package middleware

import (
	"net/http"

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

// CORS 跨域中间件
func CORS() gin.HandlerFunc {
	return func(c *gin.Context) {
		c.Writer.Header().Set("Access-Control-Allow-Origin", "*")
		c.Writer.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
		c.Writer.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")

		if c.Request.Method == "OPTIONS" {
			c.AbortWithStatus(http.StatusNoContent)
			return
		}

		c.Next()
	}
}

// Logger 日志中间件
func Logger() gin.HandlerFunc {
	return func(c *gin.Context) {
		c.Next()
	}
}

// Auth 认证中间件
func Auth() gin.HandlerFunc {
	return func(c *gin.Context) {
		token := c.GetHeader("Authorization")
		if token == "" {
			c.JSON(http.StatusUnauthorized, gin.H{
				"code": 401,
				"msg":  "unauthorized",
			})
			c.Abort()
			return
		}
		c.Next()
	}
}