package services

import (
    "time"

    "server/models"

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

// ListSuppliers 获取供应商列表（可选租户过滤、关键词搜索、状态筛选、分页）
func ListSuppliers(tenantId, keyword, status string, page, pageSize int) (list []*models.Supplier, total int64, err error) {
    o := orm.NewOrm()
    qs := o.QueryTable(new(models.Supplier)).Filter("delete_time__isnull", true)
    if tenantId != "" {
        qs = qs.Filter("tenant_id", tenantId)
    }
    if keyword != "" {
        cond := orm.NewCondition()
        cond1 := cond.Or("supplier_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
}

// GetSupplier 通过ID获取供应商
func GetSupplier(id string) (*models.Supplier, error) {
    o := orm.NewOrm()
    m := models.Supplier{Id: id}
    if err := o.Read(&m); err != nil {
        return nil, err
    }
    return &m, nil
}

// CreateSupplier 新增供应商
func CreateSupplier(m *models.Supplier) error {
    o := orm.NewOrm()
    _, err := o.Insert(m)
    return err
}

// UpdateSupplier 更新供应商（全量更新）
func UpdateSupplier(m *models.Supplier, cols ...string) error {
    o := orm.NewOrm()
    if len(cols) == 0 {
        _, err := o.Update(m)
        return err
    }
    _, err := o.Update(m, cols...)
    return err
}

// SoftDeleteSupplier 软删除供应商
func SoftDeleteSupplier(id string) error {
    o := orm.NewOrm()
    now := time.Now()
    m := models.Supplier{Id: id, DeleteTime: &now}
    _, err := o.Update(&m, "delete_time")
    return err
}