@extends('layouts.app')

@section('content')
<style>
.slot-option {
    transition: all 0.2s ease-in-out;
}

.slot-option:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.slot-checkbox:checked + div {
    border-color: #3b82f6 !important;
    background-color: #dbeafe !important;
    color: #1e3a8a !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: scale(1.02);
}

.slot-selected {
    border-color: #3b82f6 !important;
    background-color: #dbeafe !important;
    color: #1e3a8a !important;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.3);
    transform: scale(1.02);
}

@keyframes slotSelect {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1.02); }
}

.slot-animate {
    animation: slotSelect 0.3s ease-in-out;
}

/* Responsive adjustments for slot grid */
@media (max-width: 640px) {
    .slot-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    }
}

@media (min-width: 641px) and (max-width: 768px) {
    .slot-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .slot-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    }
}

@media (min-width: 1025px) {
    .slot-grid {
        grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    }
}

/* Additional responsive improvements */
@media (max-width: 1024px) {
    .sticky {
        position: static;
    }
}
</style>

<div class="bg-blue-50">
    <div class="container mx-auto px-4 py-6 sm:py-8">
        <div class="max-w-4xl mx-auto">
            <div class="mb-6 sm:mb-8 text-center">
                <h1 class="text-2xl xs:text-3xl sm:text-4xl font-extrabold text-blue-900 mb-1 sm:mb-2">Nouvelle Réservation</h1>
                <p class="text-base sm:text-lg text-blue-700 px-2">Réservez un créneau pour le service sélectionné</p>
            </div>

            @if(session('error'))
                <div class="bg-red-100 border-l-4 border-red-500 text-red-700 p-3 sm:p-4 rounded-md mb-5 sm:mb-6 shadow-md">
                    {{ session('error') }}
                </div>
            @endif

            <div class="grid grid-cols-1 lg:grid-cols-3 gap-6 sm:gap-8">
                <!-- Informations du service -->
                <div class="lg:col-span-1">
                    <div class="bg-white rounded-xl shadow-lg border border-blue-200 p-4 sm:p-6 sticky top-4 sm:top-8">
                        <h2 class="text-xl sm:text-2xl font-bold text-blue-800 mb-4 sm:mb-5 border-b-2 border-blue-200 pb-2 sm:pb-3">Détails du service</h2>
                        
                        <div class="space-y-4 sm:space-y-5">
                            <div>
                                <h3 class="font-bold text-base sm:text-lg text-gray-800">{{ $service->name }}</h3>
                                <p class="text-gray-600 text-sm mt-1">{{ Str::limit($service->description, 100) }}</p>
                            </div>
                            
                            <div class="border-t border-gray-200 pt-3 sm:pt-4 space-y-2 sm:space-y-3">
                                <div class="flex justify-between items-center">
                                    <span class="text-gray-600 font-medium text-sm sm:text-base">Prix :</span>
                                    <span class="font-bold text-xl sm:text-2xl text-blue-600">{{ number_format($service->price * (($service->price_type === 'heure' || $service->price_type === 'jour') && $service->quantity ? $service->quantity : 1), 2) }} €</span>
                                </div>
                                
                                @if($service->duration)
                                    <div class="flex justify-between items-center">
                                        <span class="text-gray-600 font-medium text-sm sm:text-base">Durée :</span>
                                        <span class="text-gray-800 font-semibold text-sm sm:text-base">{{ $service->duration }} min</span>
                                    </div>
                                @endif
                                
                                @if($service->price_type === 'jour' && $service->quantity)
                                    <div class="flex justify-between items-center">
                                        <span class="text-gray-600 font-medium text-sm sm:text-base">Durée :</span>
                                        <span class="text-gray-800 font-semibold text-sm sm:text-base">{{ $service->quantity }} jour{{ $service->quantity > 1 ? 's' : '' }}</span>
                                    </div>
                                @endif
                            </div>
                            
                            <div class="border-t border-gray-200 pt-3 sm:pt-4">
                                <h4 class="font-bold text-gray-800 mb-2 sm:mb-3 text-sm sm:text-base">Prestataire</h4>
                                <a href="{{ route('prestataires.show', $prestataire) }}" class="flex items-center gap-3 sm:gap-4 p-3 bg-blue-50 rounded-lg hover:bg-blue-100 transition duration-200">
                                    @if($prestataire->photo)
                                        <img src="{{ Storage::url($prestataire->photo) }}" 
                                             alt="{{ $prestataire->user->name }}" 
                                             class="w-10 h-10 sm:w-12 sm:h-12 rounded-full object-cover border-2 border-blue-200">
                                    @elseif($prestataire->user->avatar)
                                        <img src="{{ Storage::url($prestataire->user->avatar) }}" 
                                             alt="{{ $prestataire->user->name }}" 
                                             class="w-10 h-10 sm:w-12 sm:h-12 rounded-full object-cover border-2 border-blue-200">
                                    @elseif($prestataire->user->profile_photo)
                                        <img src="{{ asset('storage/' . $prestataire->user->profile_photo) }}" 
                                             alt="{{ $prestataire->user->name }}" 
                                             class="w-10 h-10 sm:w-12 sm:h-12 rounded-full object-cover border-2 border-blue-200">
                                    @elseif($prestataire->user->profile_photo_path)
                                        <img src="{{ asset('storage/' . $prestataire->user->profile_photo_path) }}" 
                                             alt="{{ $prestataire->user->name }}" 
                                             class="w-10 h-10 sm:w-12 sm:h-12 rounded-full object-cover border-2 border-blue-200">
                                    @else
                                        <div class="w-10 h-10 sm:w-12 sm:h-12 bg-blue-200 rounded-full flex items-center justify-center border-2 border-blue-300">
                                            <span class="text-blue-800 font-bold text-lg sm:text-xl">{{ substr($prestataire->user->name, 0, 1) }}</span>
                                        </div>
                                    @endif
                                    <div>
                                        <div class="font-bold text-blue-900 text-sm sm:text-base">{{ $prestataire->user->name }}</div>
                                        @if($prestataire->location)
                                            <div class="text-xs sm:text-sm text-blue-700 flex items-center gap-1">
                                                <svg class="w-3 h-3 sm:w-4 sm:h-4" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M5.05 4.05a7 7 0 119.9 9.9L10 18.9l-4.95-4.95a7 7 0 010-9.9zM10 11a2 2 0 100-4 2 2 0 000 4z" clip-rule="evenodd" /></svg>
                                                {{ $prestataire->location }}
                                            </div>
                                        @endif
                                    </div>
                                </a>
                            </div>
                        </div>
                    </div>
                </div>
                
                <!-- Formulaire de réservation -->
                <div class="lg:col-span-2">
                    <div class="bg-white rounded-xl shadow-lg border border-blue-200 p-4 sm:p-6 md:p-8">
                        <h2 class="text-xl sm:text-2xl font-bold text-blue-800 mb-4 sm:mb-6 border-b-2 border-blue-200 pb-2 sm:pb-3">Sélectionner un créneau</h2>
                        
                        <form action="{{ route('bookings.store') }}" method="POST" x-data="bookingForm()">
                            @csrf
                            <input type="hidden" name="service_id" value="{{ $service->id }}">
                            <input type="hidden" name="prestataire_id" value="{{ $prestataire->id }}">
                            
                            <div class="grid grid-cols-1 md:grid-cols-2 gap-6">
                                <!-- Calendar Column -->
                                <div>
                                    <div class="mb-4">
                                        <h3 class="font-semibold text-gray-700 mb-2">1. Choisissez une date</h3>
                                        <div id="inline-calendar" class="rounded-lg overflow-hidden border border-gray-200"></div>
                                    </div>
                                </div>

                                <!-- Slots Column -->
                                <div>
                                    <h3 class="font-semibold text-gray-700 mb-2">2. Choisissez un horaire</h3>
                                    
                                    <div class="bg-gray-50 rounded-lg border border-gray-200 p-4 h-[400px] overflow-y-auto slots-container">
                                        <!-- Message if no date selected -->
                                        <div x-show="!selectedDate" class="h-full flex flex-col items-center justify-center text-gray-500 text-center p-4">
                                            <svg class="w-12 h-12 mb-2 text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 002 2z"></path></svg>
                                            <p>Veuillez sélectionner une date sur le calendrier pour voir les disponibilités.</p>
                                        </div>

                                        <!-- Message if date selected but no slots -->
                                        <div x-show="selectedDate && availableSlotsForDate.length === 0" class="h-full flex flex-col items-center justify-center text-gray-500 text-center p-4" style="display: none;">
                                            <svg class="w-12 h-12 mb-2 text-gray-300" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4m0 4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z"></path></svg>
                                            <p>Aucun créneau disponible pour cette date.</p>
                                        </div>

                                        <!-- Slots List -->
                                        <div x-show="selectedDate && availableSlotsForDate.length > 0" class="space-y-2" style="display: none;">
                                            <template x-for="slot in availableSlotsForDate" :key="slot.datetime">
                                                <label class="block relative">
                                                    <input type="checkbox" name="selected_slots[]" :value="slot.datetime" 
                                                           class="peer sr-only"
                                                           @change="toggleSlot(slot)"
                                                           :disabled="slot.is_booked">
                                                    
                                                    <div class="p-3 rounded-lg border-2 transition-all cursor-pointer flex justify-between items-center"
                                                         :class="{
                                                             'border-gray-200 bg-white hover:border-blue-300': !slot.is_booked && !isSelected(slot),
                                                             'border-blue-500 bg-blue-50 text-blue-700': isSelected(slot),
                                                             'border-gray-100 bg-gray-50 text-gray-400 cursor-not-allowed': slot.is_booked,
                                                             'border-orange-300 bg-orange-50': slot.has_pending && !isSelected(slot)
                                                         }">
                                                        <div>
                                                            <div class="font-bold" x-text="formatTime(slot.datetime) + ' - ' + formatTime(slot.end_datetime)"></div>
                                                            <div class="text-xs mt-1" x-show="slot.is_booked">Réservé</div>
                                                            <div class="text-xs mt-1 text-orange-600" x-show="slot.has_pending && !slot.is_booked">En attente</div>
                                                        </div>
                                                        <div x-show="isSelected(slot)" class="text-blue-600">
                                                            <svg class="w-6 h-6" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M16.707 5.293a1 1 0 010 1.414l-8 8a1 1 0 01-1.414 0l-4-4a1 1 0 011.414-1.414L8 12.586l7.293-7.293a1 1 0 011.414 0z" clip-rule="evenodd"/></svg>
                                                        </div>
                                                    </div>
                                                </label>
                                            </template>
                                        </div>
                                    </div>
                                </div>
                            </div>

                            <!-- Selected Slots Summary & Submit -->
                            <div class="mt-8 border-t border-gray-200 pt-6">
                                <div x-show="selectedSlots.length > 0" class="mb-6 p-4 bg-blue-50 rounded-lg border border-blue-100">
                                    <h4 class="font-bold text-blue-900 mb-2">Créneaux sélectionnés :</h4>
                                    <div class="flex flex-wrap gap-2">
                                        <template x-for="slot in selectedSlots" :key="slot.datetime">
                                            <span class="inline-flex items-center px-3 py-1 rounded-full text-sm font-medium bg-white text-blue-700 border border-blue-200 shadow-sm">
                                                <span x-text="formatDate(slot.datetime) + ' ' + formatTime(slot.datetime)"></span>
                                                <button type="button" @click="removeSlot(slot.datetime)" class="ml-2 text-blue-400 hover:text-blue-600 focus:outline-none">
                                                    <svg class="h-4 w-4" fill="currentColor" viewBox="0 0 20 20"><path fill-rule="evenodd" d="M4.293 4.293a1 1 0 011.414 0L10 8.586l4.293-4.293a1 1 0 111.414 1.414L11.414 10l4.293 4.293a1 1 0 01-1.414 1.414L10 11.414l-4.293 4.293a1 1 0 01-1.414-1.414L8.586 10 4.293 5.707a1 1 0 010-1.414z" clip-rule="evenodd"/></svg>
                                                </button>
                                            </span>
                                        </template>
                                    </div>
                                    <div class="mt-3 text-right">
                                        <span class="text-gray-600">Total : </span>
                                        <span class="text-xl font-bold text-blue-600" x-text="calculateTotal() + ' €'"></span>
                                    </div>
                                </div>

                                <div class="flex justify-between items-center">
                                    <a href="{{ route('services.index') }}" class="text-gray-600 hover:text-gray-900 font-medium">Retour</a>
                                    <button type="submit" 
                                            class="bg-blue-600 hover:bg-blue-700 text-white font-bold py-3 px-8 rounded-lg shadow-lg transform transition hover:-translate-y-0.5 disabled:opacity-50 disabled:cursor-not-allowed"
                                            :disabled="selectedSlots.length === 0">
                                        Confirmer la réservation
                                    </button>
                                </div>
                            </div>
                        </form>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>

@php
    $jsSlots = array_map(function($s) {
        return [
            'datetime' => $s['datetime']->toIso8601String(),
            'end_datetime' => $s['end_datetime']->toIso8601String(),
            'date' => $s['datetime']->format('Y-m-d'),
            'is_booked' => $s['is_booked'] ?? false,
            'has_pending' => $s['has_pending'] ?? false
        ];
    }, $availableSlots ?? []);
@endphp

<script>
// @ts-ignore - Blade template tags inside JavaScript
document.addEventListener('alpine:init', () => {
    Alpine.data('bookingForm', () => ({
        allSlots: {!! json_encode($jsSlots) !!},
        selectedDate: null,
        availableSlotsForDate: [],
        selectedSlots: [],
        servicePrice: {!! $service->price !!},
        
        init() {
            window.addEventListener('date-change', (e) => {
                this.selectedDate = e.detail;
                this.filterSlots();
            });
        },

        filterSlots() {
            if (!this.selectedDate) {
                this.availableSlotsForDate = [];
                return;
            }
            this.availableSlotsForDate = this.allSlots.filter(slot => slot.date === this.selectedDate);
        },

        toggleSlot(slot) {
            if (slot.is_booked) return;
            
            const index = this.selectedSlots.findIndex(s => s.datetime === slot.datetime);
            if (index > -1) {
                this.selectedSlots.splice(index, 1);
            } else {
                this.selectedSlots.push(slot);
            }
        },

        isSelected(slot) {
            return this.selectedSlots.some(s => s.datetime === slot.datetime);
        },

        removeSlot(datetime) {
            this.selectedSlots = this.selectedSlots.filter(s => s.datetime !== datetime);
        },

        formatTime(isoString) {
            return new Date(isoString).toLocaleTimeString('fr-FR', { hour: '2-digit', minute: '2-digit' });
        },

        formatDate(isoString) {
            return new Date(isoString).toLocaleDateString('fr-FR', { day: 'numeric', month: 'short' });
        },

        calculateTotal() {
            return (this.selectedSlots.length * this.servicePrice).toFixed(2);
        }
    }));
});
</script>
@endsection

@push('styles')
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flatpickr/dist/flatpickr.min.css">
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/flatpickr/dist/themes/airbnb.css">
    <style>
        .flatpickr-calendar {
            box-shadow: none !important;
            border: 1px solid #e2e8f0 !important;
            width: 100% !important;
            margin: 0 auto !important;
        }
        .flatpickr-days {
            width: 100% !important;
        }
        .dayContainer {
            width: 100% !important;
            min-width: 100% !important;
            max-width: 100% !important;
        }
        .flatpickr-day {
            max-width: none !important;
            height: 40px !important;
            line-height: 40px !important;
        }
        .flatpickr-day.selected {
            background: #3b82f6 !important;
            border-color: #3b82f6 !important;
        }
        
        /* Custom scrollbar for slots list */
        .slots-container::-webkit-scrollbar {
            width: 6px;
        }
        .slots-container::-webkit-scrollbar-track {
            background: #f1f5f9;
        }
        .slots-container::-webkit-scrollbar-thumb {
            background: #cbd5e1;
            border-radius: 3px;
        }
        .slots-container::-webkit-scrollbar-thumb:hover {
            background: #94a3b8;
        }
    </style>
@endpush

@push('scripts')
    <script src="https://cdn.jsdelivr.net/npm/flatpickr"></script>
    <script src="https://npmcdn.com/flatpickr/dist/l10n/fr.js"></script>
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // Initialize Flatpickr
            const fp = flatpickr("#inline-calendar", {
                inline: true,
                locale: "fr",
                minDate: "today",
                dateFormat: "Y-m-d",
                onChange: function(selectedDates, dateStr, instance) {
                    // Dispatch event for Alpine
                    window.dispatchEvent(new CustomEvent('date-change', { detail: dateStr }));
                }
            });
        });
    </script>
@endpush