<?php
namespace sammo\Command\General;

use \sammo\{
    DB, Util, JosaUtil,
    General, DummyGeneral,
    ActionLogger,
    GameConst,
    LastTurn,
    GameUnitConst,
    Command,
    ScoutMessage
};

use function \sammo\getAllNationStaticInfo;
use function \sammo\getNationStaticInfo;
use function \sammo\newColor;
use function sammo\tryUniqueItemLottery;

use \sammo\Constraint\Constraint;
use \sammo\Constraint\ConstraintHelper;


class che_등용 extends Command\GeneralCommand{
    static protected $actionName = '등용';
    static public $reqArg = true;

    protected function argTest():bool{
        if($this->arg === null){
            return false;
        }
        //NOTE: 사망 직전에 '등용' 턴을 넣을 수 있으므로, 존재하지 않는 장수여도 argTest에서 바로 탈락시키지 않음
        if(!key_exists('destGeneralID', $this->arg)){
            return false;
        }
        $destGeneralID = $this->arg['destGeneralID'];
        if(!is_int($destGeneralID)){
            return false;
        }
        if($destGeneralID <= 0){
            return false;
        }
        if($destGeneralID == $this->generalObj->getID()){
            return false;
        }
        $this->arg = [
            'destGeneralID'=>$destGeneralID
        ];
        return true;
    }

    protected function init()
    {

        $general = $this->generalObj;

        $this->setCity();
        $this->setNation(['gennum', 'scout']);

        $relYear = $this->env['year'] - $this->env['startyear'];

        $this->permissionConstraints=[
            ConstraintHelper::ReqEnvValue('join_mode', '!=', 'onlyRandom', '랜덤 임관만 가능합니다'),
        ];

        $this->minConditionConstraints=[
            ConstraintHelper::ReqEnvValue('join_mode', '!=', 'onlyRandom', '랜덤 임관만 가능합니다'),
            ConstraintHelper::NotBeNeutral(),
            ConstraintHelper::OccupiedCity(),
            ConstraintHelper::SuppliedCity(),
        ];
    }

    protected function initWithArg()
    {
        $destGeneral = General::createGeneralObjFromDB($this->arg['destGeneralID'], ['nation', 'experience', 'dedication'], 0);
        $this->setDestGeneral($destGeneral);

        [$reqGold, $reqRice] = $this->getCost();
        $relYear = $this->env['year'] - $this->env['startyear'];

        $this->fullConditionConstraints=[
            ConstraintHelper::ReqEnvValue('join_mode', '!=', 'onlyRandom', '랜덤 임관만 가능합니다'),
            ConstraintHelper::NotBeNeutral(),
            ConstraintHelper::OccupiedCity(),
            ConstraintHelper::SuppliedCity(),
            ConstraintHelper::ExistsDestGeneral(),
            ConstraintHelper::DifferentNationDestGeneral(),
            ConstraintHelper::ReqGeneralGold($reqGold),
            ConstraintHelper::ReqGeneralRice($reqRice),
        ];

        if($this->destGeneralObj->getVar('officer_level') == 12){
            $this->fullConditionConstraints[] = ConstraintHelper::AlwaysFail('군주에게는 등용장을 보낼 수 없습니다.');
        }
    }

    public function canDisplay():bool{
        return $this->env['join_mode'] !== 'onlyRandom';
    }

    public function getCost():array{
        $env = $this->env;
        if(!$this->isArgValid){
            return [$env['develcost'], 0];
        }
        $destGeneral = $this->destGeneralObj;
        $reqGold = Util::round(
            $env['develcost'] +
            ($destGeneral->getVar('experience') + $destGeneral->getVar('dedication')) / 1000
        ) * 10;
        return [$reqGold, 0];
    }

    public function getPreReqTurn():int{
        return 0;
    }

    public function getPostReqTurn():int{
        return 0;
    }

    public function getBrief(): string
    {
        $destGeneralName = $this->destGeneralObj->getName();
        $name = $this->getName();
        $josaUl = JosaUtil::pick($name, '을');
        return "【{$destGeneralName}】{$josaUl} {$name}";
    }

    public function run():bool{
        if(!$this->hasFullConditionMet()){
            throw new \RuntimeException('불가능한 커맨드를 강제로 실행 시도');
        }

        $db = DB::db();

        $general = $this->generalObj;
        $date = $general->getTurnTime($general::TURNTIME_HM);

        $logger = $general->getLogger();

        $destGeneralName = $this->destGeneralObj->getName();
        $destGeneralID = $this->destGeneralObj->getID();


        $msg = ScoutMessage::buildScoutMessage($general->getID(), $destGeneralID, $reason, new \DateTime($general->getTurnTime()));
        if($msg){
            $logger->pushGeneralActionLog("<Y>{$destGeneralName}</>에게 등용 권유 서신을 보냈습니다. <1>$date</>");
            $msg->send(true);
        }
        else{
            $logger->pushGeneralActionLog("<Y>{$destGeneralName}</>에게 등용 권유 서신을 보내지 못했습니다. {$reason} <1>$date</>");
        }

        $exp = 100;
        $ded = 200;

        [$reqGold, $reqRice] = $this->getCost();

        $general->addExperience($exp);
        $general->addDedication($ded);
        $general->increaseVar('leadership_exp', 1);
        $general->increaseVarWithLimit('gold', -$reqGold, 0);

        $this->setResultTurn(new LastTurn(static::getName(), $this->arg));
        $general->checkStatChange();
        tryUniqueItemLottery($general);

        $general->applyDB($db);

        return true;
    }

    public function getForm(): string
    {
        $db = DB::db();

        $destGenerals = [];
        $destRawGenerals = $db->query('SELECT no,name,npc,nation FROM general WHERE npc < 2 AND no != %i AND officer_level != 12 ORDER BY npc,binary(name)',$this->generalObj->getID());
        foreach($destRawGenerals as $destGeneral){
            $destNationID = $destGeneral['nation'];
            if(!key_exists($destNationID, $destGenerals)){
                $destGenerals[$destNationID] = [];
            }
            $destGenerals[$destNationID][] = $destGeneral;
        }

        $nationList = array_merge([0=>getNationStaticInfo(0)], getAllNationStaticInfo());

        ob_start();
?>
재야나 타국의 장수를 등용합니다.<br>
서신은 개인 메세지로 전달됩니다.<br>
등용할 장수를 목록에서 선택하세요.<br>
<select class='formInput' name="destGeneralID" id="destGeneralID" size='1' style='color:white;background-color:black;'>
<?php foreach($nationList as $destNation): ?>
    <optgroup style='background-color:<?=$destNation['color']?>;color:<?=newColor($destNation['color'])?>;' label="【<?=$destNation['name']?>】" >
<?php   foreach($destGenerals[$destNation['nation']]??[] as $destGeneral):
            $nameColor = \sammo\getNameColor($destGeneral['npc']);
            if($nameColor){
                $nameColor = " style='color:{$nameColor}'";
            }
?>
            <option style="background-color:black;color:white" value='<?=$destGeneral['no']?>' <?=$nameColor?>><?=$destGeneral['name']?></option>
<?php   endforeach; ?>
    </optgroup>
<?php endforeach; ?>

</select> <input type=button id="commonSubmit" value="<?=$this->getName()?>"><br>
        <?php
                return ob_get_clean();
    }
}