<?php

namespace App\Support;

use App\Models\Setting;
use Illuminate\Support\Facades\Context;

final class AutoEmailGate
{
    public const SCENARIO_DATA_KEY = '__mail_scenario';

    private const MANUAL_CONTEXT_KEY = 'mail.manual_send';

    public static function markManual(): void
    {
        Context::addHidden(self::MANUAL_CONTEXT_KEY, true);
    }

    public static function blocks(?string $scenario): bool
    {
        if ($scenario === null || Context::hasHidden(self::MANUAL_CONTEXT_KEY)) {
            return false;
        }

        return in_array($scenario, self::disabledScenarios(), true);
    }

    public static function allows(?string $scenario): bool
    {
        return self::mailEnabled() && !self::blocks($scenario);
    }

    public static function mailEnabled(): bool
    {
        return (bool) (self::emailSettings()['mail_enabled'] ?? true);
    }

    /**
     * @return array<int, string>
     */
    public static function disabledScenarios(): array
    {
        return (array) (self::emailSettings()['auto_disabled'] ?? []);
    }

    private static function emailSettings(): array
    {
        $value = Setting::where('key', 'email_settings')->value('value');

        return (array) (json_decode($value ?? '', true) ?? []);
    }
}