/**
 * GNU LibreJS - A browser add-on to block nonfree nontrivial JavaScript.
 * *
 * Copyright (C) 2011, 2012 Loic J. Duros
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see  <http://www.gnu.org/licenses/>.
 *
 */

var crypto = require('script_entries/crypto');

exports.allScripts = {

    scripts: {},

    truncateJsData: function (scriptObj) {
	if (scriptObj.contents == undefined) {
	    console.log('this is an inline script', scriptObj.value);
	    console.log('this is an src', scriptObj.url);
	}
	if (scriptObj.contents.length > 1000) {
	    scriptObj.contents = scriptObj.contents.substring(0, 1000);
	    scriptObj.contents += '…';
	}

    },

    setHash: function (scriptObj) {
	scriptObj.hash = crypto.sha1Encrypt(scriptObj.contents);
	return scriptObj.hash;
    },

    getScripts: function (url) {
	if (!this.scripts[url]) {
	    return false;
	} else {
	    return this.scripts[url];
	}
    },

    reverseArray: function (url) {
	this.scripts[url].reverse();
    },

    getOrInitScripts: function (url) {
	if (this.scripts[url] == undefined) {
	    this.scripts[url] = [];
	}
	return this.scripts[url];
    },

    isFound: function(url, data) {
	var pageScripts = this.getOrInitScripts(url),
	    i = 0,
	    le = pageScripts.length;


	// check that entry doesn't exist.
	if (data.inline === false) {
	    for (; i < le; i++) {
		if (pageScripts[i].contents === data.contents) {
		    return true;
		}
	    }
	} else if (data.inline === true) {

	    for (; i < le; i++) {

		if (pageScripts[i].hash === crypto.sha1Encrypt(data.contents)) {
		    return true;
		}

	    }
	    
	}

	return false;
    }
};