/*
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apache License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://opensource.org/licenses/Apache-2.0/ and read it before using this
 * file.
 *
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 */

var exec = require('cordova/exec');

/**
 * Request permission to show notifications.
 *
 * @param [ Function ] callback The function to be exec as the callback.
 * @param [ Object ]   scope    The callback function's scope.
 *
 * @return [ Void ]
 */
exports.hasPermission = function (callback, scope) {
    var fn = this.createCallbackFn(callback, scope);

    if (device.platform != 'iOS') {
        fn(true);
        return;
    }

    exec(fn, null, 'LocalNotification', 'check', []);
};

/**
 * Request permission to show notifications.
 *
 * @param [ Function ] callback The function to be exec as the callback.
 * @param [ Object ]   scope    The callback function's scope.
 *
 * @return [ Void ]
 */
exports.requestPermission = function (callback, scope) {
    var fn = this.createCallbackFn(callback, scope);

    if (device.platform != 'iOS') {
        fn(true);
        return;
    }

    exec(fn, null, 'LocalNotification', 'request', []);
};

/**
 * Schedule notifications.
 *
 * @param [ Array ]    notifications The notifications to schedule.
 * @param [ Function ] callback      The function to be exec as the callback.
 * @param [ Object ]   scope         The callback function's scope.
 * @param [ Object ]   args          Optional flags how to schedule.
 *
 * @return [ Void ]
 */
exports.schedule = function (msgs, callback, scope, args) {
    var fn = function (granted) {

        if (!granted) return;

        var notifications = Array.isArray(msgs) ? msgs : [msgs];

        for (var i = 0; i < notifications.length; i++) {
            var notification = notifications[i];

            this.mergeWithDefaults(notification);
            this.convertProperties(notification);
        }

        this.exec('schedule', notifications, callback, scope);
    };

    if (args && args.skipPermission) {
        fn.call(this, true);
    } else {
        this.requestPermission(fn, this);
    }
};

// /**
//  * Update existing notifications specified by IDs in options.
//  *
//  * @param {Object} notifications
//  *      The notification properties to update
//  * @param {Function} callback
//  *      A function to be called after the notification has been updated
//  * @param {Object?} scope
//  *      The scope for the callback function
//  * @param {Object?} args
//  *      skipPermission:true schedules the notifications immediatly without
//  *                          registering or checking for permission
//  */
// exports.update = function (msgs, callback, scope, args) {
//     var fn = function(granted) {

//         if (!granted) return;

//         var notifications = Array.isArray(msgs) ? msgs : [msgs];

//         for (var i = 0; i < notifications.length; i++) {
//             var notification = notifications[i];

//             this.convertProperties(notification);
//         }

//         this.exec('update', notifications, callback, scope);
//     };

//     if (args && args.skipPermission) {
//         fn.call(this, true);
//     } else {
//         this.registerPermission(fn, this);
//     }
// };

// /**
//  * Clear the specified notification.
//  *
//  * @param {String} id
//  *      The ID of the notification
//  * @param {Function} callback
//  *      A function to be called after the notification has been cleared
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.clear = function (ids, callback, scope) {
//     ids = Array.isArray(ids) ? ids : [ids];
//     ids = this.convertIds(ids);

//     this.exec('clear', ids, callback, scope);
// };

// /**
//  * Clear all previously sheduled notifications.
//  *
//  * @param {Function} callback
//  *      A function to be called after all notifications have been cleared
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.clearAll = function (callback, scope) {
//     this.exec('clearAll', null, callback, scope);
// };

// /**
//  * Cancel the specified notifications.
//  *
//  * @param {String[]} ids
//  *      The IDs of the notifications
//  * @param {Function} callback
//  *      A function to be called after the notifications has been canceled
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.cancel = function (ids, callback, scope) {
//     ids = Array.isArray(ids) ? ids : [ids];
//     ids = this.convertIds(ids);

//     this.exec('cancel', ids, callback, scope);
// };

// /**
//  * Remove all previously registered notifications.
//  *
//  * @param {Function} callback
//  *      A function to be called after all notifications have been canceled
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.cancelAll = function (callback, scope) {
//     this.exec('cancelAll', null, callback, scope);
// };

// /**
//  * Check if a notification with an ID is present.
//  *
//  * @param {String} id
//  *      The ID of the notification
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.isPresent = function (id, callback, scope) {
//     this.exec('isPresent', id || 0, callback, scope);
// };

// /**
//  * Check if a notification with an ID is scheduled.
//  *
//  * @param {String} id
//  *      The ID of the notification
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.isScheduled = function (id, callback, scope) {
//     this.exec('isScheduled', id || 0, callback, scope);
// };

// /**
//  * Check if a notification with an ID was triggered.
//  *
//  * @param {String} id
//  *      The ID of the notification
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.isTriggered = function (id, callback, scope) {
//     this.exec('isTriggered', id || 0, callback, scope);
// };

// *
//  * List all local notification IDs.
//  *
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function

// exports.getAllIds = function (callback, scope) {
//     this.exec('getAllIds', null, callback, scope);
// };

// /**
//  * Alias for `getAllIds`.
//  */
// exports.getIds = function () {
//     this.getAllIds.apply(this, arguments);
// };

// /**
//  * List all scheduled notification IDs.
//  *
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.getScheduledIds = function (callback, scope) {
//     this.exec('getScheduledIds', null, callback, scope);
// };

// /**
//  * List all triggered notification IDs.
//  *
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.getTriggeredIds = function (callback, scope) {
//     this.exec('getTriggeredIds', null, callback, scope);
// };

// /**
//  * Property list for given local notifications.
//  * If called without IDs, all notification will be returned.
//  *
//  * @param {Number[]?} ids
//  *      Set of notification IDs
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.get = function () {
//     var args = Array.apply(null, arguments);

//     if (typeof args[0] == 'function') {
//         args.unshift([]);
//     }

//     var ids      = args[0],
//         callback = args[1],
//         scope    = args[2];

//     if (!Array.isArray(ids)) {
//         this.exec('getSingle', Number(ids), callback, scope);
//         return;
//     }

//     ids = this.convertIds(ids);

//     this.exec('getAll', ids, callback, scope);
// };

// /**
//  * Property list for all local notifications.
//  *
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.getAll = function (callback, scope) {
//     this.exec('getAll', null, callback, scope);
// };

// /**
//  * Property list for given scheduled notifications.
//  * If called without IDs, all notification will be returned.
//  *
//  * @param {Number[]?} ids
//  *      Set of notification IDs
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.getScheduled = function () {
//     var args = Array.apply(null, arguments);

//     if (typeof args[0] == 'function') {
//         args.unshift([]);
//     }

//     var ids      = args[0],
//         callback = args[1],
//         scope    = args[2];

//     if (!Array.isArray(ids)) {
//         ids = [ids];
//     }

//     if (!Array.isArray(ids)) {
//         this.exec('getSingleScheduled', Number(ids), callback, scope);
//         return;
//     }

//     ids = this.convertIds(ids);

//     this.exec('getScheduled', ids, callback, scope);
// };

// /**
//  * Property list for all scheduled notifications.
//  *
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.getAllScheduled = function (callback, scope) {
//     this.exec('getScheduled', null, callback, scope);
// };

// /**
//  * Property list for given triggered notifications.
//  * If called without IDs, all notification will be returned.
//  *
//  * @param {Number[]?} ids
//  *      Set of notification IDs
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.getTriggered = function () {
//     var args = Array.apply(null, arguments);

//     if (typeof args[0] == 'function') {
//         args.unshift([]);
//     }

//     var ids      = args[0],
//         callback = args[1],
//         scope    = args[2];

//     if (!Array.isArray(ids)) {
//         ids = [ids];
//     }

//     if (!Array.isArray(ids)) {
//         this.exec('getSingleTriggered', Number(ids), callback, scope);
//         return;
//     }

//     ids = this.convertIds(ids);

//     this.exec('getTriggered', ids, callback, scope);
// };

// /**
//  * Property list for all triggered notifications.
//  *
//  * @param {Function} callback
//  *      A callback function to be called with the list
//  * @param {Object?} scope
//  *      The scope for the callback function
//  */
// exports.getAllTriggered = function (callback, scope) {
//     this.exec('getTriggered', null, callback, scope);
// };

/**
 * The (platform specific) default settings.
 *
 * @return [ Object ]
 */
exports.getDefaults = function () {
    return this._defaults;
};

/**
 * Overwrite default settings.
 *
 * @param [ Object ] newDefaults New default values.
 *
 * @return [ Void ]
 */
exports.setDefaults = function (newDefaults) {
    var defaults = this.getDefaults();

    for (var key in defaults) {
        if (newDefaults.hasOwnProperty(key)) {
            defaults[key] = newDefaults[key];
        }
    }
};

/**
 * Register callback for given event.
 *
 * @param [ String ]   event    The name of the event.
 * @param [ Function ] callback The function to be exec as callback.
 * @param [ Object ]   scope    The callback function's scope.
 *
 * @return [ Void ]
 */
exports.on = function (event, callback, scope) {

    if (typeof callback !== "function")
        return;

    if (!this._listener[event]) {
        this._listener[event] = [];
    }

    var item = [callback, scope || window];

    this._listener[event].push(item);
};

/**
 * Unregister callback for given event.
 *
 * @param [ String ]   event    The name of the event.
 * @param [ Function ] callback The function to be exec as callback.
 *
 * @return [ Void ]
 */
exports.un = function (event, callback) {
    var listener = this._listener[event];

    if (!listener)
        return;

    for (var i = 0; i < listener.length; i++) {
        var fn = listener[i][0];

        if (fn == callback) {
            listener.splice(i, 1);
            break;
        }
    }
};