<?php
// ========================================
// FILE: php/db_check.php
// Skrip Diagnostik dan Sinkronisasi Database
// ========================================

include 'koneksi.php';

// Timpa header dari koneksi.php agar browser merender HTML dengan benar
header('Content-Type: text/html; charset=utf-8');

// Matikan output JSON bawaan koneksi.php jika ada error, kita buat custom HTML UI
ob_start();

$errors = [];
$success_logs = [];
$table_status = [];

// Daftar tabel yang harus ada
$required_tables = [
    'masyarakat_miskin',
    'rumah_ibadah',
    'bantuan_riwayat',
    'bpjs_record',
    'users',
    'fasilitas_jalan',
    'fasilitas_polygon',
    'fasilitas_spbu'
];

// 1. Cek Koneksi Database
if ($conn->connect_error) {
    $errors[] = "Koneksi database gagal: " . $conn->connect_error;
} else {
    $success_logs[] = "Koneksi ke database `{$database}` berhasil!";
}

// 2. Baca file database.sql untuk mengambil DDL jika tabel perlu dibuat
$sql_content = '';
$sql_file = __DIR__ . '/../database.sql';
if (file_exists($sql_file)) {
    $sql_content = file_get_contents($sql_file);
    $success_logs[] = "File `database.sql` ditemukan dan berhasil dibaca.";
} else {
    $errors[] = "File `database.sql` tidak ditemukan di {$sql_file}. Skrip akan menggunakan DDL cadangan.";
}

// Helper untuk eksekusi query pembuatan tabel cadangan jika database.sql tidak ada
$fallback_ddl = [
    'masyarakat_miskin' => "CREATE TABLE IF NOT EXISTS `masyarakat_miskin` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `nama` varchar(100) NOT NULL,
        `tanggal_lahir` date NOT NULL,
        `jenis_kelamin` enum('Laki-laki','Perempuan') NOT NULL,
        `nik` varchar(20),
        `alamat` text NOT NULL,
        `latitude` decimal(10,8) NOT NULL,
        `longitude` decimal(11,8) NOT NULL,
        `status_bpjs` enum('Ya','Tidak','Proses') DEFAULT 'Tidak',
        `no_hp` varchar(15),
        `pekerjaan` varchar(100),
        `pendapatan_bulanan` int(11),
        `jumlah_tanggungan` int(11),
        `status_rumah` enum('Milik Sendiri','Sewa','Menumpang') DEFAULT 'Menumpang',
        `kelurahan` varchar(100),
        `kecamatan` varchar(100),
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
        `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;",
      
    'rumah_ibadah' => "CREATE TABLE IF NOT EXISTS `rumah_ibadah` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `nama` varchar(100) NOT NULL,
        `jenis` enum('Masjid','Gereja','Vihara','Kelenteng','Sinagog','Lain') NOT NULL,
        `latitude` decimal(10,8) NOT NULL,
        `longitude` decimal(11,8) NOT NULL,
        `alamat` text NOT NULL,
        `nama_pemimpin` varchar(100),
        `no_hp_pemimpin` varchar(15),
        `kapasitas` int(11),
        `tahun_didirikan` year,
        `keterangan` text,
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
        `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;",

    'bantuan_riwayat' => "CREATE TABLE IF NOT EXISTS `bantuan_riwayat` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `id_masyarakat` int(11) NOT NULL,
        `jenis_bantuan` varchar(100) NOT NULL,
        `tanggal_bantuan` date NOT NULL,
        `nilai` int(11) NOT NULL,
        `satuan` varchar(50),
        `keterangan` text,
        `nama_pemberi` varchar(100),
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
        FOREIGN KEY (`id_masyarakat`) REFERENCES `masyarakat_miskin`(`id`) ON DELETE CASCADE
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;",

    'bpjs_record' => "CREATE TABLE IF NOT EXISTS `bpjs_record` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `id_masyarakat` int(11) NOT NULL,
        `no_peserta` varchar(20) NOT NULL UNIQUE,
        `jenis_bpjs` enum('Kesehatan','Ketenagakerjaan','Jaminan Hari Tua') DEFAULT 'Kesehatan',
        `tingkat` enum('Penerima Bantuan Iuran (PBI)','Pekerja Penerima Upah','Pekerja Bukan Penerima Upah','Peserta Mandiri') DEFAULT 'Penerima Bantuan Iuran (PBI)',
        `tanggal_daftar` date NOT NULL,
        `status_aktif` enum('Aktif','Nonaktif','Suspended') DEFAULT 'Aktif',
        `faskes_tingkat_1` varchar(100),
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
        `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
        FOREIGN KEY (`id_masyarakat`) REFERENCES `masyarakat_miskin`(`id`) ON DELETE CASCADE
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;",

    'users' => "CREATE TABLE IF NOT EXISTS `users` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `username` varchar(50) NOT NULL UNIQUE,
        `password` varchar(255) NOT NULL,
        `nama_lengkap` varchar(100) NOT NULL,
        `role` enum('Admin','Surveyor','Viewer') DEFAULT 'Surveyor',
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;",

    'fasilitas_jalan' => "CREATE TABLE IF NOT EXISTS `fasilitas_jalan` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `nama` varchar(150) NOT NULL,
        `geojson` text NOT NULL,
        `tipe` varchar(50),
        `keterangan` text,
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
        `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;",

    'fasilitas_polygon' => "CREATE TABLE IF NOT EXISTS `fasilitas_polygon` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `nama` varchar(150) NOT NULL,
        `geojson` text NOT NULL,
        `tipe` varchar(50),
        `keterangan` text,
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
        `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;",

    'fasilitas_spbu' => "CREATE TABLE IF NOT EXISTS `fasilitas_spbu` (
        `id` int(11) NOT NULL AUTO_INCREMENT PRIMARY KEY,
        `nama` varchar(150) NOT NULL,
        `latitude` decimal(10,8) NOT NULL,
        `longitude` decimal(11,8) NOT NULL,
        `alamat` text,
        `is_24_jam` enum('Ya','Tidak') DEFAULT 'Tidak',
        `created_at` timestamp DEFAULT CURRENT_TIMESTAMP,
        `updated_at` timestamp DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP
      ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;"
];

// Cek dan buat tabel jika belum ada
foreach ($required_tables as $table) {
    $check_table = $conn->query("SHOW TABLES LIKE '{$table}'");
    if ($check_table && $check_table->num_rows > 0) {
        // Tabel ada, cek jumlah baris
        $count_res = $conn->query("SELECT COUNT(*) as total FROM `{$table}`");
        $count = $count_res ? $count_res->fetch_assoc()['total'] : 0;
        $table_status[$table] = [
            'exists' => true,
            'count' => $count,
            'action' => 'No action needed'
        ];
    } else {
        // Tabel tidak ada, coba buat dari file SQL
        $created = false;
        if (!empty($sql_content)) {
            // parsing DDL dari sql_content secara sederhana (karena multi_query bisa lambat / error untuk tabel spesifik)
            // Sebagai alternatif, jalankan DDL cadangan agar 100% aman dan presisi
            $ddl = $fallback_ddl[$table] ?? '';
            if ($ddl && $conn->query($ddl)) {
                $created = true;
            }
        } else {
            $ddl = $fallback_ddl[$table] ?? '';
            if ($ddl && $conn->query($ddl)) {
                $created = true;
            }
        }

        if ($created) {
            $table_status[$table] = [
                'exists' => true,
                'count' => 0,
                'action' => 'Table created successfully'
            ];
            $success_logs[] = "Tabel `{$table}` berhasil dibuat karena tidak ditemukan.";
        } else {
            $table_status[$table] = [
                'exists' => false,
                'count' => 0,
                'action' => 'Failed to create: ' . $conn->error
            ];
            $errors[] = "Gagal membuat tabel `{$table}`: " . $conn->error;
        }
    }
}

// 3. Cek Default Admin User
if (isset($table_status['users']) && $table_status['users']['exists']) {
    $check_admin = $conn->query("SELECT id FROM users WHERE username = 'admin'");
    if ($check_admin && $check_admin->num_rows === 0) {
        $insert_admin = $conn->query("INSERT INTO `users` (`username`, `password`, `nama_lengkap`, `role`) VALUES 
            ('admin', '5f4dcc3b5aa765d61d8327deb882cf99', 'Administrator', 'Admin')");
        if ($insert_admin) {
            $success_logs[] = "Akun default admin berhasil ditambahkan.";
            $table_status['users']['count'] += 1;
        } else {
            $errors[] = "Gagal menambahkan akun default admin: " . $conn->error;
        }
    }
}

// 4. Masukkan Data Sampel jika tabel kosong
if (isset($table_status['masyarakat_miskin']) && $table_status['masyarakat_miskin']['exists'] && $table_status['masyarakat_miskin']['count'] == 0) {
    $insert_sampel = $conn->query("INSERT INTO `masyarakat_miskin` 
        (`id`, `nama`, `tanggal_lahir`, `jenis_kelamin`, `nik`, `alamat`, `latitude`, `longitude`, `status_bpjs`, `no_hp`, `pekerjaan`, `pendapatan_bulanan`, `jumlah_tanggungan`, `status_rumah`, `kelurahan`, `kecamatan`) VALUES
        (1, 'Siti Nur Azizah', '1985-03-15', 'Perempuan', '6101234567890123', 'Jl. Mahakam No. 25', -0.06120000, 109.34450000, 'Ya', '081234567890', 'Buruh Harian', 1500000, 4, 'Menumpang', 'Sungai Jawi', 'Pontianak Kota')");
    if ($insert_sampel) {
        $success_logs[] = "Data sampel warga `Siti Nur Azizah` berhasil ditambahkan.";
        $table_status['masyarakat_miskin']['count'] = 1;
        
        // Tambahkan juga riwayat bantuan dan BPJS record yang cocok
        $conn->query("INSERT INTO `bpjs_record` (`id_masyarakat`, `no_peserta`, `jenis_bpjs`, `tingkat`, `tanggal_daftar`, `status_aktif`, `faskes_tingkat_1`) VALUES
            (1, '0001234567890', 'Kesehatan', 'Penerima Bantuan Iuran (PBI)', '2020-01-15', 'Aktif', 'Puskesmas Pontianak Kota')");
        
        $conn->query("INSERT INTO `bantuan_riwayat` (`id_masyarakat`, `jenis_bantuan`, `tanggal_bantuan`, `nilai`, `satuan`, `keterangan`, `nama_pemberi`) VALUES
            (1, 'Bantuan Pangan Non Tunai (BPNT)', '2026-05-10', 200000, 'Rupiah/Bulan', 'Bantuan Sembako tahap V', 'Dinas Sosial')");
            
        $success_logs[] = "Data sampel BPJS & Riwayat Bantuan berhasil dihubungkan ke warga.";
    }
}

if (isset($table_status['rumah_ibadah']) && $table_status['rumah_ibadah']['exists'] && $table_status['rumah_ibadah']['count'] == 0) {
    $insert_sampel_ibadah = $conn->query("INSERT INTO `rumah_ibadah` (`nama`, `jenis`, `latitude`, `longitude`, `alamat`, `nama_pemimpin`, `no_hp_pemimpin`, `kapasitas`, `tahun_didirikan`) VALUES
        ('Masjid Al-Hidayah', 'Masjid', -0.06150000, 109.34500000, 'Jl. Diponegoro No. 45', 'Ustaz Ahmad', '081234567890', 500, 2005),
        ('Gereja Hati Kudus', 'Gereja', -0.06100000, 109.34400000, 'Jl. Jend Sudirman No. 12', 'Pdt. Bonaventura', '081234567891', 300, 1995)");
    if ($insert_sampel_ibadah) {
        $success_logs[] = "Data sampel rumah ibadah (Masjid & Gereja) berhasil ditambahkan.";
        $table_status['rumah_ibadah']['count'] = 2;
    }
}

// Bersihkan buffer output
ob_end_clean();

// Tampilkan halaman Laporan Diagnostik
?>
<!DOCTYPE html>
<html lang="id">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>Database Deployment Diagnostic - WebGIS</title>
    <link href="https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;800&display=swap" rel="stylesheet">
    <style>
        body {
            font-family: 'Outfit', sans-serif;
            background-color: #0f172a;
            color: #e2e8f0;
            margin: 0;
            padding: 40px 20px;
        }
        .container {
            max-width: 900px;
            margin: 0 auto;
            background: rgba(30, 41, 59, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            backdrop-filter: blur(10px);
        }
        h1 {
            color: #38bdf8;
            font-weight: 800;
            margin-top: 0;
            border-bottom: 2px solid rgba(56, 189, 248, 0.3);
            padding-bottom: 15px;
        }
        .status-badge {
            display: inline-block;
            padding: 5px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: bold;
        }
        .status-ok {
            background-color: #059669;
            color: #ecfdf5;
        }
        .status-error {
            background-color: #dc2626;
            color: #fef2f2;
        }
        .status-info {
            background-color: #2563eb;
            color: #eff6ff;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
        }
        th, td {
            text-align: left;
            padding: 12px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        th {
            background-color: rgba(56, 189, 248, 0.1);
            color: #38bdf8;
        }
        .log-section {
            background-color: rgba(15, 23, 42, 0.6);
            border-radius: 8px;
            padding: 15px;
            margin-top: 25px;
            font-family: monospace;
            font-size: 13px;
            max-height: 250px;
            overflow-y: auto;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
        .log-success { color: #34d399; margin-bottom: 5px; }
        .log-error { color: #f87171; margin-bottom: 5px; }
        .btn {
            display: inline-block;
            background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
            color: white;
            text-decoration: none;
            padding: 12px 24px;
            border-radius: 8px;
            font-weight: 600;
            margin-top: 20px;
            transition: all 0.3s ease;
        }
        .btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(56, 189, 248, 0.4);
        }
    </style>
</head>
<body>

<div class="container">
    <h1>📊 Status Diagnostik Database WebGIS</h1>
    
    <h3>Hasil Pengecekan Tabel</h3>
    <table>
        <thead>
            <tr>
                <th>Nama Tabel</th>
                <th>Status Keberadaan</th>
                <th>Jumlah Baris Data</th>
                <th>Tindakan Sistem</th>
            </tr>
        </thead>
        <tbody>
            <?php foreach ($required_tables as $table): 
                $status = $table_status[$table] ?? ['exists' => false, 'count' => 0, 'action' => 'Error'];
            ?>
            <tr>
                <td><strong><?php echo htmlspecialchars($table); ?></strong></td>
                <td>
                    <?php if ($status['exists']): ?>
                        <span class="status-badge status-ok">Tersedia</span>
                    <?php else: ?>
                        <span class="status-badge status-error">Tidak Ditemukan</span>
                    <?php endif; ?>
                </td>
                <td><?php echo (int)$status['count']; ?> baris</td>
                <td>
                    <span class="status-badge <?php echo $status['action'] === 'No action needed' ? 'status-ok' : 'status-info'; ?>">
                        <?php echo htmlspecialchars($status['action']); ?>
                    </span>
                </td>
            </tr>
            <?php endforeach; ?>
        </tbody>
    </table>

    <div class="log-section">
        <h4 style="margin: 0 0 10px 0; color: #38bdf8; font-family: sans-serif;">Logs Sistem:</h4>
        <?php foreach ($success_logs as $log): ?>
            <div class="log-success">[SUCCESS] <?php echo htmlspecialchars($log); ?></div>
        <?php endforeach; ?>
        <?php foreach ($errors as $err): ?>
            <div class="log-error">[ERROR] <?php echo htmlspecialchars($err); ?></div>
        <?php endforeach; ?>
    </div>

    <div style="text-align: center;">
        <a href="../index.html" class="btn">Kembali ke Portal WebGIS &rarr;</a>
    </div>
</div>

</body>
</html>