from enigma import *
from Screens.Screen import Screen
from Screens.MessageBox import MessageBox
from Components.ActionMap import ActionMap, NumberActionMap
from Components.ScrollLabel import ScrollLabel
from Components.Label import Label
from Components.GUIComponent import *
from Components.MenuList import MenuList
from Components.Input import Input
from Screens.Console import Console
from Plugins.Plugin import PluginDescriptor

import os

class Upgrade(Screen):
	skin = """
		<screen position="100,100" size="550,400" title="IPKG upgrade..." >
			<widget name="text" position="0,0" size="550,400" font="Regular;15" />
		</screen>"""
		
	def __init__(self, session, args = None):
		self.skin = Upgrade.skin
		Screen.__init__(self, session)

		self["text"] = ScrollLabel(_("Please press OK!"))
				
		self["actions"] = ActionMap(["WizardActions"], 
		{
			"ok": self.go,
			"back": self.close,
			"up": self["text"].pageUp,
			"down": self["text"].pageDown
		}, -1)
		
		self.update = True
		self.delayTimer = eTimer()
		self.delayTimer.timeout.get().append(self.doUpdateDelay)
		
	def go(self):
		if self.update:
			self.session.openWithCallback(self.doUpdate, MessageBox, _("Do you want to update your Dreambox?\nAfter pressing OK, please wait!"))		
		else:
			self.close()
	
	def doUpdateDelay(self):
		lines = os.popen("ipkg update && ipkg upgrade -force-defaults -force-overwrite", "r").readlines()
		string = ""
		for x in lines:
			string += x
		self["text"].setText(_("Updating finished. Here is the result:") + "\n\n" + string)
		self.update = False
			
	
	def doUpdate(self, val = False):
		if val == True:
			self["text"].setText(_("Updating... Please wait... This can take some minutes..."))
			self.delayTimer.start(0, 1)
		else:
			self.close()

RT_HALIGN_LEFT = 0
RT_HALIGN_RIGHT = 1
RT_HALIGN_CENTER = 2
RT_HALIGN_BLOCK = 4

RT_VALIGN_TOP = 0
RT_VALIGN_CENTER = 8
RT_VALIGN_BOTTOM = 16

def PacketEntryComponent(packet):
	res = [ packet ]
	
	res.append((eListboxPythonMultiContent.TYPE_TEXT, 0, 0,250, 30, 0, RT_HALIGN_LEFT|RT_VALIGN_CENTER, packet[0]))
	res.append((eListboxPythonMultiContent.TYPE_TEXT, 250, 0, 200, 30, 1, RT_HALIGN_LEFT|RT_VALIGN_CENTER, packet[1]))
	res.append((eListboxPythonMultiContent.TYPE_TEXT, 450, 0, 100, 30, 1, RT_HALIGN_LEFT|RT_VALIGN_CENTER, packet[2]))
	return res

class PacketList(GUIComponent):
	def __init__(self, list):
		GUIComponent.__init__(self)
		self.l = eListboxPythonMultiContent()
		self.l.setList(list)
		self.l.setFont(0, gFont("Regular", 20))
		self.l.setFont(1, gFont("Regular", 18))
	
	def getCurrent(self):
		return self.l.getCurrentSelection()
	
	def GUIcreate(self, parent):
		self.instance = eListbox(parent)
		self.instance.setContent(self.l)
		self.instance.setItemHeight(30)
	
	def GUIdelete(self):
		self.instance.setContent(None)
		self.instance = None

	def invalidate(self):
		self.l.invalidate()

class Ipkg(Screen):
	skin = """
		<screen position="100,100" size="550,400" title="IPKG upgrade..." >
			<widget name="list" position="0,0" size="550,400" scrollbarMode="showOnDemand" />
		</screen>"""
		
	def __init__(self, session, args = None):
		self.skin = Ipkg.skin
		Screen.__init__(self, session)
	
		list = []
		self.list = list
		self.fillPacketList()

		self["list"] = PacketList(self.list)
				
		self["actions"] = ActionMap(["WizardActions"], 
		{
			"ok": self.close,
			"back": self.close
		}, -1)
		

	def fillPacketList(self):
		lines = os.popen("ipkg list", "r").readlines()
		packetlist = []
		for x in lines:
			split = x.split(' - ')
			packetlist.append([split[0].strip(), split[1].strip()])
		
		lines = os.popen("ipkg list_installed", "r").readlines()
		
		installedlist = {}
		for x in lines:
			split = x.split(' - ')
			installedlist[split[0].strip()] = split[1].strip()
		
		for x in packetlist:
			status = ""
			if installedlist.has_key(x[0]):
				if installedlist[x[0]] == x[1]:
					status = "installed"
				else:
					status = "upgradable"
			self.list.append(PacketEntryComponent([x[0], x[1], status]))
		
	def go(self):
		if self.update:
			self.session.openWithCallback(self.doUpdate, MessageBox, _("Do you want to update your Dreambox?\nAfter pressing OK, please wait!"))		
		else:
			self.close()
	
	def doUpdateDelay(self):
		lines = os.popen("ipkg update && ipkg upgrade", "r").readlines()
		string = ""
		for x in lines:
			string += x
		self["text"].setText(_("Updating finished. Here is the result:") + "\n\n" + string)
		self.update = False
			
	
	def doUpdate(self, val = False):
		if val == True:
			self["text"].setText(_("Updating... Please wait... This can take some minutes..."))
			self.delayTimer.start(0, 1)
		else:
			self.close()

def UpgradeMain(session, **kwargs):
	session.open(Upgrade)

def IpkgMain(session, **kwargs):
	session.open(Ipkg)

def Plugins(**kwargs):
	return [PluginDescriptor(name="Old Softwareupdate", description="Updates your receiver's software", icon="update.png", where = PluginDescriptor.WHERE_PLUGINMENU, fnc=UpgradeMain),
			PluginDescriptor(name="IPKG", description="IPKG frontend", icon="update.png", where = PluginDescriptor.WHERE_PLUGINMENU, fnc=IpkgMain)]