import type { Config } from "jest";
import nextJest from "next/jest.js";

const createJestConfig = nextJest({
  // Provide the path to your Next.js app to load next.config.js and .env files in your test environment
  dir: "./",
});

// Add any custom config to be passed to Jest
const config: Config = {
  coverageProvider: "v8",
  testEnvironment: "jsdom",
  // Add more setup options before each test is run
  setupFilesAfterEnv: ["<rootDir>/jest.setup.ts"],
  // Ignore tests inside __mocks__ directory and E2E tests (Playwright)
  testPathIgnorePatterns: ["/node_modules/", "/__mocks__/", "/.next/", "/e2e/"],
  // Transform react-markdown and other ESM modules
  transformIgnorePatterns: [
    "node_modules/(?!(react-markdown|remark-.*|rehype-.*|unified|bail|is-plain-obj|trough|vfile|vfile-message|unist-.*|micromark|parse-entities|character-entities|mdast-.*|hast-.*|property-information|space-separated-tokens|comma-separated-tokens|web-namespaces|zwitch|longest-streak|ccount)/)",
  ],
  // Module name mapping to fix haste collision
  moduleNameMapper: {
    "^@/(.*)$": "<rootDir>/$1",
  },
  // Exclude problematic directories from haste
  modulePathIgnorePatterns: ["<rootDir>/.next/", "<rootDir>/node_modules/", "<rootDir>/e2e/"],
  // Clear mocks between tests
  clearMocks: true,
  // Reset modules between tests
  resetMocks: true,
  // Restore mocks between tests
  restoreMocks: true,
  // Max workers for better performance
  maxWorkers: "50%",
};

// createJestConfig is exported this way to ensure that next/jest can load the Next.js config which is async
export default createJestConfig(config);