package backend

import (
	"context"
	"kpt-tmr-group/model"
	"kpt-tmr-group/pkg/logger/zaplog"
	"kpt-tmr-group/pkg/xerr"
	operationPb "kpt-tmr-group/proto/go/backend/operation"
	"net/http"
	"sort"
	"strings"
	"sync"
	"time"

	"go.uber.org/zap"
)

type SystemAllPermissionsList struct {
	PastureList []*model.SystemGroupPasturePermissions
	MenuList    []*model.SystemMenuPermissions
	MobileList  []*model.SystemMobilePermissions
}

func (s *StoreEntry) AllPermissionsListToRolePermissions(req *SystemAllPermissionsList) *operationPb.RolePermissionsList {
	res := &operationPb.RolePermissionsList{
		Code: http.StatusOK,
		Msg:  "ok",
		Data: &operationPb.RolePermissionsData{
			MobileList:  make([]uint32, 0),
			MenuList:    make([]uint32, 0),
			PastureList: make([]uint32, 0),
		},
	}
	wg := sync.WaitGroup{}
	wg.Add(3)
	go func() {
		defer wg.Done()
		for _, v := range req.MobileList {
			res.Data.MobileList = append(res.Data.MobileList, uint32(v.MobileId))
		}
	}()

	go func() {
		defer wg.Done()
		for _, v := range req.MenuList {
			res.Data.MenuList = append(res.Data.MenuList, uint32(v.MenuId))
		}
	}()

	go func() {
		defer wg.Done()
		for _, v := range req.PastureList {
			res.Data.PastureList = append(res.Data.PastureList, uint32(v.PastureId))
		}
	}()

	wg.Wait()
	return res
}

// SystemUserMenuPermissionsUnDuplicate 角色权限去重
func (s *SystemAllPermissionsList) SystemUserMenuPermissionsUnDuplicate() {
	newMenuList := make([]*model.SystemMenuPermissions, 0)
	seen := make(map[int64]bool)
	for _, menu := range s.MenuList {
		if _, ok := seen[menu.MenuId]; !ok {
			newMenuList = append(newMenuList, menu)
		}
	}
	s.MenuList = newMenuList
}

func (s *StoreEntry) SystemPermissionsFormatPb(pastureList []*model.GroupPasture, mobileList []*model.SystemMobile, menuList []*model.SystemMenu) *operationPb.SystemUserMenuPermissions {
	systemUserMenuPermissions := &operationPb.SystemUserMenuPermissions{
		Code: http.StatusOK,
		Msg:  "ok",
		Data: &operationPb.SystemUserMenuData{
			PastureList:     make([]*operationPb.AddPastureRequest, 0),
			MenuList:        make([]*operationPb.AddMenuRequest, 0),
			MobileList:      make([]*operationPb.AddMobileRequest, 0),
			MenuButtonsPath: make([]*operationPb.MenuButtonsPath, 0),
		},
	}

	wg := sync.WaitGroup{}
	wg.Add(3)

	go func() {
		for _, v := range pastureList {
			systemUserMenuPermissions.Data.PastureList = append(systemUserMenuPermissions.Data.PastureList,
				&operationPb.AddPastureRequest{
					Id:   int32(v.Id),
					Name: v.Name,
				},
			)
		}
		wg.Done()
	}()

	// TODO 后面优化成递归算法
	go func() {
		level := make(map[int32][]*operationPb.AddMenuRequest, 0)
		for _, menu := range menuList {
			if _, ok := level[menu.Level]; !ok {
				level[menu.Level] = make([]*operationPb.AddMenuRequest, 0)
			}
			level[menu.Level] = append(level[menu.Level], &operationPb.AddMenuRequest{
				Id:              int32(menu.Id),
				Name:            menu.Name,
				ParentId:        int32(menu.ParentId),
				MenuType:        menu.MenuType,
				Title:           menu.Title,
				Path:            menu.Path,
				IsShow:          menu.IsShow,
				Component:       menu.Component,
				Icon:            menu.Icon,
				Sort:            menu.Sort,
				Redirect:        menu.Redirect,
				CreatedAt:       int32(menu.CreatedAt),
				CreatedAtFormat: time.Unix(menu.CreatedAt, 0).Format(model.LayoutTime),
				Level:           menu.Level,
				Affix:           true,
				KeepAlive:       true,
				Children:        make([]*operationPb.AddMenuRequest, 0),
			})
			if menu.Level == model.Level3 {
				systemUserMenuPermissions.Data.MenuButtonsPath = append(systemUserMenuPermissions.Data.MenuButtonsPath, &operationPb.MenuButtonsPath{
					Path:   menu.Path,
					MenuId: int32(menu.Id),
				})
			}
		}

		level2IsShow := make([]int32, 0)
		for _, leve2Data := range level[model.Level2] {
			for _, leve3Data := range level[model.Level3] {
				if leve3Data.ParentId == leve2Data.Id && strings.Contains(leve3Data.Path, ":page") {
					level2IsShow = append(level2IsShow, leve2Data.Id)
				}

				if leve3Data.ParentId == leve2Data.Id {
					if leve2Data.Children == nil {
						leve2Data.Children = make([]*operationPb.AddMenuRequest, 0)
					}
					leve2Data.Children = append(leve2Data.Children, leve3Data)
				}
			}
		}

		sort.SliceStable(level[model.Level2], func(i, j int) bool {
			return level[model.Level2][i].Sort > level[model.Level2][j].Sort
		})
		for _, leve2Data := range level[model.Level2] {
			var info bool
			for _, v := range level2IsShow {
				if v == leve2Data.Id {
					info = true
				}
			}
			if !info {
				continue
			}
			for _, leve1Data := range level[model.Level1] {
				if leve2Data.ParentId == leve1Data.Id {
					if leve1Data.Children == nil {
						leve1Data.Children = make([]*operationPb.AddMenuRequest, 0)
					}
					leve1Data.Children = append(leve1Data.Children, leve2Data)
				}
			}
		}

		sort.SliceStable(level[model.Level1], func(i, j int) bool {
			return level[model.Level1][i].Sort > level[model.Level1][j].Sort
		})

		systemUserMenuPermissions.Data.MenuList = level[model.Level1]
		wg.Done()
	}()

	go func() {
		for _, v := range mobileList {
			systemUserMenuPermissions.Data.MobileList = append(systemUserMenuPermissions.Data.MobileList,
				&operationPb.AddMobileRequest{
					Id:   uint32(v.Id),
					Name: v.Name,
				},
			)
		}
		wg.Done()
	}()

	wg.Wait()
	return systemUserMenuPermissions
}

// GetSystemAllPermissionsList 获取用户相关权限
func (s *StoreEntry) GetSystemAllPermissionsList(ctx context.Context, roleId int64) *SystemAllPermissionsList {
	systemAllPermissionsList := &SystemAllPermissionsList{
		PastureList: make([]*model.SystemGroupPasturePermissions, 0),
		MenuList:    make([]*model.SystemMenuPermissions, 0),
		MobileList:  make([]*model.SystemMobilePermissions, 0),
	}

	wg := sync.WaitGroup{}
	wg.Add(3)
	go func() {

		pastureList := make([]*model.SystemGroupPasturePermissions, 0)
		if err := s.DB.Where("role_id = ? and is_show = ?", roleId, operationPb.IsShow_OK).Find(&pastureList).Error; err != nil {
			zaplog.Error("SystemPasturePermissions", zap.Any("Err", err))
		}
		systemAllPermissionsList.PastureList = pastureList
		wg.Done()
	}()

	go func() {
		menuList := make([]*model.SystemMenuPermissions, 0)
		if err := s.DB.Where("role_id = ? and is_show = ?", roleId, operationPb.IsShow_OK).Find(&menuList).Error; err != nil {
			zaplog.Error("SystemMenuPermissions", zap.Any("Err", err))
		}
		systemAllPermissionsList.MenuList = menuList
		wg.Done()
	}()

	// 获取供应商数据
	go func() {
		mobileList := make([]*model.SystemMobilePermissions, 0)
		if err := s.DB.Where("role_id = ? and is_show = ?", roleId, operationPb.IsShow_OK).Find(&mobileList).Error; err != nil {
			zaplog.Error("SystemMobilePermissions", zap.Any("Err", err))
		}
		systemAllPermissionsList.MobileList = mobileList
		wg.Done()
	}()
	wg.Wait()
	return systemAllPermissionsList
}

// GetPastureList 获取******
func (s *StoreEntry) GetPastureList(ctx context.Context, req []*model.SystemGroupPasturePermissions) ([]*model.GroupPasture, error) {
	ids := make([]int64, 0)
	for _, v := range req {
		ids = append(ids, v.PastureId)
	}
	groupPastureList := make([]*model.GroupPasture, 0)
	if len(ids) > 0 {
		if err := s.DB.Where("is_show = ?", operationPb.IsShow_OK).Find(&groupPastureList, ids).Error; err != nil {
			return nil, xerr.WithStack(err)
		}
	}
	return groupPastureList, nil
}

// GetMenuList 获取******
func (s *StoreEntry) GetMenuList(ctx context.Context, req []*model.SystemMenuPermissions) ([]*model.SystemMenu, error) {
	ids := make([]int64, 0)
	for _, v := range req {
		ids = append(ids, v.MenuId)
	}

	menuList := make([]*model.SystemMenu, 0)
	if len(ids) > 0 {
		if err := s.DB.Where("is_show = ?", operationPb.IsShow_OK).Find(&menuList, ids).Error; err != nil {
			return nil, xerr.WithStack(err)
		}
	}

	return menuList, nil
}

// GetMobileList 获取******
func (s *StoreEntry) GetMobileList(ctx context.Context, req []*model.SystemMobilePermissions) ([]*model.SystemMobile, error) {
	ids := make([]int64, 0)
	for _, v := range req {
		ids = append(ids, v.MobileId)
	}
	mobileList := make([]*model.SystemMobile, 0)
	if len(ids) > 0 {
		if err := s.DB.Where("is_show = ?", operationPb.IsShow_OK).Find(&mobileList, ids).Error; err != nil {
			return nil, xerr.WithStack(err)
		}
	}

	return mobileList, nil
}