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-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 CreditAccountRepository struct {
	transactionContext *pgTransaction.TransactionContext
}

func (repository *CreditAccountRepository) nextIdentify() (int64, error) {
	IdWorker, err := snowflake.NewIdWorker(1)
	if err != nil {
		return 0, err
	}
	id, err := IdWorker.NextId()
	return id, err
}

func (repository *CreditAccountRepository) Save(creditAccount *domain.CreditAccount) (*domain.CreditAccount, error) {
	sqlBuildFields := []string{
		"credit_account_id",
		"actually_paid_amount",
		"credit_account_order_num",
		"payment_status",
		"payment_time",
		"settlement_amount",
		"settlement_time",
		"cooperation_contract_number",
		"participator",
		"participate_type",
		"account_detail",
		"payment_document_attachment",
		"org",
		"company",
		"operator",
		"operate_time",
		"created_at",
		"deleted_at",
		"updated_at",
		"remarks",
	}
	insertFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	insertPlaceHoldersSnippet := sqlbuilder.SqlPlaceHoldersSnippet(sqlBuildFields)
	returningFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	updateFields := sqlbuilder.RemoveSqlFields(sqlBuildFields, "creditAccount_id")
	updateFieldsSnippet := sqlbuilder.SqlUpdateFieldsSnippet(updateFields)
	tx := repository.transactionContext.PgTx
	if creditAccount.Identify() == nil {
		creditAccountId, err := repository.nextIdentify()
		if err != nil {
			return creditAccount, err
		} else {
			creditAccount.CreditAccountId = creditAccountId
		}
		if _, err := tx.QueryOne(
			pg.Scan(
				&creditAccount.CreditAccountId,
				&creditAccount.ActuallyPaidAmount,
				&creditAccount.CreditAccountOrderNum,
				&creditAccount.PaymentStatus,
				&creditAccount.PaymentTime,
				&creditAccount.SettlementAmount,
				&creditAccount.SettlementTime,
				&creditAccount.CooperationContractNumber,
				&creditAccount.Participator,
				&creditAccount.ParticipateType,
				&creditAccount.AccountDetail,
				&creditAccount.PaymentDocumentAttachment,
				&creditAccount.Org,
				&creditAccount.Company,
				&creditAccount.Operator,
				&creditAccount.OperateTime,
				&creditAccount.CreatedAt,
				&creditAccount.DeletedAt,
				&creditAccount.UpdatedAt,
				&creditAccount.Remarks,
			),
			fmt.Sprintf("INSERT INTO credit_accounts (%s) VALUES (%s) RETURNING %s", insertFieldsSnippet, insertPlaceHoldersSnippet, returningFieldsSnippet),
			creditAccount.CreditAccountId,
			creditAccount.ActuallyPaidAmount,
			creditAccount.CreditAccountOrderNum,
			creditAccount.PaymentStatus,
			creditAccount.PaymentTime,
			creditAccount.SettlementAmount,
			creditAccount.SettlementTime,
			creditAccount.CooperationContractNumber,
			creditAccount.Participator,
			creditAccount.ParticipateType,
			creditAccount.AccountDetail,
			creditAccount.PaymentDocumentAttachment,
			creditAccount.Org,
			creditAccount.Company,
			creditAccount.Operator,
			creditAccount.OperateTime,
			creditAccount.CreatedAt,
			nil,
			creditAccount.UpdatedAt,
			creditAccount.Remarks,
		); err != nil {
			return creditAccount, err
		}
	} else {
		if _, err := tx.QueryOne(
			pg.Scan(
				&creditAccount.CreditAccountId,
				&creditAccount.ActuallyPaidAmount,
				&creditAccount.CreditAccountOrderNum,
				&creditAccount.PaymentStatus,
				&creditAccount.PaymentTime,
				&creditAccount.SettlementAmount,
				&creditAccount.SettlementTime,
				&creditAccount.CooperationContractNumber,
				&creditAccount.Participator,
				&creditAccount.ParticipateType,
				&creditAccount.AccountDetail,
				&creditAccount.PaymentDocumentAttachment,
				&creditAccount.Org,
				&creditAccount.Company,
				&creditAccount.Operator,
				&creditAccount.OperateTime,
				&creditAccount.CreatedAt,
				&creditAccount.DeletedAt,
				&creditAccount.UpdatedAt,
				&creditAccount.Remarks,
			),
			fmt.Sprintf("UPDATE credit_accounts SET %s WHERE credit_account_id=? RETURNING %s", updateFieldsSnippet, returningFieldsSnippet),
			creditAccount.CreditAccountId,
			creditAccount.ActuallyPaidAmount,
			creditAccount.CreditAccountOrderNum,
			creditAccount.PaymentStatus,
			creditAccount.PaymentTime,
			creditAccount.SettlementAmount,
			creditAccount.SettlementTime,
			creditAccount.CooperationContractNumber,
			creditAccount.Participator,
			creditAccount.ParticipateType,
			creditAccount.AccountDetail,
			creditAccount.PaymentDocumentAttachment,
			creditAccount.Org,
			creditAccount.Company,
			creditAccount.Operator,
			creditAccount.OperateTime,
			creditAccount.CreatedAt,
			nil,
			creditAccount.UpdatedAt,
			creditAccount.Remarks,
			creditAccount.Identify(),
		); err != nil {
			return creditAccount, err
		}
	}
	return creditAccount, nil
}

func (repository *CreditAccountRepository) Remove(creditAccount *domain.CreditAccount) (*domain.CreditAccount, error) {
	tx := repository.transactionContext.PgTx
	creditAccountModel := new(models.CreditAccount)
	creditAccountModel.CreditAccountId = creditAccount.Identify().(int64)
	if _, err := tx.Model(creditAccountModel).WherePK().Delete(); err != nil {
		return creditAccount, err
	}
	return creditAccount, nil
}

func (repository *CreditAccountRepository) FindOne(queryOptions map[string]interface{}) (*domain.CreditAccount, error) {
	tx := repository.transactionContext.PgTx
	creditAccountModel := new(models.CreditAccount)
	query := sqlbuilder.BuildQuery(tx.Model(creditAccountModel), queryOptions)
	query.SetWhereByQueryOption("credit_account.credit_account_id = ?", "creditAccountId")
	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 creditAccountModel.CreditAccountId == 0 {
		return nil, nil
	} else {
		return transform.TransformToCreditAccountDomainModelFromPgModels(creditAccountModel)
	}
}

func (repository *CreditAccountRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.CreditAccount, error) {
	tx := repository.transactionContext.PgTx
	var creditAccountModels []*models.CreditAccount
	creditAccounts := make([]*domain.CreditAccount, 0)
	query := sqlbuilder.BuildQuery(tx.Model(&creditAccountModels), queryOptions)
	if creditAccountOrderNum, ok := queryOptions["creditAccountOrderNum"]; ok && creditAccountOrderNum != "" {
		query.Where("credit_account_order_num ilike ?", fmt.Sprintf("%%%s%%", creditAccountOrderNum))
	}
	if participatorName, ok := queryOptions["participatorName"]; ok && participatorName != "" {
		query.Where(`(credit_account.participator->>'userName')::text LIKE ?`, fmt.Sprintf("%%%s%%", participatorName))
	}
	if paymentStatus, ok := queryOptions["paymentStatus"]; ok && paymentStatus.(int32) != 0 {
		query.Where("payment_status = ？", paymentStatus)
	}
	offsetLimitFlag := true
	if offsetLimit, ok := queryOptions["offsetLimit"]; ok {
		offsetLimitFlag = offsetLimit.(bool)
	}
	if offsetLimitFlag {
		query.SetOffsetAndLimit(20)
	}
	query.SetOrderDirect("credit_account_id", "DESC")
	if count, err := query.SelectAndCount(); err != nil {
		return 0, creditAccounts, err
	} else {
		for _, creditAccountModel := range creditAccountModels {
			if creditAccount, err := transform.TransformToCreditAccountDomainModelFromPgModels(creditAccountModel); err != nil {
				return 0, creditAccounts, err
			} else {
				creditAccounts = append(creditAccounts, creditAccount)
			}
		}
		return int64(count), creditAccounts, nil
	}
}

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