@extends('layouts.app')

@section('title', 'Kampanye Baru')

@section('content')

<div class="page-header">
    <div>
        <h1 class="page-title">Kampanye Broadcast Baru</h1>
        <p class="page-subtitle">Buat dan jadwalkan pesan massal WhatsApp</p>
    </div>
    <a href="{{ route('broadcast.index') }}" class="btn btn-secondary">
        <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="1.75" d="M10 19l-7-7m0 0l7-7m-7 7h18"/></svg>
        Kembali
    </a>
</div>

<div style="max-width:640px;">
    <div class="card">
        <div class="card-header"><span class="card-title">Detail Kampanye</span></div>
        <div class="card-body">
            <form method="POST" action="{{ route('broadcast.store') }}">
                @csrf

                <div class="form-group">
                    <label class="form-label">Nama Kampanye <span class="required">*</span></label>
                    <input type="text" name="name" class="form-control @error('name') is-invalid @enderror"
                           value="{{ old('name') }}" placeholder="misal: Promo Ramadan 2025" required autofocus>
                    @error('name')<p class="field-error">{{ $message }}</p>@enderror
                </div>

                @if($templates->count())
                <div class="form-group">
                    <label class="form-label">Gunakan Template</label>
                    <select name="template_id" class="form-control" id="templateSelect">
                        <option value="">— Tulis pesan manual —</option>
                        @foreach($templates as $tpl)
                        <option value="{{ $tpl->id }}" data-content="{{ $tpl->content }}">{{ $tpl->name }}</option>
                        @endforeach
                    </select>
                </div>
                @endif

                <div class="form-group">
                    <label class="form-label">Pesan <span class="required">*</span></label>
                    <textarea name="message" id="messageArea" class="form-control @error('message') is-invalid @enderror"
                              rows="5" placeholder="Halo {nama}, kami ingin menginformasikan..." required>{{ old('message') }}</textarea>
                    <p class="field-hint">Gunakan <code style="background:var(--gray-100);padding:1px 5px;border-radius:3px;">{nama}</code> untuk variable nama kontak</p>
                    @error('message')<p class="field-error">{{ $message }}</p>@enderror
                </div>

                <div class="form-group">
                    <label class="form-label">Filter Penerima</label>
                    <select name="status_filter" class="form-control" id="statusFilter" onchange="updateCount()">
                        <option value="">Semua Kontak</option>
                        @foreach(\App\Models\Contact::STATUS_LABELS as $val => $label)
                        <option value="{{ $val }}" {{ old('status_filter') === $val ? 'selected' : '' }}>{{ $label }}</option>
                        @endforeach
                    </select>
                    <p class="field-hint" id="recipientCount" style="color:var(--primary);font-weight:500;">Memuat jumlah penerima...</p>
                </div>

                <div class="form-group">
                    <label class="form-label">Jadwal Pengiriman</label>
                    <input type="datetime-local" name="scheduled_at" class="form-control"
                           value="{{ old('scheduled_at') }}" min="{{ now()->format('Y-m-d\TH:i') }}">
                    <p class="field-hint">Kosongkan jika ingin kirim sebagai draft (manual)</p>
                </div>

                <div style="display:flex;gap:.75rem;justify-content:flex-end;">
                    <a href="{{ route('broadcast.index') }}" class="btn btn-secondary">Batal</a>
                    <button type="submit" class="btn btn-primary">
                        <svg fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"/></svg>
                        Buat Kampanye
                    </button>
                </div>
            </form>
        </div>
    </div>
</div>

@endsection

@push('scripts')
<script>
// Template fill
var tplSelect = document.getElementById('templateSelect');
if (tplSelect) {
    tplSelect.addEventListener('change', function() {
        var opt = this.options[this.selectedIndex];
        var content = opt.getAttribute('data-content');
        if (content) {
            document.getElementById('messageArea').value = content;
        }
    });
}

// Recipient count
function updateCount() {
    var status = document.getElementById('statusFilter').value;
    var url    = '{{ route('contacts.api.search') }}?count=1' + (status ? '&status=' + status : '');
    fetch(url, { headers: { 'Accept': 'application/json' } })
        .then(function(r) { return r.json(); })
        .catch(function() { return []; })
        .then(function(data) {
            // Placeholder — actual count akan dihitung saat store
            document.getElementById('recipientCount').textContent = 'Estimasi penerima: ' + (Array.isArray(data) ? data.length : '—');
        });
}
updateCount();
</script>
@endpush