<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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.
//
// Moodle 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 Moodle. If not, see <http://www.gnu.org/licenses/>.

/**
 * This page displays the user data from a single attempt
 *
 * @package mod
 * @subpackage scorm
 * @copyright 1999 onwards Martin Dougiamas {@link http://moodle.com}
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

require_once("../../config.php");
require_once($CFG->dirroot.'/mod/scorm/locallib.php');

$user = required_param('user', PARAM_INT); // User ID

$id = optional_param('id', '', PARAM_INT); // Course Module ID, or
$a = optional_param('a', '', PARAM_INT); // SCORM ID
$b = optional_param('b', '', PARAM_INT); // SCO ID
$attempt = optional_param('attempt', '1', PARAM_INT); // attempt number

// Building the url to use for links.+ data details buildup
$url = new moodle_url('/mod/scorm/userreport.php');
$url->param('user', $user);

if ($attempt !== '1') {
    $url->param('attempt', $attempt);
}

if (!empty($id)) {
    $url->param('id', $id);
    $cm = get_coursemodule_from_id('scorm', $id, 0, false, MUST_EXIST);
    $course = $DB->get_record('course', array('id' => $cm->course), '*', MUST_EXIST);
    $scorm = $DB->get_record('scorm', array('id' => $cm->instance), '*', MUST_EXIST);
} else {
    if (!empty($b)) {
        $url->param('b', $b);
        $selsco = $DB->get_record('scorm_scoes', array('id' => $b), '*', MUST_EXIST);
        $a = $selsco->scorm;
    }
    if (!empty($a)) {
        $url->param('a', $a);
        $scorm = $DB->get_record('scorm', array('id' => $a), '*', MUST_EXIST);
        $course = $DB->get_record('course', array('id' => $scorm->course), '*', MUST_EXIST);
        $cm = get_coursemodule_from_instance('scorm', $scorm->id, $course->id, false, MUST_EXIST);
    }
}
$PAGE->set_url($url);
//END of url setting + data buildup

// checking login +logging +getting context
require_login($course->id, false, $cm);
$contextmodule = get_context_instance(CONTEXT_MODULE, $cm->id);
require_capability('mod/scorm:viewreport', $contextmodule);

add_to_log($course->id, 'scorm', 'userreport', 'userreport.php?id='.$cm->id, $scorm->id, $cm->id);
$userdata = scorm_get_user_data($user);

// Print the page header
$strreport = get_string('report', 'scorm');
$strattempt = get_string('attempt', 'scorm');

$PAGE->set_title("$course->shortname: ".format_string($scorm->name));
$PAGE->set_heading($course->fullname);
$PAGE->navbar->add($strreport, new moodle_url('/mod/scorm/report.php', array('id'=>$cm->id)));

if (empty($b)) {
    if (!empty($a)) {
        $PAGE->navbar->add("$strattempt $attempt - ".fullname($userdata));
    }
} else {
    $PAGE->navbar->add("$strattempt $attempt - ".fullname($userdata), new moodle_url('/mod/scorm/userreport.php', array('a'=>$a, 'user'=>$user, 'attempt'=>$attempt)));
    $PAGE->navbar->add($selsco->title);
}
echo $OUTPUT->header();
echo $OUTPUT->heading(format_string($scorm->name));
// End of Print the page header

//Parameter Checking
if (empty ($userdata)) {
    print_error('missingparameter');
}

//printing user details
echo $OUTPUT->box_start('generalbox boxaligncenter');
echo '<div class="mdl-align">'."\n";
echo $OUTPUT->user_picture($userdata, array('courseid'=>$course->id));
echo "<a href=\"$CFG->wwwroot/user/view.php?id=$user&amp;course=$course->id\">".
    "$userdata->firstname $userdata->lastname</a><br />";
echo get_string('attempt', 'scorm').': '.$attempt;
echo '</div>'."\n";
echo $OUTPUT->box_end();

if ($scoes = $DB->get_records_select('scorm_scoes', "scorm=? ORDER BY id", array($scorm->id))) {
    // Print general score data
    $table = new html_table();
    $table->head = array(
            get_string('title', 'scorm'),
            get_string('status', 'scorm'),
            get_string('time', 'scorm'),
            get_string('score', 'scorm'),
            '');
    $table->align = array('left', 'center', 'center', 'right', 'left');
    $table->wrap = array('nowrap', 'nowrap', 'nowrap', 'nowrap', 'nowrap');
    $table->width = '80%';
    $table->size = array('*', '*', '*', '*', '*');
    foreach ($scoes as $sco) {
        if ($sco->launch!='') {
            $row = array();
            $score = '&nbsp;';
            if ($trackdata = scorm_get_tracks($sco->id, $user, $attempt)) {
                if ($trackdata->score_raw != '') {
                    $score = $trackdata->score_raw;
                }
                if ($trackdata->status == '') {
                    $trackdata->status = 'notattempted';
                }
                $detailslink = '<a href="userreport.php?b='.$sco->id.'&amp;user='.$user.'&amp;attempt='.$attempt.'" title="'.
                get_string('details', 'scorm').'">'.get_string('details', 'scorm').'</a>';
            } else {
                $trackdata->status = 'notattempted';
                $trackdata->total_time = '&nbsp;';
                $detailslink = '&nbsp;';
            }
            $strstatus = get_string($trackdata->status, 'scorm');
            $row[] = '<img src="'.$OUTPUT->pix_url($trackdata->status, 'scorm').'" alt="'.$strstatus.'" title="'.
            $strstatus.'" />&nbsp;'.format_string($sco->title);
            $row[] = get_string($trackdata->status, 'scorm');
            $row[] = scorm_format_duration($trackdata->total_time);
            $row[] = $score;
            $row[] = $detailslink;
        } else {
            $row = array(format_string($sco->title), '&nbsp;', '&nbsp;', '&nbsp;', '&nbsp;');
        }
        $table->data[] = $row;
    }
    echo html_writer::table($table);
}

if (!empty($b)) {
    echo $OUTPUT->box_start('generalbox boxaligncenter');
    echo $OUTPUT->heading('<a href="'.$CFG->wwwroot.'/mod/scorm/player.php?a='.$scorm->id.'&amp;mode=browse&amp;scoid='.$selsco->id.'" target="_new">'.format_string($selsco->title).'</a>');
    echo '<div class="mdl-align">'."\n";
    $scoreview = '';
    if ($trackdata = scorm_get_tracks($selsco->id, $user, $attempt)) {
        if ($trackdata->score_raw != '') {
            $scoreview = get_string('score', 'scorm').':&nbsp;'.$trackdata->score_raw;
        }
        if ($trackdata->status == '') {
            $trackdata->status = 'notattempted';
        }
    } else {
        $trackdata->status = 'notattempted';
        $trackdata->total_time = '';
    }
    $strstatus = get_string($trackdata->status, 'scorm');
    echo '<img src="'.$OUTPUT->pix_url($trackdata->status, 'scorm').'" alt="'.$strstatus.'" title="'.
    $strstatus.'" />&nbsp;'.scorm_format_duration($trackdata->total_time).'<br />'.$scoreview.'<br />';
    echo '</div>'."\n";
    echo '<hr /><h2>'.get_string('details', 'scorm').'</h2>';
    // Print general score data
    $table = new html_table();
    $table->head = array(get_string('element', 'scorm'), get_string('value', 'scorm'));
    $table->align = array('left', 'left');
    $table->wrap = array('nowrap', 'nowrap');
    $table->width = '100%';
    $table->size = array('*', '*');
    $existelements = false;
    if (scorm_version_check($scorm->version, SCORM_13)) {
        $elements = array(
                'raw' => 'cmi.score.raw',
                'min' => 'cmi.score.min',
                'max' => 'cmi.score.max',
                'status' => 'cmi.completion_status',
                'time' => 'cmi.total_time');
    } else {
        $elements = array(
                'raw' => 'cmi.core.score.raw',
                'min' => 'cmi.core.score.min',
                'max' => 'cmi.core.score.max',
                'status' => 'cmi.core.lesson_status',
                'time' => 'cmi.core.total_time');
    }
    $printedelements = array();
    foreach ($elements as $key => $element) {
        if (isset($trackdata->$element)) {
            $existelements = true;
            $printedelements[]=$element;
            $row = array();
            $row[] = get_string($key, 'scorm');
            switch ($key) {
                case 'status':
                    $row[] = $strstatus;
                break;
                case 'time':
                    $row[] = s(scorm_format_duration($trackdata->$element));
                break;
                default:
                    $row[] = s($trackdata->$element);
                break;
            }
            $table->data[] = $row;
        }
    }
    if ($existelements) {
        echo '<h3>'.get_string('general', 'scorm').'</h3>';
        echo html_writer::table($table);
    }
    // Print Interactions data
    $table = new html_table();
    $table->head = array(
            get_string('identifier', 'scorm'),
            get_string('type', 'scorm'),
            get_string('result', 'scorm'),
            get_string('student_response', 'scorm'));
    $table->align = array('center', 'center', 'center', 'center');
    $table->wrap = array('nowrap', 'nowrap', 'nowrap', 'nowrap');
    $table->width = '100%';
    $table->size = array('*', '*', '*', '*', '*');
    $existinteraction = false;
    $i = 0;
    $interactionid = 'cmi.interactions.'.$i.'.id';

    while (isset($trackdata->$interactionid)) {
        $existinteraction = true;
        $printedelements[]=$interactionid;
        $elements = array(
                $interactionid,
                'cmi.interactions.'.$i.'.type',
                'cmi.interactions.'.$i.'.result',
                'cmi.interactions.'.$i.'.learner_response');
        $row = array();
        foreach ($elements as $element) {
            if (isset($trackdata->$element)) {
                $row[] = s($trackdata->$element);
                $printedelements[]=$element;
            } else {
                $row[] = '&nbsp;';
            }
        }
        $table->data[] = $row;
        $i++;
        $interactionid = 'cmi.interactions.'.$i.'.id';
    }
    if ($existinteraction) {
        echo '<h3>'.get_string('interactions', 'scorm').'</h3>';
        echo html_writer::table($table);
    }

    // Print Objectives data
    $table = new html_table();
    $table->head = array(
            get_string('identifier', 'scorm'),
            get_string('status', 'scorm'),
            get_string('raw', 'scorm'),
            get_string('min', 'scorm'),
            get_string('max', 'scorm'));
    $table->align = array('center', 'center', 'center', 'center', 'center');
    $table->wrap = array('nowrap', 'nowrap', 'nowrap', 'nowrap', 'nowrap');
    $table->width = '100%';
    $table->size = array('*', '*', '*', '*', '*');
    $existobjective = false;

    $i = 0;
    $objectiveid = 'cmi.objectives.'.$i.'.id';

    while (isset($trackdata->$objectiveid)) {
        $existobjective = true;
        $printedelements[]=$objectiveid;
        $elements = array(
                $objectiveid,
                'cmi.objectives.'.$i.'.status',
                'cmi.objectives.'.$i.'.score.raw',
                'cmi.objectives.'.$i.'.score.min',
                'cmi.objectives.'.$i.'.score.max');
        $row = array();
        foreach ($elements as $element) {
            if (isset($trackdata->$element)) {
                $row[] = s($trackdata->$element);
                $printedelements[]=$element;
            } else {
                $row[] = '&nbsp;';
            }
        }
        $table->data[] = $row;

        $i++;
        $objectiveid = 'cmi.objectives.'.$i.'.id';
    }
    if ($existobjective) {
        echo '<h3>'.get_string('objectives', 'scorm').'</h3>';
        echo html_writer::table($table);
    }
    $table = new html_table();
    $table->head = array(get_string('element', 'scorm'), get_string('elementdefinition', 'scorm'), get_string('value', 'scorm'));
    $table->align = array('left', 'left');
    $table->wrap = array('nowrap', 'wrap');
    $table->width = '100%';
    $table->size = array('*', '*');

    $existelements = false;

    foreach ($trackdata as $element => $value) {
        if (substr($element, 0, 3) == 'cmi') {
            if (!(in_array ($element, $printedelements))) {
                $existelements = true;
                $row = array();
                $string=false;
                if (stristr($element, '.id') !== false) {
                    $string="interactionsid";
                } else if (stristr($element, '.result') !== false) {
                    $string="interactionsresult";
                } else if (stristr($element, '.student_response') !== false) {
                    $string="interactionsresponse";
                } else if (stristr($element, '.type') !== false) {
                    $string="interactionstype";
                } else if (stristr($element, '.weighting') !== false) {
                    $string="interactionsweight";
                } else if (stristr($element, '.time') !== false) {
                    $string="interactionstime";
                } else if (stristr($element, '.correct_responses._count') !== false) {
                    $string="interactionscorrectcount";
                } else if (stristr($element, '.learner_response') !== false) {
                    $string="interactionslearnerresponse";
                } else if (stristr($element, '.score.min') !== false) {
                    $string="interactionsscoremin";
                } else if (stristr($element, '.score.max') !== false) {
                    $string="interactionsscoremax";
                } else if (stristr($element, '.score.raw') !== false) {
                    $string="interactionsscoreraw";
                } else if (stristr($element, '.latency') !== false) {
                    $string="interactionslatency";
                } else if (stristr($element, '.pattern') !== false) {
                    $string="interactionspattern";
                } else if (stristr($element, '.suspend_data') !== false) {
                    $string="interactionssuspenddata";
                }
                $row[]=$element;
                if (empty($string)) {
                    $row[]=null;
                } else {
                    $row[] = get_string($string, 'scorm');
                }
                if (strpos($element, '_time') === false) {
                    $row[] = s($value);
                } else {
                    $row[] = s(scorm_format_duration($value));
                }
                $table->data[] = $row;
            }
        }
    }
    if ($existelements) {
        echo '<h3>'.get_string('othertracks', 'scorm').'</h3>';
        echo html_writer::table($table);
    }
    echo $OUTPUT->box_end();
}
// Print footer

echo $OUTPUT->footer();