package middleware

import (
	"bytes"
	"encoding/json"
	"io"
	"net/http"
	"ulink-admin/frame"
	"ulink-admin/utils"
)

const FAST_BODY_COLNUM = "fast_body_colnum"

// 请求处理
func Request() func(c *frame.Context) {
	return func(c *frame.Context) {
		if c.Request.Method == http.MethodPut || c.Request.Method == http.MethodPost {
			var bodyBytes []byte
			if c.Request.Body != nil {
				bodyBytes, _ = io.ReadAll(c.Request.Body)
			}
			var body map[string]interface{}
			json.Unmarshal(bodyBytes, &body)
			keys := make([]string, len(body))
			i := 0
			for k, _ := range body {
				keys[i] = utils.Camel2Case(k)
				i++
			}
			c.Set(FAST_BODY_COLNUM, keys)
			c.Request.Body = io.NopCloser(bytes.NewBuffer(bodyBytes))
		}
		// 处理请求
		c.Next()

	}
}