import 'package:sqflite/sqflite.dart';
import 'package:cpd/database/db.dart';
import 'package:cpd/database/habit.dart';

class TodoDB {
  final tableName = 'todos';

  Future<void> createTable(Database database) async {
    await database.execute("""CREATE TABLE IF NOT EXISTS $tableName (
    id INTEGER PRIMARY KEY AUTOINCREMENT,
    isComplete INTEGER NOT NULL,
    title TEXT NOT NULL,
    subtitle TEXT
  )""");
  }

  Future<int?> create({required String title, required String subtitle}) async {
    final database = await HabitDatabase().database;
    return await database?.rawInsert(
      '''insert into $tableName (isComplete, title, subtitle)
      values (?,?,?)''',
    [0 ,title, subtitle ?? '']);
  }

  Future<List<Habit>?> fetchAll() async {
    final database = await HabitDatabase().database;
    final todos = await database?.query(tableName);
    return todos?.map((todo) => Habit.fromSqfliteDatabase(todo)).toList();
  }

  Future<Habit> fetchById(int id) async {
    final database = await HabitDatabase().database;
    final todo = await database?.query(tableName, where: 'id = ?', whereArgs: [id]);
    return Habit.fromSqfliteDatabase(todo!.first);
  }

  Future<int?> update({required int id, String? title, required String? subtitle}) async {
    final database = await HabitDatabase().database;
    return await database?.update(tableName,{
      if (title != null) 'title': title,
      if (subtitle != null) 'subtitle': subtitle,
    },
      where: 'id = ?',
      conflictAlgorithm: ConflictAlgorithm.rollback,
      whereArgs: [id],
    );
  }

  Future<void> delete(int id) async {
    final database = await HabitDatabase().database;
    await database?.delete(tableName, where: 'id = ?', whereArgs: [id]);
  }

  Future<int?>? updateCompletionStatus(int id, bool isCompleted) async {
    final database = await HabitDatabase().database;
    return await database?.update(tableName,{
      'isComplete': isCompleted,
    },
      where: 'id = ?',
      conflictAlgorithm: ConflictAlgorithm.rollback,
      whereArgs: [id],
    );
  }
  }