package service

import (
	"time"

	"github.com/rovina/zsp-backend/internal/model"
	"github.com/rovina/zsp-backend/internal/repository"
	"gorm.io/gorm"
)

type DeliveryService interface {
	// 我要提货
	ListApply(page, pageSize int, orderNumber, blNumber, status string) ([]model.DeliveryApply, int64, error)
	GetApplyByID(id uint) (*model.DeliveryApply, error)
	CreateApply(e *model.DeliveryApply) error
	UpdateApply(e *model.DeliveryApply) error
	DeleteApply(id uint) error

	// 出库单
	ListOutbound(page, pageSize int, outboundNumber, blNumber, status string) ([]model.DeliveryOutbound, int64, error)
	GetOutboundByID(id uint) (*model.DeliveryOutbound, error)
	CreateOutbound(e *model.DeliveryOutbound) error
	UpdateOutbound(e *model.DeliveryOutbound) error
	DeleteOutbound(id uint) error

	// 仓库
	ListWarehouses() ([]model.Warehouse, error)
	GetWarehouseByID(id uint) (*model.Warehouse, error)
	CreateWarehouse(e *model.Warehouse) error
	UpdateWarehouse(e *model.Warehouse) error
	DeleteWarehouse(id uint) error

	// 入库
	ListInbound(page, pageSize int, warehouse, commodity string) ([]model.InventoryInbound, int64, error)
	GetInboundByID(id uint) (*model.InventoryInbound, error)
	CreateInbound(e *model.InventoryInbound) error
	UpdateInbound(e *model.InventoryInbound) error
	DeleteInbound(id uint) error

	// 货权转移
	ListOwnership(page, pageSize int, transferNumber, blNumber, status string) ([]model.OwnershipTransfer, int64, error)
	GetOwnershipByID(id uint) (*model.OwnershipTransfer, error)
	CreateOwnership(e *model.OwnershipTransfer) error
	DeleteOwnership(id uint) error
	CreateOwnershipFiles(files []model.OwnershipTransferFile) error

	// DB for complex queries (InventorySummary)
	DB() *gorm.DB
}

type deliveryService struct {
	repo *repository.DeliveryRepository
}

func NewDeliveryService(repo *repository.DeliveryRepository) DeliveryService {
	return &deliveryService{repo: repo}
}

func (s *deliveryService) DB() *gorm.DB { return s.repo.DB() }

func (s *deliveryService) ListApply(page, pageSize int, orderNumber, blNumber, status string) ([]model.DeliveryApply, int64, error) {
	return s.repo.ListDeliveryApply(page, pageSize, orderNumber, blNumber, status)
}
func (s *deliveryService) GetApplyByID(id uint) (*model.DeliveryApply, error) {
	return s.repo.GetDeliveryApplyByID(id)
}
func (s *deliveryService) CreateApply(e *model.DeliveryApply) error {
	e.CreateTime = time.Now()
	e.UpdateTime = time.Now()
	return s.repo.CreateDeliveryApply(e)
}
func (s *deliveryService) UpdateApply(e *model.DeliveryApply) error {
	e.UpdateTime = time.Now()
	return s.repo.UpdateDeliveryApply(e)
}
func (s *deliveryService) DeleteApply(id uint) error {
	return s.repo.DeleteDeliveryApply(id)
}

func (s *deliveryService) ListOutbound(page, pageSize int, outboundNumber, blNumber, status string) ([]model.DeliveryOutbound, int64, error) {
	return s.repo.ListDeliveryOutbound(page, pageSize, outboundNumber, blNumber, status)
}
func (s *deliveryService) GetOutboundByID(id uint) (*model.DeliveryOutbound, error) {
	return s.repo.GetDeliveryOutboundByID(id)
}
func (s *deliveryService) CreateOutbound(e *model.DeliveryOutbound) error {
	e.CreateTime = time.Now()
	e.UpdateTime = time.Now()
	return s.repo.CreateDeliveryOutbound(e)
}
func (s *deliveryService) UpdateOutbound(e *model.DeliveryOutbound) error {
	e.UpdateTime = time.Now()
	return s.repo.UpdateDeliveryOutbound(e)
}
func (s *deliveryService) DeleteOutbound(id uint) error {
	return s.repo.DeleteDeliveryOutbound(id)
}

func (s *deliveryService) ListWarehouses() ([]model.Warehouse, error) {
	return s.repo.ListWarehouses()
}
func (s *deliveryService) GetWarehouseByID(id uint) (*model.Warehouse, error) {
	return s.repo.GetWarehouseByID(id)
}
func (s *deliveryService) CreateWarehouse(e *model.Warehouse) error {
	e.CreateTime = time.Now()
	e.UpdateTime = time.Now()
	return s.repo.CreateWarehouse(e)
}
func (s *deliveryService) UpdateWarehouse(e *model.Warehouse) error {
	e.UpdateTime = time.Now()
	return s.repo.UpdateWarehouse(e)
}
func (s *deliveryService) DeleteWarehouse(id uint) error {
	return s.repo.DeleteWarehouse(id)
}

func (s *deliveryService) ListInbound(page, pageSize int, warehouse, commodity string) ([]model.InventoryInbound, int64, error) {
	return s.repo.ListInventoryInbound(page, pageSize, warehouse, commodity)
}
func (s *deliveryService) GetInboundByID(id uint) (*model.InventoryInbound, error) {
	return s.repo.GetInventoryInboundByID(id)
}
func (s *deliveryService) CreateInbound(e *model.InventoryInbound) error {
	e.CreateTime = time.Now()
	e.UpdateTime = time.Now()
	return s.repo.CreateInventoryInbound(e)
}
func (s *deliveryService) UpdateInbound(e *model.InventoryInbound) error {
	e.UpdateTime = time.Now()
	return s.repo.UpdateInventoryInbound(e)
}
func (s *deliveryService) DeleteInbound(id uint) error {
	return s.repo.DeleteInventoryInbound(id)
}

func (s *deliveryService) ListOwnership(page, pageSize int, transferNumber, blNumber, status string) ([]model.OwnershipTransfer, int64, error) {
	return s.repo.ListOwnershipTransfer(page, pageSize, transferNumber, blNumber, status)
}
func (s *deliveryService) GetOwnershipByID(id uint) (*model.OwnershipTransfer, error) {
	return s.repo.GetOwnershipTransferByID(id)
}
func (s *deliveryService) CreateOwnership(e *model.OwnershipTransfer) error {
	e.CreateTime = time.Now()
	e.UpdateTime = time.Now()
	return s.repo.CreateOwnershipTransfer(e)
}
func (s *deliveryService) DeleteOwnership(id uint) error {
	return s.repo.DeleteOwnershipTransfer(id)
}
func (s *deliveryService) CreateOwnershipFiles(files []model.OwnershipTransferFile) error {
	return s.repo.CreateOwnershipTransferFiles(files)
}