import { resolve } from 'node:path';
import { defineConfig } from 'vitest/config';

export default defineConfig({
	test: {
		// Test environment configuration
		environment: 'node',
		globals: true,
		clearMocks: true,
		restoreMocks: true,

		// Test file patterns (keeping existing + adding new auth tests)
		include: [
			'tests/**/*.test.js',
			'src/test/**/*.test.{ts,js}',
			'src/test/**/*.spec.{ts,js}',
		],
		exclude: ['node_modules/**', 'build/**', 'dist/**', 'coverage/**'],

		// Setup files (keeping existing + adding new setup)
		setupFiles: ['./tests/setupOverlayFs.js', './src/test/setup.ts'],

		// Coverage configuration for auth system
		coverage: {
			provider: 'v8',
			reporter: ['text', 'html', 'json'],
			reportsDirectory: 'coverage',
			exclude: [
				'node_modules/',
				'dist/',
				'coverage/',
				'src/test/',
				'tests/',
				'**/*.d.ts',
				'**/*.config.{ts,js}',
				'src/pages/**/*', // Exclude Astro pages (integration tested)
			],
			thresholds: {
				global: {
					branches: 75,
					functions: 75,
					lines: 75,
					statements: 75,
				},
			},
		},

		// Test timeout and reporting
		testTimeout: 10000,
		reporter: ['verbose'],

		// Mock configuration
		mockReset: true,

		// Disable file watching in CI
		watch: false,

		// Pool options for parallel execution
		pool: 'forks',
		poolOptions: {
			forks: {
				singleFork: false,
				minForks: 1,
				maxForks: 4,
			},
		},
	},

	// Path resolution (keeping existing + adding src paths)
	resolve: {
		alias: {
			'~': resolve(__dirname, './app'),
			'~/src': resolve(__dirname, './src'),
			'~server/': resolve(__dirname, './server/'),
		},
	},

	// ESBuild configuration for TypeScript
	esbuild: {
		target: 'node18',
	},
});