import React from 'react';
import Grid from './grid/grid';
import GridControl from './grid/grid-control';

class MineSeeker extends React.Component {
    constructor(props) {
        super(props);

        let gameAssoc = props.gameId !== '' ? props.gameId : this.makeGameAssoc(50);
        let channel = "mineseeker/channel/" + gameAssoc;

        this.state = {
            env: props.env,
            gameInherited: props.gameId !== '',
            gameAssoc: gameAssoc,
            channel: channel,
            session: null,
            createGrid: false,
            stepCache: [],
            disconnect: false
        }
    }

    makeGameAssoc(len) {
        let text = "";
        let possible = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
        for (let i = 0; i < len; i++) {
            text += possible.charAt(Math.floor(Math.random() * possible.length));
        }
        return text;
    }

    /** STEP */
    makePointsCalcAndStep(coords) {
        let users = this.refs.gridControl.refs.userControl,
            activePlayer = users.state.activePlayer ? 'blue' : 'red',
            inactivePlayer = users.state.activePlayer ? 'red' : 'blue',
            redPoints = activePlayer === 'red'
                ? users.refs[activePlayer].state.mines
                : users.refs[inactivePlayer].state.mines,
            bluePoints = activePlayer === 'blue'
                ? users.refs[activePlayer].state.mines
                : users.refs[inactivePlayer].state.mines;

        this.refs.gridControl.stepEvent(coords);

        let mineCache = this.refs.gridControl.state.foundUserMineCache;
        redPoints += activePlayer === 'red' ? mineCache : 0;
        bluePoints += activePlayer === 'blue' ? mineCache : 0;

        return {red: redPoints, blue: bluePoints};
    }

    /** THE END */
    makeGameEndIfItEnds(bluePoints, redPoints, resign = false) {
        let redWins = redPoints > 25,
            blueWins = bluePoints > 25;

        if (redWins || blueWins || resign) {
            this.refs.gridControl.state.sound.won.play();

            if (false === resign) {
                this.refs.gridControl.setState({
                    overlay: true,
                    overlayTitle: (redWins ? 'Red' : 'Blue') + " wins the game!",
                    overlaySubTitle: "Play again!"
                });
            }

            this.refs.gridControl.showLeftMines();

            this.refs.gridControl.refs.userControl.setState({activePlayer: false});
            this.refs.gridControl.refs.userControl.refs.red.setState({desc: ""});
            this.refs.gridControl.refs.userControl.refs.blue.setState({desc: ""});
        }
    }

    resignProcess(color) {
        this.refs.gridControl.setState({
            overlay: true,
            overlayTitle: color === this.refs.gridControl.state.webPlayer
                ? "You have been give up"
                : "Your opponent has been resigned",
            overlaySubTitle: color === this.refs.gridControl.state.webPlayer
                ? "You LOSE!"
                : "You WIN!"
        });

        this.makeGameEndIfItEnds(0, 0, true);
    }

    clickResign() {
        this.state.session.publish(this.state.channel, {
            'resign': this.refs.gridControl.refs.userControl.state.activePlayer ? 'blue' : 'red'
        });
        this.resignProcess(this.refs.gridControl.state.webPlayer);
    }

    clickResignCancel() {
        this.refs.gridControl.setState({
            overlay: false
        });
    }

    /** RESIGN */
    resign() {
        let users = this.refs.gridControl.refs.userControl,
            activePlayer = users.state.activePlayer ? 'blue' : 'red';

        if (this.refs.gridControl.state.webPlayer === activePlayer) {
            this.refs.gridControl.setState({
                overlay: true,
                overlayTitle: "Are u sure u want to resign?!",
                overlaySubTitle: <div className="resign">
                    <a onClick={this.clickResign.bind(this)}>Yes</a>
                    <a onClick={this.clickResignCancel.bind(this)}>No!</a>
                </div>
            });
        }
    }

    wInit(session, gridServer, gridClient) {
        this.setState({session: session});

        /** save session to GridControl */
        /** render grid fields - #12 */
        this.refs.gridControl.setState({
            grid: this.state.gameInherited ? JSON.parse(Base64.decode(gridServer)) : gridClient,
            channel: this.state.channel,
            desc: {
                buddy: <div>
                    Your buddy is <br/>
                    making a <br/>
                    move.
                </div>,
                you: <div>
                    It is your turn! <br/>
                    Make a move.
                </div>
            },
            overlay: true,
            overlayTitle: "We are waiting for your opponent...",
            overlaySubTitle: this.state.gameAssoc
                ?
                <div>
                    <div className="clippy">
                        <input id="foo"
                               defaultValue={window.location.href + '/' + this.state.gameAssoc}/>
                        <button className="btn">
                            <img src="/bundles/mineseeker/images/clippy.svg" alt="Copy to clipboard"/>
                        </button>
                    </div>
                    <a href={"/play/" + this.state.gameAssoc} target="_blank">Play w/ me!</a>
                </div>
                : '',
            renderGridFields: this.state.gameAssoc
        });
    }

    wSubscribe(payload) {
        this.state.env === 'dev' && console.info(
            (typeof payload.user !== 'undefined' ? payload.user : 'user') + " has been subscribed to the channel!"
        );

        if (!this.state.disconnect) {
            /** setup the web player */
            null === this.refs.gridControl.state.webPlayer && this.refs.gridControl.setState({
                webPlayer: payload.user === payload.users.blue || payload.user === payload.users.blueAnon
                    ? 'blue'
                    : 'red'
            });

            /** every user has been came */
            if (payload.userCnt === 2) {
                /** every time the blue starts */
                this.refs.gridControl.refs.userControl.setState({activePlayer: 1});

                /** Set up player names w/ server data */
                this.refs.gridControl.refs.userControl.refs.red.setState({
                    name: payload.users.red !== '' ? payload.users.red : payload.users.redAnon,
                });

                this.refs.gridControl.refs.userControl.refs.blue.setState({
                    name: payload.users.blue !== '' ? payload.users.blue : payload.users.blueAnon,
                    desc: this.refs.gridControl.state.webPlayer === 'blue'
                        ? this.refs.gridControl.state.desc.you
                        : this.refs.gridControl.state.desc.buddy,
                    active: true,
                });

                this.refs.gridControl.setState({overlay: false});
            }
        }
    }

    wUnsubscribe(payload) {
        this.state.env === 'dev' && console.info(payload.msg);

        this.refs.gridControl.setState({
            overlay: true,
            overlayTitle: "The connection has been lost w/ your friend...",
            overlaySubTitle: "Please, restart the game!"
        });
    }

    wTopic(payload) {
        /** Auto-Step if this player is not the current user */
        if (this.refs.gridControl.state.webPlayer !== payload.data.player) {
            if (null === payload.data.resign) {
                this.state.env === 'dev' && console.warn(payload.user + " has been stepped to coords: " + payload.data.coords[0] + ', ' + payload.data.coords[1]);
                this.state.env === 'dev' && console.warn('Opponent stepped: Auto-Step process');

                this.refs.gridControl.refs.userControl.setState({bombSelected: payload.data.bomb});

                /** STEP */
                let points = this.makePointsCalcAndStep(payload.data.coords);

                /** THE END */
                this.makeGameEndIfItEnds(points.blue, points.red);
            } else {
                /** RESIGN */
                /** THE END */
                this.resignProcess(payload.data.resign);
            }
        }
    }

    /** Connect - Subscribe */
    subscribe() {
        this.state.session.subscribe(
            this.state.channel,
            (uri, payload, log) => {
                let isTopicEvent = typeof payload.data !== 'undefined',
                    isNotUnsubscribe = typeof payload.msg === 'undefined';

                /** CONNECTION */
                if (isTopicEvent) {
                    this.wTopic(payload);
                } else {
                    if (isNotUnsubscribe) {
                        this.wSubscribe(payload);
                    } else {
                        this.wUnsubscribe(payload);
                    }
                }

                /** RECONNECTION */
                if (payload.userCnt === 2 && this.state.disconnect) {
                    this.state.env === 'dev' && console.info('Reconnection process');

                    let cache = this.state.stepCache;
                    cache.forEach((item) => this.state.session.publish(this.state.channel, item));
                    this.setState({disconnect: false, stepCache: []});
                }
            });
    }

    /** after rendering */
    componentDidMount() {
        /** Create Websocket w/ Bahnhof.js */
        let websocket = WS.connect(
            this.state.env === 'dev'
                ? "ws://mine.dev:6450"
                : "ws://www.mineseeker.ninja:6450"
        );

        /**
         * Connect
         * Session is an Autobahn JS WAMP session.
         */
        websocket.on("socket/connect", (session) => {
            this.state.env === 'dev' && console.info("Successfully connected to the Server!");

            if (!this.state.disconnect) {
                let gridClient = this.state.gameInherited || new Grid().state.grid;

                /**
                 * Connect - RPC
                 * Send grid information to the server
                 */
                session
                    .call(
                        this.state.gameInherited ? "mineseeker-rpc/connectGame" : "mineseeker-rpc/startGame",
                        this.state.gameInherited ? this.state.gameAssoc : [Base64.encode(JSON.stringify(gridClient)), this.state.gameAssoc]
                    )
                    .then(
                        (gridServer) => {
                            this.state.env === 'dev' && console.info("Grid has been created! Return w/ gameAssoc.");

                            this.wInit(session, gridServer, gridClient);
                            this.subscribe();
                        },
                        (error, desc) => this.state.env === 'dev' && console.error(["RPC Error", error, desc])
                    );
            } else {
                this.setState({session: session});
                this.subscribe();
            }
        });

        /**
         * DisConnect
         * Error provides us with some insight into the disconnection: error.reason and error.code
         */
        websocket.on("socket/disconnect", (error) => {
            this.state.env === 'dev' && console.error("Disconnected for " + error.reason + " with code " + error.code);
            this.setState({disconnect: true});
        });
    }

    /**
     * Cache the steps unless reconnection
     *
     * @param dataPack
     */
    cachePublish(dataPack) {
        let cache = this.state.stepCache;
        cache.push(dataPack);
        this.setState({stepCache: cache});
    }

    onClick(coords) {
        let activePlayer = this.refs.gridControl.refs.userControl.state.activePlayer ? 'blue' : 'red';

        /** if the clicked field is NEVER CLICKED */
        if (this.refs.gridControl.checkFieldHasBeenNeverClicked(coords[0], coords[1])) {
            /** Player step and it is the current player */
            if (activePlayer === this.refs.gridControl.state.webPlayer) {
                /** STEP */
                let points = this.makePointsCalcAndStep(coords);

                /** THE END */
                this.makeGameEndIfItEnds(points.blue, points.red);

                let dataPack = {
                    'coords': coords,
                    'player': activePlayer,
                    'bomb': this.refs.gridControl.refs.userControl.state.bombSelected,
                    'redPoints': points.red,
                    'bluePoints': points.blue,
                    'resign': null,
                    'redExplodedBomb': activePlayer === 'red' && this.refs.gridControl.refs.userControl.state.bombSelected,
                    'blueExplodedBomb': activePlayer === 'blue' && this.refs.gridControl.refs.userControl.state.bombSelected
                };

                /** PUBLISH */
                !this.state.disconnect
                    ? this.state.session.publish(this.state.channel, dataPack)
                    : this.cachePublish(dataPack);
            }
        }
    }

    render() {
        return (
            <GridControl ref="gridControl"
                         env={this.props.env === 'dev'}
                         resign={this.resign.bind(this)}
                         onClick={this.onClick.bind(this)}/>
        );
    }
}

export default MineSeeker;