<?php

namespace sammo\Constraint;
use sammo\DB;
//TODO: DB 사용하지 않도록 변경

class MustBeTroopLeader extends Constraint{
    const REQ_VALUES = Constraint::REQ_GENERAL;

    public function checkInputValues(bool $throwExeception=true){
        if(!parent::checkInputValues($throwExeception) && !$throwException){
            return false;
        }

        if(!key_exists('troop', $this->general)){
            if(!$throwExeception){return false; }
            throw new \InvalidArgumentException("require troop in general");
        }

        return true;
    }

    public function test():bool{
        $this->checkInputValues();
        $this->tested = true;

        //XXX: 부대장인지 알 수가 없음
        $db = DB::db();
        $troopLeader = $db->queryFirstField('SELECT no FROM troop WHERE troop = %i', $this->general['troop']);

        if($troopLeader == $this->general['no']){
            return true;
        }

        $this->reason = "부대장이 아닙니다.";
        return false;
    }
}