import { describe, it, expect, vi, beforeEach } from 'vitest';
import { PaymentService } from '../write-service';

// Mock viem
vi.mock('viem', () => ({
  createWalletClient: vi.fn(() => ({
    getAddresses: vi.fn().mockResolvedValue(['0x1234567890123456789012345678901234567890']),
    sendTransaction: vi.fn().mockResolvedValue('0xTxHash'),
    writeContract: vi.fn().mockResolvedValue('0xContractHash'),
  })),
  createPublicClient: vi.fn(() => ({
    readContract: vi.fn().mockResolvedValue(1000000n),
    getBytecode: vi.fn().mockResolvedValue('0x123'),
  })),
  encodeFunctionData: vi.fn().mockReturnValue('0xEncodedData'),
  custom: vi.fn(),
  http: vi.fn(),
}));

// Mock abi
vi.mock('../abi', () => ({
  zkSyncLocal: {},
  IPFS_PORTAL_PAYMENT_ABI: [],
  ERC20_ABI: [],
  DEFAULT_CONTRACT_ADDRESS: '0x0000000000000000000000000000000000000000',
}));

describe('PaymentService', () => {
  let service: PaymentService;
  let mockProvider: { request: (args: { method: string; params?: unknown[] }) => Promise<unknown> };

  beforeEach(() => {
    vi.clearAllMocks();
    service = new PaymentService();
    mockProvider = {
      request: vi.fn() as (args: { method: string; params?: unknown[] }) => Promise<unknown>,
    };
  });

  describe('payWithETH', () => {
    it('sends ETH payment', async () => {
      const hash = await service.payWithETH(
        mockProvider,
        'QmTest123',
        1024,
        1000000000000000n
      );

      expect(hash).toBe('0xTxHash');
    });
  });

  describe('approveAndPayWithToken', () => {
    it('approves and pays with token', async () => {
      const result = await service.approveAndPayWithToken(
        mockProvider,
        '0xTokenAddress',
        'QmTest123',
        1024,
        1000000n,
        'USDC'
      );

      expect(result).toHaveProperty('payHash');
    });
  });

  describe('adminSetPricePerMB', () => {
    it('sets price per MB', async () => {
      const hash = await service.adminSetPricePerMB(
        mockProvider,
        1000000000000000n
      );

      expect(hash).toBe('0xTxHash');
    });
  });

  describe('adminSetFreeTierBytes', () => {
    it('sets free tier bytes', async () => {
      const hash = await service.adminSetFreeTierBytes(
        mockProvider,
        1048576n
      );

      expect(hash).toBe('0xTxHash');
    });
  });

  describe('adminConfigureToken', () => {
    it('configures token', async () => {
      const hash = await service.adminConfigureToken(
        mockProvider,
        'USDC',
        '0xTokenAddress',
        6,
        1000000n,
        true
      );

      expect(hash).toBe('0xTxHash');
    });
  });

  describe('isDeployed', () => {
    it('returns false when using default contract address', async () => {
      // Default address is 0x0...0, dus zou false moeten retourneren
      const result = await service.isDeployed();

      expect(result).toBe(false);
    });
  });
});