<?php

namespace Modules\Stylist\Services;

use Illuminate\Support\Facades\Auth;
use Modules\Settings\Services\SettingsRepository;

final class TenantThemeResolver
{
    public function __construct(private readonly SettingsRepository $settings) {}

    public function resolve(?string $context = null): string
    {
        $context ??= $this->context();
        $column = config('stylist.tenant_theme_column', 'theme_key');
        $user = Auth::user();
        $company = $user?->company ?? null;

        if ($company && filled($company->{$column} ?? null)) {
            return (string) $company->{$column};
        }

        if (function_exists('tenant')) {
            $tenant = tenant();
            if ($tenant && filled($tenant->{$column} ?? null)) {
                return (string) $tenant->{$column};
            }
        }

        $settingKey = $context === 'frontend' ? 'frontend_theme' : 'backend_theme';
        $default = $context === 'frontend'
            ? config('stylist.default_frontend_theme', 'saasland')
            : config('stylist.default_backend_theme', config('stylist.default_theme', 'admin'));

        return (string) $this->settings->get($settingKey, $default, 'site');
    }

    public function context(): string
    {
        if (app()->runningInConsole()) {
            return 'backend';
        }

        $request = request();

        return $request->routeIs('home', 'blog.public.*', 'news.public.*', 'pages.public.*')
            || ! $request->user()
                ? 'frontend'
                : 'backend';
    }

    public function variables(): array
    {
        $variables = config('stylist.fallback_variables', []);
        $company = Auth::user()?->company ?? null;

        foreach (config('stylist.tenant_brand_columns', []) as $column => $variable) {
            if ($company && filled($company->{$column} ?? null)) {
                $variables[$variable] = (string) $company->{$column};
            }
        }

        return $variables;
    }
}