import 'dart:async';

import 'package:path/path.dart';
import 'package:smoke_cess_app/models/mood.dart';
import 'package:sqflite/sqflite.dart';
// ignore: depend_on_referenced_packages
import 'package:path_provider/path_provider.dart';
import 'dart:io';

class DatabaseService {
  DatabaseService._privateConstructor();
  static final DatabaseService instance = DatabaseService._privateConstructor();

  static Database? _database;
  Future<Database> get database async => _database ??= await _initDatabase();

  Future<Database> _initDatabase() async {
    Directory documentsDirectory = await getApplicationDocumentsDirectory();
    String path = join(documentsDirectory.path, 'database.db');
    return await openDatabase(
      path,
      version: 1,
      onCreate: _onCreate,
    );
  }

  Future _onCreate(Database db, int version) async {
    await db.execute('''
      CREATE TABLE mood(
        id INTEGER PRIMARY KEY,
        value INTEGER,
        date TEXT,
        comment TEXT
      )
    ''');
  }

  Future<List<Mood>> getMoodRecords() async {
    Database db = await instance.database;
    var moodRecords = await db.query('mood');
    List<Mood> moodList = moodRecords.isNotEmpty
        ? moodRecords.map((e) => Mood(1, 'comment', DateTime.now())).toList()
        : [];
    return moodList;
  }

  Future<int> addMood(Mood mood) async {
    Database db = await instance.database;
    return await db.insert('mood', mood.toMap());
  }
}