<?php

    require_once(dirname(__FILE__) . '/../../config.php');
    require_once($CFG->libdir.'/gradelib.php');
    require_once($CFG->dirroot.'/mod/game/locallib.php');
    require_once($CFG->libdir . '/completionlib.php');

    $id = optional_param('id', 0, PARAM_INT); // Course Module ID, or
    $q = optional_param('q',  0, PARAM_INT);  // game ID

    if ($id) {
        if (! $cm = get_coursemodule_from_id('game', $id)) {
            print_error('invalidcoursemodule');
        }
        if (! $course = $DB->get_record('course', array('id' => $cm->course))) {
            print_error('coursemisconf');
        }
        if (! $game = $DB->get_record('game', array('id' => $cm->instance))) {
            print_error('invalidcoursemodule');
        }
    } else {
        if (! $game = $DB->get_record('game', array('id' => $q))) {
            print_error('invalidgameid q='.$q, 'game');
        }
        if (! $course = $DB->get_record('course', array('id' => $game->course))) {
            print_error('invalidcourseid');
        }
        if (! $cm = get_coursemodule_from_instance('game', $game->id, $course->id)) {
            print_error('invalidcoursemodule');
        }
    }

/// Check login and get context.
    require_login($course->id, false, $cm);
    $context = game_get_context_module_instance( $cm->id);
    require_capability('mod/game:view', $context);

/// Cache some other capabilites we use several times.
    $canattempt = has_capability('mod/game:attempt', $context);
    $canreviewmine = has_capability('mod/game:reviewmyattempts', $context);

/// Create an object to manage all the other (non-roles) access rules.
    $timenow = time();
    //$accessmanager = new game_access_manager(game::create($game->id, $USER->id), $timenow);

/// If no questions have been set up yet redirect to edit.php
    //if (!$game->questions && has_capability('mod/game:manage', $context)) {
    //    redirect($CFG->wwwroot . '/mod/game/edit.php?cmid=' . $cm->id);
    //}

/// Log this request.
    add_to_log($course->id, 'game', 'view', "view.php?id=$cm->id", $game->id, $cm->id);

/// Initialize $PAGE, compute blocks
    $PAGE->set_url('/mod/game/view.php', array('id' => $cm->id));

    $edit = optional_param('edit', -1, PARAM_BOOL);
    if ($edit != -1 && $PAGE->user_allowed_editing()) {
        $USER->editing = $edit;
    }

    // Note: MDL-19010 there will be further changes to printing header and blocks.
    // The code will be much nicer than this eventually.
    $title = $course->shortname . ': ' . format_string($game->name);

    if ($PAGE->user_allowed_editing() && !empty($CFG->showblocksonmodpages)) {
        $buttons = '<table><tr><td><form method="get" action="view.php"><div>'.
            '<input type="hidden" name="id" value="'.$cm->id.'" />'.
            '<input type="hidden" name="edit" value="'.($PAGE->user_is_editing()?'off':'on').'" />'.
            '<input type="submit" value="'.get_string($PAGE->user_is_editing()?'blockseditoff':'blocksediton').'" /></div></form></td></tr></table>';
        $PAGE->set_button($buttons);
    }

    $PAGE->set_title($title);
    $PAGE->set_heading($course->fullname);

    echo $OUTPUT->header();