import { IPlugin } from '../../intf/IPlugin'
import { AxiosInstance } from 'axios'

/** 启用本地动态代理 */
export const dynamicProxy = (proxyPath?: string): IPlugin => {
    return {
        pluginName: 'dynamic-proxy',
        handler: (axios: AxiosInstance, plugins?: Array<string>) => {
            const { command } = process.env
            if (command !== 'serve') return
            if (plugins && plugins.find((pluginName: string) => pluginName === 'env')) {
                const { form, target } = axios.defaults.headers.common
                if (!form) throw new Error(`⚠️ headers中, 缺少 'referer' 配置, 动态代理启动失败!`)
                if (!target) throw new Error(`⚠️ headers中, 缺少 'target' 配置, 动态代理启动失败!`)
                if (form.includes(location.host)) return
                axios.defaults.baseURL = proxyPath ?? '/proxy'
            } else {
                console.warn('注意: 由于缺少 envs 配置, 动态代理能力未生效!')
            }
        }
    }
}