package infrastructure

import (
	FlowDefinitionModule "approveflow/app/provider/flow_definition"
	"context"
	"github.com/Superdanda/hade/app/provider/database_connect"
	"github.com/Superdanda/hade/framework"
	"github.com/Superdanda/hade/framework/contract"
	"github.com/Superdanda/hade/framework/provider/repository"
	"gorm.io/gorm"
)

type FlowRepositoryImpl struct {
	container framework.Container
	db        *gorm.DB
	contract.OrmRepository[FlowDefinitionModule.ApprovalFlow, int64]
	FlowDefinitionModule.FlowRepository
}

func (u *FlowRepositoryImpl) GetGenericRepository() contract.GenericRepository[FlowDefinitionModule.ApprovalFlow, int64] {
	repositoryService := u.container.MustMake(contract.RepositoryKey).(contract.RepositoryService)
	return repositoryService.GetGenericRepositoryByKey(FlowDefinitionModule.FlowRepositoryKey).(contract.GenericRepository[FlowDefinitionModule.ApprovalFlow, int64])
}

func NewOrmFlowRepositoryImplAndRegister(container framework.Container) {
	// 获取必要的服务对象
	connectService := container.MustMake(database_connect.DatabaseConnectKey).(database_connect.Service)
	infrastructureService := container.MustMake(contract.InfrastructureKey).(contract.InfrastructureService)
	repositoryService := container.MustMake(contract.RepositoryKey).(contract.RepositoryService)

	connect := connectService.DefaultDatabaseConnect()
	FlowRepositoryOrmService := &FlowRepositoryImpl{container: container, db: connect}
	infrastructureService.RegisterOrmRepository(FlowDefinitionModule.FlowRepositoryKey, FlowRepositoryOrmService)

	// 注册通用仓储对象
	repository.RegisterRepository[FlowDefinitionModule.ApprovalFlow, int64](repositoryService, FlowDefinitionModule.FlowRepositoryKey, FlowRepositoryOrmService)
}

func (u *FlowRepositoryImpl) SaveToDB(entity *FlowDefinitionModule.ApprovalFlow) error {
	// 先保存 ApprovalFlow 本身
	if entity.ID != 0 {
		// 使用FullSaveAssociations 方法来确保模型的整体状态，包括其所有关联都反映在了数据库中，从在应用中保持数据的完整性和一致性
		return u.db.Session(&gorm.Session{FullSaveAssociations: true}).Updates(entity).Error
	}
	return u.db.Save(entity).Error
}

func (u *FlowRepositoryImpl) FindByIDFromDB(id int64) (*FlowDefinitionModule.ApprovalFlow, error) {
	entity := &FlowDefinitionModule.ApprovalFlow{}
	err := u.db.Preload("Steps").Preload("Steps.Rules").Preload("Steps.DynamicConfig").Preload("Steps.PathConfigs").First(entity, id).Error
	return entity, err
}

func (u *FlowRepositoryImpl) FindByIDsFromDB(ids []int64) ([]*FlowDefinitionModule.ApprovalFlow, error) {
	var entities []*FlowDefinitionModule.ApprovalFlow
	err := u.db.Where("id IN ?", ids).Preload("Steps").Preload("Steps.Rules").Preload("Steps.DynamicConfig").Preload("Steps.PathConfigs").Find(&entities).Error
	return entities, err
}

func (u *FlowRepositoryImpl) GetPrimaryKey(entity *FlowDefinitionModule.ApprovalFlow) int64 {
	return entity.ID
}

func (u *FlowRepositoryImpl) GetBaseField() string {
	return FlowDefinitionModule.FlowRepositoryKey
}

func (u *FlowRepositoryImpl) GetFieldQueryFunc(fieldName string) (func(value string) ([]*FlowDefinitionModule.ApprovalFlow, error), bool) {
	switch fieldName {
	// 根据您的实际情况添加字段查询函数
	default:
		return nil, false
	}
}

func (u *FlowRepositoryImpl) GetFieldInQueryFunc(fieldName string) (func(values []string) ([]*FlowDefinitionModule.ApprovalFlow, error), bool) {
	switch fieldName {
	// 根据您的实际情况添加字段批量查询函数
	default:
		return nil, false
	}
}

func (u *FlowRepositoryImpl) GetFieldValueFunc(fieldName string) (func(entity *FlowDefinitionModule.ApprovalFlow) string, bool) {
	switch fieldName {
	// 根据您的实际情况添加获取字段值的函数
	default:
		return nil, false
	}
}

// SaveFlow 保存审批流程模板
func (u *FlowRepositoryImpl) SaveFlow(ctx context.Context, flow *FlowDefinitionModule.ApprovalFlow) error {
	return u.GetGenericRepository().Save(ctx, flow)
}

// GetFlowByID 根据流程 ID 获取审批流程模板
func (u *FlowRepositoryImpl) GetFlowByID(ctx context.Context, id int64) (*FlowDefinitionModule.ApprovalFlow, error) {
	return u.GetGenericRepository().FindByID(ctx, id)
}

func (u *FlowRepositoryImpl) ListFlows(ctx context.Context, pageNum, pageSize int, flow *FlowDefinitionModule.ApprovalFlow) ([]*FlowDefinitionModule.ApprovalFlow, int64, error) {
	return ListFlows[FlowDefinitionModule.ApprovalFlow](u.db, pageNum, pageSize, flow)
}