<template>
  <Teleport to="body">
    <!-- Backdrop -->
    <Transition name="backdrop">
      <div
        v-if="modelValue && structureId != null"
        class="fixed inset-0 z-[1500]"
        style="background: rgba(26,34,56,0.55);"
        @click="close"
        aria-hidden="true"
      />
    </Transition>

    <!-- Modal -->
    <Transition name="modal">
      <div
        v-if="modelValue && structureId != null && structure"
        class="fixed z-[1501] top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 flex flex-col"
        style="
          width: min(780px, 94vw);
          max-height: 90vh;
          background: var(--nav-bg);
          border-radius: 16px;
          box-shadow: 0 16px 64px rgba(26,34,56,0.28);
          overflow: hidden;
        "
        role="dialog"
        aria-modal="true"
        :aria-label="structure?.nom ?? 'Fiche structure'"
        @keydown.esc="close"
      >
        <!-- Header modal -->
        <div
          class="flex items-center justify-between px-5 py-3 shrink-0"
          :style="`border-bottom: 3px solid ${familleColor}; background: var(--nav-surface);`"
        >
          <div class="flex items-center gap-3">
            <!-- Pastille famille -->
            <div
              class="w-3 h-3 rounded-full shrink-0"
              :style="`background: ${familleColor};`"
            />
            <span class="text-sm font-semibold" style="color: var(--nav-text-muted);">
              {{ familleLabel }}
            </span>
            <!-- Badges -->
            <div class="flex gap-1.5">
              <span
                v-if="structure.badges.centre_ressources"
                class="px-2 py-0.5 rounded-full text-xs font-medium"
                style="background: #2d8a6b22; color: #2d8a6b;"
              >Centre ressources</span>
              <span
                v-if="structure.badges.mouvement_manifeste"
                class="px-2 py-0.5 rounded-full text-xs font-medium"
                style="background: #c44a2f22; color: #c44a2f;"
              >Manifeste</span>
              <span
                v-if="structure.badges.contre_pouvoir_spatial"
                class="px-2 py-0.5 rounded-full text-xs font-medium"
                style="background: #1a3a6b22; color: #1a3a6b;"
              >Contre-pouvoir</span>
              <span
                v-if="structure.badges.f6_recherche_politique"
                class="px-2 py-0.5 rounded-full text-xs font-medium"
                style="background: #6b3fa022; color: #6b3fa0;"
              >Recherche pol.</span>
            </div>
          </div>
          <div class="flex items-center gap-2">
            <a
              v-if="structure.url"
              :href="structure.url"
              target="_blank"
              rel="noopener noreferrer"
              class="flex items-center gap-1.5 px-3 py-1.5 rounded-lg text-xs font-medium transition-opacity hover:opacity-70"
              style="background: var(--nav-bg-alt); color: var(--nav-text);"
            >
              <svg width="12" height="12" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" aria-hidden="true">
                <path d="M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6"/>
                <polyline points="15 3 21 3 21 9"/>
                <line x1="10" y1="14" x2="21" y2="3"/>
              </svg>
              Site web
            </a>
            <button
              @click="close"
              class="w-8 h-8 rounded-lg flex items-center justify-center transition-colors"
              style="background: var(--nav-bg-alt); color: var(--nav-text-muted);"
              aria-label="Fermer"
            >
              <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2.5" stroke-linecap="round" aria-hidden="true">
                <line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/>
              </svg>
            </button>
          </div>
        </div>

        <!-- Contenu scrollable -->
        <div class="flex-1 overflow-y-auto px-5 py-5">
          <!-- Nom + meta -->
          <div class="mb-4">
            <h2 class="text-xl font-bold mb-1" style="color: var(--nav-text);">{{ structure.nom }}</h2>
            <div class="flex flex-wrap gap-2 text-sm" style="color: var(--nav-text-muted);">
              <span>{{ structure.type_principal }}</span>
              <span>·</span>
              <span>{{ structure.ville }}, {{ structure.pays }}</span>
            </div>
          </div>

          <!-- Hashtags -->
          <div v-if="structure.hashtags.length" class="flex flex-wrap gap-1.5 mb-4">
            <span
              v-for="tag in structure.hashtags"
              :key="tag"
              class="px-2 py-0.5 rounded-full text-xs"
              style="background: var(--nav-bg-alt); color: var(--nav-text-muted);"
            >{{ tag }}</span>
          </div>

          <!-- Description courte -->
          <p class="text-sm leading-relaxed mb-4" style="color: var(--nav-text);">{{ structure.description_courte }}</p>

          <!-- Description longue (expandable) -->
          <div v-if="structure.description_longue" class="mb-4">
            <div
              class="text-sm leading-relaxed"
              style="color: var(--nav-text); white-space: pre-wrap;"
              :style="showFullDesc ? '' : 'max-height: 120px; overflow: hidden;'"
            >{{ structure.description_longue }}</div>
            <button
              @click="showFullDesc = !showFullDesc"
              class="mt-2 text-xs underline"
              style="color: var(--nav-text-muted);"
            >{{ showFullDesc ? 'Réduire' : 'Lire la suite…' }}</button>
          </div>

          <!-- Pensées rattachées -->
          <div v-if="structure.pensees && structure.pensees.length" class="mb-4">
            <h3 class="text-xs font-bold uppercase tracking-wide mb-2" style="color: var(--nav-text-muted);">Pensées rattachées</h3>
            <div class="flex flex-wrap gap-1.5">
              <span
                v-for="pensee in structure.pensees"
                :key="pensee.id"
                class="px-2 py-0.5 rounded text-xs"
                :style="pensee.confiance === 'ia_suggested'
                  ? 'background: var(--nav-bg-alt); color: var(--nav-text-muted); border: 1px dashed var(--nav-bg-alt);'
                  : 'background: var(--nav-bg-alt); color: var(--nav-text);'"
                :title="pensee.confiance === 'ia_suggested' ? 'IA suggéré' : ''"
              >
                {{ pensee.label }}<span v-if="pensee.confiance === 'ia_suggested'" class="ml-1 opacity-60">~</span>
              </span>
            </div>
          </div>

          <!-- Projets emblématiques -->
          <div v-if="projetsStructure.length" class="mb-4">
            <h3 class="text-xs font-bold uppercase tracking-wide mb-2" style="color: var(--nav-text-muted);">Projets emblématiques</h3>
            <div class="space-y-2">
              <div
                v-for="projet in projetsStructure.slice(0, 5)"
                :key="projet.id"
                class="rounded-lg p-3"
                style="background: var(--nav-surface); border: 1px solid var(--nav-bg-alt);"
              >
                <div class="flex items-start justify-between gap-2">
                  <span class="font-medium text-sm" style="color: var(--nav-text);">{{ projet.nom }}</span>
                  <span v-if="projet.annee" class="text-xs shrink-0" style="color: var(--nav-text-muted);">{{ projet.annee }}</span>
                </div>
                <div v-if="projet.lieu" class="text-xs mt-0.5" style="color: var(--nav-text-muted);">{{ projet.lieu }}</div>
                <p class="text-xs mt-1 leading-relaxed" style="color: var(--nav-text-muted);">{{ projet.description.slice(0, 120) }}{{ projet.description.length > 120 ? '…' : '' }}</p>
                <a
                  v-if="projet.url"
                  :href="projet.url"
                  target="_blank"
                  rel="noopener noreferrer"
                  class="text-xs mt-1 inline-block"
                  style="color: var(--nav-text-muted); text-decoration: underline;"
                >En savoir plus →</a>
              </div>
            </div>
          </div>

          <!-- Structures voisines (graphe) -->
          <div v-if="structuresVoisines.length" class="mb-4">
            <h3 class="text-xs font-bold uppercase tracking-wide mb-2" style="color: var(--nav-text-muted);">Structures liées</h3>
            <div class="flex flex-wrap gap-2">
              <button
                v-for="voisine in structuresVoisines.slice(0, 6)"
                :key="voisine.id"
                class="px-2 py-1 rounded text-xs transition-colors hover:opacity-70"
                style="background: var(--nav-bg-alt); color: var(--nav-text); border: 1px solid transparent;"
                @click="emit('update:structureId', voisine.id)"
              >{{ voisine.nom }}</button>
            </div>
          </div>

          <!-- Sources -->
          <div v-if="structure.sources && structure.sources.length" class="mb-4">
            <h3 class="text-xs font-bold uppercase tracking-wide mb-2" style="color: var(--nav-text-muted);">Sources</h3>
            <div class="space-y-1">
              <div v-for="(source, i) in structure.sources" :key="i" class="flex items-center gap-2">
                <span
                  class="px-1.5 py-0.5 rounded text-xs shrink-0"
                  style="background: var(--nav-bg-alt); color: var(--nav-text-muted);"
                >{{ source.type }}</span>
                <a
                  v-if="source.url"
                  :href="source.url"
                  target="_blank"
                  rel="noopener noreferrer"
                  class="text-xs underline truncate"
                  style="color: var(--nav-text);"
                >{{ source.titre }}</a>
                <span v-else class="text-xs" style="color: var(--nav-text);">{{ source.titre }}</span>
              </div>
            </div>
          </div>

          <!-- CTAs -->
          <div class="flex gap-3 pt-2" style="border-top: 1px solid var(--nav-bg-alt);">
            <a
              href="/contribuer"
              class="text-xs underline"
              style="color: var(--nav-text-muted);"
            >Signaler une erreur</a>
            <a
              href="/contribuer"
              class="text-xs underline"
              style="color: var(--nav-text-muted);"
            >Réclamer cette fiche</a>
          </div>
        </div>
      </div>
    </Transition>
  </Teleport>
</template>

<script setup lang="ts">
import type { ReseauxBifurcationData, StructureV2, ProjetEmblematique } from '~/types/structure-v2'

const FAMILLE_COLORS: Record<number, string> = {
  1: '#a85d3e',
  2: '#c4a472',
  3: '#d4a017',
  4: '#5a7a4a',
  5: '#3d6a8c',
}

const FAMILLE_LABELS: Record<number, string> = {
  1: 'Réemploi & filières',
  2: 'Frugalité & low-tech',
  3: 'Architecture sociale',
  4: 'Collectifs & AMO',
  5: 'Urbanisme de transition',
}

const props = defineProps<{
  modelValue: boolean
  structureId: string | null
  data: ReseauxBifurcationData | null
}>()

const emit = defineEmits<{
  'update:modelValue': [value: boolean]
  'update:structureId': [id: string]
}>()

const showFullDesc = ref(false)

function close() {
  emit('update:modelValue', false)
  showFullDesc.value = false
}

// Fermeture Esc globale
onMounted(() => {
  const handler = (e: KeyboardEvent) => {
    if (e.key === 'Escape' && props.modelValue) close()
  }
  window.addEventListener('keydown', handler)
  onUnmounted(() => window.removeEventListener('keydown', handler))
})

// Remettre showFullDesc a false a chaque changement de fiche
watch(() => props.structureId, () => {
  showFullDesc.value = false
})

const structure = computed<StructureV2 | null>(() => {
  if (!props.data || !props.structureId) return null
  return props.data.structures.find(s => s.id === props.structureId) ?? null
})

const familleColor = computed(() =>
  FAMILLE_COLORS[structure.value?.famille_principale ?? 1] ?? '#888'
)

const familleLabel = computed(() =>
  FAMILLE_LABELS[structure.value?.famille_principale ?? 1] ?? ''
)

const projetsStructure = computed<ProjetEmblematique[]>(() => {
  if (!props.data || !props.structureId) return []
  return props.data.projets?.filter(p => p.structure_parent === props.structureId) ?? []
})

const structuresVoisines = computed<StructureV2[]>(() => {
  if (!props.data || !props.structureId) return []
  const edges = props.data.graphe?.edges ?? []
  const voisineIds = edges
    .filter(e => e.source === props.structureId || e.target === props.structureId)
    .sort((a, b) => (b.score ?? 0) - (a.score ?? 0))
    .map(e => e.source === props.structureId ? e.target : e.source)
    .slice(0, 8)

  return voisineIds
    .map(id => props.data!.structures.find(s => s.id === id))
    .filter(Boolean) as StructureV2[]
})
</script>

<style scoped>
/* Backdrop */
.backdrop-enter-active, .backdrop-leave-active { transition: opacity 0.2s ease; }
.backdrop-enter-from, .backdrop-leave-to { opacity: 0; }

/* Modal */
.modal-enter-active, .modal-leave-active {
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.modal-enter-from, .modal-leave-to {
  opacity: 0;
  transform: translate(-50%, -52%);
}

@media (prefers-reduced-motion: reduce) {
  .backdrop-enter-active, .backdrop-leave-active { transition: none; }
  .modal-enter-active, .modal-leave-active { transition: none; }
}
</style>
