<?php

use PHPUnit\Framework\TestCase;

/**
 * Tests for modules-available/rebootcontrol/inc/scheduler.inc.php
 * Uses SQLite-backed DB and real Location + OpeningTimes.
 *
 */
class SchedulerTest extends TestCase
{
    protected function setUp(): void
    {
        Database::resetSchema();
        Render::reset();
        Message::reset();
        User::reset();
        $_GET = $_POST = $_REQUEST = [];
        // Use real Location and OpeningTimes
        $GLOBALS['__TEST_USE_REAL_CLASSES'] = ['Location'];
        require_once __DIR__ . '/../../../modules-available/locations/inc/location.inc.php';
        require_once __DIR__ . '/../../../modules-available/locations/inc/openingtimes.inc.php';
        require_once __DIR__ . '/../../../modules-available/rebootcontrol/inc/scheduler.inc.php';
        // Ensure campus (1) has opening times already from seed; adjust to predictable short window for test stability
        $today = date('l');
        $now = time();
        $open = date('H:i', $now + 3600);    // opens in 1h
        $close = date('H:i', $now + 7200);   // closes in 2h
        $json = json_encode([[ 'days' => [$today], 'openingtime' => $open, 'closingtime' => $close ]]);
        Database::exec('UPDATE location SET openingtime = :ot WHERE locationid = 1', ['ot' => $json]);
    }

    public function testSetLocationOptionsCreatesOrDeletesSchedule(): void
    {
        // Initially, no schedule rows
        $row0 = Database::queryFirst('SELECT COUNT(*) AS c FROM reboot_scheduler');
        $this->assertSame(0, (int)$row0['c']);

        // Enable WOL with small offset -> creates a schedule with next execution in future
        Scheduler::setLocationOptions(1, ['wol' => true, 'sd' => false, 'wol-offset' => 5, 'sd-offset' => 0, 'ra-mode' => Scheduler::RA_ALWAYS]);
        $row = Database::queryFirst('SELECT * FROM reboot_scheduler WHERE locationid = 1');
        $this->assertNotFalse($row);
        $this->assertSame('WOL', $row['action']);
        $this->assertGreaterThan(time(), (int)$row['nextexecution']);
        $opts = json_decode($row['options'], true);
        $this->assertIsArray($opts);
        $this->assertTrue($opts['wol']);

        // Disable all (and RA_ALWAYS) -> deletes schedule
        Scheduler::setLocationOptions(1, ['wol' => false, 'sd' => false, 'wol-offset' => 0, 'sd-offset' => 0, 'ra-mode' => Scheduler::RA_ALWAYS]);
        $row2 = Database::queryFirst('SELECT * FROM reboot_scheduler WHERE locationid = 1');
        $this->assertFalse($row2);
    }

    public function testUpdateScheduleRecursiveUpdatesChildrenWithoutOwnTimes(): void
    {
        // Give child (2) no opening times and write options
        Database::exec('UPDATE location SET openingtime = NULL WHERE locationid = 2');
        // Assign options to child 2
        Scheduler::setLocationOptions(2, ['wol' => true, 'sd' => false, 'wol-offset' => 0, 'sd-offset' => 0, 'ra-mode' => Scheduler::RA_ALWAYS]);
        // Now modify parent (1) opening time again -> should update child's schedule
        $today = date('l');
        $json = json_encode([[ 'days' => [$today], 'openingtime' => '23:59', 'closingtime' => '23:59' ]]);
        Database::exec('UPDATE location SET openingtime = :ot WHERE locationid = 1', ['ot' => $json]);
        // Trigger recalculation by setting location options on parent (even if unchanged)
        Scheduler::setLocationOptions(1, ['wol' => true, 'sd' => false, 'wol-offset' => 0, 'sd-offset' => 0, 'ra-mode' => Scheduler::RA_ALWAYS]);
        $child = Database::queryFirst('SELECT * FROM reboot_scheduler WHERE locationid = 2');
        $this->assertNotFalse($child);
        $this->assertGreaterThanOrEqual(0, (int)$child['nextexecution']);
    }
}