<?php

namespace App\Support;

use App\Models\Template;

final class EmailHealth
{
    public const LIFECYCLE_SCENARIOS = [
        'service_expiry',
        'service_renewal_reminder',
        'invoice_notification',
        'invoice_payment_reminder',
        'auto_renew_failed',
    ];

    public static function report(): array
    {
        $templates = Template::query()->get(['key', 'scenario', 'status']);
        $disabled = AutoEmailGate::disabledScenarios();
        $mailEnabled = AutoEmailGate::mailEnabled();

        $scenarios = array_map(function (string $key) use ($templates, $disabled, $mailEnabled) {
            $matches = $templates->filter(fn ($template) => $template->key === $key || $template->scenario === $key);
            $hasTemplate = $matches->isNotEmpty();
            $templateActive = $matches->contains(fn ($template) => (int) $template->status === 1);
            $autoEnabled = ! in_array($key, $disabled, true);

            return [
                'key' => $key,
                'label' => EmailScenarioRegistry::SCENARIOS[$key]['label'],
                'has_template' => $hasTemplate,
                'template_active' => $templateActive,
                'auto_enabled' => $autoEnabled,
                'ready' => $mailEnabled && $hasTemplate && $templateActive && $autoEnabled,
            ];
        }, self::LIFECYCLE_SCENARIOS);

        $smtpConfigured = MailSettings::isConfigured();
        $smtpDelivering = MailSettings::isDelivering();

        return [
            'mail_enabled' => $mailEnabled,
            'smtp_configured' => $smtpConfigured,
            'smtp_delivering' => $smtpDelivering,
            'scenarios' => $scenarios,
            'ready' => $mailEnabled && $smtpConfigured && $smtpDelivering && ! in_array(false, array_column($scenarios, 'ready'), true),
        ];
    }
}