import { defineConfig, loadEnv } from 'vite'
import uni from '@dcloudio/vite-plugin-uni'

function loggedProxy(options) {
	return {
		...options,
		configure(proxy) {
			proxy.on('proxyReq', (proxyRequest, request) => {
				proxyRequest.removeHeader('origin')
				proxyRequest.removeHeader('referer')
				console.info('[Domestic PDA H5 proxy]', `${request.method} ${request.url}`, '->', `${options.target}${proxyRequest.path}`)
			})
			proxy.on('proxyRes', (response, request) => {
				console.info('[Domestic PDA H5 proxy response]', `${request.method} ${request.url}`, response.statusCode)
			})
			proxy.on('error', (error, request) => {
				console.error('[Domestic PDA H5 proxy error]', `${request.method} ${request.url}`, error.message)
			})
		}
	}
}

export default defineConfig(({ mode }) => {
	const projectRoot = process.env.UNI_INPUT_DIR || process.cwd()
	const env = loadEnv(mode, projectRoot, '')
	const proxyTarget = env.API_PROXY_TARGET || 'http://127.0.0.1:9000'

	return {
		plugins: [uni()],
		server: {
			proxy: {
				'/gateway-api': loggedProxy({
					target: proxyTarget,
					changeOrigin: true,
					rewrite: (path) => path.replace(/^\/gateway-api/, '/api')
				})
			}
		}
	}
})