import clr

clr.AddReference('RevitAPI')
from Autodesk.Revit.DB import *

clr.AddReference('RevitServices')
from RevitServices.Persistence import DocumentManager as DM

from RevitServices.Transactions import TransactionManager as TM

from System import Guid

doc = DM.Instance.CurrentDBDocument

clr.AddReference('RevitNodes')
import Revit 

def getInsulationHost(insulation): # получаем основу с изоляции
    
    host_el_Id = insulation.HostElementId # получили айди хоста изоляции
    host_el = doc.GetElement(host_el_Id) # получаем элемент по его айди
    
    return host_el

zapas = IN[0]
param_area_fittings = IN[1]
param_area_set = IN[2]

duct_insulation = []

duct_insulation.extend(FilteredElementCollector(doc).OfCategory(BuiltInCategory.OST_DuctInsulations).WhereElementIsNotElementType().ToElements()) # получаем всю изоляцию из активного проекта

duct_ins_host = []

for di in duct_insulation:
    duct_ins_host.append(getInsulationHost(di))

TM.Instance.EnsureInTransaction(doc) # Открытие транзакции

for duct_insulation_instance, host in zip(duct_insulation, duct_ins_host):

    if isinstance(host, MEPCurve):
        di_area = duct_insulation_instance.get_Parameter(BuiltInParameter.RBS_CURVE_SURFACE_AREA).AsDouble() * 0.3048 * 0.3048 * zapas
        duct_insulation_instance.LookupParameter(param_area_set).Set(di_area)

    elif host.Category.BuiltInCategory == BuiltInCategory.OST_DuctFitting:
        if host.LookupParameter(param_area_fittings):
            di_area_fitting = host.LookupParameter(param_area_fittings).AsDouble() * 0.3048 * 0.3048 * zapas
            duct_insulation_instance.LookupParameter(param_area_set).Set(di_area_fitting)

    elif host.Category.BuiltInCategory == BuiltInCategory.OST_DuctAccessory:
        host_connectors = host.MEPModel.ConnectorManager.Connectors
        connector_list = list(host_connectors)
        if len(connector_list) == 2:

            first_con_origin = connector_list[0].Origin
            second_con_origin = connector_list[1].Origin
            con_distance = first_con_origin.DistanceTo(second_con_origin) * 304.8

            if connector_list[0].Shape == ConnectorProfileType.Rectangular:
                con_height = connector_list[0].Height * 0.3048
                con_width = connector_list[0].Width * 0.3048

                con_perimeter = 2 * (con_height + con_width)

                section_area = con_perimeter * con_distance / 1000

                duct_insulation_instance.LookupParameter(param_area_set).Set(section_area)
            
            elif connector_list[0].Shape == ConnectorProfileType.Round:
                con_diameter = connector_list[0].Radius * 0.3048 * 2
                con_perimeter = 3.14159 * con_diameter
                section_area = con_perimeter * con_distance / 1000

                duct_insulation_instance.LookupParameter(param_area_set).Set(section_area)
                           
TM.Instance.TransactionTaskDone() # Закрытие транзакции

OUT = duct_insulation, duct_ins_host