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 CooperationProjectRepository struct {
	transactionContext *pgTransaction.TransactionContext
}

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

func (repository *CooperationProjectRepository) Save(cooperationProject *domain.CooperationProject) (*domain.CooperationProject, error) {
	sqlBuildFields := []string{
		"cooperation_project_id",
		"cooperation_project_number",
		"cooperation_project_description",
		"cooperation_project_name",
		"cooperation_project_publish_time",
		"cooperation_project_publisher",
		"cooperation_project_sponsor",
		"cooperation_mode_number",
		"department",
		"cooperation_project_undertaker_types",
		"attachment",
		"org",
		"company",
		"operator",
		"operate_time",
		"status",
		"updated_at",
		"deleted_at",
		"created_at",
	}
	insertFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	insertPlaceHoldersSnippet := sqlbuilder.SqlPlaceHoldersSnippet(sqlBuildFields)
	returningFieldsSnippet := sqlbuilder.SqlFieldsSnippet(sqlBuildFields)
	updateFields := sqlbuilder.RemoveSqlFields(sqlBuildFields, "cooperationProject_id")
	updateFieldsSnippet := sqlbuilder.SqlUpdateFieldsSnippet(updateFields)
	tx := repository.transactionContext.PgTx
	if cooperationProject.Identify() == nil {
		cooperationProjectId, err := repository.nextIdentify()
		if err != nil {
			return cooperationProject, err
		} else {
			cooperationProject.CooperationProjectId = cooperationProjectId
		}
		if _, err := tx.QueryOne(
			pg.Scan(
				&cooperationProject.CooperationProjectId,
				&cooperationProject.CooperationProjectNumber,
				&cooperationProject.CooperationProjectDescription,
				&cooperationProject.CooperationProjectName,
				&cooperationProject.CooperationProjectPublishTime,
				&cooperationProject.CooperationProjectPublisher,
				&cooperationProject.CooperationProjectSponsor,
				&cooperationProject.CooperationMode.CooperationModeNumber,
				&cooperationProject.Department,
				pg.Array(&cooperationProject.CooperationProjectUndertakerTypes),
				&cooperationProject.Attachment,
				&cooperationProject.Org,
				&cooperationProject.Company,
				&cooperationProject.Operator,
				&cooperationProject.OperateTime,
				&cooperationProject.Status,
				&cooperationProject.UpdatedAt,
				&cooperationProject.DeletedAt,
				&cooperationProject.CreatedAt,
			),
			fmt.Sprintf("INSERT INTO cooperation_projects (%s) VALUES (%s) RETURNING %s", insertFieldsSnippet, insertPlaceHoldersSnippet, returningFieldsSnippet),
			cooperationProject.CooperationProjectId,
			cooperationProject.CooperationProjectNumber,
			cooperationProject.CooperationProjectDescription,
			cooperationProject.CooperationProjectName,
			cooperationProject.CooperationProjectPublishTime,
			cooperationProject.CooperationProjectPublisher,
			cooperationProject.CooperationProjectSponsor,
			cooperationProject.CooperationMode.CooperationModeNumber,
			cooperationProject.Department,
			pg.Array(cooperationProject.CooperationProjectUndertakerTypes),
			cooperationProject.Attachment,
			cooperationProject.Org,
			cooperationProject.Company,
			cooperationProject.Operator,
			cooperationProject.OperateTime,
			cooperationProject.Status,
			cooperationProject.UpdatedAt,
			nil,
			cooperationProject.CreatedAt,
		); err != nil {
			return cooperationProject, err
		}
	} else {
		if _, err := tx.QueryOne(
			pg.Scan(
				&cooperationProject.CooperationProjectId,
				&cooperationProject.CooperationProjectNumber,
				&cooperationProject.CooperationProjectDescription,
				&cooperationProject.CooperationProjectName,
				&cooperationProject.CooperationProjectPublishTime,
				&cooperationProject.CooperationProjectPublisher,
				&cooperationProject.CooperationProjectSponsor,
				&cooperationProject.CooperationMode.CooperationModeNumber,
				&cooperationProject.Department,
				pg.Array(&cooperationProject.CooperationProjectUndertakerTypes),
				&cooperationProject.Attachment,
				&cooperationProject.Org,
				&cooperationProject.Company,
				&cooperationProject.Operator,
				&cooperationProject.OperateTime,
				&cooperationProject.Status,
				&cooperationProject.UpdatedAt,
				&cooperationProject.DeletedAt,
				&cooperationProject.CreatedAt,
			),
			fmt.Sprintf("UPDATE cooperation_projects SET %s WHERE cooperation_project_id=? RETURNING %s", updateFieldsSnippet, returningFieldsSnippet),
			cooperationProject.CooperationProjectId,
			cooperationProject.CooperationProjectNumber,
			cooperationProject.CooperationProjectDescription,
			cooperationProject.CooperationProjectName,
			cooperationProject.CooperationProjectPublishTime,
			cooperationProject.CooperationProjectPublisher,
			cooperationProject.CooperationProjectSponsor,
			cooperationProject.CooperationMode.CooperationModeNumber,
			cooperationProject.Department,
			pg.Array(cooperationProject.CooperationProjectUndertakerTypes),
			cooperationProject.Attachment,
			cooperationProject.Org,
			cooperationProject.Company,
			cooperationProject.Operator,
			cooperationProject.OperateTime,
			cooperationProject.Status,
			cooperationProject.UpdatedAt,
			nil,
			cooperationProject.CreatedAt,
			cooperationProject.Identify(),
		); err != nil {
			return cooperationProject, err
		}
	}
	return cooperationProject, nil
}

func (repository *CooperationProjectRepository) Remove(cooperationProject *domain.CooperationProject) (*domain.CooperationProject, error) {
	tx := repository.transactionContext.PgTx
	cooperationProjectModel := new(models.CooperationProject)
	cooperationProjectModel.CooperationProjectId = cooperationProject.Identify().(int64)
	if _, err := tx.Model(cooperationProjectModel).WherePK().Delete(); err != nil {
		return cooperationProject, err
	}
	return cooperationProject, nil
}

func (repository *CooperationProjectRepository) FindOne(queryOptions map[string]interface{}) (*domain.CooperationProject, error) {
	tx := repository.transactionContext.PgTx
	cooperationProjectModel := new(models.CooperationProject)
	query := sqlbuilder.BuildQuery(tx.Model(cooperationProjectModel), queryOptions)
	if cooperationProjectNumber, ok := queryOptions["cooperationProjectNumber"]; ok && cooperationProjectNumber != "" {
		query.Where("cooperation_project_number = ?", cooperationProjectNumber)
	}
	query.SetWhereByQueryOption("cooperation_project.cooperation_project_id = ?", "cooperationProjectId")
	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 cooperationProjectModel.CooperationProjectId == 0 {
		return nil, nil
	} else {
		// 获取共创模式
		cooperationModeModel := new(models.CooperationMode)
		cooperationModeQuery := tx.Model(cooperationModeModel)
		if err := cooperationModeQuery.Where("cooperation_mode_number = ?", cooperationProjectModel.CooperationModeNumber).First(); err != nil {
			return nil, err
		}
		return transform.TransformToCooperationProjectDomainModelFromPgModels(cooperationProjectModel, cooperationModeModel)
	}
}

func (repository *CooperationProjectRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.CooperationProject, error) {
	tx := repository.transactionContext.PgTx
	var cooperationProjectModels []*models.CooperationProject
	cooperationProjects := make([]*domain.CooperationProject, 0)
	query := sqlbuilder.BuildQuery(tx.Model(&cooperationProjectModels), queryOptions)
	if v, ok := queryOptions["status"]; ok && v.(int32) > 0 {
		query.Where("status =? ", v)
	}
	offsetLimitFlag := true
	if limit, ok := queryOptions["limit"]; ok {
		offsetLimitFlag = limit.(bool)
	}
	if offsetLimitFlag {
		query.SetOffsetAndLimit(20)
	}
	query.SetOrderDirect("cooperation_project_id", "DESC")
	if count, err := query.SelectAndCount(); err != nil {
		return 0, cooperationProjects, err
	} else {
		for _, cooperationProjectModel := range cooperationProjectModels {
			// 获取共创模式
			cooperationModeModel := new(models.CooperationMode)
			cooperationModeQuery := tx.Model(cooperationModeModel)
			if err := cooperationModeQuery.Where("cooperation_mode_number = ?", cooperationProjectModel.CooperationModeNumber).First(); err != nil {
				return 0, nil, err
			}
			if cooperationProject, err := transform.TransformToCooperationProjectDomainModelFromPgModels(cooperationProjectModel, cooperationModeModel); err != nil {
				return 0, cooperationProjects, err
			} else {
				cooperationProjects = append(cooperationProjects, cooperationProject)
			}
		}
		return int64(count), cooperationProjects, nil
	}
}

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