//건축물의 피난ㆍ방화구조 등의 기준에 관한 규칙 15조 (계단의 설치기준) 7항 1호
check(REFP_15_7_1){
     KS
}

KS{
      getBuildingUsage() = "MultiUnitHouse"
      AND getStairStepWidth >= 1.2M
      AND getPaceWidth >= 1.2M
} 

min_stair_width = 1.5

def Check():
    for building in SELECT('building'):
        bldg_type = building.SELECT('building type').STRING()
        sub_type = building.SELECT('prop', '세부용도').STRING()

        if bldg_type is "공통주택":
            min_stair_width = 1.2
        else :
            min_stair_width = 1.5

        d_stairs = building.SELECT('direct stair')

        for d_stair in d_stairs:
            s_stair_w = d_stair.SELECT('width').Unit(m)

            breker = True
            for stair_stories in  d_stair.SELECT('storey'):
                if stair_stories.SELECT('is evacuation storey').BOOL() is True :
                    break
                elif stair_stories.SELECT('level') is "Ground" :
                    break
                else:
                    breaker = False
            if breaker is True:
                d_stair.SUCCESS('해당계단은 피난층이나 지상으로 통하는 직통계단이 아닙니다.')
                break
            if d_stair_w >= min_stair_width:
                d_stair.SUCCESS('계단의너비()' + d_stair_w + ')가 '  + '>=' + min_stair_width)
            else:
                d_stair.ERROR('계단의너비()' + d_stair_w + ')가 '  + '<' + min_stair_width)