<?php

namespace App\Console\Commands;

use App\Models\HostingAccount;
use App\Services\Hosting\Providers\SharedNodeProvider;
use Illuminate\Console\Command;

class AuditHostingPhpFpmPoolsCommand extends Command
{
    protected $signature = 'hosting:audit-php-fpm-pools
                            {--account= : Limit to one hosting account id}
                            {--repair : Remove duplicate pools and keep the account PHP version}';

    protected $description = 'Scan shared hosting accounts for duplicate PHP-FPM pool configs across PHP versions.';

    public function handle(SharedNodeProvider $provider): int
    {
        $accounts = HostingAccount::query()
            ->with('node')
            ->where('type', HostingAccount::TYPE_SHARED)
            ->when($this->option('account'), fn ($query, $accountId) => $query->whereKey($accountId))
            ->orderBy('id')
            ->get();

        if ($accounts->isEmpty()) {
            $this->info('No hosting accounts matched.');

            return self::SUCCESS;
        }

        $issues = 0;
        $repaired = 0;
        $failures = 0;

        foreach ($accounts as $account) {
            if (! $account->node) {
                $this->warn("[{$account->id}] {$account->username}: no node assigned");

                continue;
            }

            try {
                $versions = $provider->findPhpFpmPoolVersions($account);
            } catch (\Throwable $e) {
                $failures++;
                $this->error("[{$account->id}] {$account->username}: {$e->getMessage()}");

                continue;
            }

            if ($versions === []) {
                $this->line("[{$account->id}] {$account->username}: no pool configs found");

                continue;
            }

            $targetVersion = $account->php_version ?? '8.4';
            $status = count($versions) === 1 && $versions[0] === $targetVersion
                ? 'ok'
                : 'duplicate';

            $this->line(sprintf(
                '[%d] %s: pools=%s target=%s (%s)',
                $account->id,
                $account->username,
                implode(', ', $versions),
                $targetVersion,
                $status,
            ));

            if ($status === 'ok') {
                continue;
            }

            $issues++;

            if (! $this->option('repair')) {
                continue;
            }

            try {
                if ($provider->changeAccountPhpVersion($account, $targetVersion)) {
                    $repaired++;
                    $this->info("  repaired {$account->username}");
                } else {
                    $failures++;
                    $this->error("  failed to repair {$account->username}");
                }
            } catch (\Throwable $e) {
                $failures++;
                $this->error("  failed to repair {$account->username}: {$e->getMessage()}");
            }
        }

        $this->newLine();
        $this->info("Accounts scanned: {$accounts->count()}");
        $this->info("Issues found: {$issues}");

        if ($this->option('repair')) {
            $this->info("Repaired: {$repaired}");
            $this->info("Failures: {$failures}");
        }

        return $failures > 0 ? self::FAILURE : ($issues > 0 && ! $this->option('repair') ? self::FAILURE : self::SUCCESS);
    }
}