/**
 * Jest 配置
 *
 * 仅对消息状态核心逻辑（store 幂等性 / 实时事件管道 / 未读计数原子性）做单测，
 * 不覆盖 RN / Expo UI。所有平台依赖（@/services/core、@/database、@/core/events、
 * @/stores/auth、@/services/message）在测试中通过 moduleNameMapper 映射到 mock。
 */
const { pathsToModuleNameMapper } = require('ts-jest');

const tsconfig = require('./tsconfig.json');
const tsconfigBase = require('expo/tsconfig.base.json');

// 合并 base + 项目 paths
const paths = {
  ...(tsconfigBase.compilerOptions.paths || {}),
  ...(tsconfig.compilerOptions.paths || {}),
};

module.exports = {
  preset: 'ts-jest',
  testEnvironment: 'node',
  roots: ['<rootDir>/src'],
  testMatch: ['**/__tests__/**/*.test.ts'],
  moduleNameMapper: {
    // 平台依赖统一映射到 mock（必须放在 @/* 通配之前，否则会被通配吞掉）
    '^@/services/core$': '<rootDir>/src/stores/message/__tests__/mocks/coreMock.ts',
    '^@/services/message$': '<rootDir>/src/stores/message/__tests__/mocks/messageServiceMock.ts',
    '^@/database$': '<rootDir>/src/stores/message/__tests__/mocks/databaseMock.ts',
    '^@/core/events/EventBus$': '<rootDir>/src/stores/message/__tests__/mocks/eventBusMock.ts',
    '^@/stores/auth/authStore$': '<rootDir>/src/stores/message/__tests__/mocks/authStoreMock.ts',
    '^@react-native-async-storage/async-storage$':
      '<rootDir>/src/stores/message/__tests__/mocks/asyncStorageMock.ts',
    // @/* 路径别名 → 真实 src（通配兜底，放最后）
    ...pathsToModuleNameMapper(paths, { prefix: '<rootDir>/' }),
  },
  transform: {
    '^.+\\.tsx?$': [
      'ts-jest',
      {
        tsconfig: '<rootDir>/src/stores/message/__tests__/tsconfig.json',
        isolatedModules: true,
      },
    ],
  },
  clearMocks: true,
};