<?php

namespace App\Http\Requests;

use App\Enums\PacePreference;
use App\Enums\PhysicalActivityLevel;
use App\Enums\UserSex;
use App\Enums\WeightGoal;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;

class UpdateUserRequest extends FormRequest
{
    public function authorize(): bool
    {
        return true;
    }

    public function rules(): array
    {
        return [
            'bio' => ['sometimes', 'nullable', 'string'],
            'height' => ['sometimes', 'nullable', 'integer'],
            'locale' => ['sometimes', 'string', Rule::in(config('app.supported_locales', ['fr', 'en']))],
            'avatar' => ['sometimes', 'nullable', 'image', 'max:2048'],
            'nutritionGoals' => ['sometimes', 'array'],
            'nutritionGoals.calories' => ['required_with:nutritionGoals', 'integer', 'min:0', 'max:100000'],
            'nutritionGoals.proteins' => ['required_with:nutritionGoals', 'numeric', 'min:0', 'max:10000'],
            'nutritionGoals.carbs' => ['required_with:nutritionGoals', 'numeric', 'min:0', 'max:10000'],
            'nutritionGoals.fats' => ['required_with:nutritionGoals', 'numeric', 'min:0', 'max:10000'],
            'physicalActivityLevel' => ['sometimes', Rule::enum(PhysicalActivityLevel::class)],
            'weightGoal' => ['sometimes', Rule::enum(WeightGoal::class)],
            'pacePreference' => ['sometimes', Rule::enum(PacePreference::class)],
            'sex' => ['sometimes', Rule::enum(UserSex::class)],
            'dateOfBirth' => ['sometimes', 'nullable', 'date_format:Y-m-d', 'before:today', 'after:1900-01-01'],
        ];
    }

    public function messages(): array
    {
        return [
            'avatar.max' => __('api.validation.image_max_2mb'),
            'nutritionGoals.calories.integer' => __('api.validation.calories_integer'),
            'nutritionGoals.*.required_with' => __('api.validation.nutrition_goals_required'),
            'nutritionGoals.*.min' => __('api.validation.nutrition_goals_positive'),
            'nutritionGoals.*.max' => __('api.validation.nutrition_goals_max'),
        ];
    }

    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];
    }
}