package svc

import (
	"applet/app/md"
	"applet/app/utils"
	"applet/app/utils/cache"
	db "code.fnuoos.com/zhimeng/model.git/src"
	"code.fnuoos.com/zhimeng/model.git/src/implement"
	"code.fnuoos.com/zhimeng/model.git/src/model"
	"encoding/json"
	"errors"
	"github.com/gin-gonic/gin"
	"regexp"
	"strings"
	"time"
)

func CheckUserRole(c *gin.Context, cacheKey, uri string, admId int) (isHasPermission bool, err error) {
	uri = utils.UriFilterExcludeQueryString(uri) //去除uri中?后的query参数
	isHasPermission = false
	var rolePermission []string
	var rolePermissionString string
	rolePermissionString, _ = cache.GetString(cacheKey)

	//TODO::判断是否在白名单中
	if utils.InArr(uri, md.WhiteUri) {
		isHasPermission = true
		return
	}

	if rolePermissionString != "" {
		//if false {
		if err = json.Unmarshal([]byte(rolePermissionString), &rolePermission); err != nil {
			return
		}
	} else {
		adminDb := implement.NewAdminDb(db.DBs[GetMasterId(c)])
		list, _, err1 := adminDb.GetAdminRolePermission(admId)
		if err1 != nil {
			return isHasPermission, err1
		}
		for _, v := range list {
			rolePermission = append(rolePermission, v.Permission.Action)
		}
		marshal, err1 := json.Marshal(rolePermission)
		if err1 != nil {
			return isHasPermission, err1
		}
		rolePermissionString = string(marshal)
		_, err = cache.SetEx(cacheKey, rolePermissionString, md.AdminRolePermissionCacheTime)
	}

	if utils.InArr(uri, rolePermission) {
		isHasPermission = true
	} else {
		//正则匹配占位符情况
		compileRegex := regexp.MustCompile("[0-9]+")
		matchArr := compileRegex.FindAllString(uri, -1)
		if len(matchArr) > 0 {
			uri = strings.Replace(uri, matchArr[len(matchArr)-1], ":id", 1)
			if utils.InArr(uri, rolePermission) {
				isHasPermission = true
			}
		}
	}
	return
}

func DeleteRole(c *gin.Context, roleId int) (err error) {
	session := db.Db.NewSession()
	defer session.Close()
	session.Begin()

	//1、删除 `role`
	roleDb := implement.NewRoleDb(db.DBs[GetMasterId(c)], roleId)
	_, err = roleDb.RoleDeleteBySession(session, roleId)
	if err != nil {
		_ = session.Rollback()
		return
	}

	//2、删除 `role_permission_group`
	rolePermissionGroupDb := implement.NewRolePermissionGroupDb(db.DBs[GetMasterId(c)])
	_, err = rolePermissionGroupDb.RolePermissionGroupDeleteForRoleBySession(session, roleId)
	if err != nil {
		_ = session.Rollback()
		return
	}

	//3、删除 `admin_role`
	adminRoleDb := implement.NewAdminRoleDb(db.DBs[GetMasterId(c)])
	_, err = adminRoleDb.AdminRoleDeleteForRoleBySession(session, roleId)
	if err != nil {
		_ = session.Rollback()
		return
	}

	return session.Commit()
}

func RoleBindPermissionGroup(c *gin.Context, req md.RoleBindPermissionGroupReq) (err error) {
	session := db.Db.NewSession()
	defer session.Close()
	session.Begin()
	//1、查询 `role`
	roleDb := implement.NewRoleDb(db.DBs[GetMasterId(c)], req.RoleId)
	role, err := roleDb.GetRole()
	if err != nil {
		return
	}
	if role == nil {
		return errors.New("未查询到相应记录")
	}

	//1、删除 `role_permission_group`
	rolePermissionGroupDb := implement.NewMediumRolePermissionGroupDb(db.DBs[GetMasterId(c)])
	_, err = rolePermissionGroupDb.MediumRolePermissionGroupDeleteForRoleBySession(session, req.RoleId)
	if err != nil {
		_ = session.Rollback()
		return
	}

	//2、新增 `role_permission_group``
	var mm []*model.MediumRolePermissionGroup
	now := time.Now()
	for _, v := range req.PermissionIds {
		mm = append(mm, &model.MediumRolePermissionGroup{
			RoleId:   role.Id,
			GroupId:  v,
			CreateAt: now.Format("2006-01-02 15:04:05"),
			UpdateAt: now.Format("2006-01-02 15:04:05"),
		})
	}
	_, err = rolePermissionGroupDb.BatchAddMediumRolePermissionGroupBySession(session, mm)
	if err != nil {
		_ = session.Rollback()
		return
	}

	return session.Commit()
}

func BindAdminRole(c *gin.Context, req md.BindAdminRoleReq) (err error) {
	session := db.Db.NewSession()
	defer session.Close()
	session.Begin()
	//1、查询 `role`
	adminDb := implement.NewMediumDb(db.DBs[GetMasterId(c)])
	role, err := adminDb.GetMedium(req.Id)
	if err != nil {
		return
	}
	if role == nil {
		return errors.New("未查询到相应记录")
	}

	//1、删除 `admin_role`
	adminRoleDb := implement.NewMediumWithRoleDb(db.DBs[GetMasterId(c)])
	_, err = adminRoleDb.MediumWithRoleDeleteBySession(session, req.Id)
	if err != nil {
		_ = session.Rollback()
		return
	}

	//2、新增 `删除 `admin_role``
	var mm []*model.MediumWithRole
	now := time.Now()
	for _, v := range req.RoleIds {
		mm = append(mm, &model.MediumWithRole{
			MediumId: req.Id,
			RoleId:   v,
			State:    1,
			CreateAt: now.Format("2006-01-02 15:04:05"),
			UpdateAt: now.Format("2006-01-02 15:04:05"),
		})
	}
	_, err = adminRoleDb.BatchAddMediumWithRoleBySession(session, mm)
	if err != nil {
		_ = session.Rollback()
		return
	}

	return session.Commit()
}