/************************************************************************************
 * FileName: HttpBase.ts
 * Description:
 *
 * Version: v1.0.0
 * Creator: Jacky(jackylvm@foxmail.com)
 * CreationTime: 2024-04-22 16:42:58
 * Copyright: 2021 - 2024
 * ==============================================================
 * History update record:
 *
 * ==============================================================
 *************************************************************************************/
import * as CCEnv from 'cc/env';
import IHttpProto from "db://assets/module_basic/network/IHttpProto";
import {
    BodiesType,
    HeadersType,
    HttpMethod,
    ParamsType,
    RequestCallback
} from "db://assets/module_basic/network/HttpProto";

export type ReqSuccessCallback = (response: HttpBase) => void;
export type ReqFailCallback = (errCode: number, response: HttpBase) => void;

export class HttpBase implements IHttpProto {
    protected _url: string = "";
    protected _cmd: string = "";
    protected _autoUp: boolean = true;

    protected _payload: Record<string, any> = undefined;

    protected _successCallback: ReqSuccessCallback = undefined;
    protected _failCallback: ReqFailCallback = undefined;

    // 原始数据
    public jsonData: Record<string, any> = undefined;

    constructor(url: string, cmd: string, successCb?: ReqSuccessCallback, failCb?: ReqFailCallback, autoUp?: boolean) {
        console.log("[HttpBase>constructor:38]>>", cmd);
        this._url = url;
        this._cmd = cmd;
        this._successCallback = successCb;
        this._failCallback = failCb;
        this._autoUp = autoUp ?? true;
    }

    public set successCallback(cb: ReqSuccessCallback) {
        this._successCallback = cb;
    }

    public set failCallback(cb: ReqFailCallback) {
        this._failCallback = cb;
    }

    public get url(): string {
        return this._url;
    }

    public get method(): HttpMethod {
        return HttpMethod.POST;
    }

    get headers(): HeadersType {
        // 所有的请求Content-Type都是application/x-www-form-urlencoded
        // 但是login提交的数据是表单数据,其他请求提交都是json转的字符串
        // 现在这里设置的application/json只是为了让body转换成json字符串
        // 实际提交给服务器的Content-Type是application/x-www-form-urlencoded
        return {"Content-Type": "application/json"};
    }

    get params(): ParamsType {
        if (CCEnv.MINIGAME && CCEnv.WECHAT) {
            return {};
        }
        return {"cmd": this._cmd};
    }

    get bodies(): BodiesType {
        // 父类里面会创建通用的数据,如果子类有更多的数据需要携带
        // 先调用父类的方法,获得通用数据,再添加子类自己的数据
        this._payload.data = this.fillBodies();
        return this._payload;
    }

    protected fillBodies(): Record<string, any> {
        return {};
    }

    get callback(): RequestCallback {
        return this.onResponse.bind(this);
    }

    private onResponse(err: Error | null, response: { type: XMLHttpRequestResponseType, data: any }): void {
        if (err) {
            console.error(err);
            return;
        }

        this.jsonData = JSON.parse(response.data);
        let errCode: number = this.jsonData.r ?? 0;
        if (errCode != 0) {
            console.log(`======服务器返回错误! cmd:[${this._cmd}](${errCode})`);
            this.descErrCode(errCode);
        }

        if (errCode == 0) {

            this.parsingData();

            if (this._successCallback) {
                this._successCallback(this);
            }
        } else {
            if (this._failCallback) {
                this._failCallback(errCode, this);
            }
        }
    }

    // 解析 jsonData 数据，同步本地数据
    protected parsingData() {
    }

    // 错误码描述
    protected descErrCode(errCode: number) {
    }
}