package handler

import (
	"net/http"

	"github.com/gin-gonic/gin"
)

// Response 统一响应结构
type Response struct {
	Code    int         `json:"code"`    // 0=成功，非0=失败
	Message string      `json:"message"` // 提示信息
	Data    interface{} `json:"data"`    // 业务数据
}

// Success 成功响应
func Success(c *gin.Context, data interface{}) {
	c.JSON(http.StatusOK, Response{Code: 0, Message: "success", Data: data})
}

// SuccessMsg 成功响应（仅消息，无数据）
func SuccessMsg(c *gin.Context, msg string) {
	c.JSON(http.StatusOK, Response{Code: 0, Message: msg, Data: nil})
}

// Fail 失败响应
func Fail(c *gin.Context, httpCode int, msg string) {
	c.JSON(httpCode, Response{Code: 1, Message: msg, Data: nil})
}

// FailBadRequest 400 错误
func FailBadRequest(c *gin.Context, msg string) {
	Fail(c, http.StatusBadRequest, msg)
}

// FailUnauthorized 401 未授权
func FailUnauthorized(c *gin.Context, msg string) {
	Fail(c, http.StatusUnauthorized, msg)
}

// FailForbidden 403 禁止访问
func FailForbidden(c *gin.Context, msg string) {
	Fail(c, http.StatusForbidden, msg)
}

// FailInternal 500 服务器内部错误
func FailInternal(c *gin.Context, msg string) {
	Fail(c, http.StatusInternalServerError, msg)
}