package http_proxy_middleware

import (
	"github.com/e421083458/go_gateway/dao"
	"github.com/e421083458/go_gateway/middleware"
	"github.com/gin-gonic/gin"
	"github.com/pkg/errors"
	"strings"
)

//匹配接入方式 基于请求信息
func HTTPHeaderTransferMiddleware() gin.HandlerFunc {
	return func(c *gin.Context) {
		serverInterface, ok := c.Get("service")
		if !ok {
			middleware.ResponseError(c, 2001, errors.New("service not found"))
			c.Abort()
			return
		}
		serviceDetail := serverInterface.(*dao.ServiceDetail)
		for _,item:=range strings.Split(serviceDetail.HTTPRule.HeaderTransfor,","){
			items:=strings.Split(item," ")
			if len(items)!=3{
				continue
			}
			if items[0]=="add" || items[0]=="edit"{
				c.Request.Header.Set(items[1],items[2])
			}
			if items[0]=="del"{
				c.Request.Header.Del(items[1])
			}
		}
		c.Next()
	}
}