package repository

import (
	"fmt"
	"github.com/go-pg/pg/v10"

	"github.com/linmadan/egglib-go/persistent/pg/sqlbuilder"
	pgTransaction "github.com/linmadan/egglib-go/transaction/pg"
	"github.com/linmadan/egglib-go/utils/snowflake"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/domain"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/infrastructure/pg/models"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/infrastructure/pg/transform"
)

type OrgRepository struct {
	transactionContext *pgTransaction.TransactionContext
}

func (repository *OrgRepository) nextIdentify() (int64, error) {
	IdWorker, err := snowflake.NewIdWorker(1)
	if err != nil {
		return 0, err
	}
	id, err := IdWorker.NextId()
	return id, err
}
func (repository *OrgRepository) Save(org *domain.Org) (*domain.Org, error) {
	sqlBuildFields := []string{
		"org_id",
		"company_id",
		"created_at",
		"updated_at",
		"deleted_at",
		"org_code",
		"org_name",
		"ext",
		"org_status",
		"is_org",
		"parent_id",
		"parent_path",
	}
	insertFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlbuilder.RemoveSqlFields(sqlBuildFields, "org_id"))
	insertPlaceHoldersSnippet := sqlbuilder.SqlPlaceHoldersSnippet(sqlbuilder.RemoveSqlFields(sqlBuildFields, "org_id"))
	returningFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	updateFields := sqlbuilder.RemoveSqlFields(sqlBuildFields, "org_id")
	updateFieldsSnippet := sqlbuilder.SqlUpdateFieldsSnippet(updateFields)
	tx := repository.transactionContext.PgTx
	if org.Identify() == nil {
		//orgId, err := repository.nextIdentify()
		//if err != nil {
		//	return org, err
		//} else {
		//	org.OrgId = orgId
		//}
		if _, err := tx.QueryOne(
			pg.Scan(
				&org.OrgId,
				&org.CompanyId,
				&org.CreatedAt,
				&org.UpdatedAt,
				&org.DeletedAt,
				&org.OrgCode,
				&org.OrgName,
				&org.Ext,
				&org.OrgStatus,
				&org.IsOrg,
				&org.ParentId,
				&org.ParentPath,
			),
			fmt.Sprintf("INSERT INTO users.org (%s) VALUES (%s) RETURNING %s", insertFieldsSnippet, insertPlaceHoldersSnippet, returningFieldsSnippet),
			//org.OrgId,
			org.CompanyId,
			org.CreatedAt,
			org.UpdatedAt,
			org.DeletedAt,
			org.OrgCode,
			org.OrgName,
			org.Ext,
			&org.OrgStatus,
			org.IsOrg,
			org.ParentId,
			org.ParentPath,
		); err != nil {
			return org, err
		}
	} else {
		if _, err := tx.QueryOne(
			pg.Scan(
				&org.OrgId,
				&org.CompanyId,
				&org.CreatedAt,
				&org.UpdatedAt,
				&org.DeletedAt,
				&org.OrgCode,
				&org.OrgName,
				&org.Ext,
				&org.IsOrg,
				&org.ParentId,
				&org.ParentPath,
			),
			fmt.Sprintf("UPDATE users.org SET %s WHERE org_id=? RETURNING %s", updateFieldsSnippet, returningFieldsSnippet),
			org.CompanyId,
			org.CreatedAt,
			org.UpdatedAt,
			org.DeletedAt,
			org.OrgCode,
			org.OrgName,
			org.Ext,
			org.IsOrg,
			org.ParentId,
			org.ParentPath,
			org.Identify(),
		); err != nil {
			return org, err
		}
	}
	return org, nil
}
func (repository *OrgRepository) Remove(org *domain.Org) (*domain.Org, error) {
	tx := repository.transactionContext.PgTx
	orgModel := new(models.Org)
	orgModel.OrgId = org.Identify().(int64)
	if _, err := tx.Model(orgModel).WherePK().Delete(); err != nil {
		return org, err
	}
	return org, nil
}
func (repository *OrgRepository) FindOne(queryOptions map[string]interface{}) (*domain.Org, error) {
	tx := repository.transactionContext.PgTx
	orgModel := new(models.Org)
	query := sqlbuilder.BuildQuery(tx.Model(orgModel), queryOptions)
	query.SetWhereByQueryOption("company_id = ?", "companyId")
	query.SetWhereByQueryOption("org_id = ?", "orgId")
	query.SetWhereByQueryOption("org_name = ?", "orgName")
	query.SetWhereByQueryOption("org_code = ?", "orgCode")
	if err := query.First(); err != nil {
		if err.Error() == "pg: no rows in result set" {
			return nil, fmt.Errorf("没有此资源")
		} else {
			return nil, err
		}
	}
	if orgModel.OrgId == 0 {
		return nil, nil
	} else {
		return transform.TransformToOrgDomainModelFromPgModels(orgModel)
	}
}
func (repository *OrgRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.Org, error) {
	tx := repository.transactionContext.PgTx
	var orgModels []*models.Org
	orgs := make([]*domain.Org, 0)
	query := sqlbuilder.BuildQuery(tx.Model(&orgModels), queryOptions)
	query.SetOffsetAndLimit(20)
	query.SetOrderDirect("org_id", "DESC")
	if count, err := query.SelectAndCount(); err != nil {
		return 0, orgs, err
	} else {
		for _, orgModel := range orgModels {
			if org, err := transform.TransformToOrgDomainModelFromPgModels(orgModel); err != nil {
				return 0, orgs, err
			} else {
				orgs = append(orgs, org)
			}
		}
		return int64(count), orgs, nil
	}
}
func NewOrgRepository(transactionContext *pgTransaction.TransactionContext) (*OrgRepository, error) {
	if transactionContext == nil {
		return nil, fmt.Errorf("transactionContext参数不能为nil")
	} else {
		return &OrgRepository{
			transactionContext: transactionContext,
		}, nil
	}
}