#!/usr/bin/env php
<?php
// Minimal single-call wrapper around codex exec
if ($argc < 2) {
    exit("Usage: php run.php <target_directory> [start_line]\n");
}

$targetDir = $argv[1];
$startFrom = (isset($argv[2]) && is_numeric($argv[2])) ? max(1, (int)$argv[2]) : 1;

if (!is_dir($targetDir)) {
    exit("Directory '$targetDir' does not exist\n");
}

chdir($targetDir);
$prompt = trim(@file_get_contents('prompt'));
$inputs = file('input', FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
if (!$inputs) exit("No inputs\n");
if ($startFrom > 1) {
    $inputs = array_slice($inputs, $startFrom - 1);
}

$runRoot = 'outputs';
if (!is_dir($runRoot)) mkdir($runRoot, 0777, true);
$runDir = sprintf('%s/run_%s', $runRoot, date('Ymd_His'));
mkdir($runDir, 0777, true);

$model = getenv('MODEL_NAME') ?: 'gpt-5.1-codex-max';

foreach ($inputs as $i => $line) {
    $runNo = $startFrom + $i;
    $fullPrompt = trim($prompt . "\n" . $line);
    $cmd = sprintf(
        "codex exec --model %s --skip-git-repo-check --dangerously-bypass-approvals-and-sandbox %s 2>&1",
        escapeshellarg($model),
        escapeshellarg($fullPrompt)
    );
    $output = shell_exec($cmd);
    $file = sprintf('%s/run_%02d.txt', $runDir, $runNo);
    file_put_contents($file, "Input: $line\n\nPrompt:\n$fullPrompt\n\nOutput:\n$output\n");
    echo "Run $runNo complete -> $file\n";
}