import 'package:flutter_riverpod/flutter_riverpod.dart';

import '../data/models/project.dart';
import 'api_client_provider.dart';

final projectsProvider =
    AsyncNotifierProvider<ProjectsNotifier, List<Project>>(
        ProjectsNotifier.new);

class ProjectsNotifier extends AsyncNotifier<List<Project>> {
  @override
  Future<List<Project>> build() async {
    return ref
        .watch(projectsRepositoryProvider)
        .getAll(sort: 'updated_at', order: 'desc');
  }

  Future<void> refresh() async {
    final fresh = await ref.read(projectsRepositoryProvider)
        .getAll(sort: 'updated_at', order: 'desc');
    state = AsyncData(fresh);
  }

  Future<Project> create({
    required String title,
    String? description,
    String? goal,
    String? color,
  }) async {
    final project = await ref.read(projectsRepositoryProvider).create(
          title: title,
          description: description,
          goal: goal,
          color: color,
        );
    state = AsyncData([...state.value ?? [], project]);
    return project;
  }

  Future<Project> updateProject(int id, Map<String, dynamic> fields) async {
    final updated =
        await ref.read(projectsRepositoryProvider).update(id, fields);
    state = AsyncData([
      for (final p in state.value ?? [])
        if (p.id == id) updated else p,
    ]);
    return updated;
  }

  Future<void> delete(int id) async {
    await ref.read(projectsRepositoryProvider).delete(id);
    state = AsyncData([
      for (final p in state.value ?? [])
        if (p.id != id) p,
    ]);
  }
}