// Package response provides the unified API envelope {code,message,data}.
package response

import (
	"net/http"

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

// Body is the standard JSON response shape for all HTTP APIs.
type Body struct {
	Code    int         `json:"code"`
	Message string      `json:"message"`
	Data    interface{} `json:"data,omitempty"`
}

// OK writes a success response with optional data.
func OK(c *gin.Context, data interface{}) {
	c.JSON(http.StatusOK, Body{Code: 0, Message: "success", Data: data})
}

// Fail writes a business error with HTTP status and app code.
func Fail(c *gin.Context, httpStatus int, code int, message string) {
	c.JSON(httpStatus, Body{Code: code, Message: message})
}