<template>
  <div :class="containerClass">
    <div class="border border-base-200 rounded-lg bg-base-100 shadow-sm">
      <div class="flex flex-wrap items-start justify-between gap-3 border-b border-base-200 px-4 py-3">
        <div class="flex-1 min-w-[220px] space-y-2">
          <label class="label">
            <span class="label-text text-xs font-semibold">
              {{ isRoot ? 'Composant racine de la catégorie' : 'Famille de composant' }}
            </span>
          </label>
          <template v-if="isRoot">
            <p class="text-[11px] text-base-content/50">
              Le composant racine correspond à la catégorie que vous éditez. Sélectionnez uniquement les familles pour les sous-composants.
            </p>
          </template>
          <template v-else-if="!lockType">
            <select
              v-model="node.typeComposantId"
              class="select select-bordered select-sm w-full"
              :disabled="isLocked"
              @change="handleComponentTypeSelect(node)"
            >
              <option value="">
                Sélectionner une famille de composant
              </option>
              <option
                v-for="type in componentTypes"
                :key="type.id"
                :value="type.id"
              >
                {{ formatComponentTypeOption(type) }}
              </option>
            </select>
            <p class="text-[11px] text-base-content/50">
              {{ node.typeComposantId ? `Sélection : ${getComponentTypeLabel(node.typeComposantId) || 'Inconnue'}` : 'Aucune famille sélectionnée' }}
            </p>
            <div v-if="!isRoot" class="form-control mt-2">
              <label class="label py-1">
                <span class="label-text text-[11px]">Alias (optionnel)</span>
              </label>
              <input
                v-model="node.alias"
                type="text"
                class="input input-bordered input-xs"
                placeholder="Alias du sous-composant"
                :disabled="isLocked"
              />
            </div>
          </template>
          <template v-else>
            <div class="input input-bordered input-sm bg-base-200 flex items-center">
              {{ lockedTypeDisplay }}
            </div>
          </template>
        </div>
        <button
          v-if="!isRoot && !isLocked"
          type="button"
          class="btn btn-error btn-xs btn-square"
          @click="emit('remove')"
        >
          <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
        </button>
        <div v-else-if="!isRoot && isLocked" class="tooltip tooltip-left" data-tip="Ce sous-composant ne peut pas être supprimé">
          <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>

      <div class="px-4 py-4 space-y-5">
        <section v-if="isRoot" class="space-y-3">
          <h4 :class="headingClass">
            {{ isRoot ? 'Champs personnalisés du composant' : 'Champs personnalisés' }}
          </h4>
          <p v-if="!(node.customFields?.length)" class="text-xs text-base-content/50">
            Aucun champ n'a encore été défini.
          </p>
          <div v-else class="space-y-2">
            <div
              v-for="(field, index) in node.customFields"
              :key="`field-${index}`"
              class="border border-base-200 rounded-md p-3 space-y-2 transition-colors"
              :class="customFieldReorderClass(index)"
              draggable="true"
              @dragstart="onCustomFieldDragStart(index, $event)"
              @dragenter="onCustomFieldDragEnter(index)"
              @dragover.prevent
              @drop="onCustomFieldDrop(index)"
              @dragend="onCustomFieldDragEnd"
            >
              <div class="flex items-start justify-between gap-2">
                <div class="flex items-center gap-2">
                  <button
                    type="button"
                    class="btn btn-ghost btn-xs btn-square cursor-grab active:cursor-grabbing"
                    title="Réorganiser"
                    draggable="true"
                    @dragstart.stop="onCustomFieldDragStart(index, $event)"
                  >
                    <IconLucideGripVertical class="w-4 h-4" aria-hidden="true" />
                  </button>
                </div>
                <div class="flex-1 space-y-2">
                  <div class="grid grid-cols-1 md:grid-cols-2 gap-2">
                    <CustomFieldNameInput
                      v-model="field.name"
                      placeholder="Nom du champ"
                      size="xs"
                    />
                    <select v-model="field.type" class="select select-bordered select-xs">
                      <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" />
                    Obligatoire
                  </div>
                  <div class="flex items-center gap-2 text-xs">
                    <input v-model="field.machineContextOnly" type="checkbox" class="checkbox checkbox-xs">
                    Contexte machine uniquement
                  </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"
                  ></textarea>
                </div>
                <button
                  type="button"
                  class="btn btn-error btn-xs btn-square"
                  @click="removeCustomField(index)"
                >
                  <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
                </button>
              </div>
            </div>
          </div>
          <button type="button" class="btn btn-outline btn-xs" @click="addCustomField">
            <IconLucidePlus class="w-3 h-3 mr-2" aria-hidden="true" />
            Ajouter
          </button>
        </section>

        <section v-if="isRoot" class="space-y-3">
          <h4 :class="headingClass">
            {{ isRoot ? 'Produits inclus par défaut' : 'Produits' }}
          </h4>
          <p v-if="!(node.products?.length)" class="text-xs text-base-content/50">
            Aucun produit défini.
          </p>
          <div v-else class="space-y-2">
            <div
              v-for="(product, index) in node.products"
              :key="`product-${index}`"
              class="relative border border-base-200 rounded-md p-3 pl-10 space-y-3 transition-colors"
              :class="productReorderClass(index)"
              @dragenter="onProductDragEnter(index)"
              @dragover="onProductDragOver"
              @drop="onProductDrop(index)"
            >
              <button
                type="button"
                class="absolute left-2 top-3 btn btn-ghost btn-xs btn-square cursor-grab active:cursor-grabbing"
                draggable="true"
                title="Réorganiser"
                @dragstart="onProductDragStart(index, $event)"
                @dragend="onProductDragEnd"
              >
                <IconLucideGripVertical class="w-4 h-4" aria-hidden="true" />
              </button>
              <div class="flex items-start justify-between gap-2">
                <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"
                      @change="handleProductTypeSelect(product)"
                    >
                      <option value="">
                        Sélectionner une famille
                      </option>
                      <option
                        v-for="type in productTypes"
                        :key="type.id"
                        :value="type.id"
                      >
                        {{ formatProductTypeOption(type) }}
                      </option>
                    </select>
                  </div>
                </div>
                <button type="button" class="btn btn-error btn-xs btn-square" @click="removeProduct(index)">
                  <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
                </button>
              </div>
            </div>
          </div>
          <button 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 v-if="isRoot" class="space-y-3">
          <h4 :class="headingClass">
            {{ isRoot ? 'Pièces incluses par défaut' : 'Pièces' }}
          </h4>
          <p v-if="!(node.pieces?.length)" class="text-xs text-base-content/50">
            Aucune pièce définie.
          </p>
          <div v-else class="space-y-2">
            <div
              v-for="(piece, index) in node.pieces"
              :key="`piece-${index}`"
              class="relative border border-base-200 rounded-md p-3 pl-10 space-y-3 transition-colors"
              :class="pieceReorderClass(index)"
              @dragenter="onPieceDragEnter(index)"
              @dragover="onPieceDragOver"
              @drop="onPieceDrop(index)"
            >
              <button
                type="button"
                class="absolute left-2 top-3 btn btn-ghost btn-xs btn-square cursor-grab active:cursor-grabbing"
                draggable="true"
                title="Réorganiser"
                @dragstart="onPieceDragStart(index, $event)"
                @dragend="onPieceDragEnd"
              >
                <IconLucideGripVertical class="w-4 h-4" aria-hidden="true" />
              </button>
              <div class="flex items-start justify-between gap-2">
                <div class="flex-1 space-y-3">
                  <div class="form-control">
                    <label class="label"><span class="label-text">Famille de pièce</span></label>
                    <div>
                      <select
                        v-model="piece.typePieceId"
                        class="select select-bordered select-xs"
                        @change="handlePieceTypeSelect(piece)"
                      >
                        <option value="">
                          Sélectionner une famille
                        </option>
                        <option
                          v-for="type in pieceTypes"
                          :key="type.id"
                          :value="type.id"
                        >
                          {{ formatPieceTypeOption(type) }}
                        </option>
                      </select>
                    </div>
                    <p class="mt-1 text-[11px] text-base-content/50">
                      {{ piece.typePieceId ? `Sélection : ${getPieceTypeLabel(piece.typePieceId) || 'Inconnue'}` : 'Aucune famille sélectionnée' }}
                    </p>
                  </div>
                  <!-- Quantity is set per-component on the component edit page -->
                </div>
                <button type="button" class="btn btn-error btn-xs btn-square" @click="removePiece(index)">
                  <IconLucideTrash class="w-4 h-4" aria-hidden="true" />
                </button>
              </div>
            </div>
          </div>
          <button type="button" class="btn btn-outline btn-xs" @click="addPiece">
            <IconLucidePlus class="w-3 h-3 mr-2" aria-hidden="true" />
            Ajouter
          </button>
        </section>

        <section v-if="canManageSubcomponents || hasSubcomponents" class="space-y-3">
          <h4 :class="headingClass">Sous-composants</h4>
          <p v-if="!isRoot && canManageSubcomponents" class="text-[11px] text-base-content/50">
            Sélectionnez uniquement la famille de ce sous-composant ; il sera configuré via son propre modèle.
          </p>
          <p v-if="!hasSubcomponents" class="text-xs text-base-content/50">
            Aucun sous-composant défini.
          </p>
          <div v-else class="space-y-3">
            <div
              v-for="(subComponent, index) in node.subcomponents"
              :key="`sub-${index}`"
              class="relative pl-8 transition-shadow rounded-lg"
              :class="subcomponentReorderClass(index)"
              @dragenter="onSubcomponentDragEnter(index)"
              @dragover="onSubcomponentDragOver"
              @drop="onSubcomponentDrop(index)"
            >
              <button
                type="button"
                class="absolute left-0 top-4 btn btn-ghost btn-xs btn-square cursor-grab active:cursor-grabbing"
                draggable="true"
                title="Réorganiser"
                @dragstart="onSubcomponentDragStart(index, $event)"
                @dragend="onSubcomponentDragEnd"
              >
                <IconLucideGripVertical class="w-4 h-4" aria-hidden="true" />
              </button>
              <StructureNodeEditor
                :node="subComponent"
                :depth="depth + 1"
                :component-types="componentTypes"
                :piece-types="pieceTypes"
                :product-types="productTypes"
                :allow-subcomponents="childAllowSubcomponents"
                :max-subcomponent-depth="maxSubcomponentDepth"
                @remove="removeSubComponent(index)"
              />
            </div>
          </div>
          <button
            v-if="canManageSubcomponents"
            type="button"
            class="btn btn-outline btn-xs"
            @click="addSubComponent"
          >
            <IconLucidePlus class="w-3 h-3 mr-2" aria-hidden="true" />
            Ajouter
          </button>
        </section>
      </div>
    </div>
  </div>
</template>

<script setup lang="ts">
import IconLucidePlus from '~icons/lucide/plus'
import IconLucideTrash from '~icons/lucide/trash'
import IconLucideGripVertical from '~icons/lucide/grip-vertical'
import type { EditableStructureNode, ModelTypeOption } from '~/composables/useStructureNodeLogic'

defineOptions({ name: 'StructureNodeEditor' })

const props = withDefaults(defineProps<{
  node: EditableStructureNode
  depth?: number
  componentTypes?: ModelTypeOption[]
  pieceTypes?: ModelTypeOption[]
  productTypes?: ModelTypeOption[]
  isRoot?: boolean
  lockType?: boolean
  lockedTypeLabel?: string
  allowSubcomponents?: boolean
  maxSubcomponentDepth?: number
  isLocked?: boolean
}>(), {
  depth: 0,
  componentTypes: () => [],
  pieceTypes: () => [],
  productTypes: () => [],
  isRoot: false,
  lockType: false,
  lockedTypeLabel: '',
  allowSubcomponents: true,
  maxSubcomponentDepth: Infinity,
  isLocked: false,
})

const emit = defineEmits(['remove'])

const {
  isLocked,
  componentTypes,
  pieceTypes,
  productTypes,
  canManageSubcomponents,
  childAllowSubcomponents,
  hasSubcomponents,
  containerClass,
  headingClass,
  lockedTypeDisplay,
  getComponentTypeLabel,
  getPieceTypeLabel,
  formatComponentTypeOption,
  formatPieceTypeOption,
  formatProductTypeOption,
  handleComponentTypeSelect,
  handlePieceTypeSelect,
  handleProductTypeSelect,
  addCustomField,
  removeCustomField,
  addPiece,
  removePiece,
  addProduct,
  removeProduct,
  addSubComponent,
  removeSubComponent,
  onCustomFieldDragStart,
  onCustomFieldDragEnter,
  onCustomFieldDrop,
  onCustomFieldDragEnd,
  customFieldReorderClass,
  onPieceDragStart,
  onPieceDragEnter,
  onPieceDragOver,
  onPieceDrop,
  onPieceDragEnd,
  pieceReorderClass,
  onProductDragStart,
  onProductDragEnter,
  onProductDragOver,
  onProductDrop,
  onProductDragEnd,
  productReorderClass,
  onSubcomponentDragStart,
  onSubcomponentDragEnter,
  onSubcomponentDragOver,
  onSubcomponentDrop,
  onSubcomponentDragEnd,
  subcomponentReorderClass,
} = useStructureNodeLogic(props)
</script>
