package service

import (
	"git.sxidc.com/go-framework/baize/api"
	"git.sxidc.com/go-framework/baize/binding"
	"git.sxidc.com/go-framework/baize/domain"
	"git.sxidc.com/go-framework/baize/infrastructure"
	"git.sxidc.com/go-framework/baize/infrastructure/database"
	"git.sxidc.com/go-tools/utils/strutils"
	"git.sxidc.com/service-supports/fserr"
)

const (
	DatabaseExecutorOperations  = "operations"
	DatabaseExecutorDataService = "data_service"
)

func CommonEntityCreate(tableName string, databaseExecutorType string, callbacks EntityCRUDCallbacks) binding.ServiceFunc[string] {
	return func(c *api.Context, dto binding.DTO, objects []domain.Object, i *infrastructure.Infrastructure) (string, error) {
		e, ok := objects[0].(domain.Entity)
		if !ok {
			return "", fserr.New("需要传递领域对象应该为实体")
		}

		err := e.GenerateID()
		if err != nil {
			return "", err
		}

		if callbacks.Before != nil {
			err := callbacks.Before(e)
			if err != nil {
				return "", err
			}
		}

		err = database.InsertEntity(chooseDatabaseExecutor(databaseExecutorType, i), tableName, e)
		if err != nil {
			if callbacks.Error != nil {
				err := callbacks.Error(e, err)
				if err != nil {
					return "", err
				}
			}

			return "", err
		}

		if callbacks.Success != nil {
			err := callbacks.Success(e)
			if err != nil {
				return "", err
			}
		}

		return e.ID(), nil
	}
}

func CommonEntityDelete(tableName string, databaseExecutorType string, callbacks EntityCRUDCallbacks) binding.ServiceFunc[any] {
	return func(c *api.Context, dto binding.DTO, objects []domain.Object, i *infrastructure.Infrastructure) (any, error) {
		e, ok := objects[0].(domain.Entity)
		if !ok {
			return nil, fserr.New("需要传递领域对象应该为实体")
		}

		if strutils.IsStringEmpty(e.ID()) {
			return nil, fserr.New("领域实体ID为空")
		}

		if callbacks.Before != nil {
			err := callbacks.Before(e)
			if err != nil {
				return nil, err
			}
		}

		err := database.DeleteEntity(chooseDatabaseExecutor(databaseExecutorType, i), tableName, e)
		if err != nil {
			if callbacks.Error != nil {
				err := callbacks.Error(e, err)
				if err != nil {
					return nil, err
				}
			}

			return nil, err
		}

		if callbacks.Success != nil {
			err := callbacks.Success(e)
			if err != nil {
				return nil, err
			}
		}

		return nil, nil
	}
}

func CommonEntityUpdate() binding.ServiceFunc[any] {
	return func(c *api.Context, dto binding.DTO, objects []domain.Object, i *infrastructure.Infrastructure) (any, error) {

	}
}

func CommonEntityQuery() binding.ServiceFunc[binding.InfosData[any]] {
	return func(c *api.Context, dto binding.DTO, objects []domain.Object, i *infrastructure.Infrastructure) (binding.InfosData[any], error) {

	}
}

func CommonEntityQueryByID() binding.ServiceFunc[any] {
	return func(c *api.Context, dto binding.DTO, objects []domain.Object, i *infrastructure.Infrastructure) (any, error) {

	}
}

func chooseDatabaseExecutor(dataExecutorType string, i *infrastructure.Infrastructure) database.Executor {
	switch dataExecutorType {
	case DatabaseExecutorOperations:
		return i.DBOperations()
	case DatabaseExecutorDataService:
		return i.DataService()
	default:
		return i.DBOperations()
	}
}