import { describe, it, expect, beforeEach, afterEach } from '@jest/globals'

/**
 * 账户同步接口契约测试
 * 基于 contracts/account-sync.md 的规范
 */
describe('Account Sync Contract Tests', () => {
  beforeEach(() => {
    // 设置测试环境
  })

  afterEach(() => {
    // 清理测试环境
  })

  describe('POST /control-plane/account-sync', () => {
    it('should accept valid account sync request', async () => {
      const requestBody = {
        requestId: 'test-uuid-123',
        accounts: [
          {
            accountId: 'pacifica-1',
            exchange: 'pacifica',
            nonce: 1695800000
          }
        ]
      }

      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Account sync endpoint not implemented yet')
      }).toThrow('Account sync endpoint not implemented yet')
    })

    it('should return account balances and positions', async () => {
      const expectedResponse = {
        requestId: 'test-uuid-123',
        timestamp: '2025-09-27T12:00:00Z',
        results: [
          {
            accountId: 'pacifica-1',
            status: 'success',
            balances: [
              { asset: 'USDT', total: '120.53', available: '72.28' },
              { asset: 'BTC', total: '0.0012', available: '0.0003' }
            ],
            positions: [
              {
                symbol: 'BTC',
                side: 'long',
                size: '0.0009',
                entryPrice: '109293.50',
                markPrice: '109310.12',
                unrealizedPnl: '0.15'
              }
            ],
            utilization: {
              value: 0.65,
              formula: '(totalBalance - availableBalance) / totalBalance'
            }
          }
        ],
        errors: []
      }

      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Account sync response not implemented yet')
      }).toThrow('Account sync response not implemented yet')
    })

    it('should handle authentication errors', async () => {
      const requestBody = {
        requestId: 'test-uuid-456',
        accounts: [
          {
            accountId: 'aster-1',
            exchange: 'aster',
            nonce: 1695800001
          }
        ]
      }

      const expectedErrorResponse = {
        requestId: 'test-uuid-456',
        timestamp: '2025-09-27T12:00:01Z',
        results: [],
        errors: [
          {
            accountId: 'aster-1',
            code: 'AUTH_INVALID',
            message: 'API key expired',
            retryable: false
          }
        ]
      }

      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Account sync error handling not implemented yet')
      }).toThrow('Account sync error handling not implemented yet')
    })

    it('should validate request format', async () => {
      const invalidRequest = {
        // 缺少 requestId
        accounts: [
          {
            accountId: 'pacifica-1',
            exchange: 'pacifica'
            // 缺少 nonce
          }
        ]
      }

      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Request validation not implemented yet')
      }).toThrow('Request validation not implemented yet')
    })

    it('should handle multiple accounts in single request', async () => {
      const requestBody = {
        requestId: 'test-uuid-789',
        accounts: [
          {
            accountId: 'pacifica-1',
            exchange: 'pacifica',
            nonce: 1695800002
          },
          {
            accountId: 'aster-1',
            exchange: 'aster',
            nonce: 1695800003
          }
        ]
      }

      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Multiple account sync not implemented yet')
      }).toThrow('Multiple account sync not implemented yet')
    })

    it('should calculate utilization correctly', async () => {
      const balances = [
        { asset: 'USDT', total: '100.00', available: '40.00' }
      ]
      
      // 利用率 = (100 - 40) / 100 = 0.6 = 60%
      const expectedUtilization = 0.6

      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Utilization calculation not implemented yet')
      }).toThrow('Utilization calculation not implemented yet')
    })

    it('should handle partial failures gracefully', async () => {
      const requestBody = {
        requestId: 'test-uuid-partial',
        accounts: [
          {
            accountId: 'pacifica-1',
            exchange: 'pacifica',
            nonce: 1695800004
          },
          {
            accountId: 'invalid-account',
            exchange: 'unknown',
            nonce: 1695800005
          }
        ]
      }

      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Partial failure handling not implemented yet')
      }).toThrow('Partial failure handling not implemented yet')
    })
  })

  describe('Account Sync Business Rules', () => {
    it('should include timestamp in all responses', () => {
      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Timestamp inclusion not implemented yet')
      }).toThrow('Timestamp inclusion not implemented yet')
    })

    it('should generate MonitoringEvent for errors', () => {
      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Monitoring event generation not implemented yet')
      }).toThrow('Monitoring event generation not implemented yet')
    })

    it('should update ExchangeAccount and RiskEnvelope after sync', () => {
      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Account and risk envelope updates not implemented yet')
      }).toThrow('Account and risk envelope updates not implemented yet')
    })

    it('should preserve precision in balance strings', () => {
      // 这个测试应该失败，因为还没有实现
      expect(() => {
        throw new Error('Balance precision handling not implemented yet')
      }).toThrow('Balance precision handling not implemented yet')
    })
  })
})