# -*- coding: utf-8 -*-
"""novelWriter Project Item

 novelWriter – Project Item
============================
 Class holding a project item

 File History:
 Created: 2018-10-27 [0.0.1]

"""

import logging
import nw

from os       import path, mkdir
from lxml     import etree
from datetime import datetime

from nw.enum  import nwItemType, nwItemClass

logger = logging.getLogger(__name__)

class NWItem():

    MAX_DEPTH = 8

    def __init__(self):

        self.itemName    = ""
        self.itemHandle  = None
        self.parHandle   = None
        self.itemOrder   = None
        self.itemType    = nwItemType.NONE
        self.itemClass   = nwItemClass.NONE
        self.itemDepth   = None
        self.hasChildren = False
        self.isExpanded  = False

        self.wordCount   = None
        self.sentCount   = None
        self.paraCount   = None

        return

    ##
    #  XML Pack
    ##

    def packXML(self, xParent):
        xPack = etree.SubElement(xParent,"item",attrib={
            "handle" : str(self.itemHandle),
            "parent" : str(self.parHandle),
            "order"  : str(self.itemOrder),
        })
        xSub = self._subPack(xPack,"name",      text=str(self.itemName))
        xSub = self._subPack(xPack,"type",      text=str(self.itemType.name))
        xSub = self._subPack(xPack,"class",     text=str(self.itemClass.name))
        xSub = self._subPack(xPack,"depth",     text=str(self.itemDepth))
        xSub = self._subPack(xPack,"children",  text=str(self.hasChildren))
        xSub = self._subPack(xPack,"expanded",  text=str(self.isExpanded))
        xSub = self._subPack(xPack,"wordCount", text=str(self.wordCount), none=False)
        xSub = self._subPack(xPack,"sentCount", text=str(self.sentCount), none=False)
        xSub = self._subPack(xPack,"paraCount", text=str(self.paraCount), none=False)
        return xPack

    def _subPack(self, xParent, name, attrib=None, text=None, none=True):
        if not none and (text == None or text == "None"):
            return None
        xSub = etree.SubElement(xParent,name,attrib=attrib)
        if text is not None:
            xSub.text = text
        return xSub

    ##
    #  Settings Wrapper
    ##

    def setFromTag(self, tagName, tagValue):
        logger.verbose("Setting tag '%s' to value '%s'" % (tagName, str(tagValue)))
        if   tagName == "name":      self.setName(tagValue)
        elif tagName == "order":     self.setOrder(tagValue)
        elif tagName == "type":      self.setType(tagValue)
        elif tagName == "class":     self.setClass(tagValue)
        elif tagName == "depth":     self.setDepth(tagValue)
        elif tagName == "children":  self.setChildren(tagValue)
        elif tagName == "expanded":  self.setExpanded(tagValue)
        elif tagName == "wordCount": self.setWordCount(tagValue)
        elif tagName == "sentCount": self.setSentCount(tagValue)
        elif tagName == "paraCount": self.setParaCount(tagValue)
        else:
            logger.error("Unknown tag '%s'" % tagName)
        return

    ##
    #  Set Item Values
    ##

    def setName(self, theName):
        self.itemName = theName.strip()
        return

    def setHandle(self, theHandle):
        self.itemHandle = theHandle
        return

    def setParent(self, theParent):
        self.parHandle = theParent
        return

    def setOrder(self, theOrder):
        self.itemOrder = theOrder
        return

    def setType(self, theType):
        if isinstance(theType, nwItemType):
            self.itemType = theType
        else:
            for itemType in nwItemType:
                if theType == itemType.name:
                    self.itemType = itemType
                    return
        logger.error("Unrecognised item type '%s'" % theType)
        self.itemType = nwItemType.NONE
        return

    def setClass(self, theClass):
        if isinstance(theClass, nwItemClass):
            self.itemClass = theClass
        else:
            for itemClass in nwItemClass:
                if theClass == itemClass.name:
                    self.itemClass = itemClass
                    return
        logger.error("Unrecognised item class '%s'" % theClass)
        self.itemClass = nwItemClass.NONE
        return

    def setDepth(self, theDepth):
        theDepth = self._checkInt(theDepth,-1)
        if theDepth >= 0 and theDepth <= self.MAX_DEPTH:
            self.itemDepth = theDepth
        else:
            logger.error("Invalid item depth %d" % theDepth)
        return

    def setChildren(self, hasChildren):
        self.hasChildren = hasChildren
        return

    def setExpanded(self, expState):
        if isinstance(expState, str):
            self.isExpanded = expState == str(True)
        else:
            self.isExpanded = expState
        return

    ##
    #  Set Stats
    ##

    def setWordCount(self, theCount):
        theCount = self._checkInt(theCount,None,True)
        self.wordCount = theCount
        return

    def setSentCount(self, theCount):
        theCount = self._checkInt(theCount,None,True)
        self.sentCount = theCount
        return

    def setParaCount(self, theCount):
        theCount = self._checkInt(theCount,None,True)
        self.paraCount = theCount
        return

    ##
    #  Internal Functions
    ##

    def _checkInt(self,checkValue,defaultValue,allowNone=False):
        if allowNone:
            if checkValue == None:   return None
            if checkValue == "None": return None
        try:
            return int(checkValue)
        except:
            return defaultValue

# END Class NWItem