/**
 * Property-based tests for user API
 * **Feature: miniapp-frontend, Property 19: Search Parameters**
 * **Validates: Requirements 11.2**
 */

import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest'
import * as fc from 'fast-check'

// Mock uni object
vi.mock('../../__tests__/mocks/uni.js', () => ({}))

// Create a mock for the request module to capture API calls
let capturedRequest = null

vi.mock('../../api/request', () => ({
  post: vi.fn((url, data) => {
    capturedRequest = { url, data }
    return Promise.resolve({ success: true, data: { items: [], total: 0 } })
  }),
  get: vi.fn((url, data) => {
    capturedRequest = { url, data }
    return Promise.resolve({ success: true, data: [] })
  })
}))

// Import after mocking
import { search } from '../../api/user.js'
import { post } from '../../api/request'

describe('User API Property Tests', () => {
  beforeEach(() => {
    capturedRequest = null
    vi.clearAllMocks()
  })

  /**
   * Property 19: Search Parameters
   * *For any* search submission, the API call SHALL include all filter parameters 
   * matching the user's selections.
   * **Validates: Requirements 11.2**
   */
  describe('Property 19: Search Parameters', () => {
    // Arbitrary for search parameters
    const searchParamsArb = fc.record({
      ageMin: fc.option(fc.integer({ min: 18, max: 50 }), { nil: undefined }),
      ageMax: fc.option(fc.integer({ min: 18, max: 50 }), { nil: undefined }),
      heightMin: fc.option(fc.integer({ min: 140, max: 200 }), { nil: undefined }),
      heightMax: fc.option(fc.integer({ min: 140, max: 200 }), { nil: undefined }),
      education: fc.option(fc.array(fc.integer({ min: 1, max: 7 }), { minLength: 0, maxLength: 5 }), { nil: undefined }),
      province: fc.option(fc.stringOf(fc.constantFrom('北京', '上海', '广东', '浙江', '江苏'), { minLength: 0, maxLength: 1 }), { nil: undefined }),
      city: fc.option(fc.stringOf(fc.constantFrom('北京', '上海', '广州', '深圳', '杭州'), { minLength: 0, maxLength: 1 }), { nil: undefined }),
      monthlyIncomeMin: fc.option(fc.integer({ min: 0, max: 100000 }), { nil: undefined }),
      monthlyIncomeMax: fc.option(fc.integer({ min: 0, max: 100000 }), { nil: undefined }),
      houseStatus: fc.option(fc.array(fc.integer({ min: 1, max: 4 }), { minLength: 0, maxLength: 4 }), { nil: undefined }),
      carStatus: fc.option(fc.array(fc.integer({ min: 1, max: 3 }), { minLength: 0, maxLength: 3 }), { nil: undefined }),
      marriageStatus: fc.option(fc.array(fc.integer({ min: 1, max: 4 }), { minLength: 0, maxLength: 4 }), { nil: undefined }),
      pageIndex: fc.option(fc.integer({ min: 1, max: 100 }), { nil: undefined }),
      pageSize: fc.option(fc.integer({ min: 10, max: 50 }), { nil: undefined })
    })

    it('should pass all provided search parameters to the API', async () => {
      await fc.assert(
        fc.asyncProperty(
          searchParamsArb,
          async (params) => {
            // Reset captured request
            capturedRequest = null
            
            // Call search with the generated params
            await search(params)
            
            // Verify the API was called
            expect(post).toHaveBeenCalled()
            
            // Get the captured request data
            const callArgs = post.mock.calls[post.mock.calls.length - 1]
            const [url, sentData] = callArgs
            
            // Verify URL
            expect(url).toBe('/users/search')
            
            // Verify all defined parameters are passed through
            for (const [key, value] of Object.entries(params)) {
              if (value !== undefined) {
                expect(sentData[key]).toEqual(value)
              }
            }
            
            return true
          }
        ),
        { numRuns: 100 }
      )
    })

    it('should handle empty search parameters', async () => {
      await fc.assert(
        fc.asyncProperty(
          fc.constant({}),
          async (params) => {
            await search(params)
            
            expect(post).toHaveBeenCalledWith('/users/search', params)
            return true
          }
        ),
        { numRuns: 10 }
      )
    })

    it('should preserve parameter types correctly', async () => {
      await fc.assert(
        fc.asyncProperty(
          fc.record({
            ageMin: fc.integer({ min: 18, max: 50 }),
            ageMax: fc.integer({ min: 18, max: 50 }),
            education: fc.array(fc.integer({ min: 1, max: 7 }), { minLength: 1, maxLength: 3 }),
            pageIndex: fc.integer({ min: 1, max: 10 }),
            pageSize: fc.integer({ min: 10, max: 50 })
          }),
          async (params) => {
            await search(params)
            
            const callArgs = post.mock.calls[post.mock.calls.length - 1]
            const [, sentData] = callArgs
            
            // Verify numeric types are preserved
            expect(typeof sentData.ageMin).toBe('number')
            expect(typeof sentData.ageMax).toBe('number')
            expect(typeof sentData.pageIndex).toBe('number')
            expect(typeof sentData.pageSize).toBe('number')
            
            // Verify array type is preserved
            expect(Array.isArray(sentData.education)).toBe(true)
            
            return true
          }
        ),
        { numRuns: 100 }
      )
    })

    it('should ensure ageMin <= ageMax when both are provided', async () => {
      await fc.assert(
        fc.asyncProperty(
          fc.integer({ min: 18, max: 50 }).chain(min => 
            fc.record({
              ageMin: fc.constant(min),
              ageMax: fc.integer({ min: min, max: 50 })
            })
          ),
          async (params) => {
            await search(params)
            
            const callArgs = post.mock.calls[post.mock.calls.length - 1]
            const [, sentData] = callArgs
            
            // The API should receive the params as-is
            // Validation of ageMin <= ageMax is a business rule that should be enforced
            expect(sentData.ageMin).toBeLessThanOrEqual(sentData.ageMax)
            
            return true
          }
        ),
        { numRuns: 100 }
      )
    })
  })
})