import { buildParams, getCommonOptions, Omit } from 'miniprogram-network-utils';
import { UploaderResponse, UploadOption, wx } from './uploader';

/**
 * 微信请求参数 (不包含回调函数)
 */
export type UploadParams = Omit<wx.UploadFileOption, 'success' | 'fail' | 'complete'>;

/**
 * 构建请求参数
 * baseUrl和dataUrl不同时为空
 * @param data - 完整参数
 */
export function transformUploadSendDefault(data: UploadOption): UploadParams {
    return getCommonOptions<Partial<UploadParams>>(
        {
            url: buildParams(data.url || '', data.params, data.baseURL),
            formData: data.data,
            header: data.headers
        },
        data,
        ['filePath', 'name']) as UploadParams;
}

/**
 * 根据错误码处理数据(会尝试JSON.parse)
 * statusCode 2xx 操作成功仅返回data数据
 * 否则抛出错误(rejected)
 * @param res - 返回结果
 * @param options - 全部配置
 * @returns 反序列化对象
 */
export function transformUploadResponseOkData<T = any>(res: UploaderResponse, options: UploadOption): T {
    if (res.statusCode >= 200 && res.statusCode < 300) {
        if (typeof res.data === 'string') {
            try {
                return JSON.parse(res.data) as T;
            } catch {
                // empty
            }
        }
        return res.data as any as T;
    }

    throw res;
}