<?php

namespace App\Http\Controllers\Api;

use App\Http\Controllers\Controller;
use App\Models\SiteSetting;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\File;
use Illuminate\Support\Facades\Log;

class SiteSettingsController extends Controller
{
    /**
     * Get all site settings
     */
    public function index()
    {
        $settings = SiteSetting::all()->mapWithKeys(function ($setting) {
            return [$setting->key => [
                'value' => $setting->value['value'] ?? $setting->value,
                'description' => $setting->description,
                'updated_at' => $setting->updated_at,
            ]];
        });

        return response()->json([
            'success' => true,
            'settings' => $settings,
        ]);
    }

    /**
     * Get a specific setting
     */
    public function show(string $key)
    {
        $setting = SiteSetting::where('key', $key)->first();

        if (!$setting) {
            return response()->json([
                'success' => false,
                'message' => 'Configuración no encontrada',
            ], 404);
        }

        return response()->json([
            'success' => true,
            'key' => $setting->key,
            'value' => $setting->value['value'] ?? $setting->value,
            'description' => $setting->description,
        ]);
    }

    /**
     * Update a setting
     */
    public function update(Request $request, string $key)
    {
        $request->validate([
            'value' => 'required',
            'description' => 'nullable|string',
        ]);

        $setting = SiteSetting::setValue(
            $key,
            $request->value,
            $request->description
        );

        return response()->json([
            'success' => true,
            'message' => 'Configuración actualizada',
            'setting' => [
                'key' => $setting->key,
                'value' => $setting->value['value'] ?? $setting->value,
                'description' => $setting->description,
            ],
        ]);
    }

    /**
     * Toggle cnxifly.com page mode
     */
    public function toggleCnxiflyPage(Request $request)
    {
        $request->validate([
            'mode' => 'required|in:live,maintenance,construction',
        ]);

        $mode = $request->mode;

        // Update database setting
        SiteSetting::setValue('cnxifly_page_type', $mode, 'Tipo de página cnxifly.com');
        SiteSetting::setValue('cnxifly_maintenance_mode', $mode !== 'live', 'Modo de mantenimiento');

        // Get paths
        $serverPath = '/var/www/cnxifly';
        $localLandingPath = base_path('../landing');

        // Log the action
        Log::info("CnxiFly page mode changed to: {$mode}");

        return response()->json([
            'success' => true,
            'message' => "Modo de página cambiado a: {$mode}",
            'current_mode' => $mode,
            'instructions' => $this->getInstructions($mode),
        ]);
    }

    /**
     * Get cnxifly page status
     */
    public function getCnxiflyStatus()
    {
        $mode = SiteSetting::getValue('cnxifly_page_type', 'live');
        $maintenanceMode = SiteSetting::getValue('cnxifly_maintenance_mode', false);

        return response()->json([
            'success' => true,
            'mode' => $mode,
            'maintenance_mode' => $maintenanceMode,
            'modes_available' => [
                'live' => 'Página institucional completa',
                'maintenance' => 'Página de mantenimiento',
                'construction' => 'Página en construcción',
            ],
        ]);
    }

    /**
     * Deploy cnxifly landing page to server
     */
    public function deployCnxiflyPage(Request $request)
    {
        $request->validate([
            'mode' => 'required|in:live,maintenance',
        ]);

        $mode = $request->mode;
        
        // Source files are in /var/www/cnxifly-pages/ on the server
        $sourceDir = '/var/www/cnxifly-pages';
        $targetDir = '/var/www/cnxifly';
        $sourceFile = $mode === 'live' ? 'index.html' : 'maintenance.html';
        $sourcePath = "{$sourceDir}/{$sourceFile}";
        $targetPath = "{$targetDir}/index.html";

        // Check if source file exists
        if (!File::exists($sourcePath)) {
            return response()->json([
                'success' => false,
                'message' => "Archivo de origen no encontrado: {$sourcePath}. Ejecute deploy-landing.sh primero.",
            ], 404);
        }

        // Copy the file
        try {
            File::copy($sourcePath, $targetPath);
        } catch (\Exception $e) {
            return response()->json([
                'success' => false,
                'message' => "Error al copiar archivo: " . $e->getMessage(),
            ], 500);
        }

        // Update setting
        SiteSetting::setValue('cnxifly_page_type', $mode);
        SiteSetting::setValue('cnxifly_maintenance_mode', $mode === 'maintenance');

        return response()->json([
            'success' => true,
            'message' => "Página cnxifly.com actualizada a modo: {$mode}",
            'current_mode' => $mode,
        ]);
    }

    private function getInstructions(string $mode): array
    {
        $sourceFile = match($mode) {
            'live' => 'index.html',
            'maintenance' => 'maintenance.html',
            'construction' => 'maintenance.html',
        };

        return [
            'description' => "Para aplicar el modo '{$mode}', copie el archivo {$sourceFile} al servidor",
            'source_file' => $sourceFile,
            'target_path' => '/var/www/cnxifly/index.html',
        ];
    }
}