import characters as char
import items as item
import random as ran
import time


class Room(object):
    def __init__(self, name, description, north, south, east, west):
        self.name = name
        self.desc = description
        self.north = north
        self.south = south
        self.east = east
        self.west = west

    def move(self, direction):
        global current
        current = globals()[getattr(self, direction)]
        print(current.name + '\n' + current.desc)


# Extra Variables
wait = time.sleep
_low = str.lower
_isi = isinstance
_nil = []


mid_hall_desc = "You see a light at the end of the hallway."
corner_desc = "You are at the end of the hallway. There is a way in every direction."
s_bridge_desc = "You are at the start of a bridge."
elevator_desc = "You step into the elevator, but upon stepping into it, you feel very unstable."
e_bridge_desc = "You are at the end of the bridge."
auth_desc = "You are in front of a small military building."
in_desc = "You are inside of the small military building."
cam_desc = "Numerous amounts of screens, viewing every room that you've been in.\nEven the one you're in right now ..."
pain_desc = "смерть неизбежна"

# Room Instantiation

# West Map
light_room = Room("Light Room", "You are in a room with a dimly lit light above.", None, None, None, "hallway")
hallway = Room("Hallway", "You are in a dark hallway.", None, "mid_hallway", "light_room", "elevator")
mid_hallway = Room("Hallway", mid_hall_desc, "hallway", "corner", "dark_room2", "lift")
elevator = Room("Elevator", elevator_desc, None, None, "hallway", None)
dark_room = Room("Dark Room", "You are in a room with no light.", None, None, "mid_hallway", None)
dark_room2 = Room("Dark Room", "You are in a room with no light.", None, None, None, "mid_hallway")

corner = Room("End of Hallway", corner_desc, "mid_hallway", "stairs", "start_bridge", "closet")

# Intersection
closet = Room("Closet", "You enter a small closet.", None, None, "corner", None)

# South Map
lounge = Room("Lounge Area", "You are in, what seems like, a hangout spot.", "stairs", None, "hole", "bar")
bar = Room("Bar", "You are in a small bar.", None, None, "lounge", None)
hole = Room("Hole", "You are in front of a deeply dug hole.", "pit", None, "in_hole", None)
in_hole = Room("Inside of Hole", "You are in a pile of rotten screech corpses.", None, None, None, "hole")
pit = Room("Pit of Garbage", "You are in front of a pit of garbage.", "start_bridge", "hole", "in_pit", None)
in_pit = Room("Inside of Pit", "You step into the pile of trash.", None, None, None, "pit")

# Middle Map
start_bridge = Room("Start of Bridge", s_bridge_desc, None, "pit", "bridge", "corner")
bridge = Room("Bridge", "You are at the middle of the bridge.", None, None, "end_bridge", "start_bridge")
end_bridge = Room("End of Bridge", e_bridge_desc, None, None, "authority", "bridge")

# East Map
authority = Room("Front of Military Building", auth_desc, "alley", "cliff", "inside", "end_bridge")
alley = Room("Alley Way", "You are in a dark alley way.", None, "authority", "cliff", None)
inside = Room("Inside of Military Building", in_desc, "camera", "locker", "hatch", "authority")
camera = Room("Camera Room", cam_desc, "pain", inside, None, None)
pain = Room("боль", pain_desc, None, "camera", None, None)
locker = Room("Locker Room", "You are in a locker room, with 5 different rows.", "inside", "row1", None, None)
row1 = Room("Row One", "You are in the first row in the locker room.", "locker", "row2", None, None)
row2 = Room("Row Two", "You are in the second row in the locker room.", "row1", "row3", None, None)
row3 = Room("Row Three", "You are in the third row in the locker room.", "row2", "row4", None, None)
row4 = Room("Row Four", "You are in the fourth row in the locker room.", "row3", "row5", None, None)
row5 = Room("Row Five", "You are in the fifth row in the locker room.", "row4", None, None, None)
hatch = Room("Hatch Room", "You are in a small room with only a hatch on the floor", None, None, None, "inside")

# Item Instantiation
expired_beans = item.BadFood("Expired Beans", "A can of expired beans.", light_room, False, 15, 10)
water_bottle = item.Beverage("Water Bottle", "A clear bottle of water.", light_room, False, 25)
rusty_nail = item.BadMelee("Rusty Nail", "A short, bent, rusty nail.", light_room, False, 15, 15, False)
plastic_bag = item.Bag("Plastic Bag", "A tiny plastic bag used for storage.", light_room, False, 5, False)

# Enemy Items
s_body1 = item.BadFood("Screech Arm", "A skinny arm, with bloody white meat.", mid_hallway, True, 20, 25)
s_body2 = item.BadFood("Screech Leg", "A skinny leg, with bloody white meat.", lounge, True, 25, 30)

item_list = [expired_beans, water_bottle, rusty_nail, plastic_bag, s_body1, s_body2]

# Enemy Instantiation
screech = char.Enemy("Screech", "A limping humanoid with a gaping mouth.", 50, mid_hallway, s_body1)
screech2 = char.Enemy("Screech", "A limping humanoid with a gaping mouth.", 50, lounge, s_body2)
enemy_list = [screech, screech2]


def put(__item):
    item_list.remove(_item)
    item_list.append(__item)


# Player Variables
health = 100
hunger = 50
thirst = 50
room = 5
starving = False
thirsty = False
inventory = []
current = light_room
weapon = None
backpack = None


# Functions
def eat(command, _item, hp, hg):
    if _low(_item.name) in command:
        if _isi(_item, item.BadFood):
            hp -= _item.health
            hg += _item.hunger
            print("You ate the %s, but it didn't taste so good." % _item.name)
        elif _isi(_item, item.Food):
            hg += _item.hunger
            print("You ate the %s." % _item.name)


def take(command, _item):
    _b = item.BadMelee
    _m = item.Melee
    _bg = item.Bag
    _bp = item.Backpack
    _hbp = item.HeavyBackpack
    if _low(_item.name) in command and _item.room is current and not _item.pick:
        item_list.remove(_item)
        inventory.append(_item)
        _item.pick = True
        if _isi(_item, _b) or _isi(_item, _m) or _isi(_item, _bg) or _isi(_item, _bp) or _isi(_item, _hbp):
            print("You took the %s, but you need to equip it before you can use it." % _low(_item.name))
        else:
            print("You took the %s" % _low(_item.name))


def drop(command, _item):
    if _low(_item.name) in command and _item.pick:
        inventory.remove(_item)
        item_list.append(_item)
        _item.pick = False
        print("You dropped the %s" % _low(_item.name))


def view_room():
    items = False
    print(current.name + '\n' + current.desc)
    for __item in item_list:
        if __item.room is current:
            items = True
    if items:
        print("There are items in the room.")


def view_items(_item):
    if _item.room is current:
        print(' - ' + _item.name)


def use(command, _item):
    if _low(_item.name) in command:
        if not _item.used:
            if _isi(_item, item.BadMelee) or _isi(_item, item.Melee):
                _item.used = True
                print("You equipped the %s" % _low(_item.name))
            elif _isi(_item, item.Bag) or _isi(_item, item.Backpack) or _isi(_item, item.HeavyBackpack):
                _item.used = True
                print("You wore the %s" % _low(_item.name))
        else:
            print("You cannot do that now.")


def remove(command, _item):
    if _low(_item.name) in command:
        if _item.used:
            _item.used = False
            print("You removed the %s" % _low(_item.name))
        else:
            print("You cannot remove that")


def view_statistics():
    print("Your current health is %d\nYour current hunger is %d" % (health, hunger))
    print("Your current thirst is %d\nYour current inventory space is %d" % (thirst, room))
    if backpack is not None:
        print("Your current backpack is : %s" % backpack.name)
    if weapon is not None:
        print("Your current weapon is : %s" % weapon.name)


def view_inventory(_item):
    if _item.used:
        print(' - ' + _item.name + ' [USING]')
    else:
        print(' - ' + _item.name)


directions = ['north', 'south', 'east', 'west']
short = ['n', 's', 'e', 'w']


def move(direction):
    try:
        current.move(direction)
    except KeyError:
        print("You can't move that way.")


def attack(command, health, plr_weapon):
    accuracy = ran.randint(0, 2)
    if _low(enemy.name) in command and enemy.room is current:
        if weapon is not None and accuracy > 0:
            enemy.health -= weapon.damage
            print("You attacked %s." % enemy.name)
        elif accuracy is 0:
            print("You missed!\nThe %s took advantage and attacked you." % _low(enemy.name))
            health -= ran.randint(10, 20)
        elif weapon is None:
            print("You have no weapon to attack with, so you freeze out of fear.")
            wait(1)
            print("The %s sees your fear, and takes advantage." % _low(enemy.name))
            wait(1)
            print("The %s cracked your skull open." % _low(enemy.name))
            health -= health
    if enemy.health <= 0:
        print("You killed %s with your %s" % (_low(enemy.name), _low(plr_weapon.name)))


while True:
    if hunger is 0:
        health -= 5
    if thirst is 0:
        health -= 5
    attack_accuracy = ran.randint(0, 2)
    cmd = _low(input('> ')).strip()
    if cmd in directions:
        if hunger < 0:
            hunger = 0
        if thirst < 0:
            thirst = 0
        move(cmd)
    if cmd == 'quit':
        quit(0)
    elif cmd in short:
        pos = short.index(cmd)
        move(directions[pos])
    elif cmd == 'look' or cmd == 'room':
        view_room()
    elif cmd == 'inventory':
        for _item in inventory:
            view_inventory(_item)
    elif cmd == "items":
        for _item in item_list:
            view_items(_item)
    elif cmd == 'stats' or cmd == 'statistics':
        view_statistics()
    elif 'take' in cmd:
        for _item in item_list:
            take(cmd, _item)
    elif 'drop' in cmd:
        for _item in inventory:
            drop(cmd, _item)
    elif 'eat' in cmd:
        for _item in inventory:
            eat(cmd, _item, health, hunger)
    elif 'use' in cmd:
        w = weapon
        b = backpack
        for _item in inventory:
            if _isi(_item, item.BadMelee) or _isi(_item, item.Melee):
                use(cmd, _item)
            elif _isi(_item, item.Bag) or _isi(_item, item.Backpack) or _isi(_item, item.HeavyBackpack):
                use(cmd, _item)
    elif 'remove' in cmd:
        w = weapon
        b = backpack
        bm = item.BadMelee
        m = item.Melee
        bg = item.Bag
        bp = item.Backpack
        hbp = item.HeavyBackpack
        for _item in inventory:
            if _isi(_item, bm) or _isi(_item, m) or _isi(_item, bg) or _isi(_item, bp) or _isi(_item, hbp):
                remove(cmd, _item)
    elif 'attack' in cmd:
        for enemy in enemy_list:
            if enemy.room is current:
                hp = health
                attack(cmd, hp, weapon)
    if health is 0:
        print("Too much damage has been inflicted on you.")
        wait(1)
        print("You are dead.")
        break