<?php

declare(strict_types=1);

require dirname(__DIR__) . '/vendor/autoload.php';

use app\adminapi\service\AssistantSseTiming;

$checks = 0;
function r39TimingExpect(bool $condition, string $message): void
{
    global $checks;
    ++$checks;
    if (!$condition) {
        throw new RuntimeException($message);
    }
}

$timing = new AssistantSseTiming();
$codes = [
    'TCM_FACT_STATE_CONFLICT', 'TCM_REPORT_INCOMPLETE', 'TASK_ANALYSIS_MISSING',
    'STREAM_CONTENT_MISMATCH', 'UPSTREAM_CLEANUP_PENDING',
];
foreach (['upstream_done', 'sse_done'] as $phase) {
    foreach ($codes as $code) {
        $event = $timing->event($phase, [
            'status' => 'error', 'error_code' => $code,
            'patient_id' => 123456, 'patient_name' => 'PRIVATE_PATIENT',
            'content' => 'PRIVATE_MODEL_BODY',
            'clinical_fact_state_issues' => ['UNKNOWN_TO_POSITIVE:PRIVATE_SOURCE'],
            'token' => 'PRIVATE_TOKEN',
        ]);
        r39TimingExpect(($event['error_code'] ?? null) === $code,
            'Existing failure code must survive at ' . $phase . ': ' . $code);
        r39TimingExpect(($event['status'] ?? null) === 'error' && $event['trace_id'] === $timing->id(),
            'Failure status and request trace must remain paired');
        r39TimingExpect(array_keys($event) === ['trace_id', 'phase', 'request_elapsed_ms', 'status', 'error_code'],
            'Diagnostic addition must not retain clinical text, identities or credentials');
    }
}
foreach (['TCM_FACT_STATE_CONFLICT PRIVATE_MODEL_BODY', 'UNKNOWN_TO_POSITIVE:PRIVATE_SOURCE',
    'UNKNOWN_ERROR', 'UPSTREAM_CLEANUP_PENDING\nPRIVATE_TOKEN', [], 123, null] as $bad) {
    r39TimingExpect(!array_key_exists('error_code', $timing->event('sse_done', ['error_code' => $bad])),
        'Unlisted or untyped diagnostic values must still be discarded');
}

// Exercise the actual buffered log channel used by the SSE timing writer.
$app = new \think\App(dirname(__DIR__) . '/');
$directory = sys_get_temp_dir() . '/zyt-r39-timing-' . bin2hex(random_bytes(8));
$app->config->set(['default' => 'r39', 'channels' => ['r39' => [
    'type' => 'File', 'path' => $directory, 'single' => 'timing', 'realtime_write' => false,
]]], 'log');
$app->make('log');
$file = $directory . '/timing.log';
try {
    foreach ($codes as $code) {
        $timing->log('sse_done', ['status' => 'error', 'error_code' => $code,
            'content' => 'PRIVATE_MODEL_BODY', 'token' => 'PRIVATE_TOKEN']);
    }
    $logged = is_file($file) ? (string) file_get_contents($file) : '';
    foreach ($codes as $code) {
        r39TimingExpect(str_contains($logged, '"error_code":"' . $code . '"'),
            'SSE exit path must persist the concrete safe code: ' . $code);
    }
    r39TimingExpect(str_contains($logged, $timing->id())
        && !str_contains($logged, 'PRIVATE_MODEL_BODY') && !str_contains($logged, 'PRIVATE_TOKEN'),
        'Persisted failure remains correlatable and contains no raw payload');
} finally {
    if (is_file($file)) unlink($file);
    if (is_dir($directory)) rmdir($directory);
}

echo 'R39 timing error code checks: ' . $checks . " passed\n";