<?php

class pages extends Admin_Controller {

    public function __construct() {
        parent::__construct();
        $this->template->set_breadcrumb('Manage Pages', site_url('admin/pages'));
        $this->data['allEditors'] = $this->user_model->get_many_by('group', 2);
    }

    public function index() {

        switch ($this->input->post('submit')) {
            case 'New':
                redirect('admin/pages/add');
                break;
            case'Edit':
                if ($this->input->post('pageid')) {
                    redirect('admin/pages/edit/' . $this->input->post('pageid'));
                }
                else {
                    $this->session->set_flashdata('information', '<p class="red"><strong>Error - You must select a page to edit</strong></p>');
                    redirect('admin/pages');
                }
                break;
            case'Delete':
                if ($this->input->post('pageid')) {
                    redirect('admin/pages/delete/' . $this->input->post('pageid'));
                }
                else {
                    $this->session->set_flashdata('information', '<p class="red"><strong>Error - You must select a page to delete</strong></p>');
                    redirect('admin/pages');
                }
            default :
                $this->template->write_view('content', 'desktop/views/' . $this->data['viewbase'] . '/pages/index', $this->data);
                $this->template->render();
                break;
        }
    }

    /**
     * VIEW METHODS
     */
    public function add() {
        if (!isAdmin()) {
            $this->session->set_flashdata('information', '<p class="red">You do not have permission to perform this action</p>');
            redirect('/admin/pages');
        }
        $this->template->set_breadcrumb('Create Page', site_url('admin/pages/add'));
        $this->template->write_view('content', 'desktop/views/admin/pages/add', $this->data);
        $this->template->render();
    }

    public function edit() {
        $this->data['editPage'] = $this->page_model->get($this->uri->segment('4'));
        $this->template->set_breadcrumb('Edit Page: ' . $this->data['editPage']->title, site_url('admin/pages/edit/' . $this->data['editPage']->id));
        $this->template->write_view('content', 'desktop/views/' . $this->data['viewbase'] . '/pages/edit', $this->data);
        $this->template->render();
    }

    public function delete() {
        if (!isAdmin()) {
            $this->session->set_flashdata('information', '<p class="red">You do not have permission to perform this action</p>');
            redirect('/admin/pages');
        }
        $this->data['deletePage'] = $this->page_model->get($this->uri->segment('4'));
        $this->template->set_breadcrumb('Delete Page: ' . $this->data['deletePage']->title, site_url('admin/pages/delete'));
        $this->template->write_view('content', 'desktop/views/admin/pages/delete', $this->data);
        $this->template->render();
    }

    /**
     * ACTION METHODS
     */
    public function create() {
        if (!isAdmin()) {
            $this->session->set_flashdata('information', '<p class="red">You do not have permission to perform this action</p>');
            redirect('/admin/pages');
        }

        $rules = array(
            array('field' => 'title', 'label' => 'Page Title', 'rules' => 'trim|required|xss_clean|callback_title_check'),
            array('field' => 'content', 'label' => 'Page Content', 'rules' => 'trim|xss_clean'),
        );

        $this->form_validation->set_rules($rules);

        if ($this->form_validation->run()) {

            $newPage = array('title' => $this->input->post('title'), 'slug' => strtolower(url_title($this->input->post('title'), 'underscore')), 'content' => $this->input->post('content'), 'date' => date('Y-m-d H:i:s'), 'lastupdate' => date('Y-m-d H:i:s'), 'lastupdateby' => $this->session->userdata('id'));
            if ($this->input->post('index')) {
                foreach ($this->page_model->get_many_by(array('idx' => '1')) as $indexPage) {
                    $this->page_model->update_by('id', $indexPage->id, array('idx' => 0));
                }
                $newPage['idx'] = 1;
            }

            if (sizeof($this->page_model->get_all()) == 0) {
                $newPage['idx'] = '1';
            }

            $newPageID = $this->page_model->insert($newPage);


            foreach ($this->input->post('editors') as $editor) {
                $newCrossReference = array('page' => $newPageID, 'user' => $editor);
                if (!$this->xref_model->insert($newCrossReference)) {
                    exit(mysql_error());
                }
            }

            $this->session->set_flashdata('information', '<p class="green">The page was created successfully</p>');
            redirect(site_url('admin/pages'));
        }
        else {
            $this->message->set('error', explode("\n", trim(strip_tags(validation_errors()))));
            $this->template->write_view('content', 'desktop/views/admin/pages/add', $this->data);
            $this->template->render();
        }
    }

    public function update() {
        $rules = array(
            array('field' => 'title', 'label' => 'Page Title', 'rules' => 'trim|required|xss_clean|callback_update_title_check'),
        );

        $this->form_validation->set_rules($rules);

        if ($this->form_validation->run()) {
            if (isAdmin()) {
                $allEditors = array();
                foreach ($this->data['allEditors'] as $editor) {
                    $allEditors[] = $editor->id;
                }
                $editorsPosted = $this->input->post('editors');
                $editorsNotPosted = array_diff($allEditors, $editorsPosted);

                if (sizeof($editorsNotPosted) > 0) {
                    foreach ($editorsNotPosted as $editorNotPosted) {
                        $this->xref_model->delete_by(array('user' => $editorNotPosted, 'page' => $this->input->post('pageid')));
                    }
                }

                if (sizeof($editorsPosted) > 0) {
                    foreach ($editorsPosted as $editorPosted) {
                        $this->xref_model->insert(array('user' => $editorPosted, 'page' => $this->input->post('pageid')));
                    }
                }
            }

            $updatedPage = array('title' => $this->input->post('title'), 'slug' => url_title(strtolower($this->input->post('title')), 'underscore'), 'content' => $this->input->post('content'), 'lastupdate' => date('Y-m-d H:i:s'), 'lastupdateby' => $this->session->userdata('id'));

            if (isAdmin()) {
                if ($this->input->post('index')) {
                    foreach ($this->page_model->get_many_by(array('idx' => '1')) as $indexPage) {
                        $this->page_model->update_by('id', $indexPage->id, array('idx' => 0));
                    }
                    $updatedPage['idx'] = 1;
                }
            }

            if (($this->input->post('published')) | ($this->page_model->get($this->input->post('pageid'))->idx == '1') | ($this->input->post('index'))) {
                $updatedPage['published'] = 1;
            }
            else {
                $updatedPage['published'] = 0;
            }

            $this->page_model->update_by('id', $this->input->post('pageid'), $updatedPage);
            $this->session->set_flashdata('information', '<p class="green">Your Changes To ' . $this->input->post('title') . ' were saved</p>');
            redirect(site_url('admin/pages'));
        }
        else {

            $this->data['editPage'] = $this->page_model->get($this->input->post('pageid'));
            $this->template->set_breadcrumb('Edit Page: ' . $this->data['editPage']->title, site_url('admin/pages/edit/' . $this->data['editPage']->id));
            $this->message->set('error', explode("\n", trim(strip_tags(validation_errors()))));
            $this->template->write_view('content', 'desktop/views/' . $this->data['viewbase'] . '/pages/edit', $this->data);
            $this->template->render();
        }
    }

    public function drop() {
        if (!isAdmin()) {
            $this->session->set_flashdata('information', '<p class="red">You do not have permission to perform this action</p>');
            redirect('/admin/pages');
        }
        if ($this->input->post('submit') == 'Yes') {
            $this->page_model->delete_by('id', $this->input->post('pageid'));
            $this->session->set_flashdata('information', '<p class="green">The page was successfully deleted</p>');
        }

        redirect('admin/pages');
    }

    public function title_check($title) {
        if ($this->page_model->get_by('title', $title)) {
            $this->form_validation->set_message('title_check', 'The page title "' . $title . '" is already in use.');
            return FALSE;
        }
        else {
            return TRUE;
        }
    }

    public function update_title_check($title) {
        if ((sizeof($this->page_model->get_many_by('title', $title)) - 1) >= 1) {
            $this->form_validation->set_message('update_title_check', 'The page title "' . $title . '" is already in use.');
            return FALSE;
        }
        else {
            return TRUE;
        }
    }

}