//건축물의 피난ㆍ방화구조 등의 기준에 관한 규칙 15조 (계단의 설치기준) 2항2호
check(REFB_15_2_2){
     IF CS THEN KS
}

CS{
       getBuildingUsage()="MiddleSchool"
       OR getBuildingUsage()="HighSchool"
}

KS{
      getObjectWidth(Stair)>=150 cm
      getObjectWidth(StairLanding)>150 cm
      getObjectProperty(Stair.riserHeight)>=18 cm
      getObjectProperty(Stair.riserWidth)>=26 cm
} 

def Check():
    for building in SELECT('building'):

        bldg_use = building.SELECT('building type').STRING()
        sub_use = building.SELECT('prop', '세부용도').STRING()
        min_clear_w = 0.6
        max_riser_h = 0.0
        min_tread_w = 0.0

        if bldg_use == '교육연구시설':
            min_clear_w = 1.5            
            min_tread_w = 0.26
            if sub_use == '초등학교':
                max_riser_h = 0.16
            elif sub_use in ['중학교', '고등학교']:
                max_riser_h = 0.18
        elif (bldg_use == '문화 및 집회시설' and sub_use in ['공연장', '집회장', '관람장']) or (bldg_use == '판매시설'):
            min_clear_w = 1.2
        else:
            min_clear_w = 0.6 
        
        for storey in building.SELECT('storey'):
            for stair in storey.SELECT('stair'):
                clear_width = stair.SELECT('clear width').UNIT('m')
                clear_w = clear_width.NUMBER()
                
                if clear_w < min_clear_w:
                    clear_width.ERROR('유효너비: ' + str(clear_w) + ' < ' + str(min_clear_w))
                else:
                    clear_width.SUCCESS('유효너비: ' + str(clear_w) + ' >= ' + str(min_clear_w))

                if max_riser_h > 0:
                    for riser_height in stair.SELECT('riser height'):
                        riser_h = riser_height.UNIT('m').NUMBER()

                        if riser_h > max_riser_h:
                            riser_height.ERROR('단높이: ' + str(riser_h) + ' > ' + str(max_riser_h))
                            break

                if min_tread_w > 0:
                    for tread_width in stair.SELECT('tread width'):
                        tread_w = tread_width.UNIT('m').NUMBER()

                        if tread_w < min_tread_w:
                            tread_width.ERROR('단너비: ' + str(tread_w) + ' < ' + str(min_tread_w))
                            break