package middleware

import (
	"github.com/gin-gonic/gin"
	"pure/model"
	"pure/model/response"
	"pure/service"
	"strings"
)

func ParamsMiddleware() gin.HandlerFunc {
	return func(c *gin.Context) {
		var err error
		defer func() {
			if err != nil {
				c.Abort()
			} else {
				c.Next()
			}
		}()
		type params struct {
			Version string `json:"version"`
		}
		var p params
		if err = c.ShouldBindHeader(&p); err != nil {
			response.FailWithMessage("缺少必要参数", c)
			return
		}
		var platform string
		tmp := strings.ToUpper(c.Request.UserAgent())
		if strings.Contains(tmp, "IPHONE") || strings.Contains(tmp, "IOS") { //
			platform = "2"
		} else {
			platform = "1"
		}
		c.Set("platform", platform)
		if p.Version != "" {
			//校验版本号可用性
			var version model.VersionV
			version, err = service.GetVersion(platform, p.Version)
			if err != nil {
				response.FailWithMessage("版本号不可取", c)
				return
			} else {
				c.Set("version", version.Version)
				c.Set("version_status", version.Status)
			}
		}
	}
}