import { defineConfig } from 'vitest/config';
import adapter from '@sveltejs/adapter-node';
import { sveltekit } from '@sveltejs/kit/vite';

// Sous-chemin de montage (YunoHost sert l'app sous https://domaine.tld/<path>).
// Injecté au build par le script d'install YNH (BASE_PATH=/veille-ia npm run build).
// Vide en dev local. Doit commencer par '/' et ne pas finir par '/'.
const envBasePath = process.env.BASE_PATH ?? '';
if (envBasePath !== '' && (!envBasePath.startsWith('/') || envBasePath.endsWith('/'))) {
	throw new Error(`BASE_PATH invalide : "${envBasePath}" (doit commencer par '/' sans '/' final)`);
}
const basePath = envBasePath as '' | `/${string}`;

export default defineConfig({
	plugins: [
		sveltekit({
			compilerOptions: {
				// Force runes mode for the project, except for libraries. Can be removed in svelte 6.
				runes: ({ filename }) =>
					filename.split(/[/\\]/).includes('node_modules') ? undefined : true
			},
			adapter: adapter(),
			paths: {
				base: basePath,
				// Obligatoire dès que paths.base est utilisé (évite les URLs relatives cassées).
				relative: false
			},
			csp: {
				mode: 'nonce',
				directives: {
					'default-src': ['self'],
					'script-src': ['self'],
					// Les transitions Svelte créent des <style> inline : unsafe-inline requis.
					'style-src': ['self', 'unsafe-inline'],
					'img-src': ['self', 'data:'],
					'font-src': ['self'],
					'connect-src': ['self'],
					'frame-ancestors': ['none'],
					'base-uri': ['self'],
					'form-action': ['self'],
					'object-src': ['none']
				}
			}
		})
	],
	test: {
		expect: { requireAssertions: true },
		projects: [
			{
				extends: './vite.config.ts',
				test: {
					name: 'server',
					environment: 'node',
					include: ['src/**/*.{test,spec}.{js,ts}'],
					exclude: ['src/**/*.svelte.{test,spec}.{js,ts}']
				}
			}
		]
	}
});