package middleware

import (
	"server/modules/customer/app"
	"server/modules/customer/bdb"
	"server/modules/customer/values"
	"strings"

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

// 进行权限校验
func PowerMiddleWare() gin.HandlerFunc {
	return func(c *gin.Context) {
		path := c.Request.RequestURI
		if PassURL(path) {
			c.Next()
			return
		}
		a := app.NewApp(c)
		if !powerPass(a.User, path) {
			a.Code = values.CodePower
			a.Response()
			c.Abort()
			return
		}
		c.Next()
	}
}

func powerPass(u *values.User, path string) bool {
	if u == nil {
		return false
	}
	if u.Role == values.UserRoleAdmin {
		return true
	}
	// 第一步找到主页签
	p := 0
	for s, v := range values.PowerMap {
		if strings.Contains(path, s) {
			p = v
			break
		}
	}
	// 不在权限控制范围
	if p == 0 {
		return true
	}
	buttons, ok := bdb.GetPowerByRole(u.Role)[p]
	if !ok {
		return false
	}
	pbutton, ok2 := values.PowerButtonMap[p]
	// 该页签没有子按钮
	if !ok2 {
		return true
	}
	for i, v := range pbutton {
		if v == path {
			if i > len(pbutton)-1 {
				return true
			}
			return buttons[i] == 1
		}
	}
	return true
}