package com.simon.springbootrabbitmq.config;

import com.simon.springbootrabbitmq.ApiErrorCode;
import lombok.Data;
import lombok.experimental.Accessors;

import java.io.Serializable;
import java.time.LocalDateTime;
import java.util.Optional;

/**
 * @author xxx
 */
@Data
@Accessors(chain = true)
public class ApiResult<T> implements Serializable {

    /**
     * serialVersionUID
     */
    private static final long serialVersionUID = 1L;

    /**
     * 业务错误码
     */
    private long code;
    /**
     * 结果集
     */
    private T data;
    /**
     * 描述
     */
    private String msg;

    /**
     * 响应时间
     * 觉得格式不好看，自己处理一下
     */
    private String responseTime = LocalDateTime.now().toString();

    public ApiResult() {
        // to do nothing
    }

    public ApiResult(ApiErrorCode errorCode) {
        errorCode = Optional.ofNullable(errorCode).orElse(ApiErrorCode.FAILED);
        this.code = errorCode.getCode();
        this.msg = errorCode.getMsg();
    }

    public static <T> ApiResult<T> ok(T data) {
        ApiErrorCode aec = ApiErrorCode.SUCCESS;
        if (data instanceof Boolean && Boolean.FALSE.equals(data)) {
            aec = ApiErrorCode.FAILED;
        }
        return restResult(data, aec);
    }

    public static <T> ApiResult<T> failed(String msg) {
        return restResult(null, ApiErrorCode.FAILED.getCode(), msg);
    }

    public static <T> ApiResult<T> failed(ApiErrorCode errorCode) {
        return restResult(null, errorCode);
    }

    public static <T> ApiResult<T> restResult(T data, ApiErrorCode errorCode) {
        return restResult(data, errorCode.getCode(), errorCode.getMsg());
    }

    private static <T> ApiResult<T> restResult(T data, long code, String msg) {
        ApiResult<T> apiResult = new ApiResult<>();
        apiResult.setCode(code);
        apiResult.setData(data);
        apiResult.setMsg(msg);
        return apiResult;
    }
}