package role

import (
	"SciencesServer/app/api/admin/controller"
	"SciencesServer/app/api/admin/model"
	model2 "SciencesServer/app/common/model"
	"SciencesServer/app/service"
	"SciencesServer/utils"
	"errors"
	"time"
)

type Instance struct{ *controller.Platform }

type InstanceHandle func(session *service.Session) *Instance

type (
	// InstanceInfo 角色信息
	InstanceInfo struct {
		*model2.SysRole
		StatusTitle string `json:"status_title"`
	}
	// InstanceBasicInfo 角色基本信息
	InstanceBasicInfo struct {
		ID   uint64 `json:"id"`
		Name string `json:"name"`
	}
)

// List 列表信息
func (c *Instance) List(name string, status, page, pageSize int) (*controller.ReturnPages, error) {
	mSysRole := model.NewSysRole()

	where := []*model2.ModelWhereOrder{
		&model2.ModelWhereOrder{
			Where: model2.NewWhere("tenant_id", c.TenantID),
			Order: model2.NewOrder("sort", model2.OrderModeToDesc),
		},
		&model2.ModelWhereOrder{
			Order: model2.NewOrder("id", model2.OrderModeToDesc),
		},
	}
	if name != "" {
		where = append(where, &model2.ModelWhereOrder{
			Where: model2.NewWhere("tenant_id", c.TenantID),
		})
	}
	if status > 0 {
		where = append(where, &model2.ModelWhereOrder{
			Where: model2.NewWhere("status", status),
		})
	}
	var count int64

	out := make([]*model2.SysRole, 0)

	if err := model2.Pages(mSysRole.SysRole, &out, page, pageSize, &count, where...); err != nil {
		return nil, err
	}
	list := make([]*InstanceInfo, 0)

	for _, v := range out {
		list = append(list, &InstanceInfo{SysRole: v, StatusTitle: v.StatusTitle()})
	}
	return &controller.ReturnPages{Data: list, Count: count}, nil

}

// Select 筛选信息
func (c *Instance) Select() ([]*InstanceBasicInfo, error) {
	mSysRole := model.NewSysRole()

	where := []*model2.ModelWhereOrder{
		&model2.ModelWhereOrder{
			Where: model2.NewWhere("tenant_id", c.TenantID),
			Order: model2.NewOrder("sort", model2.OrderModeToDesc),
		},
		&model2.ModelWhereOrder{
			Where: model2.NewWhere("status", model2.SysRoleStatusForNormal),
			Order: model2.NewOrder("id", model2.OrderModeToDesc),
		},
	}
	out := make([]*InstanceBasicInfo, 0)

	if err := model2.Scan(mSysRole.SysRole, &out, where...); err != nil {
		return nil, err
	}
	return out, nil
}

// Data 数据操作
func (c *Instance) Data(id uint64, name, remark string, sort int) error {
	mSysRole := model.NewSysRole()

	if id <= 0 {
		mSysRole.TenantID = c.TenantID
		mSysRole.Name = name
		mSysRole.Remark = remark
		mSysRole.Sort = sort
		mSysRole.Status = model2.SysRoleStatusForNormal

		if err := model2.Create(mSysRole.SysRole); err != nil {
			return err
		}
		return nil
	}
	mSysRole.ID = id

	if err := model2.Updates(mSysRole.SysRole, map[string]interface{}{
		"name": name, "remark": remark, "sort": sort,
	}); err != nil {
		return err
	}
	return nil
}

// Status 状态操作
func (c *Instance) Status(id uint64, status int) error {
	mSysRole := model.NewSysRole()
	mSysRole.ID = id

	isExist, err := model2.FirstWhere(mSysRole.SysRole)

	if err != nil {
		return err
	} else if !isExist {
		return errors.New("角色不存在")
	}
	if c.TenantID > 0 && c.TenantID != mSysRole.TenantID {
		return errors.New("不可操作其他租户角色")
	}
	if err = model2.Updates(mSysRole.SysRole, map[string]interface{}{
		"status": status, "updated_at": time.Now(),
	}); err != nil {
		return err
	}
	return nil
}

// Delete 删除操作
func (c *Instance) Delete(id uint64) error {
	mSysRole := model.NewSysRole()
	mSysRole.ID = id

	isExist, err := model2.FirstWhere(mSysRole.SysRole)

	if err != nil {
		return err
	} else if !isExist {
		return errors.New("角色不存在")
	}
	if c.TenantID > 0 && c.TenantID != mSysRole.TenantID {
		return errors.New("不可删除其他租户角色")
	}
	if err = model2.Delete(mSysRole.SysRole); err != nil {
		return err
	}
	go utils.TryCatch(func() {
		//permission := service.NewPermission([]string{utils.UintToString(id)})(c.TenantKey, "")
		//// 删除角色权限
		//if _, err = permission.RemoveRolePolicy(); err != nil {
		//	logger.ErrorF("删除租户【%s】下角色【%d】权限信息错误：%v", c.TenantKey, id, err)
		//	return
		//}
	})
	return nil
}

func NewInstance() InstanceHandle {
	return func(session *service.Session) *Instance {
		return &Instance{Platform: &controller.Platform{Session: session}}
	}
}