#!/usr/bin/env python3
import string
import sys
import os
import time
import asyncio
from Tomato import Tomato
from Cucumber import Cucumber
from Plant import Plant
from Trac import Trac

string.ascii_letters = 'oOpPx'
string.ascii_numbers = '01'
OKGREEN = '\033[92m'
OKBLUE = '\033[94m'
OKRED = '\033[91m'
ENDC = '\033[0m'


def initialize_field():
    field = []
    for i in range(11):
        row = []
        for j in range(7):
            if i == 0 or i == 10 or j == 0 \
            or j == 3 or j == 6:
                row.append(None)
            elif j < 3:
                row.append(Cucumber())
            else:
                row.append(Tomato())
        field.append(row)
    return field


def print_field(field, tractor):
    if sys.platform == "win32":
        os.system("cls")
    else:
        os.system("clear")
    print(tractor.get_position())
    sys.stdout.write(OKBLUE)
    sys.stdout.write("$")
    sys.stdout.write(" ")
    sys.stdout.write("\n")

    for x, row in enumerate(field):
        for y, i in enumerate(row):
            if not i:
                if tractor.get_position()[0] == x \
                   and tractor.get_position()[1] == y:
                    sys.stdout.write(OKBLUE)
                    sys.stdout.write(tractor.get_symbol())
                    sys.stdout.write(" ")
                else:
                    sys.stdout.write("  ")
            else:
                symbol = i.get_symbol()
                if symbol[1] == "green":
                    sys.stdout.write(OKGREEN)
                    sys.stdout.write(symbol[0])
                    sys.stdout.write(" ")
                else:
                    sys.stdout.write(OKRED)
                    sys.stdout.write(symbol[0])
                    sys.stdout.write(" ")

        sys.stdout.write("\n")

def update_state(field):
    for row in field:
        for i in row:
            if i:
                i.tick(1)

def try_move(field, tractor):
    x = tractor.get_position()[0]
    y = tractor.get_position()[1]
    rotation = tractor.get_rotation()
    if rotation == 'N':
        x -= 1
    elif rotation == 'S':
        x += 1
    elif rotation == 'W':
        y -= 1
    else:
        y += 1
    if x >= 0 and x < len(field) \
       and y >= 0 and y < len(field[0]) \
       and not field[x][y]:
        # print(str(x) + " " + str(y))
        return True
    return False

def test_cords(cord, len1, len2):
    if cord[0] > -1 and cord[0] < len1 \
        and cord[1] > -1 and cord[1] < len2:
        return  True
    return False


def look_at_plats(field, location):
    wsp = [
            (location[0] + 1, location[1]),
            (location[0] - 1, location[1]),
            (location[0], location[1] - 1),
            (location[0], location[1] + 1)
           ]
    len1 = len(field)
    len2 = len(field[0])
    wsp = [l if test_cords(l, len1, len2) else None for l in wsp]
    plants = []
    for i in wsp:
        if i and field[i[0]][i[1]]:
            plants.append(i)
    return plants


def send_stats(field, location):
    x = location[0]
    y = location[1]
    stats = field[x][y].get_stats()
    str_stats = str(stats["ttl"]) + " " + str(stats["is_alive"]) + " " + str(stats["hydration"]) + " " \
                + str(stats["soil_level"]) + " " + str(stats["ready"]) + " " + str(stats["name"]) + "\n"
    return str_stats


if __name__ == "__main__":

    field = initialize_field()
    tractor = Trac('N', (0,0))

    async def handle_echo(reader, writer):
        data = await reader.readline()
        message = data.decode().split()

        if message[0] == "rotate":
            tractor.set_rotation(message[1])
            writer.write("OK\n".encode())
        elif message[0] == "try":
            if try_move(field, tractor):
                writer.write("OK\n".encode())
            else:
                writer.write("FAIL\n".encode())
        elif message[0] == "move":
            tractor.move()
            writer.write(("OK\n").encode())
        elif message[0] == "look_at_plants":
            plants = look_at_plats(field, (int(message[1]), int(message[2])))
            plants_str = ""
            for i in plants:
                plants_str += (" " + str(i[0]) + " " + str(i[1]))
            writer.write((plants_str + "\n").encode())
        elif message[0] == "stats":
            x = int(message[1])
            y = int(message[2])
            stats = send_stats(field, (x, y)).encode()
            writer.write(stats)
        elif message[0] == "inc_soil":
            x = int(message[1])
            y = int(message[2])
            field[x][y].increase_soillevel(field[x][y].max_soil_lvl - field[x][y].soil_level)
        elif message[0] == "inc_hydration":
            x = int(message[1])
            y = int(message[2])
            field[x][y].increase_hydration(field[x][y].max_hydration_lvl - field[x][y].hydration)
        elif message[0] == "dec_ttl":
            x = int(message[1])
            y = int(message[2])
            field[x][y].decrease_ttl(0)


        print_field(field, tractor)
        # print(tractor.get_position().get_x())
        # print(tractor.get_position().get_y())
        # print(tractor.get_rotation())
        update_state(field)
        await writer.drain()

        writer.close()

    async def main():
        server = await asyncio.start_server(
            handle_echo, '127.0.0.1', 8887)

        addr = server.sockets[0].getsockname()

        async with server:
            await server.serve_forever()

    asyncio.run(main())