@extends('layouts.app')

@section('title', 'Pengaturan Pengingat - SIAKAD')
@section('page-title', 'Pengaturan Pengingat Kalender')

@push('styles')
<style>
    .settings-card {
        background: white;
        border-radius: 1rem;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
        overflow: hidden;
    }

    .settings-header {
        background: linear-gradient(135deg, var(--primary) 0%, #5a5fe0 100%);
        color: white;
        padding: 1.5rem;
    }

    .settings-header h5 {
        font-weight: 700;
        margin: 0;
    }

    .settings-header p {
        margin: 0.25rem 0 0;
        opacity: 0.85;
        font-size: 0.9rem;
    }

    .settings-body {
        padding: 1.5rem;
    }

    .form-label {
        font-weight: 600;
        color: var(--gray-700);
        margin-bottom: 0.5rem;
    }

    .form-text {
        font-size: 0.8rem;
        color: var(--gray-500);
    }

    .times-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .time-input-group {
        position: relative;
    }

    .time-input-group input {
        padding-left: 2.5rem;
    }

    .time-input-group::before {
        content: '';
        position: absolute;
        left: 12px;
        top: 50%;
        transform: translateY(-50%);
        width: 20px;
        height: 20px;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%23839aab' class='bi bi-clock' viewBox='0 0 16 16'%3E%3Cpath d='M8 3.5a.5.5 0 0 0-1 0V9a.5.5 0 0 0 .252.434l3.5 2a.5.5 0 0 0 .496-.868L8 8.71V3.5z'/%3E%3Cpath d='M8 16A8 8 0 1 0 8 0a8 8 0 0 0 0 16zm7-8A7 7 0 1 1 1 8a7 7 0 0 1 14 0z'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: center;
        pointer-events: none;
    }

    .preview-box {
        background: var(--gray-100);
        border-radius: 0.75rem;
        padding: 1rem;
        margin-top: 1.5rem;
    }

    .preview-box h6 {
        font-weight: 600;
        margin-bottom: 0.75rem;
        font-size: 0.9rem;
        color: var(--gray-700);
    }

    .preview-item {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.5rem;
        background: white;
        border-radius: 0.5rem;
        margin-bottom: 0.5rem;
        font-size: 0.85rem;
    }

    .preview-item:last-child {
        margin-bottom: 0;
    }

    .preview-item i {
        color: var(--primary);
    }

    .toggle-switch {
        position: relative;
        width: 50px;
        height: 26px;
    }

    .toggle-switch input {
        opacity: 0;
        width: 0;
        height: 0;
    }

    .toggle-slider {
        position: absolute;
        cursor: pointer;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background-color: var(--gray-300);
        transition: .3s;
        border-radius: 26px;
    }

    .toggle-slider:before {
        position: absolute;
        content: "";
        height: 20px;
        width: 20px;
        left: 3px;
        bottom: 3px;
        background-color: white;
        transition: .3s;
        border-radius: 50%;
    }

    .toggle-switch input:checked + .toggle-slider {
        background-color: var(--success);
    }

    .toggle-switch input:checked + .toggle-slider:before {
        transform: translateX(24px);
    }

    .days-selector {
        display: flex;
        gap: 0.5rem;
        flex-wrap: wrap;
    }

    .day-btn {
        width: 44px;
        height: 44px;
        border: 2px solid var(--gray-300);
        border-radius: 0.5rem;
        background: white;
        color: var(--gray-600);
        font-weight: 600;
        cursor: pointer;
        transition: all 0.2s;
    }

    .day-btn:hover {
        border-color: var(--primary);
        color: var(--primary);
    }

    .day-btn.active {
        background: var(--primary);
        border-color: var(--primary);
        color: white;
    }

    .info-box {
        background: rgba(105, 108, 255, 0.1);
        border-radius: 0.75rem;
        padding: 1rem;
        display: flex;
        gap: 0.75rem;
    }

    .info-box i {
        color: var(--primary);
        font-size: 1.25rem;
        flex-shrink: 0;
    }

    .info-box p {
        margin: 0;
        font-size: 0.85rem;
        color: var(--gray-700);
    }

    @media (max-width: 768px) {
        .times-grid {
            grid-template-columns: 1fr;
        }
    }
</style>
@endpush

@section('content')
<div class="row">
    <div class="col-lg-8">
        <div class="settings-card">
            <div class="settings-header">
                <h5><i class="bi bi-bell me-2"></i>Pengaturan Pengingat Kalender</h5>
                <p>Konfigurasi pengingat otomatis untuk agenda akademik</p>
            </div>

            <form action="{{ route('admin.reminder-setting.store') }}" method="POST">
                @csrf
                <div class="settings-body">
                    <!-- Enable Toggle -->
                    <div class="d-flex align-items-center justify-content-between mb-4 pb-3 border-bottom">
                        <div>
                            <h6 class="mb-0">Aktifkan Pengingat</h6>
                            <small class="text-muted">Kirim notifikasi pengingat secara otomatis</small>
                        </div>
                        <label class="toggle-switch">
                            <input type="checkbox" name="reminder_enabled" value="1" {{ $reminderEnabled === '1' ? 'checked' : '' }}>
                            <span class="toggle-slider"></span>
                        </label>
                    </div>

                    <!-- Reminder Times -->
                    <div class="mb-4">
                        <label class="form-label">Waktu Pengingat</label>
                        <p class="form-text mb-3">Pisahkan dengan koma untuk menambahkan waktu lebih banyak (maks 3x sehari)</p>

                        <div class="times-grid">
                            <div class="time-input-group">
                                <input type="time" class="form-control" name="time_1" id="time1" value="{{ explode(',', $reminderTimes)[0] ?? '08:00' }}">
                            </div>
                            <div class="time-input-group">
                                <input type="time" class="form-control" name="time_2" id="time2" value="{{ explode(',', $reminderTimes)[1] ?? '12:00' }}">
                            </div>
                            <div class="time-input-group">
                                <input type="time" class="form-control" name="time_3" id="time3" value="{{ explode(',', $reminderTimes)[2] ?? '18:00' }}">
                            </div>
                        </div>

                        <input type="hidden" name="reminder_times" id="reminderTimesCombined" value="{{ $reminderTimes }}">
                    </div>

                    <!-- Days Before -->
                    <div class="mb-4">
                        <label class="form-label">Pengingat H-?</label>
                        <p class="form-text mb-3">Berapa hari sebelum event dimulai</p>

                        <div class="days-selector">
                            @for($i = 1; $i <= 7; $i++)
                            <button type="button" class="day-btn {{ $reminderDaysBefore == $i ? 'active' : '' }}"
                                    data-day="{{ $i }}"
                                    onclick="selectDay({{ $i }})">
                                {{ $i }}
                            </button>
                            @endfor
                        </div>

                        <input type="hidden" name="reminder_days_before" id="selectedDay" value="{{ $reminderDaysBefore }}">
                    </div>

                    <!-- Info Box -->
                    <div class="info-box mb-4">
                        <i class="bi bi-info-circle"></i>
                        <p>Pengingat akan dikirimkan ke semua user (Admin, Dosen, Mahasiswa) sesuai dengan pengaturan visibilitas event kalender. Setiap user hanya akan menerima 1 notifikasi per event per periode pengingat.</p>
                    </div>

                    <!-- Buttons -->
                    <div class="d-flex gap-2">
                        <button type="submit" class="btn btn-primary">
                            <i class="bi bi-check-lg me-2"></i>Simpan Pengaturan
                        </button>
                        <button type="button" class="btn btn-outline-secondary" onclick="testReminder()">
                            <i class="bi bi-play-circle me-2"></i>Test Pengingat
                        </button>
                    </div>
                </div>
            </form>
        </div>
    </div>

    <!-- Preview Panel -->
    <div class="col-lg-4">
        <div class="settings-card">
            <div class="settings-body">
                <h6 class="mb-3"><i class="bi bi-calendar-check me-2"></i>Preview Pengaturan</h6>

                <div class="preview-box">
                    <h6>Jadwal Pengingat:</h6>
                    <div id="previewTimes">
                        @foreach(explode(',', $reminderTimes) as $time)
                        <div class="preview-item">
                            <i class="bi bi-clock"></i>
                            <span>Setiap hari jam {{ trim($time) }}</span>
                        </div>
                        @endforeach
                    </div>
                </div>

                <div class="preview-box mt-3">
                    <h6>Pengingat:</h6>
                    <div class="preview-item">
                        <i class="bi bi-calendar-event"></i>
                        <span>H-{{ $reminderDaysBefore }} sebelum event</span>
                    </div>
                </div>

                <div class="alert {{ $reminderEnabled === '1' ? 'alert-success' : 'alert-secondary' }} mt-3 mb-0">
                    <i class="bi {{ $reminderEnabled === '1' ? 'bi-check-circle' : 'bi-x-circle' }} me-2"></i>
                    Status: {{ $reminderEnabled === '1' ? 'Aktif' : 'Nonaktif' }}
                </div>

                <!-- Next Run -->
                <div class="preview-box mt-3">
                    <h6>Estimasi Next Run:</h6>
                    @php
                        $times = explode(',', $reminderTimes);
                        $now = time();
                        $nextRun = null;

                        foreach ($times as $time) {
                            $time = trim($time);
                            $parts = explode(':', $time);
                            $runTime = mktime((int)$parts[0], (int)$parts[1], 0, date('n'), date('j'), date('Y'));

                            if ($runTime > $now) {
                                $nextRun = date('d M Y, H:i', $runTime);
                                break;
                            }
                        }

                        if (!$nextRun) {
                            $time = trim($times[0]);
                            $parts = explode(':', $time);
                            $tomorrow = mktime((int)$parts[0], (int)$parts[1], 0, date('n'), date('j') + 1, date('Y'));
                            $nextRun = date('d M Y, H:i', $tomorrow);
                        }
                    @endphp
                    <div class="preview-item">
                        <i class="bi bi-arrow-right-circle"></i>
                        <span>{{ $nextRun }}</span>
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection

@push('scripts')
<script>
    function selectDay(day) {
        document.querySelectorAll('.day-btn').forEach(btn => {
            btn.classList.remove('active');
        });
        document.querySelector(`[data-day="${day}"]`).classList.add('active');
        document.getElementById('selectedDay').value = day;
    }

    function updatePreview() {
        const times = [
            document.getElementById('time1').value,
            document.getElementById('time2').value,
            document.getElementById('time3').value
        ].filter(t => t);

        const combined = times.join(',');
        document.getElementById('reminderTimesCombined').value = combined;

        const previewDiv = document.getElementById('previewTimes');
        previewDiv.innerHTML = times.map(time => `
            <div class="preview-item">
                <i class="bi bi-clock"></i>
                <span>Setiap hari jam ${time}</span>
            </div>
        `).join('');
    }

    document.querySelectorAll('input[type="time"]').forEach(input => {
        input.addEventListener('change', updatePreview);
    });

    function testReminder() {
        if (confirm('Jalankan test pengingat sekarang? Ini akan mengirim notifikasi test ke semua user.')) {
            const btn = event.target;
            btn.disabled = true;
            btn.innerHTML = '<i class="bi bi-hourglass me-2"></i>Menjalankan...';

            // Submit form with flag or use fetch
            fetch('/admin/reminder-setting/test', {
                method: 'POST',
                headers: {
                    'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
                    'Content-Type': 'application/json'
                }
            })
            .then(response => response.json())
            .then(data => {
                alert(data.message);
                btn.disabled = false;
                btn.innerHTML = '<i class="bi bi-play-circle me-2"></i>Test Pengingat';
            })
            .catch(error => {
                alert('Error: ' + error.message);
                btn.disabled = false;
                btn.innerHTML = '<i class="bi bi-play-circle me-2"></i>Test Pengingat';
            });
        }
    }

    // Initialize
    updatePreview();
</script>
@endpush