import { StandardError } from '../common/error'
import { BaseModel } from '../model'
import { ProviderFactory, BaseProvider, IOperater } from '../provider'

/**
 * Logic基类
 * 
 * @export
 * @class BaseLogic
 */
export class BaseLogic {

    /**
     * 报错
     * 
     * @memberof BaseLogic
     */
    public error(msg: string, code: number) {
        throw new StandardError({ message: msg || '', code: code || 999999 });
    }
}


/**
 * 带Provider的基类
 * 
 * @export
 * @class BaseLogicForProvider
 * @extends {BaseLogic}
 */
export class BaseLogicForProvider<P extends BaseProvider<M, Op>, M extends BaseModel, Op extends IOperater<M>> extends BaseLogic {

    constructor() {
        super()
    }

    /**
     * 获取数据库访问实例
     * 
     * @template P
     * @param {new () => P} Provider 
     * @returns {P} 
     * @memberof BaseLogic_V2
     */
    public provider(Provider: new () => P): P {
        return ProviderFactory.get<P, Op, M>(Provider);
    }
}