@extends('layouts.admin')

@section('title', 'Dashboard')
@section('header', 'Dashboard')

@section('content')
<div x-data="dashboard()" x-init="init()" class="space-y-6">
    <!-- Stats Cards with Growth Indicators -->
    <div class="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-4 gap-6">
        <!-- Total Doctors -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100">
            <template x-if="loading">
                <div class="animate-pulse">
                    <div class="h-4 w-24 bg-gray-200 rounded mb-2"></div>
                    <div class="h-8 w-16 bg-gray-200 rounded"></div>
                </div>
            </template>
            <template x-if="!loading">
                <div class="flex items-center justify-between">
                    <div>
                        <p class="text-sm text-gray-500 font-medium">Total Doctors</p>
                        <p class="text-2xl font-bold text-gray-800 mt-2" x-text="stats.totalDoctors"></p>
                    </div>
                    <div class="w-12 h-12 bg-blue-50 rounded-xl flex items-center justify-center">
                        <svg class="w-6 h-6 text-blue-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"></path>
                        </svg>
                    </div>
                </div>
            </template>
            <p class="text-xs text-gray-400 mt-3">Active medical professionals</p>
        </div>

        <!-- Today's Appointments -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100">
            <template x-if="loading">
                <div class="animate-pulse">
                    <div class="h-4 w-32 bg-gray-200 rounded mb-2"></div>
                    <div class="h-8 w-12 bg-gray-200 rounded"></div>
                </div>
            </template>
            <template x-if="!loading">
                <div class="flex items-center justify-between">
                    <div>
                        <p class="text-sm text-gray-500 font-medium">Today's Appointments</p>
                        <div class="flex items-center gap-2 mt-2">
                            <p class="text-2xl font-bold text-gray-800" x-text="stats.todayAppointments"></p>
                            <template x-if="stats.appointmentGrowth !== 0">
                                <span class="text-xs font-medium" :class="stats.appointmentGrowth >= 0 ? 'text-green-600' : 'text-red-600'">
                                    <span x-text="stats.appointmentGrowth >= 0 ? '+' : ''"></span><span x-text="stats.appointmentGrowth">0</span>%
                                </span>
                            </template>
                        </div>
                    </div>
                    <div class="w-12 h-12 bg-green-50 rounded-xl flex items-center justify-center">
                        <svg class="w-6 h-6 text-green-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 19v-6a2 2 0 00-2-2H5a2 2 0 00-2 2v6a2 2 0 002 2h2a2 2 0 002-2zm0 0V9a2 2 0 012-2h2a2 2 0 012 2v10m-6 0a2 2 0 002 2h2a2 2 0 002-2m0 0V5a2 2 0 012-2h2a2 2 0 012 2v14a2 2 0 01-2 2h-2a2 2 0 01-2-2z"></path>
                        </svg>
                    </div>
                </div>
            </template>
            <p class="text-xs text-gray-400 mt-3">vs yesterday: <span x-text="stats.yesterdayAppointments">0</span></p>
        </div>

        <!-- Hospitals -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100">
            <template x-if="loading">
                <div class="animate-pulse">
                    <div class="h-4 w-20 bg-gray-200 rounded mb-2"></div>
                    <div class="h-8 w-14 bg-gray-200 rounded"></div>
                </div>
            </template>
            <template x-if="!loading">
                <div class="flex items-center justify-between">
                    <div>
                        <p class="text-sm text-gray-500 font-medium">Hospitals</p>
                        <p class="text-2xl font-bold text-gray-800 mt-2" x-text="stats.totalHospitals"></p>
                    </div>
                    <div class="w-12 h-12 bg-purple-50 rounded-xl flex items-center justify-center">
                        <svg class="w-6 h-6 text-purple-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 21V5a2 2 0 00-2-2H7a2 2 0 00-2 2v16m14 0h2m-2 0h-5m-9 0H3m2 0h5M9 7h1m-1 4h1m4-4h1m-1 4h1m-5 10v-5a1 1 0 011-1h2a1 1 0 011 1v5m-4 0h4"></path>
                        </svg>
                    </div>
                </div>
            </template>
            <p class="text-xs text-gray-400 mt-3">Healthcare facilities</p>
        </div>

        <!-- Pending Appointments -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100">
            <template x-if="loading">
                <div class="animate-pulse">
                    <div class="h-4 w-24 bg-gray-200 rounded mb-2"></div>
                    <div class="h-8 w-10 bg-gray-200 rounded"></div>
                </div>
            </template>
            <template x-if="!loading">
                <div class="flex items-center justify-between">
                    <div>
                        <p class="text-sm text-gray-500 font-medium">Pending</p>
                        <p class="text-2xl font-bold text-gray-800 mt-2" x-text="stats.pendingAppointments"></p>
                    </div>
                    <div class="w-12 h-12 bg-yellow-50 rounded-xl flex items-center justify-center">
                        <svg class="w-6 h-6 text-yellow-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                        </svg>
                    </div>
                </div>
            </template>
            <p class="text-xs text-gray-400 mt-3">Awaiting confirmation</p>
        </div>
    </div>

    <!-- Charts & Activity Row -->
    <div class="grid grid-cols-1 lg:grid-cols-3 gap-6">
        <!-- Weekly Appointments Chart -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100 lg:col-span-2">
            <div class="flex items-center justify-between mb-4">
                <h3 class="text-lg font-semibold text-gray-800">Weekly Appointments</h3>
                <button @click="refreshStats()" class="p-2 text-gray-400 hover:text-blue-600 rounded-lg hover:bg-gray-50 transition-colors" title="Refresh">
                    <svg class="w-4 h-4" :class="{ 'animate-spin': refreshing }" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M4 4v5h.582m15.356 2A8.001 8.001 0 004.582 9m0 0H9m11 11v-5h-.581m0 0a8.003 8.003 0 01-15.357-2m15.357 2H15"></path>
                    </svg>
                </button>
            </div>
            <div class="flex items-end justify-between h-48 gap-2">
                <template x-if="loading">
                    <div class="flex items-end justify-between w-full gap-2">
                        <template x-for="i in 7">
                            <div class="flex-1 bg-gray-200 rounded-t-lg animate-pulse" style="height: 40%"></div>
                        </template>
                    </div>
                </template>
                <template x-if="!loading">
                    <div class="flex items-end justify-between w-full gap-2">
                        <template x-for="(count, index) in weeklyData" :key="index">
                            <div class="flex flex-col items-center flex-1">
                                <div class="w-full bg-blue-100 rounded-t-lg relative" :style="'height: ' + getBarHeight(count) + '%; min-height: 4px;'">
                                    <div class="absolute bottom-0 w-full bg-blue-500 rounded-t-lg transition-all duration-300 hover:bg-blue-600" style="height: 100%;"></div>
                                </div>
                                <span class="text-xs text-gray-500 mt-2" x-text="weekDays[index]"></span>
                                <span class="text-xs font-medium text-gray-700" x-text="count"></span>
                            </div>
                        </template>
                    </div>
                </template>
            </div>
            <div class="flex justify-between mt-4 pt-4 border-t border-gray-100">
                <div>
                    <p class="text-xs text-gray-500">This Week</p>
                    <p class="text-lg font-bold text-gray-800" x-text="stats.weekAppointments || 0"></p>
                </div>
                <div class="text-right">
                    <p class="text-xs text-gray-500">Last Month</p>
                    <p class="text-lg font-bold text-gray-800" x-text="stats.monthAppointments || 0"></p>
                </div>
            </div>
        </div>

        <!-- Status Distribution -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100">
            <h3 class="text-lg font-semibold text-gray-800 mb-4">Appointment Status</h3>
            <template x-if="loading">
                <div class="space-y-4">
                    <div class="h-4 bg-gray-200 rounded animate-pulse"></div>
                    <div class="h-4 bg-gray-200 rounded animate-pulse"></div>
                    <div class="h-4 bg-gray-200 rounded animate-pulse"></div>
                    <div class="h-4 bg-gray-200 rounded animate-pulse"></div>
                </div>
            </template>
            <template x-if="!loading">
                <div class="space-y-4">
                    <div class="flex items-center justify-between">
                        <div class="flex items-center gap-3">
                            <span class="w-3 h-3 bg-yellow-500 rounded-full"></span>
                            <span class="text-sm text-gray-600">Pending</span>
                        </div>
                        <span class="text-sm font-semibold text-gray-800" x-text="stats.pendingAppointments"></span>
                    </div>
                    <div class="w-full bg-gray-100 rounded-full h-2">
                        <div class="bg-yellow-500 h-2 rounded-full" :style="'width: ' + getStatusPercent('pending') + '%'"></div>
                    </div>

                    <div class="flex items-center justify-between">
                        <div class="flex items-center gap-3">
                            <span class="w-3 h-3 bg-blue-500 rounded-full"></span>
                            <span class="text-sm text-gray-600">Approved</span>
                        </div>
                        <span class="text-sm font-semibold text-gray-800" x-text="stats.confirmedAppointments"></span>
                    </div>
                    <div class="w-full bg-gray-100 rounded-full h-2">
                        <div class="bg-blue-500 h-2 rounded-full" :style="'width: ' + getStatusPercent('approved') + '%'"></div>
                    </div>

                    <div class="flex items-center justify-between">
                        <div class="flex items-center gap-3">
                            <span class="w-3 h-3 bg-green-500 rounded-full"></span>
                            <span class="text-sm text-gray-600">Completed</span>
                        </div>
                        <span class="text-sm font-semibold text-gray-800" x-text="stats.completedAppointments"></span>
                    </div>
                    <div class="w-full bg-gray-100 rounded-full h-2">
                        <div class="bg-green-500 h-2 rounded-full" :style="'width: ' + getStatusPercent('completed') + '%'"></div>
                    </div>

                    <div class="flex items-center justify-between">
                        <div class="flex items-center gap-3">
                            <span class="w-3 h-3 bg-red-500 rounded-full"></span>
                            <span class="text-sm text-gray-600">Cancelled</span>
                        </div>
                        <span class="text-sm font-semibold text-gray-800" x-text="stats.cancelledAppointments"></span>
                    </div>
                    <div class="w-full bg-gray-100 rounded-full h-2">
                        <div class="bg-red-500 h-2 rounded-full" :style="'width: ' + getStatusPercent('cancelled') + '%'"></div>
                    </div>
                </div>
            </template>
        </div>
    </div>

    <!-- Recent Activity & Top Lists -->
    <div class="grid grid-cols-1 lg:grid-cols-2 gap-6">
        <!-- Recent Activity -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100">
            <div class="flex items-center justify-between mb-4">
                <h3 class="text-lg font-semibold text-gray-800">Recent Activity</h3>
                <span class="text-xs text-gray-400">Live</span>
            </div>
            <template x-if="loading">
                <div class="space-y-4">
                    <template x-for="i in 5">
                        <div class="flex items-center gap-3 animate-pulse">
                            <div class="w-10 h-10 bg-gray-200 rounded-full"></div>
                            <div class="flex-1">
                                <div class="h-4 bg-gray-200 rounded w-3/4 mb-1"></div>
                                <div class="h-3 bg-gray-200 rounded w-1/2"></div>
                            </div>
                        </div>
                    </template>
                </div>
            </template>
            <template x-if="!loading">
                <div class="space-y-3">
                    <template x-for="activity in activities" :key="activity.id">
                        <a :href="activity.type === 'appointment' ? '/admin/appointments/' + activity.id : '/admin/contacts/' + activity.id" 
                           class="flex items-center gap-3 p-3 rounded-lg hover:bg-gray-50 transition-colors group">
                            <div class="w-10 h-10 rounded-full flex items-center justify-center" 
                                 :class="activity.type === 'appointment' ? 'bg-blue-100' : 'bg-purple-100'">
                                <svg x-show="activity.type === 'appointment'" class="w-5 h-5 text-blue-600" 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 00-2 2v12a2 2 0 002 2z"></path>
                                </svg>
                                <svg x-show="activity.type === 'message'" class="w-5 h-5 text-purple-600" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                    <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M3 8l7.89 5.26a2 2 0 002.22 0L21 8M5 19h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v10a2 2 0 002 2z"></path>
                                </svg>
                            </div>
                            <div class="flex-1 min-w-0">
                                <p class="text-sm font-medium text-gray-800 truncate" x-text="activity.title"></p>
                                <p class="text-xs text-gray-500 truncate" x-text="activity.description"></p>
                            </div>
                            <div class="text-right">
                                <span class="inline-flex items-center px-2 py-0.5 rounded text-xs font-medium"
                                      :class="getStatusClass(activity.status)" x-text="activity.status"></span>
                                <p class="text-xs text-gray-400 mt-1" x-text="activity.time"></p>
                            </div>
                        </a>
                    </template>
                    <template x-if="activities.length === 0">
                        <div class="text-center py-8 text-gray-500">
                            <svg class="w-12 h-12 mx-auto text-gray-300 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"></path>
                            </svg>
                            <p class="text-sm">No recent activity</p>
                        </div>
                    </template>
                </div>
            </template>
        </div>

        <!-- Top Doctors -->
        <div class="bg-white rounded-2xl shadow-sm p-6 border border-gray-100">
            <div class="flex items-center justify-between mb-4">
                <h3 class="text-lg font-semibold text-gray-800">Top Doctors</h3>
                <a href="{{ route('admin.doctors.index') }}" class="text-sm text-blue-600 hover:underline">View all</a>
            </div>
            <template x-if="loading">
                <div class="space-y-4">
                    <template x-for="i in 5">
                        <div class="flex items-center gap-3 animate-pulse">
                            <div class="w-10 h-10 bg-gray-200 rounded-full"></div>
                            <div class="flex-1">
                                <div class="h-4 bg-gray-200 rounded w-2/3 mb-1"></div>
                                <div class="h-3 bg-gray-200 rounded w-1/3"></div>
                            </div>
                        </div>
                    </template>
                </div>
            </template>
            <template x-if="!loading">
                <div class="space-y-3">
                    @php
                    $topDoctors = \App\Models\Doctor::withCount('appointments')->orderBy('appointments_count', 'desc')->take(5)->get();
                    @endphp
                    <template x-for="(doctor, index) in topDoctors" :key="doctor.id">
                        <div class="flex items-center gap-3 p-3 rounded-lg hover:bg-gray-50 transition-colors">
                            <div class="w-10 h-10 bg-gradient-to-br from-blue-500 to-blue-600 rounded-full flex items-center justify-center text-white text-sm font-medium">
                                <span x-text="doctor.name.charAt(0)"></span>
                            </div>
                            <div class="flex-1 min-w-0">
                                <p class="text-sm font-medium text-gray-800 truncate" x-text="doctor.name"></p>
                                <p class="text-xs text-gray-500 truncate" x-text="doctor.specialization || 'General'"></p>
                            </div>
                            <div class="text-right">
                                <p class="text-sm font-semibold text-gray-800" x-text="doctor.appointments_count || 0"></p>
                                <p class="text-xs text-gray-400">appointments</p>
                            </div>
                        </div>
                    </template>
                    @if($topDoctors->isEmpty())
                    <div class="text-center py-8 text-gray-500">
                        <p class="text-sm">No doctors yet</p>
                    </div>
                    @endif
                </div>
            </template>
        </div>
    </div>
</div>

<script>
function dashboard() {
    return {
        loading: true,
        refreshing: false,
        stats: {
            totalDoctors: 0,
            totalHospitals: 0,
            todayAppointments: 0,
            yesterdayAppointments: 0,
            pendingAppointments: 0,
            confirmedAppointments: 0,
            completedAppointments: 0,
            cancelledAppointments: 0,
            unreadMessages: 0,
            appointmentGrowth: 0,
            weekAppointments: 0,
            monthAppointments: 0,
        },
        weeklyData: [0, 0, 0, 0, 0, 0, 0],
        weekDays: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'],
        activities: [],
        refreshInterval: null,

        init() {
            this.loadStats();
            this.loadWeeklyData();
            this.loadActivities();
            this.loading = false;
            
            this.refreshInterval = setInterval(() => {
                this.loadStats();
                this.loadActivities();
            }, 30000);
        },

        loadStats() {
            fetch('{{ route("admin.dashboard.stats") }}')
                .then(res => res.json())
                .then(data => {
                    this.stats = { ...this.stats, ...data };
                })
                .catch(err => console.error('Error loading stats:', err));
        },

        loadWeeklyData() {
            fetch('{{ route("admin.dashboard.stats") }}')
                .then(res => res.json())
                .then(data => {
                    this.weeklyData = data.weeklyData || [0, 0, 0, 0, 0, 0, 0];
                })
                .catch(err => console.error('Error loading weekly data:', err));
        },

        loadActivities() {
            fetch('{{ route("admin.dashboard.activity") }}')
                .then(res => res.json())
                .then(data => {
                    this.activities = data.activities || [];
                })
                .catch(err => console.error('Error loading activities:', err));
        },

        refreshStats() {
            this.refreshing = true;
            this.loadStats();
            this.loadWeeklyData();
            this.loadActivities();
            setTimeout(() => this.refreshing = false, 1000);
        },

        getBarHeight(count) {
            const max = Math.max(...this.weeklyData.filter(c => c > 0));
            return max > 0 ? Math.max((count / max) * 100, 10) : 10;
        },

        getStatusPercent(status) {
            const total = this.stats.pendingAppointments + this.stats.confirmedAppointments + 
                          this.stats.completedAppointments + this.stats.cancelledAppointments;
            if (total === 0) return 0;
            const counts = {
                pending: this.stats.pendingAppointments,
                approved: this.stats.confirmedAppointments,
                completed: this.stats.completedAppointments,
                cancelled: this.stats.cancelledAppointments
            };
            return Math.round((counts[status] / total) * 100);
        },

        getStatusClass(status) {
            const classes = {
                pending: 'bg-yellow-100 text-yellow-800',
                approved: 'bg-blue-100 text-blue-800',
                completed: 'bg-green-100 text-green-800',
                cancelled: 'bg-red-100 text-red-800',
                unread: 'bg-purple-100 text-purple-800',
                read: 'bg-gray-100 text-gray-800'
            };
            return classes[status] || 'bg-gray-100 text-gray-800';
        }
    }
}
</script>
@endsection