# Copyright(c) 2015, Konrad K Sobon
# @arch_laboratory, http://archi-lab.net
# http://tinypic.com/m/kbrvxh/1

import clr
clr.AddReference('ProtoGeometry')
from Autodesk.DesignScript.Geometry import *

# Import Element wrapper extension methods
clr.AddReference("RevitNodes")
import Revit
clr.ImportExtensions(Revit.Elements)

# Import geometry conversion extension methods
clr.ImportExtensions(Revit.GeometryConversion)

# Import DocumentManager and TransactionManager
clr.AddReference("RevitServices")
import RevitServices
from RevitServices.Persistence import DocumentManager
from RevitServices.Transactions import TransactionManager
doc = DocumentManager.Instance.CurrentDBDocument

# Import RevitAPI
clr.AddReference("RevitAPI")
import Autodesk
from Autodesk.Revit.DB import *

import System
from System import Array
from System.Collections.Generic import *

import sys
pyt_path = r'C:\Program Files (x86)\IronPython 2.7\Lib'
sys.path.append(pyt_path)

#The inputs to this node will be stored as a list in the IN variable.
dataEnteringNode = IN

if isinstance(IN[0], list):
	rooms = UnwrapElement(IN[0])
else:
	rooms = [UnwrapElement(IN[0])]
namePrefix = IN[1]
bboxOffset = IN[2]
runMe = IN[3]

def OffsetBBox(bbox, offset):
	bboxMinX = bbox.Min.X - offset
	bboxMinY = bbox.Min.Y - offset
	bboxMinZ = bbox.Min.Z - offset
	bboxMaxX = bbox.Max.X + offset
	bboxMaxY = bbox.Max.Y + offset
	bboxMaxZ = bbox.Max.Z + offset
	newBbox = BoundingBoxXYZ()
	newBbox.Min = XYZ(bboxMinX, bboxMinY, bboxMinZ)
	newBbox.Max = XYZ(bboxMaxX, bboxMaxY, bboxMaxZ)
	return newBbox

try:
	errorReport = None
	if runMe:
		viewTypes = FilteredElementCollector(doc).OfClass(ViewFamilyType)
		for i in viewTypes:
			if i.ViewFamily == ViewFamily.FloorPlan:
				viewTypeId = i.Id
				break
			else:
				continue
		
		existingPlans = FilteredElementCollector(doc).OfClass(View).ToElements()
		
		existingPlanNames, existingPlanElements = [], []
		for i in existingPlans:
			if not i.IsTemplate:
				if i.ViewType == ViewType.FloorPlan:
					existingPlanNames.append(i.ToDSType(True).Name)
					existingPlanElements.append(i)
					
		# Start Transaction
		#viewName = namePrefix + "-" + i.get_Parameter(BuiltInParameter.ROOM_NUMBER).AsString() + "-" + i.get_Parameter(BuiltInParameter.ROOM_NAME).AsString()

		TransactionManager.Instance.EnsureInTransaction(doc)
		
		floorPlans = []
		for i in rooms:
			levelId = i.LevelId
			bbox = i.BoundingBox[doc.ActiveView]
			newBbox = OffsetBBox(bbox, bboxOffset)
			viewName = namePrefix + i.get_Parameter(BuiltInParameter.ROOM_NUMBER).AsString() + "-" + i.get_Parameter(BuiltInParameter.ROOM_NAME).AsString()
			if viewName in existingPlanNames:
				view = existingPlanElements[existingPlanNames.index(viewName)]
				view.CropBox = newBbox
				view.CropBoxActive = True
				view.CropBoxVisible = True
				floorPlans.append(view)
			else:
				newView = ViewPlan.Create(doc, viewTypeId, levelId)
				newView.ViewName = viewName
				newView.CropBox = newBbox
				newView.CropBoxActive = True
				newview.CropBoxVisible = True
				floorPlans.append(newView)
	
		# End Transaction
		TransactionManager.Instance.TransactionTaskDone()
	else:
		errorReport = "Run Me set to False"
except:
	# if error accurs anywhere in the process catch it
	import traceback
	errorReport = traceback.format_exc()

#Assign your output to the OUT variable
if errorReport == None:
	OUT = floorPlans
else:
	OUT = errorReport