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

// Inside the funnelsgrove monorepo, test against shared package sources so
// changes there surface immediately. Standalone copies (funnels scaffolded
// from this template) resolve @funnelsgrove/* from node_modules instead.
const monorepoRuntimeSrc = path.resolve(__dirname, '../funnel-runtime/src/index.ts');

const monorepoAliases: Record<string, string> = fs.existsSync(monorepoRuntimeSrc)
  ? {
      '@funnelsgrove/runtime/config/env.config': path.resolve(
        __dirname,
        '../funnel-runtime/src/config/env.config.ts',
      ),
      '@funnelsgrove/runtime': monorepoRuntimeSrc,
      '@funnelsgrove/analytics': path.resolve(__dirname, '../funnel-analytics/src/index.ts'),
      '@funnelsgrove/payments': path.resolve(__dirname, '../funnel-payments/src/index.ts'),
    }
  : {};

export default defineConfig({
  test: {
    environment: 'node',
  },
  resolve: {
    dedupe: ['react', 'react-dom'],
    alias: {
      '@': path.resolve(__dirname, './src'),
      ...monorepoAliases,
    },
  },
});