package common

import (
	"net/http"

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

type Response struct {
	Code    int         `json:"code"`
	Message string      `json:"message"`
	Data    interface{} `json:"data,omitempty"`
}

// Success 成功响应
func Success(c *gin.Context, data interface{}) {
	c.JSON(http.StatusOK, Response{
		Code:    200,
		Message: "success",
		Data:    data,
	})
}

// SuccessWithMessage 成功响应（自定义消息）
func SuccessWithMessage(c *gin.Context, message string, data interface{}) {
	c.JSON(http.StatusOK, Response{
		Code:    200,
		Message: message,
		Data:    data,
	})
}

// Error 错误响应
func Error(c *gin.Context, code int, message string) {
	c.JSON(http.StatusOK, Response{
		Code:    code,
		Message: message,
	})
}

// ErrorWithData 错误响应（带数据）
func ErrorWithData(c *gin.Context, code int, message string, data interface{}) {
	c.JSON(http.StatusOK, Response{
		Code:    code,
		Message: message,
		Data:    data,
	})
}

// 常见错误码
const (
	CodeSuccess          = 200
	CodeInvalidParams    = 400
	CodeUnauthorized     = 401
	CodeForbidden        = 403
	CodeNotFound         = 404
	CodeInternalError    = 500
	CodeServerError      = 500 // 服务器错误（别名）
	CodeBindXHSFailed    = 1001
	CodeCopyNotAvailable = 1002
	CodeAlreadyClaimed   = 1003
)

// ResponseData 带分页的响应数据结构
type ResponseData struct {
	Code     int         `json:"code"`
	Message  string      `json:"message"`
	Data     interface{} `json:"data,omitempty"`
	Total    int64       `json:"total,omitempty"`
	Page     int         `json:"page,omitempty"`
	PageSize int         `json:"page_size,omitempty"`
}

// ErrorResponse 返回错误响应对象（不直接发送）
func ErrorResponse(message string) Response {
	return Response{
		Code:    CodeInternalError,
		Message: message,
	}
}

// SuccessResponse 返回成功响应对象（不直接发送）
func SuccessResponse(data interface{}, message string) Response {
	return Response{
		Code:    CodeSuccess,
		Message: message,
		Data:    data,
	}
}

// SuccessResponseWithPage 返回带分页的成功响应对象（不直接发送）
func SuccessResponseWithPage(data interface{}, total int64, page, pageSize int, message string) ResponseData {
	return ResponseData{
		Code:     CodeSuccess,
		Message:  message,
		Data:     data,
		Total:    total,
		Page:     page,
		PageSize: pageSize,
	}
}