{{--
    Composant de sélection d'un lieu par recherche contextuelle.

    Paramètres :
      $name         : nom du champ hidden (ex: "lieu_id")
      $label        : libellé affiché au-dessus du champ
      $value        : id du lieu sélectionné (null si aucun)
      $displayValue : texte affiché (nom_long du lieu sélectionné)
      $required     : bool — rend le champ obligatoire
      $placeholder  : texte quand rien n'est sélectionné
--}}
@props([
    'name',
    'label'        => 'Lieu',
    'value'        => null,
    'displayValue' => '',
    'required'     => false,
    'placeholder'  => 'Rechercher un lieu…',
])

<div
    x-data="{
        open: false,
        search: '',
        results: [],
        loading: false,
        selected: {
            id:   {{ $value ? (int)$value : 'null' }},
            name: {{ json_encode($displayValue ?: '') }}
        },
        debounceTimer: null,

        openModal() {
            this.open = true;
            this.search = '';
            this.results = [];
            this.$nextTick(() => this.$refs.searchInput?.focus());
        },

        onSearchInput() {
            clearTimeout(this.debounceTimer);
            this.debounceTimer = setTimeout(() => this.fetchResults(), 220);
        },

        async fetchResults() {
            if (this.search.length < 1) { this.results = []; return; }
            this.loading = true;
            try {
                const res = await fetch(
                    '{{ route('lieux.search') }}?q=' + encodeURIComponent(this.search),
                    { headers: { 'X-Requested-With': 'XMLHttpRequest' } }
                );
                this.results = await res.json();
            } finally {
                this.loading = false;
            }
        },

        select(lieu) {
            this.selected = { id: lieu.id, name: lieu.nom_long };
            this.open = false;
            this.search = '';
            this.results = [];
        },

        clear() {
            this.selected = { id: null, name: '' };
        }
    }"
    @keydown.escape.window="open = false"
>
    <label class="block text-sm font-medium text-gray-700 mb-1">
        {{ $label }}
        @if($required) <span class="text-red-500">*</span> @endif
    </label>

    {{-- Champ hidden pour la valeur soumise --}}
    <input type="hidden" name="{{ $name }}" :value="selected.id ?? ''">

    {{-- Affichage du lieu sélectionné + boutons --}}
    <div class="flex gap-2">
        <button
            type="button"
            @click="openModal()"
            class="flex-1 text-left px-3 py-2 border border-gray-300 rounded-md bg-white text-sm shadow-sm
                   hover:border-indigo-400 focus:outline-none focus:ring-2 focus:ring-indigo-500 transition-colors
                   @error($name) border-red-500 @enderror"
        >
            <span x-show="selected.id" class="text-gray-900" x-text="selected.name"></span>
            <span x-show="!selected.id" class="text-gray-400">{{ $placeholder }}</span>
        </button>

        <button
            type="button"
            x-show="selected.id"
            @click="clear()"
            title="Effacer"
            class="px-2 py-2 text-gray-400 hover:text-red-500 transition-colors"
        >
            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
            </svg>
        </button>
    </div>

    @error($name)
        <p class="mt-1 text-sm text-red-600">{{ $message }}</p>
    @enderror

    {{-- Modale de recherche --}}
    <div
        x-show="open"
        x-cloak
        class="fixed inset-0 z-50 flex items-start justify-center pt-24 px-4"
        @click.self="open = false"
    >
        {{-- Fond semi-transparent --}}
        <div class="absolute inset-0 bg-black/40" @click="open = false"></div>

        {{-- Panneau --}}
        <div class="relative bg-white rounded-xl shadow-2xl w-full max-w-lg z-10 overflow-hidden">
            {{-- En-tête --}}
            <div class="px-4 py-3 border-b border-gray-100 flex items-center gap-3">
                <svg class="w-5 h-5 text-gray-400 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2"
                          d="M21 21l-4.35-4.35M17 11A6 6 0 1 1 5 11a6 6 0 0 1 12 0z"/>
                </svg>
                <input
                    x-ref="searchInput"
                    type="text"
                    x-model="search"
                    @input="onSearchInput()"
                    placeholder="Nom, code INSEE…"
                    class="flex-1 text-sm outline-none placeholder-gray-400"
                >
                <button type="button" @click="open = false"
                        class="text-gray-400 hover:text-gray-600">
                    <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M6 18L18 6M6 6l12 12"/>
                    </svg>
                </button>
            </div>

            {{-- Résultats --}}
            <div class="max-h-80 overflow-y-auto">
                {{-- Chargement --}}
                <div x-show="loading" class="px-4 py-6 text-center text-sm text-gray-400">
                    Recherche…
                </div>

                {{-- Aucun résultat --}}
                <div x-show="!loading && search.length > 0 && results.length === 0"
                     class="px-4 py-6 text-center text-sm text-gray-400">
                    Aucun lieu trouvé pour « <span x-text="search"></span> »
                </div>

                {{-- Invite initiale --}}
                <div x-show="!loading && search.length === 0"
                     class="px-4 py-6 text-center text-sm text-gray-400">
                    Saisissez au moins une lettre pour rechercher
                </div>

                {{-- Liste --}}
                <ul x-show="results.length > 0">
                    <template x-for="lieu in results" :key="lieu.id">
                        <li>
                            <button
                                type="button"
                                @click="select(lieu)"
                                class="w-full text-left px-4 py-3 hover:bg-indigo-50 flex items-center justify-between gap-3 transition-colors"
                            >
                                <div>
                                    <span class="text-sm font-medium text-gray-900" x-text="lieu.nom_long"></span>
                                    <span x-show="lieu.code"
                                          class="ml-2 text-xs text-gray-400"
                                          x-text="lieu.code"></span>
                                </div>
                                <span x-show="lieu.type"
                                      class="shrink-0 text-xs px-2 py-0.5 bg-gray-100 text-gray-500 rounded-full"
                                      x-text="lieu.type"></span>
                            </button>
                        </li>
                    </template>
                </ul>
            </div>

            @can('create', App\Models\Lieu::class)
            {{-- Pied : créer un nouveau lieu --}}
            <div class="border-t border-gray-100 px-4 py-2.5">
                <a href="{{ route('lieux.create') }}" target="_blank"
                   class="text-xs text-indigo-600 hover:underline">
                    + Créer un nouveau lieu
                </a>
            </div>
            @endcan
        </div>
    </div>
</div>