import curses
import sys
import threading
from maps import Map
from chunks import ChunkPool

# import fron chunks, maps, clientchunkpool

class Client():
	def __init__(self, address):
		self.stopping = False
		
		self.address = address
		self.drawevent = threading.Event()
		self.pool = ChunkPool()
		#self.map_ = Map(sizex, sizey, self.pool)
		#self.chunkmap = Chunkmap(sizex, sizey, self.pool) # size changeable by +/-?
		
		#self.sock = socket.Socket(...)
	
	def launch(self, stdscr):
		sizey, sizex = stdscr.getmaxyx()
		self.map_ = Map(sizex, sizey, self.pool, self.drawevent)
		
		# start input thread
		self.inputthread = threading.Thread(
			target=self.input_thread,
			name="inputthread",
			args=(stdscr,),
			daemon=True
		)
		self.inputthread.start()
		
		while not self.stopping:
			self.drawevent.wait()
			stdscr.noutrefresh()
			with self.map_ as m:
				m.draw()
			curses.doupdate()
			self.drawevent.clear()
	
	def input_thread(self, scr):
		while True:
			i = scr.getkey()
			
			if   i == "q": self.stop()
			elif i == "r": self.map_.redraw()
			# normal cursor movement
			elif i == "KEY_UP":     self.map_.move_cursor(0, -1)
			elif i == "KEY_DOWN":   self.map_.move_cursor(0, 1)
			elif i == "KEY_LEFT":   self.map_.move_cursor(-1, 0)
			elif i == "KEY_RIGHT":  self.map_.move_cursor(1, 0)
			# quick cursor movement (5 vertical, 10 horizontal)
			elif i == "KEY_SR":     self.map_.move_cursor(0, -5)
			elif i == "KEY_SF":     self.map_.move_cursor(0, 5)
			elif i == "KEY_SLEFT":  self.map_.move_cursor(-10, 0)
			elif i == "KEY_SRIGHT": self.map_.move_cursor(10, 0)
			# scrolling the map (10 vertical, 20 horizontal)
			elif i == "kUP5":  self.map_.scroll(0, -10)
			elif i == "kDN5":  self.map_.scroll(0, 10)
			elif i == "kLFT5": self.map_.scroll(-20, 0)
			elif i == "kRIT5": self.map_.scroll(20, 0)
			
			else: sys.stdout.write(repr(i) + "\n")
	
	def stop(self):
		self.stopping = True
		self.drawevent.set()

def main(argv):
	if len(argv) != 2:
		print("Usage:")
		print("  {} address".format(argv[0]))
		return
	
	client = Client(argv[1])
	curses.wrapper(client.launch)

if __name__ == "__main__":
	main(sys.argv)