import { vi, describe, it, expect, beforeEach } from 'vitest';
import { InMemoryTransactionRepository } from './InMemoryTransactionRepository';
import { Transaction, TransactionType } from '@core/racing/domain/entities/league-wallet/Transaction';
import { TransactionId } from '@core/racing/domain/entities/league-wallet/TransactionId';
import { LeagueWalletId } from '@core/racing/domain/entities/league-wallet/LeagueWalletId';
import { Money } from '@core/racing/domain/value-objects/Money';
import type { Logger } from '@core/shared/application';

describe('InMemoryTransactionRepository', () => {
  let repository: InMemoryTransactionRepository;
  let mockLogger: Logger;

  beforeEach(() => {
    mockLogger = {
      debug: vi.fn(),
      info: vi.fn(),
      warn: vi.fn(),
      error: vi.fn(),
    };
    repository = new InMemoryTransactionRepository(mockLogger);
  });

  const createTestTransaction = (id: string, walletId: string, type: TransactionType, amount: number) => {
    return Transaction.create({
      id: TransactionId.create(id),
      walletId: LeagueWalletId.create(walletId),
      type,
      amount: Money.create(amount),
      completedAt: undefined,
      description: undefined,
      metadata: undefined,
    });
  };

  describe('constructor', () => {
    it('should initialize with a logger', () => {
      expect(repository).toBeDefined();
      expect(mockLogger.info).toHaveBeenCalledWith('InMemoryTransactionRepository initialized.');
    });
  });

  describe('findById', () => {
    it('should return null if transaction not found', async () => {
      const result = await repository.findById('nonexistent');
      expect(result).toBeNull();
      expect(mockLogger.debug).toHaveBeenCalledWith('Finding transaction by id: nonexistent');
      expect(mockLogger.warn).toHaveBeenCalledWith('Transaction with id nonexistent not found.');
    });

    it('should return the transaction if found', async () => {
      const transaction = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      await repository.create(transaction);

      const result = await repository.findById('1');
      expect(result).toEqual(transaction);
      expect(mockLogger.info).toHaveBeenCalledWith('Found transaction: 1.');
    });
  });

  describe('findByWalletId', () => {
    it('should return transactions filtered by wallet ID', async () => {
      const transaction1 = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      const transaction2 = createTestTransaction('2', 'wallet2', 'prize_payout', 200);
      await repository.create(transaction1);
      await repository.create(transaction2);

      const result = await repository.findByWalletId('wallet1');
      expect(result).toHaveLength(1);
      expect(result[0]).toEqual(transaction1);
    });
  });

  describe('findByType', () => {
    it('should return transactions filtered by type', async () => {
      const transaction1 = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      const transaction2 = createTestTransaction('2', 'wallet1', 'prize_payout', 200);
      await repository.create(transaction1);
      await repository.create(transaction2);

      const result = await repository.findByType('sponsorship_payment');
      expect(result).toHaveLength(1);
      expect(result[0]).toEqual(transaction1);
    });
  });

  describe('create', () => {
    it('should create a new transaction', async () => {
      const transaction = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      const result = await repository.create(transaction);
      expect(result).toEqual(transaction);
      expect(mockLogger.info).toHaveBeenCalledWith('Transaction 1 created successfully.');
    });

    it('should throw error if transaction already exists', async () => {
      const transaction = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      await repository.create(transaction);
      await expect(repository.create(transaction)).rejects.toThrow('Transaction with this ID already exists');
    });
  });

  describe('update', () => {
    it('should update an existing transaction', async () => {
      const transaction = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      await repository.create(transaction);

      const updatedTransaction = Transaction.create({
        id: TransactionId.create('1'),
        walletId: LeagueWalletId.create('wallet1'),
        type: 'prize_payout',
        amount: Money.create(150),
        completedAt: undefined,
        description: undefined,
        metadata: undefined,
      });
      const result = await repository.update(updatedTransaction);
      expect(result).toEqual(updatedTransaction);
      expect(mockLogger.info).toHaveBeenCalledWith('Transaction 1 updated successfully.');
    });

    it('should throw error if transaction does not exist', async () => {
      const transaction = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      await expect(repository.update(transaction)).rejects.toThrow('Transaction not found');
    });
  });

  describe('delete', () => {
    it('should delete an existing transaction', async () => {
      const transaction = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      await repository.create(transaction);

      await repository.delete('1');
      expect(mockLogger.info).toHaveBeenCalledWith('Transaction 1 deleted successfully.');
      const found = await repository.findById('1');
      expect(found).toBeNull();
    });

    it('should throw error if transaction does not exist', async () => {
      await expect(repository.delete('nonexistent')).rejects.toThrow('Transaction with ID nonexistent not found');
    });
  });

  describe('exists', () => {
    it('should return true if transaction exists', async () => {
      const transaction = createTestTransaction('1', 'wallet1', 'sponsorship_payment', 100);
      await repository.create(transaction);

      const result = await repository.exists('1');
      expect(result).toBe(true);
    });

    it('should return false if transaction does not exist', async () => {
      const result = await repository.exists('nonexistent');
      expect(result).toBe(false);
    });
  });
});