from HTMLComponent import HTMLComponent
from GUIComponent import GUIComponent

from enigma import eEPGCache, eListbox, eListboxPythonMultiContent, gFont, RT_HALIGN_LEFT, RT_HALIGN_RIGHT, RT_HALIGN_CENTER, RT_VALIGN_CENTER

from Tools.Alternatives import CompareWithAlternatives
from Tools.LoadPixmap import LoadPixmap

from time import localtime, time
from Components.config import config
from ServiceReference import ServiceReference
from Tools.Directories import resolveFilename, SCOPE_CURRENT_SKIN
from skin import parseFont

EPG_TYPE_SINGLE = 0
EPG_TYPE_MULTI = 1
EPG_TYPE_SIMILAR = 2

class Rect:
	def __init__(self, x, y, width, height):
		self.x = x
		self.y = y
		self.w = width
		self.h = height

	# silly, but backward compatible
	def left(self):
		return self.x

	def top(self):
		return self.y

	def height(self):
		return self.h

	def width(self):
		return self.w

class EPGList(HTMLComponent, GUIComponent):
	def __init__(self, type=EPG_TYPE_SINGLE, selChangedCB=None, timer = None):
		self.days = (_("Mon"), _("Tue"), _("Wed"), _("Thu"), _("Fri"), _("Sat"), _("Sun"))
		self.timer = timer
		self.onSelChanged = [ ]
		if selChangedCB is not None:
			self.onSelChanged.append(selChangedCB)
		GUIComponent.__init__(self)
		self.type=type
		self.l = eListboxPythonMultiContent()
		self.eventItemFont = gFont("Regular", 22)
		self.eventTimeFont = gFont("Regular", 16)
		self.iconSize = 21
		self.iconDistance = 2
		self.colGap = 10
		self.skinColumns = False
		self.tw = 90
		self.dy = 0

		if type == EPG_TYPE_SINGLE:
			self.l.setBuildFunc(self.buildSingleEntry)
		elif type == EPG_TYPE_MULTI:
			self.l.setBuildFunc(self.buildMultiEntry)
		else:
			assert(type == EPG_TYPE_SIMILAR)
			self.l.setBuildFunc(self.buildSimilarEntry)
		self.epgcache = eEPGCache.getInstance()
		self.clocks = [ LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/epgclock_add.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/epgclock_pre.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/epgclock.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/epgclock_prepost.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/epgclock_post.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zapclock_add.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zapclock_pre.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zapclock.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zapclock_prepost.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zapclock_post.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zaprecclock_add.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zaprecclock_pre.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zaprecclock.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zaprecclock_prepost.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/zaprecclock_post.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repepgclock_add.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repepgclock_pre.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repepgclock.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repepgclock_prepost.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repepgclock_post.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzapclock_add.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzapclock_pre.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzapclock.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzapclock_prepost.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzapclock_post.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzaprecclock_add.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzaprecclock_pre.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzaprecclock.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzaprecclock_prepost.png')),
				LoadPixmap(cached=True, path=resolveFilename(SCOPE_CURRENT_SKIN, 'skin_default/icons/repzaprecclock_post.png')) ]

	def getEventFromId(self, service, eventid):
		event = None
		if self.epgcache is not None and eventid is not None:
			event = self.epgcache.lookupEventId(service.ref, eventid)
		return event

	def getCurrentChangeCount(self):
		if self.type == EPG_TYPE_MULTI and self.l.getCurrentSelection() is not None:
			return self.l.getCurrentSelection()[0]
		return 0

	def getCurrent(self):
		idx=0
		if self.type == EPG_TYPE_MULTI:
			idx += 1
		tmp = self.l.getCurrentSelection()
		if tmp is None:
			return ( None, None )
		eventid = tmp[idx+1]
		service = ServiceReference(tmp[idx])
		event = self.getEventFromId(service, eventid)
		return ( event, service )

	def moveUp(self):
		self.instance.moveSelection(self.instance.moveUp)

	def moveDown(self):
		self.instance.moveSelection(self.instance.moveDown)

	def connectSelectionChanged(func):
		if not self.onSelChanged.count(func):
			self.onSelChanged.append(func)

	def disconnectSelectionChanged(func):
		self.onSelChanged.remove(func)

	def selectionChanged(self):
		for x in self.onSelChanged:
			if x is not None:
				x()
#				try:
#					x()
#				except: # FIXME!!!
#					print "FIXME in EPGList.selectionChanged"
#					pass

	GUI_WIDGET = eListbox

	def postWidgetCreate(self, instance):
		instance.setWrapAround(True)
		instance.selectionChanged.get().append(self.selectionChanged)
		instance.setContent(self.l)

	def preWidgetRemove(self, instance):
		instance.selectionChanged.get().remove(self.selectionChanged)
		instance.setContent(None)

	def recalcEntrySize(self):
		esize = self.l.getItemSize()
		width = esize.width()
		height = esize.height()
		try:
			self.iconSize = self.clocks[0].size().height()
		except:
			pass
		self.space = self.iconSize + self.iconDistance
		self.dy = int((height - self.iconSize)/2.)

		if self.type == EPG_TYPE_SINGLE:
			if self.skinColumns:
				x = 0
				self.weekday_rect = Rect(0, 0, self.gap(self.col[0]), height)
				x += self.col[0]
				self.datetime_rect = Rect(x, 0, self.gap(self.col[1]), height)
				x += self.col[1]
				self.descr_rect = Rect(x, 0, width-x, height)
			else:
				self.weekday_rect = Rect(0, 0, width/20*2-10, height)
				self.datetime_rect = Rect(width/20*2, 0, width/20*5-15, height)
				self.descr_rect = Rect(width/20*7, 0, width/20*13, height)
		elif self.type == EPG_TYPE_MULTI:
			if self.skinColumns:
				x = 0
				self.service_rect = Rect(x, 0, self.gap(self.col[0]), height)
				x += self.col[0]
				self.progress_rect = Rect(x, 8, self.gap(self.col[1]), height-16)
				self.start_end_rect = Rect(x, 0, self.gap(self.col[1]), height)
				x += self.col[1]
				self.descr_rect = Rect(x, 0, width-x, height)
			else:
				xpos = 0
				w = width/10*3
				self.service_rect = Rect(xpos, 0, w-10, height)
				xpos += w
				w = width/10*2
				self.start_end_rect = Rect(xpos, 0, w-10, height)
				self.progress_rect = Rect(xpos, 4, w-10, height-8)
				xpos += w
				w = width/10*5
				self.descr_rect = Rect(xpos, 0, width, height)
		else: # EPG_TYPE_SIMILAR
			if self.skinColumns:
				x = 0
				self.weekday_rect = Rect(0, 0, self.gap(self.col[0]), height)
				x += self.col[0]
				self.datetime_rect = Rect(x, 0, self.gap(self.col[1]), height)
				x += self.col[1]
				self.service_rect = Rect(x, 0, width-x, height)
			else:
				self.weekday_rect = Rect(0, 0, width/20*2-10, height)
				self.datetime_rect = Rect(width/20*2, 0, width/20*5-15, height)
				self.service_rect = Rect(width/20*7, 0, width/20*13, height)

	def gap(self, width):
		return width - self.colGap

	def getClockTypesForEntry(self, service, eventId, beginTime, duration):
		if not beginTime:
			return None
		rec = self.timer.isInTimer(eventId, beginTime, duration, service)
		if rec is not None:
			return rec[1]
		else:
			return None

	def buildSingleEntry(self, service, eventId, beginTime, duration, EventName):
		clock_types = self.getClockTypesForEntry(service, eventId, beginTime, duration)
		r1=self.weekday_rect
		r2=self.datetime_rect
		r3=self.descr_rect
		t = localtime(beginTime)
		res = [
			None, # no private data needed
			(eListboxPythonMultiContent.TYPE_TEXT, r1.x, r1.y, r1.w, r1.h, 0, RT_HALIGN_RIGHT|RT_VALIGN_CENTER, self.days[t[6]]),
			(eListboxPythonMultiContent.TYPE_TEXT, r2.x, r2.y, r2.w, r1.h, 0, RT_HALIGN_RIGHT|RT_VALIGN_CENTER, "%2d.%02d, %02d:%02d"%(t[2],t[1],t[3],t[4]))
		]
		if clock_types:
			for i in range(len(clock_types)):
				res.append((eListboxPythonMultiContent.TYPE_PIXMAP_ALPHATEST, r3.x + i * self.space, r3.y + self.dy, self.iconSize, self.iconSize, self.clocks[clock_types[i]]))
			res.append((eListboxPythonMultiContent.TYPE_TEXT, r3.x + (i + 1) * self.space, r3.y, r3.w, r3.h, 0, RT_HALIGN_LEFT|RT_VALIGN_CENTER, EventName))
		else:
			res.append((eListboxPythonMultiContent.TYPE_TEXT, r3.x, r3.y, r3.w, r3.h, 0, RT_HALIGN_LEFT|RT_VALIGN_CENTER, EventName))
		return res

	def buildSimilarEntry(self, service, eventId, beginTime, service_name, duration):
		clock_types = self.getClockTypesForEntry(service, eventId, beginTime, duration)
		r1=self.weekday_rect
		r2=self.datetime_rect
		r3=self.service_rect
		t = localtime(beginTime)
		res = [
			None,  # no private data needed
			(eListboxPythonMultiContent.TYPE_TEXT, r1.x, r1.y, r1.w, r1.h, 0, RT_HALIGN_RIGHT|RT_VALIGN_CENTER, self.days[t[6]]),
			(eListboxPythonMultiContent.TYPE_TEXT, r2.x, r2.y, r2.w, r1.h, 0, RT_HALIGN_RIGHT|RT_VALIGN_CENTER, "%2d.%02d, %02d:%02d"%(t[2],t[1],t[3],t[4]))
		]
		if clock_types:
			for i in range(len(clock_types)):
				res.append((eListboxPythonMultiContent.TYPE_PIXMAP_ALPHATEST, r3.x + i * self.space, r3.y + self.dy, self.iconSize, self.iconSize, self.clocks[clock_types[i]]))
			res.append((eListboxPythonMultiContent.TYPE_TEXT, r3.x + (i + 1) * self.space, r3.y, r3.w, r3.h, 0, RT_HALIGN_LEFT|RT_VALIGN_CENTER, service_name))
		else:
			res.append((eListboxPythonMultiContent.TYPE_TEXT, r3.x, r3.y, r3.w, r3.h, 0, RT_HALIGN_LEFT|RT_VALIGN_CENTER, service_name))
		return res

	def buildMultiEntry(self, changecount, service, eventId, beginTime, duration, EventName, nowTime, service_name):
		clock_types = self.getClockTypesForEntry(service, eventId, beginTime, duration)
		r1=self.service_rect
		r2=self.progress_rect
		r3=self.descr_rect
		r4=self.start_end_rect
		res = [ None ] # no private data needed
		if clock_types:
			res.append((eListboxPythonMultiContent.TYPE_TEXT, r1.x, r1.y, r1.w - self.space * len(clock_types), r1.h, 0, RT_HALIGN_LEFT|RT_VALIGN_CENTER, service_name))
			for i in range(len(clock_types)):
				res.append((eListboxPythonMultiContent.TYPE_PIXMAP_ALPHATEST, r1.x + r1.w - self.space * (i + 1), r1.y + self.dy, self.iconSize, self.iconSize, self.clocks[clock_types[len(clock_types) - 1 - i]]))
		else:
			res.append((eListboxPythonMultiContent.TYPE_TEXT, r1.x, r1.y, r1.w, r1.h, 0, RT_HALIGN_LEFT|RT_VALIGN_CENTER, service_name))
		if beginTime is not None:
			if nowTime < beginTime:
				begin = localtime(beginTime)
				end = localtime(beginTime+duration)
				res.extend((
					(eListboxPythonMultiContent.TYPE_TEXT, r4.x, r4.y, r4.w, r4.h, 1, RT_HALIGN_CENTER|RT_VALIGN_CENTER, "%02d.%02d - %02d.%02d"%(begin[3],begin[4],end[3],end[4])),
					(eListboxPythonMultiContent.TYPE_TEXT, r3.x, r3.y, self.gap(self.tw), r3.h, 1, RT_HALIGN_RIGHT|RT_VALIGN_CENTER, _("%d min") % (duration / 60)),
					(eListboxPythonMultiContent.TYPE_TEXT, r3.x + self.tw, r3.y, r3.w, r3.h, 0, RT_HALIGN_LEFT, EventName)
				))
			else:
				percent = (nowTime - beginTime) * 100 / duration
				prefix = "+"
				remaining = ((beginTime+duration) - int(time())) / 60
				if remaining <= 0:
					prefix = ""
				res.extend((
					(eListboxPythonMultiContent.TYPE_PROGRESS, r2.x, r2.y, r2.w, r2.h, percent),
					(eListboxPythonMultiContent.TYPE_TEXT, r3.x, r3.y, self.gap(self.tw), r3.h, 1, RT_HALIGN_RIGHT|RT_VALIGN_CENTER, _("%s%d min") % (prefix, remaining)),
					(eListboxPythonMultiContent.TYPE_TEXT, r3.x + self.tw, r3.y, r3.w, r3.h, 0, RT_HALIGN_LEFT, EventName)
				))
		return res

	def queryEPG(self, list, buildFunc=None):
		if self.epgcache is not None:
			if buildFunc is not None:
				return self.epgcache.lookupEvent(list, buildFunc)
			else:
				return self.epgcache.lookupEvent(list)
		return [ ]

	def fillMultiEPG(self, services, stime=-1):
		#t = time()
		test = [ (service.ref.toString(), 0, stime) for service in services ]
		test.insert(0, 'X0RIBDTCn')
		self.list = self.queryEPG(test)
		self.l.setList(self.list)
		#print time() - t
		self.selectionChanged()

	def updateMultiEPG(self, direction):
		#t = time()
		test = [ x[3] and (x[1], direction, x[3]) or (x[1], direction, 0) for x in self.list ]
		test.insert(0, 'XRIBDTCn')
		tmp = self.queryEPG(test)
		cnt=0
		for x in tmp:
			changecount = self.list[cnt][0] + direction
			if changecount >= 0:
				if x[2] is not None:
					self.list[cnt]=(changecount, x[0], x[1], x[2], x[3], x[4], x[5], x[6])
			cnt+=1
		self.l.setList(self.list)
		#print time() - t
		self.selectionChanged()

	def fillSingleEPG(self, service):
		t = time()
		epg_time = t - config.epg.histminutes.getValue()*60
		test = [ 'RIBDT', (service.ref.toString(), 0, epg_time, -1) ]
		self.list = self.queryEPG(test)
		self.l.setList(self.list)
		if t != epg_time:
			idx = 0
			for x in self.list:
				idx += 1
				if t < x[2]+x[3]:
					break
			self.instance.moveSelectionTo(idx-1)
		self.selectionChanged()

	def sortSingleEPG(self, type):
		list = self.list
		if list:
			event_id = self.getSelectedEventId()
			if type == 1:
				list.sort(key=lambda x: (x[4] and x[4].lower(), x[2]))
			else:
				assert(type == 0)
				list.sort(key=lambda x: x[2])
			self.l.invalidate()
			self.moveToEventId(event_id)

	def getSelectedEventId(self):
		x = self.l.getCurrentSelection()
		return x and x[1]

	def moveToService(self,serviceref):
		if not serviceref:
			return
		index = 0
		refstr = serviceref.toString()
		for x in self.list:
			if CompareWithAlternatives(x[1], refstr):
				self.instance.moveSelectionTo(index)
				break
			index += 1

	def moveToEventId(self, eventId):
		if not eventId:
			return
		index = 0
		for x in self.list:
			if x[1] == eventId:
				self.instance.moveSelectionTo(index)
				break
			index += 1

	def fillSimilarList(self, refstr, event_id):
		t = time()
		# search similar broadcastings
		if event_id is None:
			return
		l = self.epgcache.search(('RIBND', 1024, eEPGCache.SIMILAR_BROADCASTINGS_SEARCH, refstr, event_id))
		if l and len(l):
			l.sort(key=lambda x: x[2])
		self.l.setList(l)
		self.selectionChanged()
		print time() - t

	def applySkin(self, desktop, parent):
		def warningWrongSkinParameter(string):
			print "[EPGList] wrong '%s' skin parameters" % string
		def setEventItemFont(value):
			self.eventItemFont = parseFont(value, ((1,1),(1,1)))
		def setEventTimeFont(value):
			self.eventTimeFont = parseFont(value, ((1,1),(1,1)))
		def setIconDistance(value):
			self.iconDistance = int(value)
		def setIconShift(value):
			self.dy = int(value)
		def setTimeWidth(value):
			self.tw = int(value)
		def setColWidths(value):
			self.col = map(int, value.split(','))
			if len(self.col) == 2:
				self.skinColumns = True
			else:
				warningWrongSkinParameter(attrib)
		def setColGap(value):
			self.colGap = int(value)
		for (attrib, value) in self.skinAttributes[:]:
			try:
				locals().get(attrib)(value)
				self.skinAttributes.remove((attrib, value))
			except:
				pass
		self.l.setFont(0, self.eventItemFont)
		self.l.setFont(1, self.eventTimeFont)
		return GUIComponent.applySkin(self, desktop, parent)
