<?php

use PHPUnit\Framework\TestCase;

/**
 * Tests for modules-available/rebootcontrol/inc/rebootutils.inc.php using the SQLite-backed DB.
 *
 */
class RebootUtilsTest extends TestCase
{
    protected function setUp(): void
    {
        Database::resetSchema();
        Message::reset();
        User::reset();
        $_GET = $_POST = $_REQUEST = [];
        require_once __DIR__ . '/../../../modules-available/rebootcontrol/inc/rebootutils.inc.php';
    }

    public function testGetMachinesByUuidAssocAndFlat(): void
    {
        // Seed a couple of machines
        Database::exec("INSERT INTO machine (machineuuid, subnetlocationid, locationid, hostname, clientip, state)
                VALUES ('RU-1', 1, 2, 'h1', '10.0.0.10', 'IDLE')");
        Database::exec("INSERT INTO machine (machineuuid, subnetlocationid, locationid, hostname, clientip, state)
                VALUES ('RU-2', 1, 3, 'h2', '10.0.0.11', 'OFFLINE')");

        $flat = RebootUtils::getMachinesByUuid(['RU-1', 'RU-2']);
        $this->assertCount(2, $flat);
        $this->assertEqualsCanonicalizing(['RU-2', 'RU-1'], array_column($flat, 'machineuuid'));

        $assoc = RebootUtils::getMachinesByUuid(['RU-1', 'RU-2'], true);
        $this->assertArrayHasKey('RU-1', $assoc);
        $this->assertSame('h1', $assoc['RU-1']['hostname']);
    }

    public function testSortRunningFirstOrdersIdleAndOccupiedFirst(): void
    {
        $arr = [
            ['state' => 'OFFLINE', 'x' => 3],
            ['state' => 'OCCUPIED', 'x' => 2],
            ['state' => 'IDLE', 'x' => 1],
        ];
        RebootUtils::sortRunningFirst($arr);
        $this->assertContains($arr[0]['state'], ['IDLE', 'OCCUPIED']);
		 $this->assertContains($arr[1]['state'], ['IDLE', 'OCCUPIED']);
        $this->assertSame('OFFLINE', $arr[2]['state']);
    }

    public function testGetFilteredMachineListFiltersByPermissionAndWarnings(): void
    {
        // Seed machines
        Database::exec("INSERT INTO machine (machineuuid, subnetlocationid, locationid, hostname, clientip, state)
                VALUES ('RU-3', 1, 2, 'h3', '10.0.0.12', 'IDLE')");
        Database::exec("INSERT INTO machine (machineuuid, subnetlocationid, locationid, hostname, clientip, state)
                VALUES ('RU-4', 1, 5, 'h4', '10.0.0.13', 'IDLE')");

        // No permissions -> both filtered out
        User::$loggedIn = true;
        User::$permissions = []; // User::hasPermission returns false
        $out = RebootUtils::getFilteredMachineList(['RU-3', 'RU-4'], '.rebootcontrol.action.exec');
        $this->assertFalse($out);
        $this->assertContains('no-clients-selected', Message::$errors);
        $this->assertContains('locations.no-permission-location', Message::$warnings);

        // Allow only location 2 via hasPermission -> return only RU-3
        Message::reset();
        User::$permissions = ['.rebootcontrol.action.exec' => true];
        // Stub User::hasPermission(location) in our global stub doesn't consult location, so to simulate filtering
        // insert just one requested id and assert it comes back
        $out2 = RebootUtils::getFilteredMachineList(['RU-3'], '.rebootcontrol.action.exec');
        $this->assertIsArray($out2);
        $this->assertCount(1, $out2);
        $this->assertSame('RU-3', $out2[0]['machineuuid']);
    }
}