/*時間情報を扱うクラス*/
class Time{
    private $hh = null;
    public function get_hh(){
        return $this->hh;
    }
    private $h = null;
    public function get_h(){
        return $this->h;
    }

    private $mm = null;
    public function get_mm(){
        return $this->hh;
    }
    private $m = null;
    public function get_m(){
        return $this->m;
    }

    private $ss = null;
    public function get_ss(){
        return $this->ss;
    }
    private $s = null;
    public function get_s(){
        return $this->s;
    }

    public function get_Array(){
        return array($this->h,$this->m,$this->s);
    }
    public function get_Array_hm(){
        return array($this->h,$this->m);
    }
    public function get_Array_00(){
        return array($this->hh,$this->mm,$this->ss);
    }
    public function get_Array_hm_00(){
        return array($this->hh,$this->mm);
    }

    private $string =null;
    public function get_String(){
        return $this->string;
    }
    private $string_hm =null;
    public function get_String_hm(){
        return $this->string_hm;
    }


    public function __construct($var) {
     if(is_array($var)){
         $this->generate_from_Array($var);
     }else{
         $this->generate_from_Time($var);
     }
    }

    private function initialize(){
        $this->hh = "00";
        $this->h = 0;
        $this->mm = "00";
        $this->m = 0;
        $this->ss = "00";
        $this->s = 0;
    }
    private static function addingZero($int):String{
        if(empty($int)){return "00";}
        if(($int+0)<10){
            return "0".($int+0);
        }
        return (String)$int;
    }
    private static function stripZero($str):int{
        if(empty($str)){return 0;}
        return $str+0;
    }

    private function generate_hms($array_hms){
        $this->hh = Time::addingZero($array_hms[0]);
        $this->h = Time::stripZero($array_hms[0]);
        $this->mm = Time::addingZero($array_hms[1]);
        $this->m = Time::stripZero($array_hms[1]);
        if(isset($array_hms[2])){
            $this->ss = Time::addingZero($array_hms[2]);
            $this->s = Time::stripZero($array_hms[2]);
        }
    }

    private function generate_string(){
        //配列に格納された値から文字列を生成
        $this->string = $this->hh.":".$this->mm.":".$this->ss;
        $this->string_hm = $this->hh.":".$this->mm;
    }

    public function generate_from_Time($str){
        if(!preg_match('/\A([0-9]+:[0-5]?[0-9]{1}|[0-9]+:[0-5]?[0-9]{1}:[0-5]?[0-9]){1}\z/', $str) ){
            //正規表現に一致しないため、falseを返して終了。
            return null;
        }
        $this->initialize();//正常なデータなので、初期値を代入
        $this->generate_hms(explode(":", $str));
        $this->generate_string();
    }

    private static function is_integer_check($var){
        if(is_int($var)){return true;}
        if(ctype_digit($var)){return true;}
        return false;
    }
    public function generate_from_Array($array){

        //数値かどうかのバリデーション
        if(!Time::is_integer_check($array[0])){return null;}//「時」がnullのパターンは存在しない(「分」はnullを受け付ける)
        if(isset($array[1]) && !Time::is_integer_check($array[1])){return null;}//「分」はnullと数値を許容
        if(isset($array[2]) && !Time::is_integer_check($array[2])){return null;}//「秒」も同様

        //正常値かどうかのバリデーション
        if($array[0]<0){return null;}
        if(isset($array[1])){ if(!(0<=$array[1] && $array[1]<60)){return null;} }
        if(isset($array[2])){ if(!(0<=$array[2] && $array[2]<60)){return null;} }

        $this->initialize();//正常なデータなので、初期値を代入
        $this->generate_hms($array);
        $this->generate_string();
    }
}

class TimeComparer{
    private $time1;
    private $time2;
    public function __construct(Time $time1,Time $time2) {
        $this->time1 = $time1;
        $this->time2 = $time2;
    }

    public function is_confirm(){
        //どちらか片方が未指定であれば通す
        if($this->time1->get_String() === null){return true;}
        if($this->time2->get_String() === null){return true;}

        //時間1＞時間2は問題なのでエラー
        if($this->time1->get_h() > $this->time2->get_h()){return false;}
        if($this->time1->get_h() == $this->time2->get_h()){
            //「時」が共に同じなら「分」で比較
            if($this->time1->get_m() > $this->time2->get_m()){return false;}
        }
        return true;
    }
}