<?php

namespace App\Services;

use App\Rules\MinWords;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Rules\Password;

class RegistrationRuleSet
{
    public static function getValidateRules(string $key): array
    {
        $rules = [
            'step1' => [
                'first_name' => 'required|min:3',
                'last_name' => 'required|min:3',
                'password' => ['required', 'confirmed', Password::min(8)],
                'email' => ['required', 'email', 'unique:users,email'],
                'birthdate' => 'required|date',
                'gender' => ['required', Rule::in(['male', 'female'])],
            ],
            'step2' => [
                'country' => 'nullable|min:2',
                'city' => 'nullable|min:2',
                'lang' => 'nullable|min:2',
                'weight' => 'nullable|numeric',
                'height' => 'nullable|numeric',
            ],
            'step3' => [
                'chest_circumference' => 'nullable|numeric',
                'waist_circumference' => 'nullable|numeric',
                'hip_circumference' => 'nullable|numeric',
            ],
            'step4' => [
                'blood_pressure_up' => 'nullable|numeric',
                'blood_pressure_down' => 'nullable|numeric',
                'has_hypo' => ['nullable', Rule::in([0, 1])],
                'has_hyper' => ['nullable', Rule::in([0, 1])],
            ],
            'step5' => ['about_alergy' => ['nullable', new MinWords(1)]],
            'step6' => ['about_taking_pils' => ['nullable', new MinWords(1)]],
            'step7' => ['about_sport_hobbies' => ['sometimes', 'nullable', new MinWords(1)]],
            'step8' => [
                'favorite_foods' => ['nullable', new MinWords(1)],
                'unfavorite_foods' => ['nullable', new MinWords(1)],
            ],
            'step9' => ['additional_info' => ['nullable', new MinWords(1)]],
        ];

        return $rules[$key];
    }

    public static function getValidateData(string $key, object $obj): array
    {
        $data = [
            'step1' => [
                'first_name' => $obj->first_name,
                'last_name' => $obj->last_name,
                'email' => $obj->email,
                'password' => $obj->password,
                'password_confirmation' => $obj->password_confirmation,
                'birthdate' => $obj->birthdate,
                'gender' => $obj->gender,
            ],
            'step2' => [
                'country' => $obj->country,
                'city' => $obj->city,
                'lang' => $obj->lang,
                'weight' => static::transform($obj->weight),
                'height' => static::transform($obj->height),
            ],
            'step3' => [
                'chest_circumference' => $obj->chest_circumference,
                'waist_circumference' => $obj->waist_circumference,
                'hip_circumference' => $obj->hip_circumference,
            ],
            'step4' => [
                'blood_pressure_up' => $obj->blood_pressure_up,
                'blood_pressure_down' => $obj->blood_pressure_down,
                'has_hypo' => $obj->has_hypo,
                'has_hyper' => $obj->has_hyper,
            ],
            'step5' => ['about_alergy' => $obj->about_alergy],
            'step6' => ['about_taking_pils' => $obj->about_taking_pils],
            'step7' => ['about_sport_hobbies' => $obj->about_sport_hobbies],
            'step8' => [
                'favorite_foods' => $obj->favorite_foods,
                'unfavorite_foods' => $obj->unfavorite_foods,
            ],
            'step9' => ['additional_info' => $obj->additional_info],
        ];

        return $data[$key];
    }

    /**
     * Transform the given value.
     *
     * @param  mixed  $value
     *
     * @return mixed
     */
    protected static function transform($value)
    {
        return trim($value) === '' ? null : $value;
    }
}