package repository

import (
	"errors"
	"fmt"
	"github.com/go-pg/pg/v10"
	"github.com/linmadan/egglib-go/persistent/pg/sqlbuilder"
	pgTransaction "github.com/linmadan/egglib-go/transaction/pg"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/domain"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/infrastructure/pg/models"
	"gitlab.fjmaimaimai.com/allied-creation/performance/pkg/utils"
	"time"
)

type RoleUserRepository struct {
	transactionContext *pgTransaction.TransactionContext
}

func NewRoleUserRepository(transactionContext *pgTransaction.TransactionContext) *RoleUserRepository {
	return &RoleUserRepository{transactionContext: transactionContext}
}

func (repo *RoleUserRepository) TransformToDomain(m *models.RoleUser) domain.RoleUser {
	return domain.RoleUser{
		Id:        m.Id,
		RoleId:    m.RoleId,
		UserId:    m.UserId,
		CompanyId: m.CompanyId,
		CreatedAt: m.CreatedAt.Local(),
		UpdatedAt: m.UpdatedAt.Local(),
		DeletedAt: m.DeletedAt,
	}
}

func (repo *RoleUserRepository) TransformToModel(d *domain.RoleUser) models.RoleUser {
	return models.RoleUser{
		Id:        d.Id,
		RoleId:    d.RoleId,
		UserId:    d.UserId,
		CompanyId: d.CompanyId,
		CreatedAt: d.CreatedAt,
		UpdatedAt: d.UpdatedAt,
		DeletedAt: d.DeletedAt,
	}
}

func (repo *RoleUserRepository) nextIdentify() (int64, error) {
	return utils.NewSnowflakeId()
}

func (repo *RoleUserRepository) Insert(d *domain.RoleUser) (*domain.RoleUser, error) {
	var isCreate = d.Id == 0
	if isCreate {
		id, err := repo.nextIdentify()
		if err != nil {
			return d, err
		}
		d.Id = id
		d.CreatedAt = time.Now()
		d.UpdatedAt = d.CreatedAt
	} else {
		d.UpdatedAt = time.Now()
	}
	m := repo.TransformToModel(d)
	tx := repo.transactionContext.PgTx
	var err error
	if isCreate {
		_, err = tx.Model(&m).Returning("id").Insert()
	} else {
		_, err = tx.Model(&m).Returning("id").WherePK().Update() // 更新和删除必须增加条件
	}
	if err != nil {
		return nil, err
	}
	d.Id = m.Id
	return d, nil
}

func (repo *RoleUserRepository) Remove(d *domain.RoleUser) (*domain.RoleUser, error) {
	tx := repo.transactionContext.PgTx
	nowTime := time.Now()
	m := repo.TransformToModel(d)
	m.DeletedAt = &nowTime
	// 真删
	if _, err := tx.Model(&m).WherePK().Delete(); err != nil {
		return d, err
	}
	return d, nil
}

func (repo *RoleUserRepository) FindOne(queryOptions map[string]interface{}) (*domain.RoleUser, error) {
	tx := repo.transactionContext.PgTx
	m := new(models.RoleUser)
	query := tx.Model(m)
	query.Where("deleted_at isnull")
	if id, ok := queryOptions["id"]; ok {
		query.Where("id=?", id)
	}
	if err := query.First(); err != nil {
		if errors.Is(err, pg.ErrNoRows) {
			return nil, fmt.Errorf("没有此资源")
		} else {
			return nil, err
		}
	}
	u := repo.TransformToDomain(m)
	return &u, nil
}

func (repo *RoleUserRepository) Find(queryOptions map[string]interface{}) (int64, []*domain.RoleUser, error) {
	tx := repo.transactionContext.PgTx
	var m []*models.RoleUser
	query := tx.Model(&m).Where("deleted_at isnull").Limit(20)

	if roleId, ok := queryOptions["roleId"]; ok {
		query.Where("role_id = ?", roleId)
	}

	if companyId, ok := queryOptions["companyId"]; ok {
		query.Where("company_id = ?", companyId)
	}

	if userId, ok := queryOptions["userId"]; ok {
		query.Where("user_id = ?", userId)
	}

	if userIds, ok := queryOptions["userIds"]; ok {
		query.Where("user_id in (?)", pg.In(userIds))
	}

	if v, ok := queryOptions["limit"].(int64); ok {
		query.Limit(int(v))
	}
	if v, ok := queryOptions["offset"].(int64); ok {
		query.Offset(int(v))
	}

	count, err := query.SelectAndCount()
	if err != nil {
		return 0, nil, err
	}
	var arrays []*domain.RoleUser
	for _, v := range m {
		d := repo.TransformToDomain(v)
		arrays = append(arrays, &d)
	}
	return int64(count), arrays, nil
}

func (repo *RoleUserRepository) Count(queryOptions map[string]interface{}) (int64, error) {
	tx := repo.transactionContext.PgTx
	m := new(models.RoleUser)
	query := sqlbuilder.BuildQuery(tx.Model(m), queryOptions)
	query.Where("deleted_at isnull")

	if id, ok := queryOptions["id"]; ok {
		query.Where("id = ?", id)
	}

	if notId, ok := queryOptions["notId"]; ok {
		query.Where("id != ?", notId)
	}

	if v, ok := queryOptions["name"].(string); ok && len(v) > 0 {
		query.Where("name = ?", v)
	}

	if companyId, ok := queryOptions["companyId"]; ok {
		query.Where("company_id = ?", companyId)
	}

	count, err := query.Count()
	if err != nil {
		return 0, err
	}
	return int64(count), nil
}

func (repo *RoleUserRepository) BatchDeleteById(ids []int64) error {
	tx := repo.transactionContext.PgTx
	_, err := tx.Model(&models.RoleUser{}).Where("id IN (?)", pg.In(ids)).Delete()
	return err
}

func (repo *RoleUserRepository) FindAllContainUser(pageNumber int, pageSize int, companyId int64, roleId int64) (int64, []*domain.RoleContainUser, error) {
	limit := pageSize
	offset := limit * (pageNumber - 1)
	if offset < 0 {
		offset = 0
	}
	dataSql := ` SELECT
    "role_user".role_id,
	"role_user".user_id,
	"user".name as user_name,
	"user".email as user_email
`
	whereFrom := `
    FROM "role_user"
	LEFT JOIN "user" ON "user".id = "role_user".user_id
	WHERE 1=1 AND "role_user".deleted_at ISNULL `

	var param []interface{}
	if companyId > 0 {
		param = append(param, companyId)
		whereFrom += ` AND role_user.company_id=? `
	}
	if roleId >= 0 {
		param = append(param, roleId)
		whereFrom += ` AND role_user.role_id =? `
	}
	dataSql += whereFrom
	dataSql = fmt.Sprintf("%s limit %d offset %d", dataSql, limit, offset)
	countSql := ` SELECT COUNT(*) ` + whereFrom

	tx := repo.transactionContext.PgTx

	var total int64
	var dataList = make([]*domain.RoleContainUser, 0)
	_, err := tx.Query(&dataList, dataSql, param...)

	// 获取总数量
	_, _ = tx.QueryOne(pg.Scan(&total), countSql, param...)
	return total, dataList, err
}