === 'string' ? input.familyCode : '',
})

const hydrateProducts = (structure?: PieceModelStructure | null): EditorProduct[] => {
  const source = Array.isArray(structure?.products) ? structure?.products : []
  return source.map((product) => toEditorProduct(product))
}

const productTypeOptions = computed(() => productTypes.value ?? [])

const productTypeMap = computed(() => {
  const map = new Map<string, any>()
  productTypeOptions.value.forEach((type: any) => {
    if (type?.id) {
      map.set(type.id, type)
    }
  })
  return map
})

const formatProductTypeOption = (type: any) => {
  if (!type) {
    return ''
  }
  const parts: string[] = []
  if (type.code) {
    parts.push(type.code)
  }
  if (type.name) {
    parts.push(type.name)
  }
  return parts.length ? parts.join(' • ') : type.id || ''
}

const updateProductTypeMetadata = (product: EditorProduct) => {
  const option = product.typeProductId
    ? productTypeMap.value.get(product.typeProductId)
    : null
  product.typeProductLabel = option?.name ?? ''
}

const handleProductTypeSelect = (product: EditorProduct) => {
  const option = product.typeProductId
    ? productTypeMap.value.get(product.typeProductId)
    : null
  product.typeProductLabel = option?.name ?? ''
  if (option?.code) {
    product.familyCode = option.code
  }
}

const createEmptyProduct = (): EditorProduct => ({
  uid: createUid('product'),
  typeProductId: '',
  typeProductLabel: '',
  familyCode: '',
})

const addProduct = () => {
  products.value.push(createEmptyProduct())
}

const removeProduct = (index: number) => {
  products.value = products.value.filter((_, idx) => idx !== index)
}

const fields = ref<EditorField[]>(hydrateFields(props.modelValue))
const products = ref<EditorProduct[]>(hydrateProducts(props.modelValue))
const restState = ref<Record<string, unknown>>(extractRest(props.modelValue))

const initialFieldUids = ref<Set<string>>(new Set(fields.value.map(f => f.uid)))
const initialProductUids = ref<Set<string>>(new Set(products.value.map(p => p.uid)))

const isFieldLocked = (field: EditorField): boolean => {
  return props.restrictedMode === true && initialFieldUids.value.has(field.uid)
}

const isProductLocked = (product: EditorProduct): boolean => {
  return props.restrictedMode === true && initialProductUids.value.has(product.uid)
}

const restrictedMode = computed(() => props.restrictedMode === true)

const applyOrderIndex = (list: EditorField[]): EditorField[] =>
  list.map((field, index) => ({
    ...field,
    orderIndex: index,
  }))

const normalizeProductEntry = (product: EditorProduct): PieceModelProduct | null => {
  const typeProductId = typeof product.typeProductId === 'string' ? product.typeProductId.trim() : ''
  const familyCode = typeof product.familyCode === 'string' ? product.familyCode.trim() : ''

  if (!typeProductId && !familyCode) {
    return null
  }

  const payload: PieceModelProduct = {}
  if (typeProductId) {
    payload.typeProductId = typeProductId
  }
  if (familyCode) {
    payload.familyCode = familyCode
  }
  if (product.typeProductLabel) {
    payload.typeProductLabel = product.typeProductLabel
  }
  return payload
}

const buildPayload = (
  fieldsSource: EditorField[],
  productsSource: EditorProduct[],
  restSource: Record<string, unknown>,
): PieceModelStructure => {
  const normalizedFields = fieldsSource
    .map<PieceModelCustomField | null>((field, index) => {
      const name = field.name.trim()
      if (!name) {
        return null
      }

      const type = (field.type || 'text') as PieceModelCustomFieldType
      const required = Boolean(field.required)
      const payload: PieceModelCustomField = {
        name,
        type,
        required,
        orderIndex: index,
      }

      if (type === 'select') {
        const options = normalizeLineEndings(field.optionsText)
          .split('\n')
          .map((option) => option.trim())
          .filter((option) => option.length > 0)
        if (options.length > 0) {
          payload.options = options
        }
      }

      return payload
    })
    .filter((field): field is PieceModelCustomField => Boolean(field))

  const normalizedProducts = productsSource
    .map((product) => normalizeProductEntry(product))
    .filter((product): product is PieceModelProduct => Boolean(product))

  const draft: PieceModelStructure = {
    ...safeClone(restSource, {}),
    products: normalizedProducts,
    customFields: normalizedFields,
  }

  return normalizePieceStructureForSave(draft)
}

const serializeStructure = (structure?: PieceModelStructure | null): string => {
  return JSON.stringify(normalizePieceStructureForSave(structure ?? { customFields: [] }))
}

let lastEmitted = serializeStructure(props.modelValue)

const emitUpdate = () => {
  const payload = buildPayload(fields.value, products.value, restState.value)
  const serialized = JSON.stringify(payload)
  if (serialized !== lastEmitted) {
    lastEmitted = serialized
    emit('update:modelValue', payload)
  }
}

watch(fields, emitUpdate, { deep: true })
watch(products, emitUpdate, { deep: true })
watch(productTypeOptions, () => {
  products.value.forEach((product) => updateProductTypeMetadata(product))
})

watch(
  () => props.modelValue,
  (value) => {
    const incomingSerialized = serializeStructure(value)
    if (incomingSerialized === lastEmitted) {
      return
    }
    restState.value = extractRest(value)
    fields.value = hydrateFields(value)
    products.value = hydrateProducts(value)
    products.value.forEach((product) => updateProductTypeMetadata(product))
    lastEmitted = incomingSerialized
    initialFieldUids.value = new Set(fields.value.map(f => f.uid))
    initialProductUids.value = new Set(products.value.map(p => p.uid))
  },
  { deep: true },
)

onMounted(async () => {
  if (!productTypeOptions.value.length) {
    await loadProductTypes()
  }
  products.value.forEach((product) => updateProductTypeMetadata(product))
})

const dragState = reactive({
  draggingIndex: null as number | null,
  dropTargetIndex: null as number | null,
})

const resetDragState = () => {
  dragState.draggingIndex = null
  dragState.dropTargetIndex = null
}

const reorderFields = (from: number, to: number) => {
  if (from === to) {
    resetDragState()
    return
  }

  const list = fields.value.slice()
  if (from < 0 || to < 0 || from >= list.length || to >= list.length) {
    resetDragState()
    return
  }

  const [moved] = list.splice(from, 1)
  if (!moved) {
    resetDragState()
    return
  }
  list.splice(to, 0, moved)
  fields.value = applyOrderIndex(list)
  resetDragState()
}

const onDragStart = (index: number, event: DragEvent) => {
  dragState.draggingIndex = index
  dragState.dropTargetIndex = index
  if (event.dataTransfer) {
    event.dataTransfer.effectAllowed = 'move'
  }
}

const onDragEnter = (index: number) => {
  if (dragState.draggingIndex === null) {
    return
  }
  dragState.dropTargetIndex = index
}

const onDrop = (index: number) => {
  if (dragState.draggingIndex === null) {
    resetDragState()
    return
  }
  reorderFields(dragState.draggingIndex, index)
}

const onDragEnd = () => {
  resetDragState()
}

const reorderClass = (index: number) => {
  if (dragState.draggingIndex === index) {
    return 'border-dashed border-primary bg-primary/5'
  }
  if (
    dragState.draggingIndex !== null &&
    dragState.dropTargetIndex === index &&
    dragState.draggingIndex !== index
  ) {
    return 'border-primary border-dashed bg-primary/10'
  }
  return ''
}

const createEmptyField = (orderIndex: number): EditorField => ({
  uid: createUid('field'),
  name: '',
  type: 'text',
  required: false,
  optionsText: '',
  orderIndex,
})

const addField = () => {
  const next = fields.value.slice()
  next.push(createEmptyField(next.length))
  fields.value = applyOrderIndex(next)
}

const removeField = (index: number) => {
  const next = fields.value.filter((_, i) => i !== index)
  fields.value = applyOrderIndex(next)
}
</script>