import { defineConfig } from 'vitest/config'
import react from '@vitejs/plugin-react'
import path from 'path'

// https://vite.dev/config/
export default defineConfig({
  logLevel: 'info',
  plugins: [react()],
  resolve: {
    alias: {
      '@': path.resolve(__dirname, './src'),
    },
  },
  build: {
    // Increase chunk size warning limit (mermaid is large)
    chunkSizeWarningLimit: 2000,
    rollupOptions: {
      output: {
        // Manual chunks to separate large dependencies
        manualChunks: {
          maplibre: ['maplibre-gl'],
        },
      },
    },
  },
  optimizeDeps: {
    include: ['maplibre-gl'],
    // Exclude mermaid from pre-bundling - it's dynamically imported
    exclude: ['mermaid'],
  },
  server: {
    port: 5173,
    proxy: {
      // PostgreSQL API proxy
      '/api/postgres': {
        target: 'http://localhost:3001',
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/api\/postgres/, ''),
      },
      // DuckLake API proxy
      '/ducklake': {
        target: 'http://localhost:8765',
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/ducklake/, ''),
      },
      // Generic API fallback
      '/api': {
        target: 'http://localhost:8000',
        changeOrigin: true,
      },
      // Oxigraph SPARQL endpoint proxy
      '/sparql': {
        target: 'http://127.0.0.1:7878',
        changeOrigin: true,
        rewrite: (path) => path.replace(/^\/sparql/, ''),
      },
    },
  },
  test: {
    globals: true,
    environment: 'jsdom',
    setupFiles: './tests/setup.ts',
    coverage: {
      provider: 'v8',
      reporter: ['text', 'json', 'html'],
      exclude: [
        'node_modules/',
        'tests/',
        '**/*.test.{ts,tsx}',
        '**/*.spec.{ts,tsx}',
      ],
    },
  },
});