var logger = require('pomelo-logger').getLogger('game-log', __filename);

module.exports = function(app){
    return new Handler(app);
};
var Handler = function(app){
    this.app = app;
};
var handler = Handler.prototype;

/**
 * Get tables
 *
 * @param {Object} msg game parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.getTables = function(msg, session, next){
    var tableService = this.app.get('tableService');
    next(null, {
        code   : 200,
        route  : msg.route,
        tables : tableService.getTables()
    });
};

/**
 * Create table
 *
 * @param {Object} msg game parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.createTable = function(msg, session, next){
    if(session.get('tid')){
        next(null, {
            code  : 500,
            error : 'already-in-table'
        });
        return;
    }
    this.app.get('tableService').createTable(session.uid, msg, function(e){
        if(e){
            next(null, {
                code  : 500,
                error : e
            });
            return;
        }
        next(null, {
            code  : 200,
            route : msg.route
        });
    });
};

/**
 * Join table
 *
 * @param {Object} msg table parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.joinTable = function(msg, session, next){
    var me = this;
    var tableService = this.app.get('tableService');
    var table = tableService.getTable(msg.tid);
    if(!msg.tid || !table){
        next(null, {
            code  : 500,
            error : 'invalid-table'
        });
        return;
    }
    session.set('tid', msg.tid);
    session.pushAll(function(err){
        if(err){
            logger.error('set tid for session service failed! error is : %j', err.stack);
            next(null, {
                code  : 500,
                error : 'server-error'
            });
            return;
        }
        var tid = session.get('tid');
        me.app.rpc.chat.chatRemote.addToChannel(session, session.uid, tid, function(e){
            if(e){
                next(null, {
                    code  : 500,
                    error : e
                });
                return;
            }
            tableService.addMember(tid, session.uid, function(e){
                if(e){
                    next(null, {
                        code  : 500,
                        error : e
                    });
                    return;
                }
                next(null, {
                    code  : 200,
                    route : msg.route
                });
            });
        });
    });
};

/**
 * Leave table
 *
 * @param {Object} msg table parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.leaveTable = function(msg, session, next){
    var me = this;
    var tid = session.get('tid');
    if(!tid){
        return next(null, {
            code  : 500,
            error : 'not-table-member'
        });
    }
    me.app.rpc.chat.chatRemote.leave(session, session.uid, tid, function(e){});
    session.set('tid', undefined);
    session.pushAll(function(e){
        if(e){
            logger.error('unset tid for session service failed! error is : %j', e.stack);
            return next(null, {
                code  : 500,
                error : 'server-error'
            });
        }
        me.app.get('tableService').removeMember(tid, session.uid, function(e){
            if(e){
                next(null, {
                    code  : 500,
                    error : e
                });
                return;
            }
            next(null, {
                code  : 200,
                route : msg.route
            });
        });
    });
};

/**
 * Join game
 *
 * @param {Object} msg game parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.joinGame = function(msg, session, next){
    this.app.get('tableService').addPlayer(session.get('tid'), session.uid, msg.buyIn, function(e){
        if(e){
            next(null, {
                code  : 500,
                error : e
            });
            return;
        }
        next(null, {
            code  : 200,
            route : msg.route
        });
    });
};

/**
 * Start game
 *
 * @param {Object} msg game parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.startGame = function(msg, session, next){
    this.app.get('tableService').startGame(session.get('tid'), function(e){
        if(e){
            next(null, {
                code  : 500,
                error : e
            });
        }
        next(null, {
            code  : 200,
            route : msg.route
        });
    });
};

/**
 * Perform an action on your turn
 *
 * @param {Object} msg game parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.execute = function(msg, session, next){
    this.app.get('tableService').performAction(session.get('tid'), session.uid, msg, function(e){
        if(e){
            next(null, {
                code  : 500,
                error : e
            });
        }
        next(null, {
            code  : 200,
            route : msg.route
        });
    });
};

/**
 * Perform an action on your turn
 *
 * @param {Object} msg game parameters from client
 * @param {Object} session
 * @param  {Function} next next step callback
 *
 */
handler.removeBots = function(msg, session, next){
    var botService = this.app.get('botService');
    botService.removeAllBots(session.get('tid'), true);
    next(null, {
        code  : 200,
        route : msg.route
    });
};