package com.aigeo.common.result;

import com.fasterxml.jackson.annotation.JsonInclude;
import lombok.Data;
import lombok.experimental.Accessors;

import java.time.LocalDateTime;

/**
 * 统一返回结果
 *
 * @author AIGEO Team
 * @since 1.0.0
 */
@Data
@Accessors(chain = true)
@JsonInclude(JsonInclude.Include.NON_NULL)
public class Result<T> {
    
    /**
     * 状态码
     */
    private Integer code;
    
    /**
     * 返回消息
     */
    private String message;
    
    /**
     * 返回数据
     */
    private T data;
    
    /**
     * 时间戳
     */
    private LocalDateTime timestamp;
    
    /**
     * 请求ID（用于追踪）
     */
    private String traceId;

    public Result() {
        this.timestamp = LocalDateTime.now();
    }

    public Result(Integer code, String message) {
        this();
        this.code = code;
        this.message = message;
    }

    public Result(Integer code, String message, T data) {
        this(code, message);
        this.data = data;
    }

    /**
     * 成功返回
     */
    public static <T> Result<T> success() {
        return new Result<>(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage());
    }

    public static <T> Result<T> success(T data) {
        return new Result<>(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMessage(), data);
    }

    public static <T> Result<T> success(String message, T data) {
        return new Result<>(ResultCode.SUCCESS.getCode(), message, data);
    }

    /**
     * 失败返回
     */
    public static <T> Result<T> error() {
        return new Result<>(ResultCode.INTERNAL_SERVER_ERROR.getCode(), ResultCode.INTERNAL_SERVER_ERROR.getMessage());
    }

    public static <T> Result<T> error(String message) {
        return new Result<>(ResultCode.INTERNAL_SERVER_ERROR.getCode(), message);
    }

    public static <T> Result<T> error(Integer code, String message) {
        return new Result<>(code, message);
    }

    public static <T> Result<T> error(ResultCode resultCode) {
        return new Result<>(resultCode.getCode(), resultCode.getMessage());
    }

    public static <T> Result<T> error(ResultCode resultCode, String message) {
        return new Result<>(resultCode.getCode(), message);
    }

    /**
     * 参数错误
     */
    public static <T> Result<T> badRequest(String message) {
        return new Result<>(ResultCode.BAD_REQUEST.getCode(), message);
    }

    /**
     * 未授权
     */
    public static <T> Result<T> unauthorized(String message) {
        return new Result<>(ResultCode.UNAUTHORIZED.getCode(), message);
    }

    /**
     * 禁止访问
     */
    public static <T> Result<T> forbidden(String message) {
        return new Result<>(ResultCode.FORBIDDEN.getCode(), message);
    }

    /**
     * 资源未找到
     */
    public static <T> Result<T> notFound(String message) {
        return new Result<>(ResultCode.NOT_FOUND.getCode(), message);
    }

    /**
     * 业务异常
     */
    public static <T> Result<T> business(String message) {
        return new Result<>(ResultCode.BUSINESS_ERROR.getCode(), message);
    }

    /**
     * 判断是否成功
     */
    public boolean isSuccess() {
        return ResultCode.SUCCESS.getCode().equals(this.code);
    }
}