import { defineConfig } from 'vitest/config';
import { playwright } from '@vitest/browser-playwright';
import { sveltekit } from '@sveltejs/kit/vite';
import tailwindcss from '@tailwindcss/vite';

// Use system chromium if PLAYWRIGHT_CHROMIUM_PATH is set (for CI with nixpkgs)
const chromiumPath = process.env.PLAYWRIGHT_CHROMIUM_PATH;
// Skip browser tests in CI (set SKIP_BROWSER_TESTS=1)
const skipBrowserTests = process.env.SKIP_BROWSER_TESTS === '1';

export default defineConfig({
	plugins: [tailwindcss(), sveltekit()],
	ssr: {
		// Externalize native libsql modules - they can't be bundled
		external: ['libsql', '@libsql/linux-x64-gnu', '@libsql/linux-x64-musl']
	},
	test: {
		expect: { requireAssertions: true },
		projects: [
			// Only include browser project if not skipping
			...(skipBrowserTests
				? []
				: [
						{
							extends: './vite.config.ts',
							test: {
								name: 'client',
								browser: {
									enabled: true,
									provider: playwright({
										launchOptions: chromiumPath
											? {
													executablePath: chromiumPath,
													args: ['--no-sandbox', '--disable-setuid-sandbox']
												}
											: {}
									}),
									instances: [{ browser: 'chromium' as const, headless: true }]
								},
								include: ['src/**/*.svelte.{test,spec}.{js,ts}'],
								exclude: ['src/lib/server/**']
							}
						}
					]),
			{
				extends: './vite.config.ts',
				test: {
					name: 'server',
					environment: 'node',
					include: ['src/**/*.{test,spec}.{js,ts}'],
					exclude: ['src/**/*.svelte.{test,spec}.{js,ts}']
				}
			}
		]
	}
});