import streamlit as st
import os
import csv
import huggingface_hub
from PIL import Image
from components import GamePlay, Player, Dealer, Deck
from huggingface_hub import Repository, hf_hub_download, upload_file
from datetime import datetime

DATASET_REPO_URL = "https://huggingface.co/datasets/awacke1/Carddata.csv"
DATASET_REPO_ID = "awacke1/Carddata.csv"
DATA_FILENAME = "Carddata.csv"
DATA_FILE = os.path.join("data", DATA_FILENAME)
HF_TOKEN = os.environ.get("HF_TOKEN")
number_of_decks = 6
blackjack_multiplier = 1.5

def generate_html() -> str:
    with open(DATA_FILE) as csvfile:
        reader = csv.DictReader(csvfile)
        rows = []
        for row in reader:
            rows.append(row)
        rows.reverse()
        if len(rows) == 0:
            return "no messages yet"
        else:
            html = "<div class='chatbot'>"
            for row in rows:
                html += "<div>"
                html += f"<span>{row['name']}</span>"
                html += f"<span class='message'>{row['message']}</span>"
                html += "</div>"
            html += "</div>"
            return html
            
def store_message(name: str, message: str):
    if name and message:
        with open(DATA_FILE, "a") as csvfile:
            writer = csv.DictWriter(csvfile, fieldnames=["name", "message", "time"])
            writer.writerow(
                {"name": name, "message": message, "time": str(datetime.now())}
            )
        commit_url = repo.push_to_hub()
    return generate_html()

# Initialize player, dealer, deck and game play. Cache these variables
@st.cache(allow_output_mutation=True, suppress_st_warning=True)
def start_game():
    game_deck = Deck(number_of_decks)
    dealer = Dealer()
    player = Player()
    game_play = GamePlay(player, dealer, game_deck, blackjack_multiplier)
    return game_deck, dealer, player, game_play

game_deck, dealer, player, game_play = start_game()

def display_pro_tip(player, dealer):
    player_total = sum(card.rank for card in player.cards)
    
    if dealer.cards:
        dealer_upcard = dealer.cards[0].rank
    else:
        dealer_upcard = 0

    if player_total <= 11:
        return "Pro Tip: With a total of 11 or less, it's generally advisable to hit."
    elif player_total == 12 and dealer_upcard <= 3:
        return "Pro Tip: With a total of 12 and the dealer showing 3 or less, consider hitting."
    elif player_total >= 17:
        return "Pro Tip: With a total of 17 or more, it's usually best to stand."
    else:
        return ""

def display_betting_strategy(player, dealer):
    player_total = sum(card.rank for card in player.cards)
    
    if dealer.cards:
        dealer_upcard = dealer.cards[0].rank
    else:
        dealer_upcard = 0

    if player_total <= 11:
        return "Betting Strategy: Consider increasing your bet when your total is 11 or less."
    elif player_total >= 17 and dealer_upcard <= 6:
        return "Betting Strategy: Consider increasing your bet when you have a strong hand and the dealer has a weak upcard."
    else:
        return ""

def calculate_hand_total(hand):
    total = sum(card.rank for card in hand)
    return total

st.title('🃏Blackjack Simulator AI♠2️⃣1️⃣')

if st.button('New hand?'):
    game_play.deal_in()

player_stats = st.empty()
player_images = st.empty()
player_action = st.empty()
done_button = st.empty()
dealer_stats = st.empty()
dealer_images = st.empty()
result = st.empty()
pro_tip = st.empty()
betting_strategy = st.empty()

while True:
    game_play.update()
    player_stats.write(player)
    player_images.image([Image.open(card.image_location) for card in player.cards], width=100)
    dealer_stats.write(dealer)
    dealer_images.image([Image.open(card.image_location) for card in dealer.cards], width=100)
    result.write(game_play)

    pro_tip.write(display_pro_tip(player, dealer))
    betting_strategy.write(display_betting_strategy(player, dealer))

    player_total = calculate_hand_total(player.cards)
    dealer_total = calculate_hand_total(dealer.cards)

    if player_total == 21 or dealer_total == 21 or not player.possible_actions:
        break

    if 'Hit' in player.possible_actions or 'Double Down' in player.possible_actions:
        action = player_action.radio("Choose your action", ("👋 Hit", "⏬ Double Down"), key=f"action_{len(player.cards)}")

        if action == "👋 Hit":
            player.player_hit(game_deck, game_play)
        elif action == "⏬ Double Down":
            player.double_down(game_deck, game_play)

        if done_button.button("✅ Done", key=f"done_{len(player.cards)}"):
            player.stand(game_play)
    else:
        player.stand(game_play)