import { AxiosInstance } from 'axios'
import { combineURLs, isAbsoluteURL } from '../../utils/build-full-path'
import { IPlugin } from '../../intf/IPlugin'
import { IRequestOptions } from '../../intf/IRequestOptions'

/** url 序列化, 支持: 格式校验、修复
 * @description 支持重复 '//' 修复.
 */
export const serializeUrl = (): IPlugin => {
    return {
        pluginName: 'serialize-url',
        handler: (axios: AxiosInstance) => {
            axios.interceptors.request.use((req: IRequestOptions) => {
                const { url, baseURL } = req
                let target: string | undefined
                // 填充 baseUrl
                if (baseURL && url && !isAbsoluteURL(url)) {
                    target = combineURLs(baseURL, url)
                } else {
                    target = url
                }
                // 去除重复 '/', 如: http://www.jiaoyihu.com//apis/user/get
                if (req['urlFormat'] !== false) {
                    target = target?.replace(/[://|/]{2,}/g, (sub) => {
                        return sub === '://' ? sub : '/'
                    })
                }
                return req
            })
        }
    }
}