import 'dart:io';

import 'package:path_provider/path_provider.dart';
import 'package:sqflite/sqflite.dart';
import 'package:path/path.dart';

import '../models/warehouse_mode.dart';

class SqfliteDatabaseHelper {
  SqfliteDatabaseHelper.internal();
  static final SqfliteDatabaseHelper instance =
      SqfliteDatabaseHelper.internal();
  factory SqfliteDatabaseHelper() => instance;

  static final warehouseTable = 'm_warehouses';
  static final typePetiTable = 'type_petis';
  static final conditionPetiTable = 'kondisi_petis';
  static final customerTable = 'customers';
  static final petiTable = 'petis';
  static final transferPetiTable = 'transfers';
  static final disposalTable = 'disposals';

  static final asset_statusesTable = 'asset_statuses';
  // static final assetLocalTable = 'asset_statuses_local';

  static final peminjamanTable = 'peminjamans';
  static final pengembalianTable = 'pengembalians';

  static final _version = 1; // Versi database ditingkatkan

  Database? _db;

  Future<Database?> get db async {
    if (_db != null) {
      return _db;
    }
    _db = await initDb();
    return _db;
  }

  Future<void> saveWarehouseList(List<WarehouseModel> warehouseList) async {
    final dbClient = await db;
    try {
      await dbClient!.transaction((txn) async {
        var batch = txn.batch();
        for (var warehouse in warehouseList) {
          batch.insert(
            warehouseTable,
            warehouse.toJson(),
            conflictAlgorithm: ConflictAlgorithm.replace,
          );
        }
        await batch.commit();
      });
    } catch (e) {
      print('Error saving warehouse list to SQLite: $e');
    }
  }

  Future<Database> initDb() async {
    final Directory directory = await getApplicationDocumentsDirectory();
    String dbPath = join(directory.path, 'siopas.db');
    print(dbPath);
    var openDb = await openDatabase(dbPath, version: _version,
        onCreate: (Database db, int version) async {
      await db.execute("""
        CREATE TABLE $peminjamanTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          mobile_id INTEGER  NULL,
          peti_id INTEGER NULL,
          customer_id INTEGER NULL,
          warehouse_id INTEGER NULL,
          exit_at DATETIME NULL,
          est_pengembalian DATETIME NULL,
          exit_pic TEXT NULL,
          exit_warehouse INTEGER NULL,
          enter_at DATETIME NULL,
          enter_pic TEXT NULL,
          enter_warehouse INTEGER NULL,
          kondisi_peti_id INTEGER NULL,
          status INTEGER NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
      """);

      await db.execute("""
        CREATE TABLE $pengembalianTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT,
          mobile_id INTEGER  NULL,
          peti_id INTEGER NULL,
          customer_id INTEGER NULL,
          warehouse_id INTEGER NULL,
          exit_at DATETIME NULL,
          est_pengembalian DATETIME NULL,
          exit_pic TEXT NULL,
          exit_warehouse INTEGER NULL,
          enter_at DATETIME NULL,
          enter_pic TEXT NULL,
          enter_warehouse INTEGER NULL,
          kondisi_peti_id INTEGER NULL,
          status INTEGER NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
      """);

      await db.execute("""
        CREATE TABLE $asset_statusesTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT, 
          mobile_id INTEGER NOT NULL,
          peti_id INTEGER NULL,
          customer_id INTEGER NULL,
          warehouse_id INTEGER NULL,
          exit_at DATETIME NULL,
          est_pengembalian DATETIME NULL,
          exit_pic TEXT NULL,
          exit_warehouse INTEGER NULL,
          enter_at DATETIME NULL,
          enter_pic TEXT NULL,
          enter_warehouse INTEGER NULL,
          kondisi_peti_id INTEGER NULL,
          status INTEGER NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
      """);

      await db.execute("""
        CREATE TABLE $warehouseTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT, 
          mobile_id TEXT NULL,
          name TEXT NULL,
          description TEXT NULL,
          address TEXT NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
      """);

      await db.execute("""
        CREATE TABLE $typePetiTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT, 
          type TEXT NULL,
          size_peti TEXT NULL,
          description TEXT NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
      """);

      await db.execute("""
        CREATE TABLE $conditionPetiTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT, 
          nama_kondisi TEXT NULL,
          deskripsi_kondisi TEXT NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
      """);

      await db.execute("""
        CREATE TABLE $customerTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT, 
          name TEXT NULL,
          code_customer TEXT NULL,
          lot_no TEXT NULL,
          no_tlp TEXT NULL,
          address TEXT NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
      """);

      await db.execute("""
    CREATE TABLE $petiTable (
      id INTEGER PRIMARY KEY AUTOINCREMENT,
      fix_lot TEXT NULL,
      customer_id INTEGER NULL,
      warehouse_id INTEGER NULL,
      kondisipeti_id INTEGER NULL,
      status TEXT NULL,
      created_at TIMESTAMP NULL,
      updated_at TIMESTAMP NULL,
      deleted_at TIMESTAMP NULL,
      FOREIGN KEY (customer_id) REFERENCES $customerTable(id),
      FOREIGN KEY (warehouse_id) REFERENCES $warehouseTable(id)
    );
    """);

      await db.execute("""
        CREATE TABLE $transferPetiTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT, 
          mobile_id TEXT NULL,
          peti_id INTEGER NULL,
          name_customer INTEGER NULL,
          source_warehouse INTEGER NULL,
          destination_warehouse INTEGER NULL,
          date DATETIME NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
    """);

      await db.execute("""
        CREATE TABLE $disposalTable (
          id INTEGER PRIMARY KEY AUTOINCREMENT, 
          mobile_id TEXT NULL,
          peti_id INTEGER NULL,
          customer_id INTEGER NULL,
          warehouse_id INTEGER NULL,
          date_disposal DATETIME NULL,
          description LONGTEXT NULL,
          status_disposal TEXT NULL,
          created_at TIMESTAMP NULL,
          updated_at TIMESTAMP NULL,
          deleted_at TIMESTAMP NULL,
          created_by TEXT NULL,
          updated_by TEXT NULL
        );
    """);

      // Tambahkan CREATE TABLE untuk tabel-tabel lainnya di sini
    }, onUpgrade: (Database db, int oldversion, int newversion) async {
      if (oldversion < newversion) {
        print("Version Upgrade");
        // Tambahkan pernyataan ALTER TABLE jika diperlukan
      }
    });
    print('db initialize');
    return openDb;
  }
}