<?php

namespace App\Console\Commands;

use App\Support\Suites;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;
use Symfony\Component\Console\Attribute\AsCommand;

#[AsCommand(name: 'festbench:suites:refresh', description: 'Rebuild the all_results view from the active suite registry (decommission/add lever)')]
class SuitesRefresh extends Command
{
    public function handle(): int
    {
        $suites = Suites::inAllResults();

        if ($suites->isEmpty()) {
            $this->warn('No active suites in the registry — skipping view rebuild.');

            return self::SUCCESS;
        }

        $driver = DB::connection()->getDriverName();
        $arms = $suites->map(fn (string $suite) => $this->arm($suite, $driver))->implode(' UNION ALL ');

        DB::statement('DROP VIEW IF EXISTS all_results');
        DB::statement("CREATE VIEW all_results AS {$arms}");

        $this->info('all_results view rebuilt over: '.$suites->implode(', '));

        return self::SUCCESS;
    }

    /**
     * One UNION arm per suite. All metric tables share the core column set,
     * so the arm promotes the suite name as a literal plus the common columns.
     */
    private function arm(string $suite, string $driver): string
    {
        $table = Suites::modelFor($suite)::make()->getTable();
        $quoted = $driver === 'pgsql' ? "'{$suite}'" : "'{$suite}'";

        return "SELECT id, benchmark_run_id, ran_at, task, level, ok, decode, user_tps, ttft, t_answer, wall, reasoning, visible, total, finish, detail, {$quoted} AS suite FROM {$table}";
    }
}