/**
 * Used to parse the .env.development proxy configuration
 */
import type { ProxyOptions } from 'vite'

type ProxyItem = [string, string]

type ProxyList = ProxyItem[]

type ProxyTargetList = Record<string, ProxyOptions>

const httpsRE = /^https:\/\//

/**
 * Generate proxy
 * @param list
 */
export function createProxy(list: ProxyList = []) {
    const ret: ProxyTargetList = {}
    for (const [prefix, target] of list) {
        const isHttps = httpsRE.test(target)

        // https://github.com/http-party/node-http-proxy#options
        ret[prefix] = {
            target,
            changeOrigin: true,
            ws: true,
            rewrite: (path) => path.replace(new RegExp(`^${prefix}`), ''),
            // https is require secure=false
            ...(isHttps ? { secure: false } : {}),
        }
    }
    return ret
}
