<?php
declare(strict_types=1);
namespace App\Tests;
use App\Ingest\EventValidator;
use PHPUnit\Framework\TestCase;

final class EventValidatorTest extends TestCase
{
    private function valid(): array {
        return ['device_id' => 'pi-1', 'camera_id' => 'cam-1', 'event_type' => 'fall',
                'severity' => 'high', 'occurred_at' => 1000.0, 'snapshots' => ['aGk=']];
    }
    public function testAcceptsValid(): void {
        $r = EventValidator::validate($this->valid());
        $this->assertTrue($r['ok'], implode(',', $r['errors']));
        $this->assertSame('fall', $r['clean']['event_type']);
    }
    public function testRejectsOverlongIds(): void {
        // An overlong id must be a 400 (invalid), not a MySQL 'Data too long' 500 that the edge
        // then retries forever. Columns: device_id/camera_id VARCHAR(64), zone_id CHAR(32).
        $long = $this->valid(); $long['device_id'] = str_repeat('x', 65);
        $this->assertFalse(EventValidator::validate($long)['ok']);
        $cam = $this->valid(); $cam['camera_id'] = str_repeat('y', 65);
        $this->assertFalse(EventValidator::validate($cam)['ok']);
        $zone = $this->valid(); $zone['zone_id'] = str_repeat('z', 33);
        $this->assertFalse(EventValidator::validate($zone)['ok']);
        // a normal-length id still passes
        $ok = $this->valid(); $ok['device_id'] = str_repeat('x', 64);
        $this->assertTrue(EventValidator::validate($ok)['ok']);
    }
    public function testRejectsUnknownEventType(): void {
        $p = $this->valid(); $p['event_type'] = 'explode';
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsUnknownSeverity(): void {
        $p = $this->valid(); $p['severity'] = 'ULTRA';
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsMissingRequired(): void {
        $p = $this->valid(); unset($p['device_id']);
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsTooManySnapshots(): void {
        $p = $this->valid(); $p['snapshots'] = ['a', 'b', 'c', 'd'];
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsNonNumericOccurredAt(): void {
        $p = $this->valid(); $p['occurred_at'] = ['bad'];
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsNonStringDeviceId(): void {
        $p = $this->valid(); $p['device_id'] = ['x'];
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsNonArraySnapshots(): void {
        $p = $this->valid(); $p['snapshots'] = 'notarray';
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsNonStringSnapshotItem(): void {
        $p = $this->valid(); $p['snapshots'] = [123];
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
    public function testRejectsNonStringZoneId(): void {
        $p = $this->valid(); $p['zone_id'] = ['z'];
        $this->assertFalse(EventValidator::validate($p)['ok']);
    }
}