<?php

/**
 * SysCMS - Content Management System
 *
 * Copyright (c) 2026 SysCMS Team
 * All rights reserved.
 *
 * Author: SysCMS Team
 * Project: SysCMS
 */

namespace Modules\Erp\Controllers;

use App\Controllers\BaseAdminController;
use Kernel\View;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use App\Models\Module;

/**
 * ERPController - Controller for handling ERP central dashboard
 *
 * @package Modules\Erp\Controllers
 */
class ERPController extends BaseAdminController
{
    /**
     * ERPController constructor
     *
     * @param View $view
     */
    public function __construct(View $view)
    {
        parent::__construct($view);
    }

    /**
     * Display the User Manual.
     *
     * @return Response
     */
    public function manual(): Response
    {
        return $this->renderAdminView('@erp/admin/manual.twig', [
            'title' => __('erp.user_manual') ?? 'Manual do Usuário'
        ]);
    }

    /**
     * Display the Implementation Guide.
     *
     * @return Response
     */
    public function implementationGuide(): Response
    {
        return $this->renderAdminView('@erp/admin/implementation_guide.twig', [
            'title' => __('erp.admin.implementation_guide') ?? 'Guia de Implantação ERP'
        ]);
    }

    /**
     * index - Display the ERP central dashboard
     *
     * @param Request $request
     * @return Response
     */
    public function index(Request $request): Response
    {
        $user = $this->getCurrentUser();
        
        // Block Super Admin from accessing ERP
        if ($user && $user->isSuperAdmin()) {
            return $this->renderAdminView('errors/unauthorized.twig', [
                'message' => 'Super Admin não tem permissão para acessar o módulo ERP.'
            ]);
        }
        
        // Allow access ONLY to Admin and Member
        $hasAccess = $user && (
            $user->isAdmin() || 
            $user->isMember()
        );

        if (!$hasAccess) {
            $this->addFlash('error', __('auth.unauthorized'));
            return $this->redirect('/admin');
        }

        // Get all active modules
        $activeModules = Module::query()
            ->where('modules_ative', true)
            ->get();

        $modules = [];

        // Define specific configurations for known modules (URL overrides, colors, icons if missing in DB)
        $moduleConfigs = [
            'company' => [
                'url' => '/admin/companies',
                'icon' => 'bi bi-building-gear',
                'color' => '#0d6efd'
            ],
            'erpclients' => [
                'url' => '/admin/erp/clients',
                'color' => '#0dcaf0'
            ],
            'erpmemberpermissions' => [
                'url' => '/admin/erp/permissions',
                'icon' => 'bi bi-person-lock',
                'color' => '#198754'
            ],
            'erphrm' => [
                'url' => '/admin/erp/hrm',
                'color' => '#6f42c1'
            ],
            'erpprojects' => [
                'url' => '/admin/erp/projects',
                'color' => '#6610f2'
            ],
            'erpservtags' => [
                'url' => '/admin/erp/servtags',
                'icon' => 'bi bi-tags',
                'color' => '#d63384'
            ],
            'erpcarriers' => [
                'url' => '/admin/erp/carriers',
                'color' => '#0dcaf0'
            ],
            'erpproducts' => [
                'url' => '/admin/erp/products',
                'color' => '#6610f2'
            ],
            'erpsales' => [
                'url' => '/admin/erp/sales',
                'color' => '#198754'
            ],
            'erpvehicles' => [
                'url' => '/admin/erp/vehicles',
                'color' => '#fd7e14'
            ],
            'erpcrm' => [
                'url' => '/admin/erp/crm',
                'icon' => 'bi bi-people',
                'color' => '#fd7e14'
            ],
            'erpfinance' => [
                'url' => '/admin/erp/finance',
                'color' => '#198754'
            ],
            'erpstock' => [
                'url' => '/admin/erp/stock',
                'color' => '#fd7e14'
            ],
            'erprawmaterials' => [
                'url' => '/admin/erp/rawmaterials',
                'color' => '#6f42c1'
            ],
            'erpvendors' => [
                'url' => '/admin/erp/vendors',
                'icon' => 'bi bi-shop',
                'color' => '#0dcaf0'
            ],
            'erporganization' => [
                'url' => '/admin/erp/organization',
                'color' => '#0d6efd'
            ],
            'erpgercom' => [
                'url' => '/admin/erp/gercom',
                'color' => '#ffc107'
            ],
            'erppoe' => [
                'url' => '/admin/erp/poe',
                'icon' => 'bi bi-clipboard-check',
                'color' => '#6c757d'
            ],
            'erpproduction' => [
                'url' => '/admin/erp/production',
                'icon' => 'bi bi-gear-wide-connected',
                'color' => '#fd7e14'
            ],
        ];

        foreach ($activeModules as $module) {
            // Use module path (folder name) as the robust identifier/slug
            // Fallback to name if path is empty (though path should exist)
            $slug = !empty($module->modules_path) ? basename($module->modules_path) : strtolower(str_replace(' ', '', trim($module->modules_name)));
            $slug = strtolower($slug); // Ensure lowercase
            
            // Skip main ERP module
            if ($slug === 'erp') continue;

            // Filter only Company or ERP modules
            if ($slug !== 'company' && !str_starts_with($slug, 'erp')) continue;

            // Check permission
            // Use slug for permission check (standard convention: slug.view)
            $permission = $slug . '.view';
            
            // If admin, bypass check. If not admin, check permission.
            if (!$user->isAdmin() && !$user->hasPermission($permission)) {
                // Fallback: check permission based on name if slug fails (legacy support)
                $legacyName = strtolower(str_replace(' ', '', trim($module->modules_name)));
                if ($legacyName !== $slug && !$user->hasPermission($legacyName . '.view')) {
                    continue;
                }
                // If neither permission exists, skip
                if ($legacyName === $slug) continue;
            }

            // Determine URL
            // Check config by slug
            $config = $moduleConfigs[$slug] ?? null;

            if ($config && isset($config['url'])) {
                $url = url($config['url']);
            } else {
                // Auto-generate URL from slug
                $suffix = str_replace('erp', '', $slug);
                if ($slug === 'company') $suffix = 'companies';
                
                $url = url('/admin/erp/' . $suffix);
            }

            // Determine Icon
            $icon = $module->modules_icon;
            if (empty($icon)) {
                $icon = isset($config['icon']) ? $config['icon'] : 'bi bi-box';
            }

            // Determine Color
            $color = isset($config['color']) ? $config['color'] : '#6c757d';

            // Determine Name and Description (Try translation, fallback to DB)
        $suffix = str_replace('erp', '', $slug);
        if ($slug === 'company') $suffix = 'company';
        
        $nameKey = "erp.modules.{$suffix}.name";
        $descKey = "erp.modules.{$suffix}.description";
        
        // Get platformName using PlatformService
        $platformService = new \App\Services\PlatformService();
        $platformName = $platformService->getPlatformName();
        
        $displayName = __($nameKey, ['platformName' => $platformName]);
            if ($displayName === $nameKey) {
                $displayName = $module->modules_display_name ?: ucfirst($slug);
            }

            $description = __($descKey, ['platformName' => $platformName]);
            if ($description === $descKey) {
                $description = $module->modules_description ?: '';
            }

            $modules[] = [
                'name' => $displayName,
                'url' => $url,
                'icon' => $icon,
                'color' => $color,
                'description' => $description
            ];
        }

        return $this->renderAdminView('@erp/admin/index.twig', [
            'title' => __('erp.admin.title'),
            'modules' => $modules
        ]);
    }
}