# -*- coding: utf-8
# Copyright 2005 by Vahur Rebas

from Products.Archetypes.public import BaseFolderSchema, Schema
from Products.Archetypes.public import BaseFolder
from Products.Archetypes.public import registerType
from Products.CMFCore.utils import getToolByName

from AccessControl import ClassSecurityInfo
from config import PROJECT_NAME

schema = BaseFolderSchema
rome_to_arab = ["","I","II","III","IV","V","VI"]

class ProgressUserFolder(BaseFolder):
	""" This folder holds all progress interviews. """

	meta_type = "ProgressUserFolder"
	archetype_name = "ProgressUserFolder"
	allowed_content_types = ("PhaseI", "PhaseII", "PhaseIII", "PhaseIV", "PhaseV", "PhaseVI")
	filter_content_types = 1
	global_allow = 0
	exclude_from_nav = True
	security = ClassSecurityInfo()

	schema = schema

	actions = (
		{
		'id': 'view',
		'name': 'View',
		'action': 'string:${object_url}/prog_class_view',
		'permissions': ('Edit phase content',),
		},
		{
                'id': 'folderlisting',
                'name': 'Folder Listing',
                'action': 'string:${object_url}/prog_class_view',
                'permissions': ('Edit phase content',),
                },

	)

	def checkPhaseObjects(self):
		""" checks if phase objects are created else they are created """
		for x in ("PhaseI", "PhaseII", "PhaseIII", "PhaseIV", "PhaseV", "PhaseVI"):
				y = getattr(self, x, None)
				if not y:
						typestool = getToolByName(self, 'portal_types')
						puf_type = getattr(typestool, x, None)
						if not puf_type:
								continue
						puf_type.allowed_content_types = (x,)
						id = self.invokeFactory(x, x, title=x)
						puf_type.allowed_content_types = []
		return 1

	def getNextStep(self, uname):
		""" returns next unfilled phase object for user. 
			First if all phases are complete. 
			self if objects are not found
		"""
		self.checkPhaseObjects()
		for x in range(1,7):
				p = self.getPhase(x)
				if not p.getPhaseStatus():
						return p
		return self

	def getPhase(self, phase):
		""" returns phase object for student.
			if errors occur, self is returned
		"""
		# get phase object.
		obj_name = "Phase"+rome_to_arab[phase]
		obj = getattr(self, obj_name, self)
		return obj

registerType(ProgressUserFolder, PROJECT_NAME)