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 UserBaseRepository struct {
	transactionContext *pgTransaction.TransactionContext
}

func (repository *UserBaseRepository) nextIdentify() (int64, error) {
	IdWorker, err := snowflake.NewIdWorker(1)
	if err != nil {
		return 0, err
	}
	id, err := IdWorker.NextId()
	return id, err
}
func (repository *UserBaseRepository) Save(userBase *domain.UserBase) (*domain.UserBase, error) {
	sqlBuildFields := []string{
		"user_base_id",
		"user_info",
		"phone",
		"password",
		"im",
		"related_user",
		"status",
		"created_at",
		"updated_at",
	}
	insertFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	insertPlaceHoldersSnippet := sqlbuilder.SqlPlaceHoldersSnippet(sqlBuildFields)
	returningFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	updateFields := sqlbuilder.RemoveSqlFields(sqlBuildFields, "userBase_id")
	updateFieldsSnippet := sqlbuilder.SqlUpdateFieldsSnippet(updateFields)
	tx := repository.transactionContext.PgTx
	if userBase.Identify() == nil {
		userBaseId, err := repository.nextIdentify()
		if err != nil {
			return userBase, err
		} else {
			userBase.UserBaseId = userBaseId
		}
		if _, err := tx.QueryOne(
			pg.Scan(
				&userBase.UserBaseId,
				&userBase.UserInfo,
				&userBase.Account,
				&userBase.Password,
				&userBase.Im,
				pg.Array(&userBase.RelatedUsers),
				&userBase.Status,
				&userBase.CreatedAt,
				&userBase.UpdatedAt,
			),
			fmt.Sprintf("INSERT INTO user_bases (%s) VALUES (%s) RETURNING %s", insertFieldsSnippet, insertPlaceHoldersSnippet, returningFieldsSnippet),
			userBase.UserBaseId,
			userBase.UserInfo,
			userBase.Account,
			userBase.Password,
			userBase.Im,
			pg.Array(userBase.RelatedUsers),
			userBase.Status,
			userBase.CreatedAt,
			userBase.UpdatedAt,
		); err != nil {
			return userBase, err
		}
	} else {
		if _, err := tx.QueryOne(
			pg.Scan(
				&userBase.UserBaseId,
				&userBase.UserInfo,
				&userBase.Account,
				&userBase.Password,
				&userBase.Im,
				pg.Array(&userBase.RelatedUsers),
				&userBase.Status,
				&userBase.CreatedAt,
				&userBase.UpdatedAt,
			),
			fmt.Sprintf("UPDATE user_bases SET %s WHERE user_base_id=? RETURNING %s", updateFieldsSnippet, returningFieldsSnippet),
			userBase.UserInfo,
			userBase.Account,
			userBase.Password,
			userBase.Im,
			pg.Array(userBase.RelatedUsers),
			userBase.Status,
			userBase.CreatedAt,
			userBase.UpdatedAt,
			userBase.Identify(),
		); err != nil {
			return userBase, err
		}
	}
	return userBase, nil
}
func (repository *UserBaseRepository) Remove(userBase *domain.UserBase) (*domain.UserBase, error) {
	tx := repository.transactionContext.PgTx
	userBaseModel := new(models.UserBase)
	userBaseModel.UserBaseId = userBase.Identify().(int64)
	if _, err := tx.Model(userBaseModel).WherePK().Delete(); err != nil {
		return userBase, err
	}
	return userBase, nil
}
func (repository *UserBaseRepository) FindOne(queryOptions map[string]interface{}) (*domain.UserBase, error) {
	tx := repository.transactionContext.PgTx
	userBaseModel := new(models.UserBase)
	query := sqlbuilder.BuildQuery(tx.Model(userBaseModel), queryOptions)
	query.SetWhereByQueryOption("user_base.user_base_id = ?", "userBaseId")
	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 userBaseModel.UserBaseId == 0 {
		return nil, nil
	} else {
		return transform.TransformToUserBaseDomainModelFromPgModels(userBaseModel)
	}
}
func (repository *UserBaseRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.UserBase, error) {
	tx := repository.transactionContext.PgTx
	var userBaseModels []*models.UserBase
	userBases := make([]*domain.UserBase, 0)
	query := sqlbuilder.BuildQuery(tx.Model(&userBaseModels), queryOptions)
	query.SetOffsetAndLimit(20)
	query.SetOrderDirect("user_base_id", "DESC")
	if count, err := query.SelectAndCount(); err != nil {
		return 0, userBases, err
	} else {
		for _, userBaseModel := range userBaseModels {
			if userBase, err := transform.TransformToUserBaseDomainModelFromPgModels(userBaseModel); err != nil {
				return 0, userBases, err
			} else {
				userBases = append(userBases, userBase)
			}
		}
		return int64(count), userBases, nil
	}
}
func NewUserBaseRepository(transactionContext *pgTransaction.TransactionContext) (*UserBaseRepository, error) {
	if transactionContext == nil {
		return nil, fmt.Errorf("transactionContext参数不能为nil")
	} else {
		return &UserBaseRepository{
			transactionContext: transactionContext,
		}, nil
	}
}