from operator import mod
from tokenize import String
from flask import Flask, request, jsonify
from flask_cors import CORS

import random as r
import math as m

# Suit Order: Hearts, Diamonds, Spades, Clubs
# 37 = 9 * 4 + 1 = 9 of Hearts
drawn = []
drawnnames = []
cards = []
for i in range(52):
    cards.append(i)

ranks = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, 10, 10]
ranknames = ["Ace", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine", "Ten", "Jack", "Queen", "King"]
suitnames = ["Hearts", "Diamonds", "Spades", "Clubs"]
gameDone = False

def toString(data):
    str = ""
    if len(data) == 1:
        return data[0]
    else:
        for i in data:
            if i != data[len(data)-1]:
                str = str + i + ", "
            else:
                str = f"{str}and {i}"
    return str

def getScore(data):
    aces = 0
    score = 0
    for i in data:
        if i == 1:
            aces += 1
        score += i
    print(score)
    while (aces > 0) & (score <= 11):
        score += 10
        aces -= 1
    return score
    
def loseText(score):
    if score <= 21:
        return ""
    else:
        return "You have busted! Click reset to play again."
        
def botLose(data):
    if getScore(data) > 21:
        return "You won! Click reset to start another game."
    else:
        return "You lost. Click reset to start another game!"

app = Flask(__name__)
CORS(app)
@app.route('/api/send', methods=['POST'])
def receive_data():
    data = request.get_json()
    user_message = data.get('message', '')
    
    
    global drawn
    global cards
    global drawnnames
    global gameDone
    if user_message == 'reset':
        # Suit Order: Hearts, Diamonds, Spades, Clubs
        # 37 = 9 * 4 + 1 = 9 of Hearts
        drawn = []
        drawnnames = []
        cards = []
        gameDone = False
        for i in range(52):
            cards.append(i)
        return_message = "Game successfully reset"
    elif user_message == 'hit':
        if getScore(drawn) <= 21:
            drawcard = cards[r.randint(0, len(cards)-1)]
            cards.remove(drawcard)
            drawrank = ranks[m.floor(drawcard/4)]
    
            drawn.append(drawrank)
            drawnnames.append(f"{ranknames[m.floor(drawcard/4)]} of {suitnames[drawcard % 4]}")
        else:
            gameDone = True

        return_message = f"Your card is the {drawnnames[len(drawnnames)-1]}.\n\nYour cards so far are the {toString(drawnnames)}.\n\nYour current score is {getScore(drawn)}.\n\n{loseText(getScore(drawn))}"
    elif user_message == 'stand':
        if gameDone:
            return_message = "The game is already done! Click reset to try again."
        else:
            botdrawn = []
            botdrawnnames = []
            while getScore(botdrawn) <= getScore(drawn):
                drawcard = cards[r.randint(0, len(cards)-1)]
                cards.remove(drawcard)
                drawrank = ranks[m.floor(drawcard/4)]
        
                botdrawn.append(drawrank)
                botdrawnnames.append(f"{ranknames[m.floor(drawcard/4)]} of {suitnames[drawcard % 4]}")
                
            return_message = f"Your score was {getScore(drawn)}.\n\nThe bot draw the {toString(botdrawnnames)}, obtaining a score of {getScore(botdrawn)}.\n\n{botLose(botdrawn)}"
            gameDone = True
    else:
        return_message = user_message

    print("Backend")
    return jsonify({"reply": return_message})

if __name__ == '__main__':
    app.run(debug=True)