package models

import (
	"time"

	"github.com/beego/beego/v2/client/orm"
)

// Position 职位模型
type Position struct {
	Id          int       `orm:"auto" json:"id"`
	TenantId    int       `orm:"column(tenant_id);default(0)" json:"tenant_id"`
	Name        string    `orm:"size(100)" json:"name"`
	Code        string    `orm:"size(50);null" json:"code"`
	DepartmentId int      `orm:"column(department_id);null" json:"department_id"`
	Level       int       `orm:"default(0)" json:"level"`
	Description string    `orm:"type(text);null" json:"description"`
	SortOrder   int       `orm:"column(sort_order);default(0)" json:"sort_order"`
	Status      int8      `orm:"default(1)" json:"status"` // 1-启用，0-禁用
	CreateTime  time.Time `orm:"column(create_time);type(datetime);auto_now_add" json:"create_time"`
	UpdateTime  time.Time `orm:"column(update_time);type(datetime);auto_now" json:"update_time"`
	DeleteTime  *time.Time `orm:"column(delete_time);null;type(datetime)" json:"delete_time,omitempty"`
}

// TableName 设置表名
func (p *Position) TableName() string {
	return "yz_tenant_positions"
}

func init() {
	orm.RegisterModel(new(Position))
}

// GetTenantPositions 获取租户下的所有职位
func GetTenantPositions(tenantId int) ([]*Position, error) {
	o := orm.NewOrm()
	var positions []*Position
	_, err := o.QueryTable("yz_tenant_positions").
		Filter("tenant_id", tenantId).
		Filter("delete_time__isnull", true).
		OrderBy("sort_order", "create_time").
		All(&positions)
	return positions, err
}

// GetPositionsByDepartment 根据部门ID获取职位列表
func GetPositionsByDepartment(departmentId int) ([]*Position, error) {
	o := orm.NewOrm()
	var positions []*Position
	_, err := o.QueryTable("yz_tenant_positions").
		Filter("department_id", departmentId).
		Filter("delete_time__isnull", true).
		Filter("status", 1).
		OrderBy("sort_order", "create_time").
		All(&positions)
	return positions, err
}

// GetPositionById 根据ID获取职位信息
func GetPositionById(id int) (*Position, error) {
	o := orm.NewOrm()
	position := &Position{Id: id}
	err := o.Read(position)
	if err != nil {
		return nil, err
	}
	// 检查是否已删除
	if position.DeleteTime != nil {
		return nil, orm.ErrNoRows
	}
	return position, err
}

// AddPosition 添加职位
func AddPosition(position *Position) (int64, error) {
	o := orm.NewOrm()
	id, err := o.Insert(position)
	return id, err
}

// UpdatePosition 更新职位信息
func UpdatePosition(position *Position) error {
	o := orm.NewOrm()
	_, err := o.Update(position, "name", "code", "department_id", "level", "description", "sort_order", "status", "update_time")
	return err
}

// DeletePosition 软删除职位
func DeletePosition(id int) error {
	o := orm.NewOrm()
	position := &Position{Id: id}
	if err := o.Read(position); err != nil {
		return err
	}
	now := time.Now()
	position.DeleteTime = &now
	_, err := o.Update(position, "delete_time")
	return err
}