package domainService

import (
	"fmt"
	pgTransaction "github.com/linmadan/egglib-go/transaction/pg"
	"gitlab.fjmaimaimai.com/allied-creation/character-library-metadata-bastion/pkg/domain"
	"gitlab.fjmaimaimai.com/allied-creation/character-library-metadata-bastion/pkg/infrastructure/dao"
)

type DeleteFileService struct {
	transactionContext *pgTransaction.TransactionContext
}

func NewDeleteFileService(transactionContext *pgTransaction.TransactionContext) (*DeleteFileService, error) {
	if transactionContext == nil {
		return nil, fmt.Errorf("transactionContext参数不能为nil")
	} else {
		return &DeleteFileService{
			transactionContext: transactionContext,
		}, nil
	}
}

func (ptr *DeleteFileService) Delete(ctx *domain.Context, files ...*domain.File) error {
	for _, file := range files {
		if err := ptr.delete(file); err != nil {
			return err
		}
	}
	return nil
}

func (ptr *DeleteFileService) delete(file *domain.File) error {
	// delete file
	if err := dao.FileDelete(ptr.transactionContext, file.FileId, domain.FileType(file.FileType)); err != nil {
		return err
	}
	// delete table
	if file.FileInfo.TableId > 0 {
		if err := dao.TableDelete(ptr.transactionContext, file.FileInfo.TableId, domain.ExcelTable); err != nil {
			return err
		}
	}
	// delete log
	if err := dao.LogDirectDelete(ptr.transactionContext, file.FileId, domain.VerifiedStepLog); err != nil {
		return err
	}
	return nil
}