import FSM
import utils as u
import menus as m
import pygame
from itertools import cycle
import glob
import os

#====================================     

State = type("State", (object,), {})
#====================================     
class State(object):
	def __init__(self, FSM):
		self.FSM = FSM
	def Enter(self):
		pass
	def Execute(self):
		pass
	def Exit(self):
		pass

class SelectFolder(State):
	def __init__(self,FSM):
		super(SelectFolder, self).__init__(FSM)    
		
	def Enter(self):
		o = self.FSM.owner
		o.header_text = "Select Folder"
		o.pub.register("beat", self)
		self.cur_el = 0
		
		files = u.get_files(o.song_dir, '.zzz')
		files_trimmed = [os.path.basename(x) for x in files]
		files_trimmed = [os.path.splitext(x)[0] for x in files_trimmed]
		print('files trimmed ', files_trimmed)
		files_trimmed.insert(0, '..')
		self.menu = files_trimmed
		if '_blank' in self.menu:
			self.menu.remove('_blank')

		if o.keyState[16] > 0 or o.keyState[17] > 0:
			pass
		else:
			u.draw_header(o)
			self.draw_main(o)			
			
			o.update_display(0)
		super(SelectFolder, self).Enter()    

	def Execute(self):

		#print('doing select folder')
		o = self.FSM.owner 
		#u.draw_header(o)
		#o.update_display(0)
		m.menu1_actions(self, o)
		if o.keyState[16] == 1:
			m.draw_menu1(o)
			o.update_display(0)
		elif o.keyState[16] == 4:
			u.draw_header(o)
			self.draw_footer(o)
			self.draw_main(o)
			o.update_display(0)

		if o.keyState[17] == 4:
			u.draw_header(o)
			self.draw_footer(o)
			self.draw_main(o)
			o.update_display(0)

		if o.keyState[0] == 1 or o.keyState[0] == 3 or o.keyState[1] == 1 or o.keyState[1] == 3 or o.keyState[2] == 1 or o.keyState[2] == 3 or o.keyState[3] == 1 or o.keyState[3] == 3:
			u.draw_header(o)
			self.draw_footer(o)
			self.draw_main(o)
			o.update_display(0)	
			

		if o.keyState[16] > 0 or o.keyState[17] > 0:

			pass
		else:
			u.scroll_ud(o, self)
			# if o.keyState[0] == 1:
			# 	if self.cur_el > 0:
			# 		self.cur_el -= 1
			# 		print('cur el down is ', self.cur_el)

			# if o.keyState[1] == 1:
			# 	if self.cur_el < (len(self.menu) - 1):
			# 		self.cur_el += 1
			# 		print('cur el up is ', self.cur_el)

			if o.keyState[2] == 1:
				print('old song dir is ', o.song_dir)
				print('new song dir is ', self.menu[self.cur_el])
				self.FSM.ToTransition('toEnterText')

			if o.keyState[3] == 1:
				if self.menu[self.cur_el] == '..':
					print('move up dir')
					if o.song_dir == o.base_song_dir:
						pass
					else:
						print('old song dir ', o.song_dir)
						o.song_dir = os.path.dirname(os.path.dirname(o.song_dir))
						o.song_dir += '/'
						print('new song dir ', o.song_dir)
						files = u.get_files(o.song_dir, '.zzz')
						files_trimmed = [os.path.basename(x) for x in files]
						files_trimmed = [os.path.splitext(x)[0] for x in files_trimmed]
						print('files trimmed ', files_trimmed)
						files_trimmed.insert(0, '..')
						self.menu = files_trimmed
						if '_blank' in self.menu:
							self.menu.remove('_blank')
						u.draw_header(o)
						
						self.draw_footer(o)
						self.draw_main(o)
						o.update_display(0)			

				elif os.path.isdir(o.song_dir + self.menu[self.cur_el]):
					o.song_dir += self.menu[self.cur_el] + '/'
					print('new song dir is ', o.song_dir)
					
					files = u.get_files(o.song_dir, '.zzz')
					files_trimmed = [os.path.basename(x) for x in files]
					files_trimmed = [os.path.splitext(x)[0] for x in files_trimmed]
					print('files trimmed ', files_trimmed)
					files_trimmed.insert(0, '..')
					self.menu = files_trimmed
					if '_blank' in self.menu:
						self.menu.remove('_blank')
					u.draw_header(o)
					
					self.draw_footer(o)
					self.draw_main(o)
					o.update_display(0)			

				else:
					pass
					#o.mconf['default_song'] = self.menu[self.cur_el]
					#o.save_config()
					#o.load_song()

	def draw_main(self, o):
		al = []
		ypos = 30


		if self.cur_el > (len(self.menu) - 1):
			self.cur_el = 0
		if self.cur_el == 0:
			_iter = 0
			while _iter < 4:
				if _iter < (len(self.menu)):
					al.append(self.menu[_iter])
				_iter += 1

		# print('cur el ', self.cur_el)
		# if self.cur_el > (len(self.menu) - 1):
		# 	self.cur_el = 0
		# if self.cur_el == 0:
		# 	_iter = 0
		# 	while _iter < 4:
		# 		if _iter < (len(self.menu)):
		# 			al.append(self.menu[_iter])
				
		#		_iter += 1
		elif self.cur_el == 1:
			al.append(self.menu[self.cur_el - 1])
			al.append(self.menu[self.cur_el])
			al.append(self.menu[self.cur_el + 1])
			al.append(self.menu[self.cur_el + 2])
		elif self.cur_el == (len(self.menu) - 2):
			al.append(self.menu[self.cur_el - 2])
			al.append(self.menu[self.cur_el - 1])
			al.append(self.menu[self.cur_el])
			al.append(self.menu[self.cur_el + 1])
		elif self.cur_el == (len(self.menu) - 1):
			al.append(self.menu[self.cur_el - 3])
			al.append(self.menu[self.cur_el - 2])
			al.append(self.menu[self.cur_el - 1])
			al.append(self.menu[self.cur_el])
		else:
			al.append(self.menu[self.cur_el - 1])
			al.append(self.menu[self.cur_el])
			al.append(self.menu[self.cur_el + 1])
			al.append(self.menu[self.cur_el + 2])
		_iter = 0 
		for i in al:
			
			if i == self.menu[self.cur_el]:
			#if _iter == self.cur_el:
				if os.path.isdir(o.song_dir + i):
					i += "/"
				o.draw.rectangle((0, ypos, o.width, ypos + 20), outline=0, fill=o.light_grey)
				o.center_block(i, o.h2, [0, ypos, o.width,ypos + 20], o.blue)
			else:
				if os.path.isdir(o.song_dir + i):
					i += "/"
				o.draw.rectangle((0, ypos, o.width, ypos + 20), outline=0, fill=o.blue)
				o.center_block(i, o.h2, [0, ypos, o.width,ypos + 20], o.light_grey)
			ypos += 20
			_iter += 1		    

	def draw_footer(self, o):
		_iter = 0
		width = o.width / 4
		xpos = 0
		yposa = 135 - 25
		yposb = 135
		opts = ["Up", "Down", "Use", "Open"]
		while _iter < 4:
			o.draw.rectangle((xpos, yposa, xpos + width, yposb), outline=0, fill=o.blue)
			
			if o.keyState[_iter] == 1:
				o.draw.rectangle((xpos, yposa, xpos + width, yposb), outline=0, fill=o.light_grey)
				o.center_block(opts[_iter], o.h2, [xpos,yposa,xpos + width,yposb], o.blue)
			else:
				o.center_block(opts[_iter], o.h2, [xpos,yposa,xpos + width,yposb], o.light_grey)
			
			xpos += width
			_iter += 1
		

	def ReceiveMessage(self, message):
		o = self.FSM.owner 
		u.play_seq(o, message)
		
	def Exit(self):
		print('why the fuck are we leaving')
		self.FSM.owner.pub.unregister("beat", self)