@extends('layouts.app')

@push('styles')
<link rel="stylesheet" href="{{ asset('css/adminHeader.css') }}">
<link rel="stylesheet" href="{{ asset('css/statisticsAdmin.css') }}">
@endpush

@section('content')
<div class="container">
    <div class="admin-header-box">
        <div>
            <h4>Statistik: {{ $survey->title }}</h4>
            <p>Analisis data respons bagi borang ini.</p>
        </div>
        <div class="d-flex gap-2">
            <a href="{{ route('admin.surveys.statistics_print', $survey->id) }}" target="_blank" class="btn btn-sm btn-light px-3 fw-bold text-primary">
                <i class="bi bi-printer me-1"></i> Cetak
            </a>
            <a href="{{ route('admin.surveys.index') }}" class="btn btn-sm btn-light px-3 fw-bold text-primary">
                <i class="bi bi-arrow-left me-1"></i> Kembali
            </a>
        </div>
    </div>

    <div class="row g-2 mb-3">
        <div class="col-md-6">
            <div class="card shadow-sm border text-center py-2">
                <div class="card-body p-2">
                    <h3 class="stat-card-number">{{ $totalSurveyRespondents }}</h3>
                    <small class="text-muted">Jumlah Responden</small>
                </div>
            </div>
        </div>
        <div class="col-md-6">
            <div class="card shadow-sm border text-center py-2">
                <div class="card-body p-2">
                    <h3 class="stat-card-number">{{ $totalSurveyQuestions }}</h3>
                    <small class="text-muted">Jumlah Soalan</small>
                </div>
            </div>
        </div>
    </div>

    @foreach($results as $questionId => $result)
    <div class="card shadow-sm mb-5 break-inside-avoid">
        <div class="card-header bg-white">
            <h5 class="fw-bold mb-0">Soalan: {{ $result['question'] }}</h5>
        </div>
        <div class="card-body">
            @if(isset($result['type']) && $result['type'] == 'text')
                {{-- DISPLAY TEXT ANSWERS --}}
                <div class="table-responsive">
                    <table class="table table-bordered table-striped">
                        <thead class="table-light">
                            <tr>
                                <th style="width: 50px;">#</th>
                                <th>Jawapan Responden</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse($result['data'] as $index => $answer)
                            <tr>
                                <td>{{ $loop->iteration }}</td>
                                <td>{{ $answer }}</td>
                            </tr>
                            @empty
                            <tr>
                                <td colspan="2" class="text-center text-muted">Tiada jawapan.</td>
                            </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            @else
                {{-- DISPLAY CHART FOR RADIO/CHECKBOX --}}
                <div class="row">
                    <div class="col-md-7 mb-4 mb-md-0">
                        <div class="chart-container-box">
                            <canvas id="chart-{{ $questionId }}"></canvas>
                        </div>
                    </div>
                    <div class="col-md-5">
                        <table class="table table-bordered table-striped table-hover">
                            <thead class="table-dark">
                                <tr>
                                    <th class="text-center">Pilihan Jawapan</th>
                                    <th class="text-center">Kekerapan</th>
                                    <th class="text-center">Peratus (%)</th>
                                </tr>
                            </thead>
                            <tbody>
                                @foreach($result['data'] as $stat)
                                <tr>
                                    <td>{{ $stat['label'] }}</td>
                                    <td class="text-center">{{ $stat['count'] }}</td>
                                    <td class="text-center fw-bold">{{ $stat['percentage'] }}%</td>
                                </tr>
                                @endforeach
                                <tr class="table-secondary fw-bold">
                                    <td>JUMLAH</td>
                                    <td class="text-center">{{ $result['total'] }}</td>
                                    <td class="text-center">100%</td>
                                </tr>
                            </tbody>
                        </table>
                    </div>
                </div>

                @if(!empty($result['other_answers']))
                    <div class="mt-4">
                        <h6 class="fw-bold text-secondary">Jawapan Lain-lain:</h6>
                        <ul class="list-group list-group-flush border rounded">
                            @foreach($result['other_answers'] as $otherAns)
                                <li class="list-group-item other-answer-item">{{ $otherAns }}</li>
                            @endforeach
                        </ul>
                    </div>
                @endif
            @endif
        </div>
    </div>
    @endforeach
</div>

{{-- Load Chart.js CDN (Kalau belum ada dalam layout) --}}
<script src="https://cdn.jsdelivr.net/npm/chart.js"></script>

<script>
document.addEventListener('DOMContentLoaded', function() {

    const results = @json($results);

    Object.keys(results).forEach(id => {
        const data = results[id];
        
        if(data.type === 'text') return;

        const ctx = document.getElementById(`chart-${id}`).getContext('2d');

        // Extract labels dan values untuk chart
        const labels = data.data.map(item => item.label);
        const counts = data.data.map(item => item.count);

        new Chart(ctx, {
            type: 'bar',
            data: {
                labels: labels,
                datasets: [{
                    label: 'Bilangan Responden',
                    data: counts,
                    backgroundColor: [
                    'rgba(255, 99, 132, 0.2)',
                    'rgba(255, 159, 64, 0.2)',
                    'rgba(255, 205, 86, 0.2)',
                    'rgba(75, 192, 192, 0.2)',
                    'rgba(54, 162, 235, 0.2)',
                    'rgba(153, 102, 255, 0.2)',
                    'rgba(201, 203, 207, 0.2)'],
                    borderColor: [
                    'rgb(255, 99, 132)',
                    'rgb(255, 159, 64)',
                    'rgb(255, 205, 86)',
                    'rgb(75, 192, 192)',
                    'rgb(54, 162, 235)',
                    'rgb(153, 102, 255)',
                    'rgb(201, 203, 207)'],
                    borderWidth: 1
                }]
            },
            options: {
               // indexAxis: 'y',
                responsive: true,
                maintainAspectRatio: false,
                scales: {
                    y: {
                        beginAtZero: true 
                    }
                },
                plugins: {
                    legend: {
                        display: false 
                    }
                }
            }
        });
    });
});
</script>
@endsection