import {cards} from './cards.js'
import {utility} from './util.js'

const socket = io();
var games = [];

// important declarations
class Card {
    constructor(role, team, description, powerRole) {
        this.id = null;
        this.role = role;
        this.team = team;
        this.description = description;
        this.quantity = 0;
        this.powerRole = powerRole;
    }
}

class Game {
    constructor(accessCode, size, deck, time) {
        this.accessCode = accessCode;
        this.size = size;
        this.deck = deck;
        this.time = time;
        this.players = [];
        this.state = "lobby";
        this.endTime = null;
    }
}

var fullDeck = [];
var gameSize = 0;
var atLeastOnePlayer = false;


// register event listeners on buttons
document.getElementById("reset-btn").addEventListener("click", resetCardQuantities);
document.getElementById("create-btn").addEventListener("click", createGame);
document.getElementById("role-btn").addEventListener("click", displayRoleModal);
document.getElementById("close").addEventListener("click", closeModal);

// render all of the available cards to the user
window.onload = function() { 
    for (let i = 0; i < cards.length; i ++) {
        const newCard = new Card(cards[i].role, cards[i].team, cards[i].description, cards[i].powerRole);
        // put card info in the informational role description modal
        const modalRole = document.createElement("div");
        modalRole.setAttribute("class", "modal-role");
        modalRole.innerHTML = cards[i].team === "good" ?
            "<h2 class='role-village'>" + cards[i].role + "</h2><p>" + cards[i].team + "</p><p>" + cards[i].description + "</p>"
            : "<h2 class='role-wolf'>" + cards[i].role + "</h2><p>" + cards[i].team + "</p><p>" + cards[i].description + "</p>";
        document.getElementById("roles").appendChild(modalRole);

        fullDeck.push(newCard);

        const cardContainer = document.createElement("div");

        const quantityClass = cards[i].team === "good" ? "card-quantity quantity-village" : "card-quantity quantity-wolf"

        cardContainer.setAttribute("class", "card");
        cardContainer.setAttribute("id", "card-" + i);
        cardContainer.innerHTML = 
            "<div class='card-top'>" +
                "<p class='card-role'>" + newCard.role + "</p>" +
                "<p>+</p>" +
            "</div>" +
            "<div class='" + quantityClass + "'>" + newCard.quantity + "</div>" +
            "<div class='card-bottom'>" +
                "<p>-</p>" +
            "</div>";
        document.getElementById("card-select").appendChild(cardContainer)
        let cardTop = document.getElementById("card-" + i).getElementsByClassName("card-top")[0];
        let cardQuantity = document.getElementById("card-" + i).getElementsByClassName("card-quantity")[0];
        let cardBottom = document.getElementById("card-" + i).getElementsByClassName("card-bottom")[0];
        cardTop.addEventListener("click", incrementCardQuantity, false);
        cardBottom.addEventListener("click", decrementCardQuantity, false);
        cardTop.card = newCard;
        cardTop.quantityEl = cardQuantity;
        cardBottom.card = newCard;
        cardBottom.quantityEl = cardQuantity;
    }
};

function incrementCardQuantity(e) {
    console.log(e.target);
    if(e.target.card.quantity < 25) {
        e.target.card.quantity += 1;
    }
    e.target.quantityEl.innerHTML = e.target.card.quantity;
    updateGameSize();
}

function decrementCardQuantity(e) {
    if(e.target.card.quantity > 0) {
        e.target.card.quantity -= 1;
    }
    e.target.quantityEl.innerHTML = e.target.card.quantity;
    updateGameSize();
}

function updateGameSize() {
    gameSize = 0;
    for (let card of fullDeck) {
        gameSize += card.quantity;
    }
    document.getElementById("game-size").innerText = gameSize + " Players";
    if (gameSize > 0) {
        atLeastOnePlayer = true;
    } else {
        atLeastOnePlayer = false;
    }
    return gameSize;
}

function resetCardQuantities() {
    for (let card of fullDeck) {
        card.quantity = 0;
    }
    updateGameSize();
    Array.prototype.filter.call(document.getElementsByClassName("card-quantity"), function(quantities){
        return quantities.innerHTML = 0;
    });
}

function displayRoleModal() {
    document.getElementById("role-modal").classList.remove("hidden");
}

function closeModal() {
    document.getElementById("role-modal").classList.add("hidden");
}

function buildDeckFromQuantities() {
    let playerDeck = [];
    for (const card of fullDeck) {
        for (let i = 0; i < card.quantity; i++) {
            let newCard = new Card(card.role, card.team, card.description, card.powerRole);
            newCard.id = utility.generateID();
            playerDeck.push(newCard);
        }
    }
    return playerDeck;
}

function createGame() {
    if (document.getElementById("name").value.length > 0 && atLeastOnePlayer) {
        // generate 6 digit access code
        let code = "";
        let charPool = "abcdefghijklmnopqrstuvwxyz0123456789";
        for (let i = 0; i < 6; i++) {
            code += charPool[utility.getRandomInt(36)]
        }

        // generate unique player Id for session
        let id = utility.generateID();
        sessionStorage.setItem("id", id);

        // player who creates the game is the host
        sessionStorage.setItem("host", true);

        // send a new game to the server, and then join it
        const playerInfo = {name: document.getElementById("name").value, code: code, id: id};
        const game = new Game(
            code,
            gameSize,
            buildDeckFromQuantities(),
            Math.ceil(document.getElementById("time").value)
            );
        socket.emit('newGame', game, function(data) {
            socket.emit('joinGame', playerInfo);
            sessionStorage.setItem('code', code);
            window.location.replace('/' + code);
        });
    } else {
        if (!atLeastOnePlayer) {
            document.getElementById("game-size").classList.add("error");
            document.getElementById("size-error").innerText = "Add at least one card";
        } else {
            document.getElementById("game-size").classList.remove("error");
            document.getElementById("size-error").innerText = "";
        }
        document.getElementById("name").classList.add("error");
        document.getElementById("name-error").innerText = "Name is required.";
    }
}