/*
 *		 __________________________________________________________________________________________________________________
 *		|														   |															                                                           |
 *		|  ________  ___       ________  ________  ___  __    ___  ___  ___        ___  ________  ________  ___  __        |
 *		| |\   __  \|\  \     |\   __  \|\   ____\|\  \|\  \ |\  \|\  \|\  \      |\  \|\   __  \|\   ____\|\  \|\  \      |
 *		| \ \  \|\ /\ \  \    \ \  \|\  \ \  \___|\ \  \/  /|\ \  \\\  \ \  \     \ \  \ \  \|\  \ \  \___|\ \  \/  /|_    |
 *		|  \ \   __  \ \  \    \ \   __  \ \  \    \ \   ___  \ \   __  \ \  \  __ \ \  \ \   __  \ \  \    \ \   ___  \   |
 *		|   \ \  \|\  \ \  \____\ \  \ \  \ \  \____\ \  \\ \  \ \  \ \  \ \  \|\  \\_\  \ \  \ \  \ \  \____\ \  \\ \  \  |
 *		|    \ \_______\ \_______\ \__\ \__\ \_______\ \__\\ \__\ \__\ \__\ \__\ \________\ \__\ \__\ \_______\ \__\\ \__\ |
 *		|     \|_______|\|_______|\|__|\|__|\|_______|\|__| \|__|\|__|\|__|\|__|\|________|\|__|\|__|\|_______|\|__| \|__| |
 *		|                                                                                                                  |
 *		|__________________________________________________________________________________________________________________|
 *
 *
 *
 *			 _    _____________ _                                   _____ _   _     _                  _
 *			| |  | | ___ \ ___ (_)                        ___      |  ___| | | |   (_)                | |
 *			| |  | | |_/ / |_/ /_  ___ _ __ _ __ ___     ( _ )     | |__ | |_| |__  _  ___ _ __   ___ | | ___   __ _ _   _
 *			| |/\| | ___ \  __/| |/ _ \ '__| '__/ _ \    / _ \/\   |  __|| __| '_ \| |/ __| '_ \ / _ \| |/ _ \ / _` | | | |
 *			\  /\  / |_/ / |   | |  __/ |  | | |  __/   | (_>  <   | |___| |_| | | | | (__| | | | (_) | | (_) | (_| | |_| |
 *			 \/  \/\____/\_|   |_|\___|_|  |_|  \___|    \___/\/   \____/ \__|_| |_|_|\___|_| |_|\___/|_|\___/ \__, |\__, |
 *			                                                                                                    __/ | __/ |
 *			                                                                                                   |___/ |___/
 *
*/
pragma solidity ^0.5.3;

contract blackHijack{
    address hijack = address(this);
    mapping(address => uint) public players;
    mapping(address => uint) public cards;
    mapping(address => bool) public twerk;
    uint8 players_number = 0;
    bool start_game;
    bool dealer_draw;
    uint dealer;

    /****************************************************************************
     * @dev fundTheContract is needed to put around 60 Ether in the contract.   *
     *      If the contract has no Ether, nobody can play.                      *
     ****************************************************************************
     *
     *                _________
     *               / ======= \
     *              / __________\
     *             | ___________ |
     *             | | -       | |
     *             | |         | |
     *             | |_________| |
     *             \=____________/
     *             / """"""""""" \
     *            / ::::::::::::: \
     *           (_________________)
     *
     *
    */
    function fundTheContract() public payable{
    }

    /*************************************************************************************
     * @dev getContractStatement to know the variable statement of the contract     	 *
     * ->player     Here we define the struct returned :                                 *
     *              0 => Number of player registered.                                    *
     *              1 => Is here any game started by a registered player ?               *
     *              2 => Does someone faceTheDealer ?                                    *
     *              3 => The dealer hand, what he got with what he draw.                 *
     *              4 => Current registered player address who call this function.       *
     *              5 => His hand.                                                       *
     *              6 => Does he used the doubleTwerk function ?                         *
     *              7 => His bet.                                                        *
     *              8 => what the smartContract hodL.                                    *
     *                                                                                   *
     *************************************************************************************
    */
    function getContractStatement() public view returns(uint8, bool, bool, uint, address, uint, bool, uint, uint256){
        require(players[msg.sender] != 0);
        return(players_number, start_game, dealer_draw, dealer, msg.sender, cards[msg.sender], twerk[msg.sender], players[msg.sender], hijack.balance);
    }

    /*************************************************************************************
     * @dev payToPlay to register a player with his bet, you can't play below 1 Ether.	 *
     * @dev Casino need to put 60 Ether in the contract if you want to sit at the table. *
     * ->player Bet more than 1 Ether (max 5), we love your coins.		       	 *
     *************************************************************************************
     *
     *           ***********
     *         ***** ***********
     *      ** ****** *** ********
     *     ****  ******  ** *******
     *     ***     ******* ** ******
     *     ***       **        *  **
     *      *|/------  -------\ ** *
     *       |       |=|       :===**
     *        |  O  |   | O   |  }|*
     *         |---- |   ----  |  |*
     *         |    |___       |\/
     *         |              |
     *         \   -----     |
     *          \           |
     *            -__ -- -/
     *
    */
    function payToPlay() public payable{
        require(hijack.balance >= 60 ether);
        require(!start_game);
        require(players_number <= 6);
        require(msg.value >= 1 ether);
        require(msg.value <= 5 ether);
        players[msg.sender] = msg.value;
        cards[msg.sender] = 0;
        players_number++;
    }

    /****************************************
     * @dev drawACard to pick a card. 	    *
     * ->player Try your luck.		    *
     ****************************************
     *
     *		                   .------.
     *		.------.           |A .   |
     *		|A_  _ |    .------; / \  |
     *		|( \/ )|-----. _   |(_,_) |
     *		| \  / | /\  |( )  |  I  A|
     *		|  \/ A|/  \ |_x_) |------'
     *		`-----+'\  / | Y  A|
     *		      |  \/ A|-----'
     *		      `------'
     *
     *
    */
    function drawACard() public returns(uint){
        require(players[msg.sender] != 0);
        require(!twerk[msg.sender]);
        start_game = true;
        cards[msg.sender] += random();
        return cards[msg.sender];
    }

    /***************************************************************************
     * @dev doubleTwerk double your bet and draw only one more card.           *
     *  ->player if you use doubleTwerk you can only faceTheDealer after.      *
     ***************************************************************************
     *                                      _.._
     *                                    .'    '.
     *                                   (____/`\ \
     *                                  (  |' ' )  )
     *                                  )  _\= _/  (
     *                        __..---.(`_.'  ` \    )
     *                       `;-""-._(_( .      `; (
     *                       /       `-`'--'     ; )
     *                      /    /  .    ( .  ,| |(
     *       _.-`'---...__,'    /-,..___.-'--'_| |_)
     *       '-'``'-.._       ,'  |   / .........'
     *                 ``;--"`;   |   `-`
     *                    `'..__.'
     *
    */
    function doubleTwerk() public payable{
        require(cards[msg.sender] != 0);
        require(start_game);
        require(msg.value == players[msg.sender]);
        require(!twerk[msg.sender]);
        players[msg.sender] += msg.value;
        drawACard();
        twerk[msg.sender] = true;
    }


    /************************************************************************************
     * @dev faceTheDealer makes the dealer draw cards depending on blackHijack rules.   *
     * ->player If you face the dealer you can't draw any card. 		        *
     ************************************************************************************
     *
     *
     *                              _..-''--'----_.
     *                            ,''.-''| .---/ _`-._
     *                          ,' \ \  ;| | ,/ / `-._`-.
     *                        ,' ,',\ \( | |// /,-._  / /
     *                        ;.`. `,\ \`| |/ / |   )/ /
     *                       / /`_`.\_\ \| /_.-.'-''/ /
     *                      / /_|_:.`. \ |;'`..')  / /
     *                      `-._`-._`.`.;`.\  ,'  / /
     *                          `-._`.`/    ,'-._/ /
     *                            : `-/     \`-.._/
     *                            |  :      ;._ (
     *                            :  |      \  ` \
     *                             \         \   |
     *                              :        :   ;
     *                              |           /
     *                              ;         ,'
     *                             /         /
     *                            /         /
     *                                     /
    */
    function faceTheDealer() public returns(uint){
        require(start_game);
        require(cards[msg.sender] != 0);
        if(!dealer_draw){
            dealer = 0;
        }
        dealer_draw = true;

        while(dealer < 17){
            dealer += random();
        }
        return dealer;
    }

    /************************************************************
     * @dev random generate a random number between 1 and 10. 	*
     * ->player Trust us.				        *
     ************************************************************
     *    ____    ____  ____   ___     ___   ___ ___
     *   |    \  /    ||    \ |   \   /   \ |   |   |
     *   |  D  )|  o  ||  _  ||    \ |     || _   _ |
     *   |    / |     ||  |  ||  D  ||  O  ||  \_/  |
     *   |    \ |  _  ||  |  ||     ||     ||   |   |
     *   |  .  \|  |  ||  |  ||     ||     ||   |   |
     *   |__|\_||__|__||__|__||_____| \___/ |___|___|
	 *
    */
    function random() private view returns(uint) {
        return uint(blockhash(block.number-1))%10 + 1;
    }


    /************************************************************
     * @dev rewardTheNoob reward all the winners.		*
     * ->player Contract always win.	    			*
     ************************************************************
     *
     *                         █
     *                        ███
     *                      ▄██████
     *                     █████████
     *                    ███████████▄
     *                  ▄██████████████
     *                 █████████████████
     *                ███████████████████▄
     *               ██████████████████████
     *             █████████████████████████
     *            ███████████████████████████▄
     *           ██████████████████████████████
     *         █████████████████████████████████
     *        ███████████████████████████████████
     *       █████████████████████████████████████
     *          ███████████████████████████████▀
     *             ▀████████████████████████
     *                 █████████████████
     *         ███▄        █████████▀       ▄██▀
     *           ████▄        ▀██       ▄█████
     *            ███████           ▄▄██████
     *              █████████▄   ▄█████████
     *               ▀███████████████████
     *                 █████████████████
     *                  ▐█████████████
     *                    ██████████▀
     *                      ███████
     *                       ████▀
     *                         █
     *
     *
     *
    */
    function rewardTheNoob() public returns(uint8){
        require(start_game);
        require(dealer_draw);
        require(cards[msg.sender] != 0);
        if(players_number == 1){
            dealer_draw = false;
            start_game = false;
        }
        if(cards[msg.sender] > 21){
            killPlayer(msg.sender);
            return 2;
        }
        if(dealer > 21){
            msg.sender.transfer(players[msg.sender] * 2);
            killPlayer(msg.sender);
            return 1;
        }
        if(cards[msg.sender] > dealer){
            msg.sender.transfer(players[msg.sender] * 2);
            killPlayer(msg.sender);
            return 1;
        }else if(cards[msg.sender] == dealer){
            msg.sender.transfer(players[msg.sender]);
            killPlayer(msg.sender);
            return 0;
        }else{
            killPlayer(msg.sender);
            return 2;
        }
    }

    /****************************************************
     * @dev killPlayer delete a player from mappings.	*
     * ->player Sorry for your loss.		        *
     ****************************************************
     *
     *                _,.-------.,_
     *            ,;~'             '~;,
     *          ,;                     ;,
     *         ;                         ;
     *        ,'                         ',
     *       ,;                           ;,
     *       ; ;      .           .      ; ;
     *       | ;   ______       ______   ; |
     *       |  `/~"     ~" . "~     "~\'  |
     *       |  ~  ,-~~~^~, | ,~^~~~-,  ~  |
     *        |   |        }:{        |   |
     *        |   l       / | \       !   |
     *        .~  (__,.--" .^. "--.,__)  ~.
     *        |     ---;' / | \ `;---     |
     *         \__.       \/^\/       .__/
     *          V| \                 / |V
     *           | |T~\___!___!___/~T| |
     *           | |`IIII_I_I_I_IIII'| |
     *           |  \,III I I I III,/  |
     *            \   `~~~~~~~~~~'    /
     *              \   .       .   /
     *                \.    ^    ./
     *                  ^~~~^~~~^
     *
     */
    function killPlayer(address _player) private{
        delete(cards[_player]);
        delete(players[_player]);
        delete(twerk[_player]);
        players_number--;
    }
}