package repository

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

	"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-cooperation/pkg/domain"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-cooperation/pkg/infrastructure/pg/models"
	"gitlab.fjmaimaimai.com/allied-creation/allied-creation-cooperation/pkg/infrastructure/pg/transform"
)

type OrderGoodRepository struct {
	transactionContext *pgTransaction.TransactionContext
}

func (repository *OrderGoodRepository) nextIdentify() (int64, error) {
	IdWorker, err := snowflake.NewIdWorker(1)
	if err != nil {
		return 0, err
	}
	id, err := IdWorker.NextId()
	return id, err
}
func (repository *OrderGoodRepository) Save(orderGood *domain.OrderGood) (*domain.OrderGood, error) {
	sqlBuildFields := []string{
		"order_good_id",
		"order_good_amount",
		"order_good_name",
		"order_good_price",
		"order_good_quantity",
		"dividends_order_number",
		"cooperation_contract_number",
		"order_good_expense",
		"order_good_dividends_status",
		"org_id",
		"company_id",
		"created_at",
		"deleted_at",
		"updated_at",
	}
	insertFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	insertPlaceHoldersSnippet := sqlbuilder.SqlPlaceHoldersSnippet(sqlBuildFields)
	returningFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	updateFields := sqlbuilder.RemoveSqlFields(sqlBuildFields, "orderGood_id")
	updateFieldsSnippet := sqlbuilder.SqlUpdateFieldsSnippet(updateFields)
	tx := repository.transactionContext.PgTx
	if orderGood.Identify() == nil {
		orderGoodId, err := repository.nextIdentify()
		if err != nil {
			return orderGood, err
		} else {
			orderGood.OrderGoodId = orderGoodId
		}
		if _, err := tx.QueryOne(
			pg.Scan(
				&orderGood.OrderGoodId,
				&orderGood.OrderGoodAmount,
				&orderGood.OrderGoodName,
				&orderGood.OrderGoodPrice,
				&orderGood.OrderGoodQuantity,
				&orderGood.DividendsOrderNumber,
				&orderGood.CooperationContractNumber,
				&orderGood.OrderGoodExpense,
				&orderGood.OrderGoodDividendsStatus,
				&orderGood.OrgId,
				&orderGood.CompanyId,
				&orderGood.CreatedAt,
				&orderGood.DeletedAt,
				&orderGood.UpdatedAt,
			),
			fmt.Sprintf("INSERT INTO order_goods (%s) VALUES (%s) RETURNING %s", insertFieldsSnippet, insertPlaceHoldersSnippet, returningFieldsSnippet),
			orderGood.OrderGoodId,
			orderGood.OrderGoodAmount,
			orderGood.OrderGoodName,
			orderGood.OrderGoodPrice,
			orderGood.OrderGoodQuantity,
			orderGood.DividendsOrderNumber,
			orderGood.CooperationContractNumber,
			orderGood.OrderGoodExpense,
			orderGood.OrderGoodDividendsStatus,
			orderGood.OrgId,
			orderGood.CompanyId,
			orderGood.CreatedAt,
			orderGood.DeletedAt,
			orderGood.UpdatedAt,
		); err != nil {
			return orderGood, err
		}
	} else {
		if _, err := tx.QueryOne(
			pg.Scan(
				&orderGood.OrderGoodId,
				&orderGood.OrderGoodAmount,
				&orderGood.OrderGoodName,
				&orderGood.OrderGoodPrice,
				&orderGood.OrderGoodQuantity,
				&orderGood.DividendsOrderNumber,
				&orderGood.CooperationContractNumber,
				&orderGood.OrderGoodExpense,
				&orderGood.OrderGoodDividendsStatus,
				&orderGood.OrgId,
				&orderGood.CompanyId,
				&orderGood.CreatedAt,
				&orderGood.DeletedAt,
				&orderGood.UpdatedAt,
			),
			fmt.Sprintf("UPDATE order_goods SET %s WHERE order_good_id=? RETURNING %s", updateFieldsSnippet, returningFieldsSnippet),
			orderGood.OrderGoodId,
			orderGood.OrderGoodAmount,
			orderGood.OrderGoodName,
			orderGood.OrderGoodPrice,
			orderGood.OrderGoodQuantity,
			orderGood.DividendsOrderNumber,
			orderGood.CooperationContractNumber,
			orderGood.OrderGoodExpense,
			orderGood.OrderGoodDividendsStatus,
			orderGood.OrgId,
			orderGood.CompanyId,
			orderGood.CreatedAt,
			orderGood.DeletedAt,
			orderGood.UpdatedAt,
			orderGood.Identify(),
		); err != nil {
			return orderGood, err
		}
	}
	return orderGood, nil
}

func (repository *OrderGoodRepository) Remove(orderGood *domain.OrderGood) (*domain.OrderGood, error) {
	tx := repository.transactionContext.PgTx
	orderGoodModel := new(models.OrderGood)
	orderGoodModel.OrderGoodId = orderGood.Identify().(int64)
	if _, err := tx.Model(orderGoodModel).WherePK().Delete(); err != nil {
		return orderGood, err
	}
	return orderGood, nil
}

func (repository *OrderGoodRepository) FindOne(queryOptions map[string]interface{}) (*domain.OrderGood, error) {
	tx := repository.transactionContext.PgTx
	orderGoodModel := new(models.OrderGood)
	query := sqlbuilder.BuildQuery(tx.Model(orderGoodModel), queryOptions)
	query.SetWhereByQueryOption("order_good.order_good_id = ?", "orderGoodId")
	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 orderGoodModel.OrderGoodId == 0 {
		return nil, nil
	} else {
		return transform.TransformToOrderGoodDomainModelFromPgModels(orderGoodModel)
	}
}

func (repository *OrderGoodRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.OrderGood, error) {
	tx := repository.transactionContext.PgTx
	var orderGoodModels []*models.OrderGood
	orderGoods := make([]*domain.OrderGood, 0)
	query := sqlbuilder.BuildQuery(tx.Model(&orderGoodModels), queryOptions)
	if cooperationContractNumber, ok := queryOptions["cooperationContractNumber"]; ok && cooperationContractNumber != "" {
		query.Where("cooperation_contract_number ilike ?", fmt.Sprintf("%%%s%%", cooperationContractNumber))
	}
	if orderOrReturnedOrderNum, ok := queryOptions["orderOrReturnedOrderNum"]; ok && orderOrReturnedOrderNum != "" {
		query.WhereGroup(func(q *orm.Query) (*orm.Query, error) {
			q.WhereOr("dividends_order_number ilike ?", fmt.Sprintf("%%%s%%", orderOrReturnedOrderNum))
			q.WhereOr("dividends_returned_order_number ilike ?", fmt.Sprintf("%%%s%%", orderOrReturnedOrderNum))
			return q, nil
		})
	}
	offsetLimitFlag := true
	if offsetLimit, ok := queryOptions["offsetLimit"]; ok {
		offsetLimitFlag = offsetLimit.(bool)
	}
	if offsetLimitFlag {
		query.SetOffsetAndLimit(20)
	}
	query.SetOrderDirect("order_good_id", "DESC")
	if count, err := query.SelectAndCount(); err != nil {
		return 0, orderGoods, err
	} else {
		for _, orderGoodModel := range orderGoodModels {
			if orderGood, err := transform.TransformToOrderGoodDomainModelFromPgModels(orderGoodModel); err != nil {
				return 0, orderGoods, err
			} else {
				orderGoods = append(orderGoods, orderGood)
			}
		}
		return int64(count), orderGoods, nil
	}
}

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