package model

import (
	"context"
	"errors"
	"fmt"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
)

var _ NhRoleModel = (*customNhRoleModel)(nil)

type (
	// NhRoleModel is an interface to be customized, add more methods here,
	// and implement the added methods in customNhRoleModel.
	NhRoleModel interface {
		nhRoleModel
		withSession(session sqlx.Session) NhRoleModel
		AccountExist(ctx context.Context, account string) (bool, error)
		FindRoleUserId(ctx context.Context, roleId int64) (uint, error)
	}

	customNhRoleModel struct {
		*defaultNhRoleModel
	}
)

func (m *customNhRoleModel) FindRoleUserId(ctx context.Context, roleId int64) (uint, error) {
	query := fmt.Sprintf("SELECT u.id FROM `nh_user` u JOIN %s r ON u.email = r.account WHERE r.role_id = ?", m.table)
	var resp uint
	err := m.conn.QueryRowPartialCtx(ctx, &resp, query, roleId)
	switch {
	case err == nil:
		return resp, nil
	case errors.Is(err, sqlx.ErrNotFound):
		return 0, nil
	default:
		return 0, err
	}
}

func (m *customNhRoleModel) AccountExist(ctx context.Context, account string) (bool, error) {
	query := fmt.Sprintf("select count(*) as `count` from %s where `account` = ?", m.table)
	var count int64
	err := m.conn.QueryRowCtx(ctx, &count, query, account)
	if err != nil && !errors.Is(err, sqlx.ErrNotFound) {
		return false, err
	}
	return count > 0, nil
}

// NewNhRoleModel returns a model for the database table.
func NewNhRoleModel(conn sqlx.SqlConn) NhRoleModel {
	return &customNhRoleModel{
		defaultNhRoleModel: newNhRoleModel(conn),
	}
}

func (m *customNhRoleModel) withSession(session sqlx.Session) NhRoleModel {
	return NewNhRoleModel(sqlx.NewSqlConnFromSession(session))
}