<?php

declare(strict_types=1);

// Template for MANAGE_UPDATE_POST_HOOK.
//
// Runs after every successful update - even when no migration ran. Runs
// AFTER the migrations and is skipped if a migration failed.
//
// Register it in manage-client/config.php:
//
//     define("MANAGE_UPDATE_POST_HOOK", [
//         "file"     => MANAGE_APP_ROOT . "/includes/after-update.php",
//         "callback" => "myProjectAfterUpdate",
//     ]);
//
// This file must be part of the release package, otherwise it's missing
// after the first update.

/**
 * @param array $context app_root, instance, from_version, to_version,
 *                       backup_dir, run_id, migrations, pdo if configured
 */
function myProjectAfterUpdate(array $context): void
{
    // 1. Discard compiled templates and caches.
    foreach (glob($context["app_root"] . "/data/cache/*.php") ?: [] as $file) {
        @unlink($file);
    }

    // 2. Create directories a new release requires.
    $newDir = $context["app_root"] . "/data/exports";
    if (!is_dir($newDir) && !mkdir($newDir, 02775, true) && !is_dir($newDir)) {
        throw new RuntimeException("Could not create directory: " . $newDir);
    }

    // 3. Log for traceability.
    @file_put_contents(
        $context["app_root"] . "/data/update-history.log",
        sprintf(
            "%s  %s -> %s  (migrations: %s)%s",
            date(DATE_ATOM),
            $context["from_version"] !== "" ? $context["from_version"] : "unknown",
            $context["to_version"],
            $context["migrations"] === [] ? "none" : implode(", ", $context["migrations"]),
            PHP_EOL,
        ),
        FILE_APPEND | LOCK_EX,
    );

    // To report failure: throw an exception, return false, or
    // return ["success" => false, "error" => "…"].
}