package com.fdkankan.fusion.common;

import com.alibaba.fastjson.JSONObject;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.Serializable;
import java.util.Calendar;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class ResultData<T> implements Serializable {
    /**
     * 状态码
     */
    private int code;
    /**
     * 响应信息
     */
    private String message;
    /**
     * 后端返回结果
     */
    private T data;
    /**
     * 后端返回结果
     */
    private Boolean success;
    /**
     * 响应时间戳
     */
    private long timestamp = Calendar.getInstance().getTimeInMillis();

    public static ResultData ok() {
        return ok(null);
    }

    public static ResultData ok(Object data) {
        return ok(ResultCode.SUCCESS.msg, data);
    }

    public static ResultData ok(String msg, Object data) {
        return base(ResultCode.SUCCESS.code, msg, data, true);
    }

    public static ResultData ok(int page, int pageSize, int total, Object data) {
        return ok(new PageInfo(page, pageSize, total, data));
    }

    public static ResultData error( String msg) {
        return error(ResultCode.ERROR.code, msg, null);
    }
    public static ResultData error(int code, String msg) {
        return error(code, msg, null);
    }

    public static ResultData error(int code, String msg, Object data) {
        return base(code, msg, data, false);
    }

    public static ResultData error(ResultCode errorCode, Object data) {
        return base(errorCode.code, errorCode.msg, data, false);
    }

    public static ResultData error(ResultCode errorCode) {
        return error(errorCode.code, errorCode.msg);
    }
    public static String errorString(ResultCode errorCode) {
        return JSONObject.toJSONString(error(errorCode.code, errorCode.msg));
    }

    private static ResultData base(int code, String msg, Object data, Boolean success) {
        ResultData rd = new ResultData();
        rd.setCode(code);
        rd.setMessage(msg);
        rd.setData(data);
        rd.setSuccess(success);
        return rd;
    }
}