<?php

namespace App\Http\Requests;

use App\Http\Requests\Concerns\ModeratesUserContent;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class UpdateUserRequest extends FormRequest
{
    use ModeratesUserContent;

    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        return [
            'name' => [
                'sometimes',
                'string',
                'min:3',
                'max:32',
                'regex:/^[a-zA-Z0-9_.-]+$/',
                Rule::unique('users', 'name')->ignore($this->user()),
            ],
            'bio' => ['sometimes', 'nullable', 'string'],
            'locale' => ['sometimes', 'string', Rule::in(config('app.supported_locales', ['fr', 'en']))],
            'avatar' => ['sometimes', 'nullable', 'image', 'max:2048'],
        ];
    }

    public function after(): array
    {
        return $this->moderationChecks(
            [$this->input('name'), $this->input('bio')],
            [$this->file('avatar')],
        );
    }

    public function messages(): array
    {
        return [
            'avatar.max' => __('api.validation.image_max_2mb'),
        ];
    }

    protected function prepareForValidation(): void
    {
        if ($this->has('locale')) {
            $this->merge([
                'locale' => $this->normalizeLocale((string) $this->input('locale')),
            ]);
        }
    }

    private function normalizeLocale(string $locale): string
    {
        $locale = strtolower(str_replace('_', '-', $locale));

        return explode('-', $locale)[0];
    }
}