/*
 *  Copyright (c) Codiad & Kent Safranski (codiad.com), distributed
 *  as-is and without warranty under the MIT License. See
 *  [root]/license.txt for more. This information must remain intact.
 */

//////////////////////////////////////////////////////////////////////
// Use window.load to delay until project scripts load
//////////////////////////////////////////////////////////////////////

$(window)
    .load(function() {
    filemanager.init();
});

var filemanager = {

    clipboard: '',

    no_open: ['jpg', 'jpeg', 'png', 'gif', 'svg', 'bmp', 'exe', 'zip', 'tar', 'tar.gz'],

    controller: 'components/filemanager/controller.php',
    dialog: 'components/filemanager/dialog.php',
    dialog_upload: 'components/filemanager/dialog_upload.php',

    init: function() {
        // Initialize node listener
        this.node_listener();
        // Load uploader
        $.loadScript("components/filemanager/upload_scripts/jquery.ui.widget.js", true);
        $.loadScript("components/filemanager/upload_scripts/jquery.iframe-transport.js", true);
        $.loadScript("components/filemanager/upload_scripts/jquery.fileupload.js", true);
    },

    //////////////////////////////////////////////////////////////////
    // Listen for dbclick events on nodes
    //////////////////////////////////////////////////////////////////

    node_listener: function() {
        $('#file-manager a')
            .live('dblclick', function() { // Open or Expand
            if ($(this)
                .hasClass('directory')) {
                filemanager.index($(this)
                    .attr('data-path'));
            } else {
                filemanager.open_file($(this)
                    .attr('data-path'));
            }
        })
            .live("contextmenu", function(e) { // Context Menu
            e.preventDefault();
            filemanager.context_menu_show(e, $(this)
                .attr('data-path'), $(this)
                .attr('data-type'));
            $(this)
                .addClass('context-menu-active');
        });
    },

    //////////////////////////////////////////////////////////////////
    // Context Menu
    //////////////////////////////////////////////////////////////////

    context_menu_show: function(e, path, type) {
        // Selective options
        switch (type) {
        case 'directory':
            $('#context-menu .directory-only, #context-menu .non-root')
                .show();
            $('#context-menu .file-only')
                .hide();
            break;
        case 'file':
            $('#context-menu .directory-only')
                .hide();
            $('#context-menu .file-only,#context-menu .non-root')
                .show();
            break;
        case 'root':
            $('#context-menu .directory-only')
                .show();
            $('#context-menu .non-root, #context-menu .file-only')
                .hide();
            break;
        }
        // Show menu
        $('#context-menu')
            .css({
            'top': (e.pageY - 10) + 'px',
            'left': (e.pageX - 10) + 'px'
        })
            .fadeIn(200)
            .attr('data-path', path)
            .attr('data-type', type);
        // Show faded 'paste' if nothing in clipboard
        if (this.clipboard === '') {
            $('#context-menu a[content="Paste"]')
                .addClass('disabled');
        } else {
            $('#context-menu a[data-action="paste"]')
                .removeClass('disabled');
        }
        // Hide menu
        $('#file-manager, #editor-region')
            .on('mouseover', function() {
            filemanager.context_menu_hide();
        });
        // Hide on click
        $('#context-menu a')
            .click(function() {
            filemanager.context_menu_hide();
        });
    },

    context_menu_hide: function() {
        $('#context-menu')
            .fadeOut(200);
        $('#file-manager a')
            .removeClass('context-menu-active');
    },

    //////////////////////////////////////////////////////////////////
    // Return the node name (sans path)
    //////////////////////////////////////////////////////////////////

    get_short_name: function(path) {
        return path.split('/')
            .pop();
    },

    //////////////////////////////////////////////////////////////////
    // Return extension
    //////////////////////////////////////////////////////////////////

    get_extension: function(path) {
        return path.split('.')
            .pop();
    },

    //////////////////////////////////////////////////////////////////
    // Return type
    //////////////////////////////////////////////////////////////////

    get_type: function(path) {
        return $('#file-manager a[data-path="' + path + '"]')
            .attr('data-type');
    },

    //////////////////////////////////////////////////////////////////
    // Create node in file tree
    //////////////////////////////////////////////////////////////////

    create_object: function(parent, path, type) {
        // NODE FORMAT: <li><a class="{type} {ext-file_extension}" data-type="{type}" data-path="{path}">{short_name}</a></li>
        var parent_node = $('#file-manager a[data-path="' + parent + '"]');
        if (!$('#file-manager a[data-path="' + path + '"]')
            .length) { // Doesn't already exist
            if (parent_node.hasClass('open') && parent_node.hasClass('directory')) { // Only append node if parent is open (and a directory)
                var short_name = filemanager.get_short_name(path);
                if (type == 'directory') {
                    var appendage = '<li><a class="directory" data-type="directory" data-path="' + path + '">' + short_name + '</a></li>';
                } else {
                    var appendage = '<li><a class="file ext-' + filemanager.get_extension(short_name) + '" data-type="file" data-path="' + path + '">' + short_name + '</a></li>';
                }
                if (parent_node.siblings('ul')
                    .length) { // UL exists, other children to play with
                    parent_node.siblings('ul')
                        .append(appendage);
                } else {
                    $('<ul>' + appendage + '</ul>')
                        .insertAfter(parent_node);
                }
            }
        }
    },

    //////////////////////////////////////////////////////////////////
    // Loop out all files and folders in directory path
    //////////////////////////////////////////////////////////////////

    index: function(path, rescan) {
        if (rescan === undefined) {
            rescan = false;
        }
        node = $('#file-manager a[data-path="' + path + '"]');
        if (node.hasClass('open') && !rescan) {
            node.parent('li')
                .children('ul')
                .slideUp(300, function() {
                $(this)
                    .remove();
                node.removeClass('open');
            });
        } else {
            node.addClass('loading');
            $.get(this.controller + '?action=index&path=' + path, function(data) {
                node.addClass('open');
                objects_response = jsend.parse(data);
                if (objects_response != 'error') {
                    files = objects_response.index;
                    if (files.length > 0) {
                        var display = 'display:none;';
                        if (rescan) {
                            display = '';
                        }
                        var appendage = '<ul style="' + display + '">';
                        $.each(files, function(index) {
                            var ext = '';
                            var name = files[index].name.replace(path, '');
                            name = name.split('/')
                                .join(' ');
                            if (files[index].type == 'file') {
                                var ext = ' ext-' + name.split('.')
                                    .pop();
                            }
                            appendage += '<li><a class="' + files[index].type + ext + '" data-type="' + files[index].type + '" data-path="' + files[index].name + '">' + name + '</a></li>';
                        });
                        appendage += '</ul>';
                        if (rescan) {
                            node.parent('li')
                                .children('ul')
                                .remove();
                        }
                        $(appendage)
                            .insertAfter(node);
                        if (!rescan) {
                            node.siblings('ul')
                                .slideDown(300);
                        }
                    }
                }
                node.removeClass('loading');
                if (rescan && filemanager.rescan_children.length > filemanager.rescan_counter) {
                    filemanager.rescan(filemanager.rescan_children[filemanager.rescan_counter++]);
                } else {
                    filemanager.rescan_children = [];
                    filemanager.rescan_counter = 0;
                }
            });
        }
    },

    rescan_children: [],

    rescan_counter: 0,

    rescan: function(path) {
        if (filemanager.rescan_counter === 0) {
            // Create array of open directories
            node = $('#file-manager a[data-path="' + path + '"]');
            node.parent()
                .find('a.open')
                .each(function() {
                filemanager.rescan_children.push($(this)
                    .attr('data-path'));
            });
        }

        filemanager.index(path, true);
    },

    //////////////////////////////////////////////////////////////////
    // Open File
    //////////////////////////////////////////////////////////////////

    open_file: function(path) {
        var ext = filemanager.get_extension(path);
        if ($.inArray(ext, filemanager.no_open) < 0) {
            $.get(this.controller + '?action=open&path=' + path, function(data) {
                open_response = jsend.parse(data);
                if (open_response != 'error') {
                    active.open(path, open_response.content, false);
                    // editor.open(path, open_response.content);
                }
            });
        } else {
            filemanager.download(path);
        }
    },

    //////////////////////////////////////////////////////////////////
    // Open in browser
    //////////////////////////////////////////////////////////////////

    open_in_browser: function(path) {
        $.get(this.controller + '?action=open_in_browser&path=' + path, function(data) {
            openib_response = jsend.parse(data);
            if (openib_response != 'error') {
                window.open(openib_response.url, '_newtab');
            }
        });
    },

    //////////////////////////////////////////////////////////////////
    // Save file
    //////////////////////////////////////////////////////////////////

    save_file: function(path, content, callbacks) {
        callbacks = callbacks || {};
        var _this = this;
        var notify_save_err = function() {
            message.error('File could not be saved');
            if (typeof callbacks.error === 'function') {
                var context = callbacks.context || _this;
                callbacks.error.apply(context, [data]);
            }
        }
        $.post(this.controller + '?action=modify&path=' + path, {
            content: content
        }, function(data) {
            save_response = jsend.parse(data);
            if (save_response != 'error') {
                message.success('File Saved');
            }
            if (typeof callbacks.success === 'function') {
                var context = callbacks.context || _this;
                callbacks.success.apply(context, [data]);
            } else {
                notify_save_err();
            }
        })
            .error(notify_save_err);
    },

    //////////////////////////////////////////////////////////////////
    // Create Object
    //////////////////////////////////////////////////////////////////

    create_node: function(path, type) {
        modal.load(250, this.dialog + '?action=create&type=' + type + '&path=' + path);
        $('#modal-content form')
            .live('submit', function(e) {
            e.preventDefault();
            var short_name = $('#modal-content form input[name="object_name"]')
                .val();
            var path = $('#modal-content form input[name="path"]')
                .val();
            var type = $('#modal-content form input[name="type"]')
                .val();
            var create_path = path + '/' + short_name;
            $.get(filemanager.controller + '?action=create&path=' + create_path + '&type=' + type, function(data) {
                create_response = jsend.parse(data);
                if (create_response != 'error') {
                    message.success(type.charAt(0)
                        .toUpperCase() + type.slice(1) + ' Created');
                    modal.unload();
                    // Add new element to filemanager screen
                    filemanager.create_object(path, create_path, type);
                }
            });
        });
    },

    //////////////////////////////////////////////////////////////////
    // Copy to Clipboard
    //////////////////////////////////////////////////////////////////

    copy_node: function(path) {
        this.clipboard = path;
        message.success('Copied to Clipboard');
    },

    //////////////////////////////////////////////////////////////////
    // Paste
    //////////////////////////////////////////////////////////////////

    paste_node: function(path) {
        if (this.clipboard == '') {
            message.error('Nothing in Your Clipboard');
        } else if (path == filemanager.clipboard) {
            message.error('Cannot Paste Directory Into Itself');
        } else {
            var short_name = filemanager.get_short_name(filemanager.clipboard);
            if ($('#file-manager a[data-path="' + path + '/' + short_name + '"]')
                .length) { // Confirm overwrite?
                modal.load(400, this.dialog + '?action=overwrite&path=' + path + '/' + short_name);
                $('#modal-content form')
                    .live('submit', function(e) {
                    e.preventDefault();
                    filemanager.process_paste_node(path);
                });
            } else { // No conflicts; proceed...
                filemanager.process_paste_node(path);
            }
        }
    },

    process_paste_node: function(path) {
        var short_name = filemanager.get_short_name(filemanager.clipboard);
        var type = filemanager.get_type(filemanager.clipboard);
        $.get(filemanager.controller + '?action=duplicate&path=' + filemanager.clipboard + '&destination=' + path + '/' + short_name, function(data) {
            paste_response = jsend.parse(data);
            if (paste_response != 'error') {
                filemanager.create_object(path, path + '/' + short_name, type);
                modal.unload();
            }
        });
    },

    //////////////////////////////////////////////////////////////////
    // Rename
    //////////////////////////////////////////////////////////////////

    rename_node: function(path) {
        var short_name = filemanager.get_short_name(path);
        var type = filemanager.get_type(path);
        modal.load(250, this.dialog + '?action=rename&path=' + path + '&short_name=' + short_name + '&type=' + type);
        $('#modal-content form')
            .live('submit', function(e) {
            e.preventDefault();
            new_name = $('#modal-content form input[name="object_name"]')
                .val();
            // Build new path
            var arr = path.split('/');
            var temp = new Array();
            for (i = 0; i < arr.length - 1; i++) {
                temp.push(arr[i])
            }
            new_path = temp.join('/') + '/' + new_name;
            $.get(filemanager.controller + '?action=modify&path=' + path + '&new_name=' + new_name, function(data) {
                rename_response = jsend.parse(data);
                if (rename_response != 'error') {
                    message.success(type.charAt(0)
                        .toUpperCase() + type.slice(1) + ' Renamed');
                    var node = $('#file-manager a[data-path="' + path + '"]');
                    // Change pathing and name for node
                    node.attr('data-path', new_path)
                        .html(new_name);
                    if (type == 'file') { // Change icons for file
                        cur_ext_class = 'ext-' + filemanager.get_extension(path);
                        new_ext_class = 'ext-' + filemanager.get_extension(new_path);
                        $('#file-manager a[data-path="' + new_path + '"]')
                            .removeClass(cur_ext_class)
                            .addClass(new_ext_class);
                    } else { // Change pathing on any sub-files/directories
                        filemanager.repath_subs(path, new_path);
                    }
                    // Change any active files
                    active.rename(path, new_path);
                    modal.unload();
                }
            });
        });
    },

    repath_subs: function(old_path, new_path) {
        $('#file-manager a[data-path="' + new_path + '"]')
            .siblings('ul')
            .find('a')
            .each(function() {
            // Hit the children, hit 'em hard
            var cur_path = $(this)
                .attr('data-path');
            var revised_path = cur_path.replace(old_path, new_path);
            $(this)
                .attr('data-path', revised_path);
        });
    },

    //////////////////////////////////////////////////////////////////
    // Delete
    //////////////////////////////////////////////////////////////////

    delete_node: function(path) {
        modal.load(400, this.dialog + '?action=delete&path=' + path);
        $('#modal-content form')
            .live('submit', function(e) {
            e.preventDefault();
            $.get(filemanager.controller + '?action=delete&path=' + path, function(data) {
                delete_response = jsend.parse(data);
                if (delete_response != 'error') {
                    var node = $('#file-manager a[data-path="' + path + '"]');
                    node.parent('li')
                        .remove();
                    // Close any active files
                    $('#active-files a')
                        .each(function() {
                        var cur_path = $(this)
                            .attr('data-path');
                        if (cur_path.indexOf(path) == 0) {
                            active.remove(cur_path);
                        }
                    });
                }
                modal.unload();
            });
        });
    },

    //////////////////////////////////////////////////////////////////
    // Search
    //////////////////////////////////////////////////////////////////

    search: function(path) {
        modal.load(500, this.dialog + '?action=search&path=' + path);
        modal.hide_overlay();
        $('#modal-content form')
            .live('submit', function(e) {
            $('#filemanager-search-processing')
                .show();
            e.preventDefault();
            search_string = $('#modal-content form input[name="search_string"]')
                .val();
            $.post(filemanager.controller + '?action=search&path=' + path, {
                search_string: search_string
            }, function(data) {
                search_response = jsend.parse(data);
                if (search_response != 'error') {
                    var results = '';
                    $.each(search_response.index, function(key, val) {
                        results += '<div><a onclick="filemanager.open_file(\'' + val['file'] + '\');setTimeout( function() { active.goto_line(' + val['line'] + '); }, 500);modal.unload();">Line ' + val['line'] + ': ' + val['file'] + '</a></div>';
                    });
                    $('#filemanager-search-results')
                        .slideDown()
                        .html(results);
                } else {
                    $('#filemanager-search-results')
                        .slideUp();
                }
                $('#filemanager-search-processing')
                    .hide();
            });
        });
    },

    //////////////////////////////////////////////////////////////////
    // Upload
    //////////////////////////////////////////////////////////////////

    upload_to_node: function(path) {
        modal.load(500, this.dialog_upload + '?path=' + path);
    },

    //////////////////////////////////////////////////////////////////
    // Download
    //////////////////////////////////////////////////////////////////

    download: function(path) {
        var type = filemanager.get_type(path);
        $('#download')
            .attr('src', 'components/filemanager/download.php?path=' + path + '&type=' + type);
    }
};