<?php

namespace App\Support;

use App\Models\User;

class GestioneContext
{
    public const SESSION_KEY = 'netgescon.gestione_attiva';

    /**
     * @return array<string, string>
     */
    public static function availableGestioni(): array
    {
        return [
            'ordinaria' => 'Gestione ordinaria',
            'riscaldamento' => 'Gestione riscaldamento',
            'straordinaria' => 'Gestione straordinaria',
        ];
    }

    public static function resolveActiveGestione(?User $user = null): string
    {
        $available = array_keys(self::availableGestioni());

        $sessionValue = session(self::SESSION_KEY);
        if (is_string($sessionValue) && in_array($sessionValue, $available, true)) {
            return $sessionValue;
        }

        $default = (string) config('netgescon.defaults.default_gestione', 'ordinaria');
        if (in_array($default, $available, true)) {
            session([self::SESSION_KEY => $default]);
            return $default;
        }

        session([self::SESSION_KEY => 'ordinaria']);
        return 'ordinaria';
    }

    public static function setActiveGestione(?User $user, string $gestione): bool
    {
        $available = array_keys(self::availableGestioni());
        if (! in_array($gestione, $available, true)) {
            return false;
        }

        if (! $user) {
            return false;
        }

        session([self::SESSION_KEY => $gestione]);
        return true;
    }
}