import 'package:drift/drift.dart';
import 'package:trainhub_flutter/core/utils/id_generator.dart';
import 'package:trainhub_flutter/data/database/daos/exercise_dao.dart';
import 'package:trainhub_flutter/data/mappers/exercise_mapper.dart';
import 'package:trainhub_flutter/domain/entities/exercise.dart';
import 'package:trainhub_flutter/domain/repositories/exercise_repository.dart';
import 'package:trainhub_flutter/data/database/app_database.dart';

class ExerciseRepositoryImpl implements ExerciseRepository {
  final ExerciseDao _dao;

  ExerciseRepositoryImpl(this._dao);

  @override
  Future<List<ExerciseEntity>> getAll() async {
    final rows = await _dao.getAllExercises();
    return rows.map(ExerciseMapper.toEntity).toList();
  }

  @override
  Future<ExerciseEntity> create({
    required String name,
    String? instructions,
    String? tags,
    String? videoUrl,
  }) async {
    final String id = IdGenerator.generate();
    await _dao.insertExercise(
      ExercisesCompanion.insert(
        id: id,
        name: name,
        instructions: Value(instructions),
        tags: Value(tags),
        videoUrl: Value(videoUrl),
      ),
    );
    final row = await _dao.getExerciseById(id);
    return ExerciseMapper.toEntity(row);
  }

  @override
  Future<void> update(ExerciseEntity exercise) async {
    await _dao.updateExercise(
      exercise.id,
      ExerciseMapper.toUpdateCompanion(exercise),
    );
  }

  @override
  Future<void> delete(String id) async {
    await _dao.deleteExercise(id);
  }
}