from telegram import Update, Dice, InlineKeyboardMarkup, InlineKeyboardButton
from telegram.ext import CallbackContext
from datetime import date
from Constants import get_localized_string as l
import Constants as c
import time

autospin_cap = 50
lastreset_default = date(1970, 1, 1)
cash_default = 5000
bet_default = 50
slot_emoji = '🎰'
lang = 'us'

def read_arg(context: CallbackContext, default=None, cast=int):
    try:
        return cast(context.args[0])
    except (TypeError, IndexError, ValueError):
        return default

def set_user_value(context: CallbackContext, key:str, amount):
    context.user_data[key] = amount
    return amount

def get_user_value(context: CallbackContext, key:str, default):
    try:
        return context.user_data[key]
    except KeyError:
        print(f"set {key} to {str(default)}")
        return set_user_value(context, key, default)

def get_cash(context: CallbackContext):
    cash = get_user_value(context, "cash", cash_default)
    
    if cash == 0:
        lastreset = get_lastreset(context)
        today = date.today()
        
        if lastreset < today:
            set_lastreset(context, today)
            cash = set_cash(context, cash_default)

    return cash

def set_cash(context: CallbackContext, amount: int):
    return set_user_value(context, "cash", amount)

def get_bet(context: CallbackContext):
    return get_user_value(context, "bet", bet_default)

def set_lastreset(context: CallbackContext, amount: int):
    return set_user_value(context, "lastreset", amount)

def get_lastreset(context: CallbackContext):
    return get_user_value(context, "lastreset", lastreset_default)
    
def set_bet(context: CallbackContext, amount: int):
    return set_user_value(context, "bet", amount)

def _spin(context: CallbackContext, id: float, markup: InlineKeyboardMarkup = ""):

    bet = get_bet(context)
    cash = get_cash(context)
    
    if cash < bet:
        context.bot.send_message(chat_id=id, text=l("not_enough_cash", lang))
        return None
    
    cash = set_cash(context, cash - bet)
    
    message = context.bot.send_dice(chat_id=id, emoji=slot_emoji)
    
    multiplier = get_multiplier(message.dice.value)
    
    win = bet * multiplier
    
    cash = set_cash(context, cash + win)
        
    text = l("you_lost", lang) if win == 0 else l("you_won", lang).format(win / 100)
    
    text += l("cash_result", lang).format(cash / 100)
    
    time.sleep(2)
    context.bot.send_message(chat_id=id, text=text, reply_markup=markup)
    return win

def spin(update: Update, context: CallbackContext):
    
    bet = get_bet(context) / 100
    
    amount = read_arg(context, 1)
    
    if amount > 1 and update.effective_chat.type != 'private':
        amount = 1
        context.bot.send_message(chat_id=update.effective_chat.id, text=l("no_autospin", lang))
    
    if amount == 1:
        markup = InlineKeyboardMarkup([[InlineKeyboardButton(text=l("reroll", lang).format(bet), callback_data="callback_1")]])
        _spin(context=context, id=update.effective_chat.id, markup=markup)
    else:
        amount = max(1, min(amount, autospin_cap))
        count = 0
        total_win = 0
        for i in range(amount):
            win = _spin(context=context, id=update.effective_chat.id, markup="")
            
            if win is None:
                break
            
            count += 1
            total_win += win
        
        result = l("summary", lang).format(count * bet, total_win / 100)
        markup = "" #InlineKeyboardMarkup([[InlineKeyboardButton(text="Altri {} spin (-{}€)".format(amount, bet * amount), callback_data="callback_2")]])
        context.bot.send_message(chat_id=update.effective_chat.id, text=result, reply_markup=markup)

def bet(update: Update, context: CallbackContext):
    
    amount = read_arg(context=context, cast=float)
    
    if amount is not None:
        bet = set_bet(context, int(amount * 100))
    else:
        bet = get_bet(context)
    
    result = l("current_bet", lang).format(c.format_author(update.effective_user), bet / 100)
    context.bot.send_message(chat_id=update.effective_chat.id, text=result)
    
def cash(update: Update, context: CallbackContext):
    cash = get_cash(context) / 100
    result = l("current_cash", lang).format(c.format_author(update.effective_user), cash)
    context.bot.send_message(chat_id=update.effective_chat.id, text=result)
    
def get_multiplier(value: int):
    
    try:
        values = c.slot_machine_value[value]
    except IndexError:
        values = c.slot_machine_value[5]
    
    try:
        return c.win_table[values]
    except KeyError:
        return 0