<?php

namespace App\Http\Requests\Auth;

use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Auth;

/**
 * Update Profile Form Request
 * 
 * Validates user profile update data with comprehensive security checks.
 * 
 * @author David Valera Melendez <david@valera-melendez.de>
 * @since February  2025
 */
class UpdateProfileRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return Auth::check();
    }

    /**
     * Get the validation rules that apply to the request.
     */
    public function rules(): array
    {
        return [
            'first_name' => [
                'required',
                'string',
                'min:2',
                'max:50',
                'regex:/^[a-zA-ZÀ-ÿ\s\-\'\.]+$/',
            ],
            'last_name' => [
                'required',
                'string',
                'min:2',
                'max:50',
                'regex:/^[a-zA-ZÀ-ÿ\s\-\'\.]+$/',
            ],
            'phone' => [
                'nullable',
                'string',
                'min:10',
                'max:20',
                'regex:/^[\+]?[0-9\s\-\(\)]+$/',
            ],
            'bio' => [
                'nullable',
                'string',
                'max:1000',
            ],
            'website' => [
                'nullable',
                'url',
                'max:255',
                'regex:/^https?:\/\/.+$/',
            ],
            'linkedin' => [
                'nullable',
                'url',
                'max:255',
                'regex:/^https:\/\/(www\.)?linkedin\.com\/in\/[a-zA-Z0-9\-]+\/?$/',
            ],
            'github' => [
                'nullable',
                'url',
                'max:255',
                'regex:/^https:\/\/(www\.)?github\.com\/[a-zA-Z0-9\-]+\/?$/',
            ],
            'twitter' => [
                'nullable',
                'url',
                'max:255',
                'regex:/^https:\/\/(www\.)?twitter\.com\/[a-zA-Z0-9_]+\/?$/',
            ],
        ];
    }

    /**
     * Get custom error messages for validation rules.
     */
    public function messages(): array
    {
        return [
            'first_name.required' => 'First name is required.',
            'first_name.regex' => 'First name contains invalid characters.',
            'last_name.required' => 'Last name is required.',
            'last_name.regex' => 'Last name contains invalid characters.',
            'phone.regex' => 'Please enter a valid phone number.',
            'website.regex' => 'Website URL must start with http:// or https://',
            'linkedin.regex' => 'Please enter a valid LinkedIn profile URL.',
            'github.regex' => 'Please enter a valid GitHub profile URL.',
            'twitter.regex' => 'Please enter a valid Twitter profile URL.',
        ];
    }

    /**
     * Prepare the data for validation.
     */
    protected function prepareForValidation(): void
    {
        $this->merge([
            'first_name' => ucfirst(strtolower(trim($this->first_name ?? ''))),
            'last_name' => ucfirst(strtolower(trim($this->last_name ?? ''))),
            'phone' => $this->phone ? preg_replace('/[^\+0-9]/', '', $this->phone) : null,
            'bio' => $this->bio ? trim($this->bio) : null,
            'website' => $this->website ? strtolower(trim($this->website)) : null,
            'linkedin' => $this->linkedin ? strtolower(trim($this->linkedin)) : null,
            'github' => $this->github ? strtolower(trim($this->github)) : null,
            'twitter' => $this->twitter ? strtolower(trim($this->twitter)) : null,
        ]);
    }
}