<script setup>
import AuthenticatedLayout from '@/Layouts/AuthenticatedLayout.vue'
import Pagination from '@/Components/Pagination.vue'
import ConfirmModal from '@/Components/ConfirmModal.vue'
import { Head, Link, router, useForm, usePage } from '@inertiajs/vue3'
import { ref, reactive } from 'vue'

const props = defineProps({
    contrats:     Object,
    services:     Array,
    fournisseurs: Array,
    filters:      Object,
    statuts:      Object,
})

const page = usePage()

const filters = reactive({ ...props.filters })
const deleteTarget = ref(null)

function applyFilters() {
    router.get(route('contrats.index'), filters, { preserveState: true, replace: true })
}

function resetFilters() {
    Object.keys(filters).forEach(k => filters[k] = '')
    applyFilters()
}

function confirmDelete(cnt) {
    deleteTarget.value = cnt
}

const deleteForm = useForm({})
function doDelete() {
    deleteForm.delete(route('contrats.destroy', deleteTarget.value.id), {
        onSuccess: () => deleteTarget.value = null,
    })
}

function formatDate(d) {
    if (!d) return '—'
    return new Intl.DateTimeFormat('fr-FR').format(new Date(d))
}

function formatCurrency(v) {
    if (v == null) return '—'
    return new Intl.NumberFormat('fr-FR', { style: 'currency', currency: 'EUR' }).format(v)
}

const statutColors = {
    actif: 'bg-green-100 text-green-800',
    a_renouveler: 'bg-yellow-100 text-yellow-800',
    expire: 'bg-red-100 text-red-800',
    resilie: 'bg-gray-100 text-gray-800',
}
</script>

<template>
    <Head title="Contrats" />
    <AuthenticatedLayout>
        <template #header>
            <div class="flex items-center justify-between">
                <h1 class="text-xl font-semibold text-gray-900">Contrats en cours</h1>
                <Link :href="route('contrats.create')"
                    class="rounded-lg bg-indigo-600 px-4 py-2 text-sm font-medium text-white hover:bg-indigo-700 transition-colors">
                    + Nouveau contrat
                </Link>
            </div>
        </template>

        <div class="space-y-4">
            <!-- Filtres -->
            <div class="rounded-xl bg-white p-4 shadow-sm border border-gray-100">
                <div class="grid gap-3 sm:grid-cols-2 lg:grid-cols-4 xl:grid-cols-5">
                    <input v-model="filters.search" @input="applyFilters" type="text" placeholder="Recherche (titre, fournisseur)..."
                        class="rounded-lg border border-gray-300 px-3 py-2 text-sm focus:border-indigo-500 focus:outline-none xl:col-span-2" />

                    <select v-model="filters.service_id" @change="applyFilters"
                        class="rounded-lg border border-gray-300 px-3 py-2 text-sm focus:border-indigo-500 focus:outline-none">
                        <option value="">Tous les services</option>
                        <option v-for="s in services" :key="s.id" :value="s.id">{{ s.nom }}</option>
                    </select>

                    <select v-model="filters.fournisseur_id" @change="applyFilters"
                        class="rounded-lg border border-gray-300 px-3 py-2 text-sm focus:border-indigo-500 focus:outline-none">
                        <option value="">Tous les fournisseurs</option>
                        <option v-for="f in fournisseurs" :key="f.id" :value="f.id">{{ f.nom }}</option>
                    </select>

                    <select v-model="filters.statut" @change="applyFilters"
                        class="rounded-lg border border-gray-300 px-3 py-2 text-sm focus:border-indigo-500 focus:outline-none">
                        <option value="">Tous les statuts</option>
                        <option v-for="(label, key) in statuts" :key="key" :value="key">{{ label }}</option>
                    </select>
                </div>

                <div class="mt-3 flex justify-end">
                    <button @click="resetFilters"
                        class="rounded-lg border border-gray-300 px-3 py-2 text-sm text-gray-600 hover:bg-gray-50 transition-colors">
                        Réinitialiser
                    </button>
                </div>
            </div>

            <!-- Table -->
            <div class="rounded-xl bg-white shadow-sm border border-gray-100 overflow-hidden">
                <div class="overflow-x-auto">
                    <table class="min-w-full divide-y divide-gray-100 text-sm">
                        <thead class="bg-gray-50">
                            <tr>
                                <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Titre</th>
                                <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Service</th>
                                <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Fournisseur</th>
                                <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Statut</th>
                                <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Date début</th>
                                <th class="px-4 py-3 text-left text-xs font-medium text-gray-500 uppercase">Échéance</th>
                                <th class="px-4 py-3 text-right text-xs font-medium text-gray-500 uppercase">Montant</th>
                                <th class="px-4 py-3 text-center text-xs font-medium text-gray-500 uppercase">Actions</th>
                            </tr>
                        </thead>
                        <tbody class="divide-y divide-gray-50">
                            <tr v-for="cnt in contrats.data" :key="cnt.id"
                                :class="['hover:bg-gray-50 transition-colors', cnt.est_en_retard ? 'bg-red-50/50' : (cnt.est_proche_echeance ? 'bg-orange-50/50' : '')]">
                                <td class="px-4 py-3 font-medium">
                                    <Link :href="route('contrats.show', cnt.id)" class="text-indigo-600 hover:underline">
                                        {{ cnt.titre }}
                                    </Link>
                                </td>
                                <td class="px-4 py-3 whitespace-nowrap text-gray-600">{{ cnt.service?.nom }}</td>
                                <td class="px-4 py-3 whitespace-nowrap text-gray-600">{{ cnt.fournisseur?.nom ?? '—' }}</td>
                                <td class="px-4 py-3">
                                    <span :class="['inline-flex items-center px-2.5 py-0.5 rounded-full text-xs font-medium', statutColors[cnt.statut]]">
                                        {{ statuts[cnt.statut] }}
                                    </span>
                                </td>
                                <td class="px-4 py-3 whitespace-nowrap text-gray-600">{{ formatDate(cnt.date_debut) }}</td>
                                <td class="px-4 py-3 whitespace-nowrap" :class="[cnt.est_en_retard ? 'text-red-600 font-bold' : (cnt.est_proche_echeance ? 'text-orange-600 font-bold' : 'text-gray-600')]">
                                    {{ formatDate(cnt.date_echeance) }}
                                    <span v-if="cnt.est_en_retard" class="ml-1 text-xs" title="Échéance dépassée">⚠️</span>
                                    <span v-else-if="cnt.est_proche_echeance" class="ml-1 text-xs" title="Proche de l'échéance">⏳</span>
                                </td>
                                <td class="px-4 py-3 text-right font-medium whitespace-nowrap text-gray-900">
                                    {{ formatCurrency(cnt.montant) }}
                                </td>
                                <td class="px-4 py-3 text-center">
                                    <div class="flex items-center justify-center gap-2">
                                        <Link :href="route('contrats.show', cnt.id)"
                                            class="text-gray-400 hover:text-indigo-600 transition-colors" title="Voir">
                                            <svg class="h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z M2.458 12C3.732 7.943 7.523 5 12 5c4.478 0 8.268 2.943 9.542 7-1.274 4.057-5.064 7-9.542 7-4.477 0-8.268-2.943-9.542-7z" />
                                            </svg>
                                        </Link>
                                        <Link :href="route('contrats.edit', cnt.id)"
                                            class="text-gray-400 hover:text-blue-600 transition-colors" title="Modifier">
                                            <svg class="h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" />
                                            </svg>
                                        </Link>
                                        <button v-if="$page.props.auth.user?.roles?.some(r => r.name === 'admin')" @click="confirmDelete(cnt)"
                                            class="text-gray-400 hover:text-red-600 transition-colors" title="Supprimer">
                                            <svg class="h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" />
                                            </svg>
                                        </button>
                                    </div>
                                </td>
                            </tr>
                        </tbody>
                    </table>
                </div>

                <div v-if="!contrats.data.length" class="py-12 text-center text-gray-400">
                    Aucun contrat trouvé.
                </div>

                <div class="border-t border-gray-100 px-4 py-3">
                    <Pagination :links="contrats.links" :meta="contrats.meta" />
                </div>
            </div>
        </div>

        <ConfirmModal :show="!!deleteTarget"
            title="Supprimer le contrat"
            :message="`Supprimer définitivement le contrat '${deleteTarget?.titre}' ?`"
            :processing="deleteForm.processing"
            @confirm="doDelete"
            @cancel="deleteTarget = null" />
    </AuthenticatedLayout>
</template>
