package services

import (
	"time"

	"server/models"

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

// ListCustomers 获取客户列表（可选租户过滤、关键词搜索、状态筛选、分页）
func ListCustomers(tenantId, keyword, status string, page, pageSize int) (list []*models.Customer, total int64, err error) {
	o := orm.NewOrm()
	qs := o.QueryTable(new(models.Customer)).Filter("delete_time__isnull", true)
	if tenantId != "" {
		qs = qs.Filter("tenant_id", tenantId)
	}
	if keyword != "" {
		cond := orm.NewCondition()
		cond1 := cond.Or("customer_name__icontains", keyword).
			Or("contact_person__icontains", keyword).
			Or("contact_phone__icontains", keyword)
		qs = qs.SetCond(cond1)
	}
	if status != "" {
		qs = qs.Filter("status", status)
	}

	total, err = qs.Count()
	if err != nil {
		return
	}
	if page <= 0 {
		page = 1
	}
	if pageSize <= 0 {
		pageSize = 10
	}
	offset := (page - 1) * pageSize
	_, err = qs.OrderBy("-create_time").Limit(pageSize, offset).All(&list)
	return
}

// GetCustomer 通过ID获取客户
func GetCustomer(id string) (*models.Customer, error) {
	o := orm.NewOrm()
	m := models.Customer{Id: id}
	if err := o.Read(&m); err != nil {
		return nil, err
	}
	return &m, nil
}

// CreateCustomer 新增客户
func CreateCustomer(m *models.Customer) error {
	o := orm.NewOrm()
	_, err := o.Insert(m)
	return err
}

// UpdateCustomer 更新客户（全量更新）
func UpdateCustomer(m *models.Customer, cols ...string) error {
	o := orm.NewOrm()
	if len(cols) == 0 {
		_, err := o.Update(m)
		return err
	}
	_, err := o.Update(m, cols...)
	return err
}

// SoftDeleteCustomer 软删除客户
func SoftDeleteCustomer(id string) error {
	o := orm.NewOrm()
	now := time.Now()
	m := models.Customer{Id: id, DeleteTime: &now}
	_, err := o.Update(&m, "delete_time")
	return err
}

// 更新客户开票信息
func UpdateInvoice(id string, params orm.Params) error {
	o := orm.NewOrm()
	m := &models.Customer{Id: id}
	if _, err := o.QueryTable(m).Filter("id", id).Update(params); err != nil {
		return err
	}
	return nil
}