<?php
// This file is part of Moodle - http://moodle.org/
//
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// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
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// GNU General Public License for more details.
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namespace aiplacement_courseassist;

/**
 * AI Placement course assist utils test.
 *
 * @package    aiplacement_courseassist
 * @copyright  2024 Huong Nguyen <huongnv13@gmail.com>
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 * @covers     \aiplacement_courseassist\utils
 */
final class utils_test extends \advanced_testcase {

    /**
     * Test is_course_assist_available method.
     */
    public function test_is_course_assist_available(): void {
        global $DB;
        $this->resetAfterTest();
        $user1 = $this->getDataGenerator()->create_user();
        $user2 = $this->getDataGenerator()->create_user();
        $course = $this->getDataGenerator()->create_course();
        $context = \context_course::instance($course->id);
        $teacherrole = $DB->get_record('role', ['shortname' => 'editingteacher']);
        $this->getDataGenerator()->enrol_user($user1->id, $course->id, 'manager');
        $this->getDataGenerator()->enrol_user($user2->id, $course->id, 'editingteacher');

        // Provider is not enabled.
        $this->setUser($user1);
        set_config('enabled', 0, 'aiprovider_openai');
        $this->assertFalse(utils::is_course_assist_available($context));

        set_config('enabled', 1, 'aiprovider_openai');
        set_config('apikey', '123', 'aiprovider_openai');

        // Plugin is not enabled.
        $this->setUser($user1);
        set_config('enabled', 0, 'aiplacement_courseassist');
        $this->assertFalse(utils::is_course_assist_available($context));

        // Plugin is enabled but user does not have capability.
        assign_capability('aiplacement/courseassist:summarise_text', CAP_PROHIBIT, $teacherrole->id, $context);
        $this->setUser($user2);
        set_config('enabled', 1, 'aiplacement_courseassist');
        $this->assertFalse(utils::is_course_assist_available($context));

        // Plugin is enabled, user has capability and placement action is not available.
        $this->setUser($user1);
        set_config('summarise_text', 0, 'aiplacement_courseassist');
        $this->assertFalse(utils::is_course_assist_available($context));

        // Plugin is enabled, user has capability and provider action is not available.
        $this->setUser($user1);
        set_config('summarise_text', 0, 'aiprovider_openai');
        set_config('summarise_text', 1, 'aiplacement_courseassist');
        $this->assertFalse(utils::is_course_assist_available($context));

        // Plugin is enabled, user has capability, placement action is available and provider action is available.
        $this->setUser($user1);
        set_config('summarise_text', 1, 'aiprovider_openai');
        set_config('summarise_text', 1, 'aiplacement_courseassist');
        $this->assertTrue(utils::is_course_assist_available($context));
    }
}