import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
import { TanStackRouterVite } from '@tanstack/router-plugin/vite'

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [
    TanStackRouterVite({ routesDirectory: './src/routes', generatedRouteTree: './src/routeTree.gen.ts' }),
    react(),
  ],
  server: {
    proxy: {
      '/api/v1': {
        target: 'http://127.0.0.1:18888',
        changeOrigin: true,
        configure: (proxy) => {
          proxy.on('proxyReq', (req) => {
            req.setHeader('Remote-User', 'bigbes')
          })
        },
      },
      '/healthz': {
        target: 'http://127.0.0.1:18888',
        changeOrigin: true,
        configure: (proxy) => {
          proxy.on('proxyReq', (req) => {
            req.setHeader('Remote-User', 'bigbes')
          })
        },
      },
      '/readyz': {
        target: 'http://127.0.0.1:18888',
        changeOrigin: true,
        configure: (proxy) => {
          proxy.on('proxyReq', (req) => {
            req.setHeader('Remote-User', 'bigbes')
          })
        },
      },
      '/metrics': {
        target: 'http://127.0.0.1:18888',
        changeOrigin: true,
        configure: (proxy) => {
          proxy.on('proxyReq', (req) => {
            req.setHeader('Remote-User', 'bigbes')
          })
        },
      },
    },
  },
  build: {
    // DEVIATION: output goes directly into the Go embed directory so no copy step is needed in CI
    outDir: '../internal/server/web/dist',
    // emptyOutDir: false preserves the committed .gitkeep and placeholder
    // index.html so `go build` works on a fresh clone. Vite's hashed asset
    // filenames prevent stale chunk accumulation; use `just web-clean` for a
    // full reset when needed.
    emptyOutDir: false,
  },
})