/*

Copyright 2008-2013 Clipperz Srl

This file is part of Clipperz, the online password manager.
For further information about its features and functionalities please
refer to http://www.clipperz.com.

* Clipperz is free software: you can redistribute it and/or modify it
  under the terms of the GNU Affero General Public License as published
  by the Free Software Foundation, either version 3 of the License, or 
  (at your option) any later version.

* Clipperz is distributed in the hope that it will be useful, but 
  WITHOUT ANY WARRANTY; without even the implied warranty of 
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU Affero General Public License for more details.

* You should have received a copy of the GNU Affero General Public
  License along with Clipperz. If not, see http://www.gnu.org/licenses/.

*/

/***

MochiKit.Logging 1.5

See <http://mochikit.com/> for documentation, downloads, license, etc.

(c) 2005 Bob Ippolito.  All rights Reserved.

***/

MochiKit.Base.module(MochiKit, 'Logging', '1.5', ['Base']);

    /** @id MochiKit.Logging.LogMessage */
MochiKit.Logging.LogMessage = function (num, level, info) {
    this.num = num;
    this.level = level;
    this.info = info;
    this.timestamp = new Date();
};

MochiKit.Logging.LogMessage.prototype = {
     /** @id MochiKit.Logging.LogMessage.prototype.repr */
    repr: function () {
        var m = MochiKit.Base;
        return 'LogMessage(' +
            m.map(
                m.repr,
                [this.num, this.level, this.info]
            ).join(', ') + ')';
    },
    /** @id MochiKit.Logging.LogMessage.prototype.toString */
    toString: MochiKit.Base.forwardCall("repr")
};

MochiKit.Base.update(MochiKit.Logging, {
    /** @id MochiKit.Logging.logLevelAtLeast */
    logLevelAtLeast: function (minLevel) {
        var self = MochiKit.Logging;
        if (typeof(minLevel) == 'string') {
            minLevel = self.LogLevel[minLevel];
        }
        return function (msg) {
            var msgLevel = msg.level;
            if (typeof(msgLevel) == 'string') {
                msgLevel = self.LogLevel[msgLevel];
            }
            return msgLevel >= minLevel;
        };
    },

    /** @id MochiKit.Logging.isLogMessage */
    isLogMessage: function (/* ... */) {
        var LogMessage = MochiKit.Logging.LogMessage;
        for (var i = 0; i < arguments.length; i++) {
            if (!(arguments[i] instanceof LogMessage)) {
                return false;
            }
        }
        return true;
    },

    /** @id MochiKit.Logging.compareLogMessage */
    compareLogMessage: function (a, b) {
        return MochiKit.Base.compare([a.level, a.info], [b.level, b.info]);
    },

    /** @id MochiKit.Logging.alertListener */
    alertListener: function (msg) {
        alert(
            "num: " + msg.num +
            "\nlevel: " +  msg.level +
            "\ninfo: " + msg.info.join(" ")
        );
    }

});

/** @id MochiKit.Logging.Logger */
MochiKit.Logging.Logger = function (/* optional */maxSize) {
    this.counter = 0;
    if (typeof(maxSize) == 'undefined' || maxSize === null) {
        maxSize = -1;
    }
    this.maxSize = maxSize;
    this._messages = [];
    this.listeners = {};
    this.useNativeConsole = false;
};

MochiKit.Logging.Logger.prototype = {
    /** @id MochiKit.Logging.Logger.prototype.clear */
    clear: function () {
        this._messages.splice(0, this._messages.length);
    },

    /** @id MochiKit.Logging.Logger.prototype.logToConsole */
    logToConsole: function (msg) {
        if (typeof(window) != "undefined" && window.console
                && window.console.log) {
            // Safari and FireBug 0.4
            // Percent replacement is a workaround for cute Safari crashing bug
            window.console.log(msg.replace(/%/g, '\uFF05'));
        } else if (typeof(opera) != "undefined" && opera.postError) {
            // Opera
            opera.postError(msg);
        } else if (typeof(Debug) != "undefined" && Debug.writeln) {
            // IE Web Development Helper (?)
            // http://www.nikhilk.net/Entry.aspx?id=93
            Debug.writeln(msg);
        } else if (typeof(debug) != "undefined" && debug.trace) {
            // Atlas framework (?)
            // http://www.nikhilk.net/Entry.aspx?id=93
            debug.trace(msg);
        }
    },

    /** @id MochiKit.Logging.Logger.prototype.dispatchListeners */
    dispatchListeners: function (msg) {
        for (var k in this.listeners) {
            var pair = this.listeners[k];
            if (pair.ident != k || (pair[0] && !pair[0](msg))) {
                continue;
            }
            pair[1](msg);
        }
    },

    /** @id MochiKit.Logging.Logger.prototype.addListener */
    addListener: function (ident, filter, listener) {
        if (typeof(filter) == 'string') {
            filter = MochiKit.Logging.logLevelAtLeast(filter);
        }
        var entry = [filter, listener];
        entry.ident = ident;
        this.listeners[ident] = entry;
    },

    /** @id MochiKit.Logging.Logger.prototype.removeListener */
    removeListener: function (ident) {
        delete this.listeners[ident];
    },

    /** @id MochiKit.Logging.Logger.prototype.baseLog */
    baseLog: function (level, message/*, ...*/) {
        if (typeof(level) == "number") {
            if (level >= MochiKit.Logging.LogLevel.FATAL) {
                level = 'FATAL';
            } else if (level >= MochiKit.Logging.LogLevel.ERROR) {
                level = 'ERROR';
            } else if (level >= MochiKit.Logging.LogLevel.WARNING) {
                level = 'WARNING';
            } else if (level >= MochiKit.Logging.LogLevel.INFO) {
                level = 'INFO';
            } else {
                level = 'DEBUG';
            }
        }
        var msg = new MochiKit.Logging.LogMessage(
            this.counter,
            level,
            MochiKit.Base.extend(null, arguments, 1)
        );
        this._messages.push(msg);
        this.dispatchListeners(msg);
        if (this.useNativeConsole) {
            this.logToConsole(msg.level + ": " + msg.info.join(" "));
        }
        this.counter += 1;
        while (this.maxSize >= 0 && this._messages.length > this.maxSize) {
            this._messages.shift();
        }
    },

    /** @id MochiKit.Logging.Logger.prototype.getMessages */
    getMessages: function (howMany) {
        var firstMsg = 0;
        if (!(typeof(howMany) == 'undefined' || howMany === null)) {
            firstMsg = Math.max(0, this._messages.length - howMany);
        }
        return this._messages.slice(firstMsg);
    },

    /** @id MochiKit.Logging.Logger.prototype.getMessageText */
    getMessageText: function (howMany) {
        if (typeof(howMany) == 'undefined' || howMany === null) {
            howMany = 30;
        }
        var messages = this.getMessages(howMany);
        if (messages.length) {
            var lst = MochiKit.Base.map(function (m) {
                return '\n  [' + m.num + '] ' + m.level + ': ' + m.info.join(' ');
            }, messages);
            lst.unshift('LAST ' + messages.length + ' MESSAGES:');
            return lst.join('');
        }
        return '';
    },

    /** @id MochiKit.Logging.Logger.prototype.debuggingBookmarklet */
    debuggingBookmarklet: function (inline) {
        if (typeof(MochiKit.LoggingPane) == "undefined") {
            alert(this.getMessageText());
        } else {
            MochiKit.LoggingPane.createLoggingPane(inline || false);
        }
    }
};

MochiKit.Logging.__new__ = function () {
    this.LogLevel = {
        ERROR: 40,
        FATAL: 50,
        WARNING: 30,
        INFO: 20,
        DEBUG: 10
    };

    var m = MochiKit.Base;
    m.registerComparator("LogMessage",
        this.isLogMessage,
        this.compareLogMessage
    );

    var partial = m.partial;

    var Logger = this.Logger;
    var baseLog = Logger.prototype.baseLog;
    m.update(this.Logger.prototype, {
        debug: partial(baseLog, 'DEBUG'),
        log: partial(baseLog, 'INFO'),
        error: partial(baseLog, 'ERROR'),
        fatal: partial(baseLog, 'FATAL'),
        warning: partial(baseLog, 'WARNING')
    });

    // indirectly find logger so it can be replaced
    var self = this;
    var connectLog = function (name) {
        return function () {
            self.logger[name].apply(self.logger, arguments);
        };
    };

    /** @id MochiKit.Logging.log */
    this.log = connectLog('log');
    /** @id MochiKit.Logging.logError */
    this.logError = connectLog('error');
    /** @id MochiKit.Logging.logDebug */
    this.logDebug = connectLog('debug');
    /** @id MochiKit.Logging.logFatal */
    this.logFatal = connectLog('fatal');
    /** @id MochiKit.Logging.logWarning */
    this.logWarning = connectLog('warning');
    this.logger = new Logger();
    this.logger.useNativeConsole = true;

    m.nameFunctions(this);
};

MochiKit.Logging.__new__();

MochiKit.Base._exportSymbols(this, MochiKit.Logging);