<?php

if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}

class Content extends Admin_Controller
{

    public function __construct()
    {
        parent::__construct();
    }

    public function index()
    {

        $this->session->set_userdata('top_menu', 'Download Center');
        $this->session->set_userdata('sub_menu', 'admin/content');
        $user_role                 = $this->customlib->getStaffRole();
        $data['title']             = 'Upload Content';
        $data['title_list']        = 'Upload Content List';
        $data['content_available'] = $this->customlib->contentAvailabelFor();
        $ght                       = $this->customlib->getcontenttype();
        $role                      = json_decode($user_role);

        $list = $this->content_model->getContentByRole($this->customlib->getStaffID(), $role->name);

        $class = $this->class_model->get();

        $data['list']      = $list;
        $data['classlist'] = $class;
        $userdata          = $this->customlib->getUserData();
        $carray            = array();
        $data['ght']       = $ght;
        $this->form_validation->set_rules('content_title', $this->lang->line('content_title'), 'trim|required|xss_clean');
        $this->form_validation->set_rules('content_type', $this->lang->line('content_type'), 'trim|required|xss_clean');
        $this->form_validation->set_rules('content_available[]', $this->lang->line('available_for'), 'trim|required|xss_clean');
        $this->form_validation->set_rules('upload_date', $this->lang->line('date'), 'trim|required|xss_clean');
        $post_data = $this->input->post();

        if (isset($post_data['content_available']) and !isset($post_data['visibility']) and (in_array("student", $post_data['content_available']))) {
            $this->form_validation->set_rules('class_id', $this->lang->line('class'), 'trim|required|xss_clean');
            $this->form_validation->set_rules('section_id', $this->lang->line('section'), 'trim|required|xss_clean');
        }

        $this->form_validation->set_rules('file', $this->lang->line('image'), 'callback_handle_upload');
        if ($this->form_validation->run() == false) {

            $this->load->view('layout/header');
            $this->load->view('admin/content/createcontent', $data);
            $this->load->view('layout/footer');
        } else {

            $vs                = $this->input->post('visibility');
            $content_available = $this->input->post('content_available');
            $visibility        = "No";
            $classes           = "";
            $section_id        = "";
            if (in_array('student', $content_available) && isset($vs)) {
                $visibility = $this->input->post('visibility');
            } elseif (in_array('student', $content_available) && !isset($vs)) {
                $section_id = $this->input->post('section_id');
                $classes    = $this->input->post('class_id');
            } else {

            }

            $content_for = array();
            foreach ($content_available as $cont_avail_key => $cont_avail_value) {
                $content_for[] = array('role' => $cont_avail_value);
            }

            $data = array(
                'title'      => $this->input->post('content_title'),
                'type'       => $this->input->post('content_type'),
                'note'       => $this->input->post('note'),
                'class_id'   => $classes,
                'cls_sec_id' => $section_id,
                'created_by' => $this->customlib->getStaffID(),
                'file'       => $this->input->post('file'),
                'is_public'  => $visibility,
            );

            if (isset($_POST['upload_date']) && $_POST['upload_date'] != '') {

                $data['date'] = date('Y-m-d', $this->customlib->datetostrtotime($this->input->post('upload_date')));
            }

            $insert_id = $this->content_model->add($data, $content_for);
            if (isset($_FILES["file"]) && !empty($_FILES['file']['name'])) {
                $fileInfo = pathinfo($_FILES["file"]["name"]);
                $img_name = $insert_id . '.' . $fileInfo['extension'];
                move_uploaded_file($_FILES["file"]["tmp_name"], "./uploads/school_content/material/" . $img_name);
                $data_img = array('id' => $insert_id, 'file' => 'uploads/school_content/material/' . $img_name);
                $this->content_model->add($data_img);
            }
            $this->session->set_flashdata('msg', '<div class="alert alert-success text-left">' . $this->lang->line('success_message') . '</div>');
            redirect('admin/content');
        }
    }

    public function index1()
    {

        $this->customlib->getStaffRole();

        $data['title']             = 'Upload Content';
        $data['title_list']        = 'Upload Content List';
        $data['content_available'] = $this->customlib->contentAvailabelFor();
        $ght                       = $this->customlib->getcontenttype();
        $list                      = $this->content_model->get();
        $class                     = $this->class_model->get();
        $data['list']              = $list;
        $data['classlist']         = $class;
        $data['ght']               = $ght;
        $this->form_validation->set_rules('content_title', 'Content Title', 'trim|required|xss_clean');
        $this->form_validation->set_rules('content_type', 'Content Type', 'trim|required|xss_clean');
        $this->form_validation->set_rules('content_available[]', 'Available for', 'trim|required|xss_clean');
        $post_data = $this->input->post();

        if (isset($post_data['content_available']) and !isset($post_data['visibility']) and (in_array("student", $post_data['content_available']))) {
            $this->form_validation->set_rules('class_id', 'Class', 'trim|required|xss_clean');
            $this->form_validation->set_rules('section_id', 'Section', 'trim|required|xss_clean');
        }

        $this->form_validation->set_rules('file', 'Image', 'callback_handle_upload');
        if ($this->form_validation->run() == false) {
            $this->load->view('layout/header');
            $this->load->view('admin/content/createcontent', $data);
            $this->load->view('layout/footer');
        } else {

            $vs                = $this->input->post('visibility');
            $content_available = $this->input->post('content_available');
            $visibility        = "No";
            $classes           = "";
            $section_id        = "";
            if (in_array('student', $content_available) && isset($vs)) {
                $visibility = $this->input->post('visibility');
            } elseif (in_array('student', $content_available) && !isset($vs)) {
                $section_id = $this->input->post('section_id');
                $classes    = $this->input->post('class_id');
            } else {

            }

            $content_for = array();
            foreach ($content_available as $cont_avail_key => $cont_avail_value) {
                $content_for[] = array('role' => $cont_avail_value);
            }

            $data = array(
                'title'      => $this->input->post('content_title'),
                'type'       => $this->input->post('content_type'),
                'note'       => $this->input->post('note'),
                'class_id'   => $classes,
                'cls_sec_id' => $section_id,
                'date'       => date('Y-m-d', $this->customlib->datetostrtotime($this->input->post('upload_date'))),
                'file'       => $this->input->post('file'),
                'is_public'  => $visibility,
            );

            $insert_id = $this->content_model->add($data, $content_for);
            if (isset($_FILES["file"]) && !empty($_FILES['file']['name'])) {
                $fileInfo = pathinfo($_FILES["file"]["name"]);
                $img_name = $insert_id . '.' . $fileInfo['extension'];
                move_uploaded_file($_FILES["file"]["tmp_name"], "./uploads/school_content/material/" . $img_name);
                $data_img = array('id' => $insert_id, 'file' => 'uploads/school_content/material/' . $img_name);
                $this->content_model->add($data_img);
            }
            $this->session->set_flashdata('msg', '<div class="alert alert-success text-left">Content added successfully</div>');
            redirect('admin/content');
        }
    }

    public function handle_upload()
    {
        $image_validate = $this->config->item('file_validate');
        $result         = $this->filetype_model->get();
        if (isset($_FILES["file"]) && !empty($_FILES['file']['name'])) {

            $file_type         = $_FILES["file"]['type'];
            $file_size         = $_FILES["file"]["size"];
            $file_name         = $_FILES["file"]["name"];
            $allowed_extension = array_map('trim', array_map('strtolower', explode(',', $result->file_extension)));
            $allowed_mime_type = array_map('trim', array_map('strtolower', explode(',', $result->file_mime)));
            $ext               = strtolower(pathinfo($file_name, PATHINFO_EXTENSION));

            if ($files = filesize($_FILES['file']['tmp_name'])) {

                if (!in_array($file_type, $allowed_mime_type)) {
                    $this->form_validation->set_message('handle_upload', $this->lang->line('file_type_not_allowed'));
                    return false;
                }
                if (!in_array($ext, $allowed_extension) || !in_array($file_type, $allowed_mime_type)) {
                    $this->form_validation->set_message('handle_upload', $this->lang->line('file_type_not_allowed'));
                    return false;
                }
                if ($file_size > $result->file_size) {
                    $this->form_validation->set_message('handle_upload', $this->lang->line('file_size_shoud_be_less_than') . 
                    number_format($result->file_size / 1048576, 2) . ' MB');
                    return false;
                }
            } else {
                $this->form_validation->set_message('handle_upload', 'File size is too small');
                return false;
            }

            return true;
        } else {
            $this->form_validation->set_message('handle_upload', $this->lang->line('the_file_field_is_required'));
            return false;
        }
    }

    public function download($file)
    {

        $this->load->helper('download');
        $filepath = "./uploads/school_content/material/" . $this->uri->segment(7);
        $data     = file_get_contents($filepath);
        $name     = $this->uri->segment(7);
        force_download($name, $data);
    }

    public function edit($id)
    {
        if (!$this->rbac->hasPrivilege('upload_content', 'can_edit')) {
            access_denied();
        }
        $data['title']     = 'Add Content';
        $data['id']        = $id;
        $editpost          = $this->content_model->get($id);
        $data['editpost']  = $editpost;
        $ght               = $this->customlib->getcontenttype();
        $data['ght']       = $ght;
        $class             = $this->class_model->get();
        $data['classlist'] = $class;
        $this->form_validation->set_rules('content_title', $this->lang->line('content_title'), 'trim|required|xss_clean');
        if ($this->form_validation->run() == false) {
            $listpost         = $this->content_model->get();
            $data['listpost'] = $listpost;
            $this->load->view('layout/header');
            $this->load->view('admin/content/editpost', $data);
            $this->load->view('layout/footer');
        } else {
            $data = array(
                'id'            => $this->input->post('id'),
                'content_title' => $this->input->post('content_title'),
                'content_type'  => $this->input->post('content_type'),
                'class_id'      => $this->input->post('class_id'),
                'date'          => date('Y-m-d', $this->customlib->datetostrtotime($this->input->post('upload_date'))),
                'file_uploaded' => $this->input->file['file']['name'],
            );
            $this->content_model->addcontentpost($data);
            if (isset($_FILES["file"]) && !empty($_FILES['file']['name'])) {
                $fileInfo = pathinfo($_FILES["file"]["name"]);
                $img_name = $id . '.' . $fileInfo['extension'];
                move_uploaded_file($_FILES["file"]["tmp_name"], "./uploads/student_images/" . $img_name);
                $data_img = array('id' => $id, 'file_uploaded' => 'uploads/student_images/' . $img_name);
                $this->content_model->addcontentpost($data_img);
            }
            $this->session->set_flashdata('msg', '<div class="alert alert-success text-center">' . $this->lang->line('success_message') . '</div>');
            redirect('admin/content/createcontent/index');
        }
    }

    public function delete($id)
    {
        if (!$this->rbac->hasPrivilege('upload_content', 'can_delete')) {
            access_denied();
        }
        $data = $this->content_model->get($id);
        $file = $data['file'];
        unlink($file);
        $this->content_model->remove($id);
        redirect('admin/content');
    }

    public function deleteassignment($id, $page)
    {
        if (!$this->rbac->hasPrivilege('upload_content', 'can_delete')) {
            access_denied();
        }
        $this->content_model->remove($id);        
        redirect('admin/content/' . $page);       
    }

    public function assignment()
    {
        $this->session->set_userdata('top_menu', 'Download Center');
        $this->session->set_userdata('sub_menu', 'content/assignment');
        $data['title_list'] = 'Assignment List';
        $list               = $this->content_model->getListByCategory("assignments");
        $data['list']       = $list;
        $this->load->view('layout/header');
        $this->load->view('admin/content/assignment', $data);
        $this->load->view('layout/footer');
    }

    public function studymaterial()
    {
        $this->session->set_userdata('top_menu', 'Download Center');
        $this->session->set_userdata('sub_menu', 'content/studymaterial');
        $data['title_list'] = 'Study Material List';
        $list               = $this->content_model->getListByCategory("study_material");
        $data['list']       = $list;
        $this->load->view('layout/header');
        $this->load->view('admin/content/studymaterial', $data);
        $this->load->view('layout/footer');
    }

    public function syllabus()
    {
        $this->session->set_userdata('top_menu', 'Download Center');
        $this->session->set_userdata('sub_menu', 'content/syllabus');
        $data['title_list'] = 'Syllabus List';
        $list               = $this->content_model->getListByCategory("syllabus");
        $data['list']       = $list;
        $this->load->view('layout/header');
        $this->load->view('admin/content/syllabus', $data);
        $this->load->view('layout/footer');
    }

    public function other()
    {
        $this->session->set_userdata('top_menu', 'Download Center');
        $this->session->set_userdata('sub_menu', 'content/other');
        $data['title_list'] = 'Other Download List';
        $list               = $this->content_model->getListByCategory("other_download");
        $data['list']       = $list;
        $this->load->view('layout/header');
        $this->load->view('admin/content/other', $data);
        $this->load->view('layout/footer');
    }

}