// Author: fruit.com.cn

import 'package:flutter_test/flutter_test.dart';
import 'package:fruitshorts/core/data/models/reward.dart';
import 'package:fruitshorts/core/data/repositories/reward_repository.dart';
import 'package:fruitshorts/core/data/services/reward_controller.dart';

void main() {
  test('should_refresh_balance_when_check_in_succeeds', () async {
    final repository = _RewardRepository();
    final controller = RewardController(repository);

    await controller.load('id');
    final result = await controller.checkIn();

    expect(result?.rewardCoin, 35);
    expect(controller.overview?.coinBalance, 35);
    expect(repository.overviewCalls, 2);
  });

  test('should_mark_claim_in_flight_when_task_is_claimed', () async {
    final repository = _RewardRepository();
    final controller = RewardController(repository);

    final future = controller.claim('task-1');
    expect(controller.claimingTaskId, 'task-1');
    await future;

    expect(controller.claimingTaskId, isNull);
    expect(repository.claimedTaskId, 'task-1');
  });
}

class _RewardRepository implements RewardRepository {
  int overviewCalls = 0;
  String? claimedTaskId;

  @override
  Future<RewardOverview> fetchOverview(String locale) async {
    overviewCalls += 1;
    return RewardOverview(
      serverDate: '2026-11-05',
      timezone: 'Asia/Jakarta',
      coinBalance: overviewCalls > 1 ? 35 : 0,
      checkin: const RewardCheckinState(
        taskId: '1',
        checkedInToday: false,
        streak: 0,
        currentDay: 1,
      ),
    );
  }

  @override
  Future<RewardActionResult> checkIn() async {
    return const RewardActionResult(
      rewardCoin: 35,
      coinBalance: 35,
      alreadyCompleted: false,
    );
  }

  @override
  Future<RewardActionResult> claim(String taskId) async {
    claimedTaskId = taskId;
    await Future<void>.delayed(Duration.zero);
    return const RewardActionResult(
      rewardCoin: 20,
      coinBalance: 55,
      alreadyCompleted: false,
    );
  }
}