<?php

namespace App\Http\Requests\Fo\Customers;

use App\Models\Settings;
use App\Repositories\Fo\CrmRepository;
use App\Rules\IsAdult;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Arr;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Rules\Enum;
use Illuminate\Validation\Rules\Password;
use LDC\LDCCRM\Enums\Country;
use LDC\LDCCRM\Models\Customer as CrmCustomer;

class CreateAccountRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize(): bool
    {
        return Auth::guard('frontend')->check();
    }

    /**
     * Prepare the data for validation.
     *
     * @return void
     */
    public function prepareForValidation(): void
    {
        $this->merge([
            'phone'  => $this->input('phone'),
            'opt_in' => $this->boolean('opt_in'),
            'ok_cgv' => $this->boolean('ok_cgv')
        ]);
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules(): array
    {
        /** @var \App\Models\Settings $settings */
        $settings = app(Settings::class);

        /** @var \App\Models\Customer|null */
        $authUser    = auth('frontend')->user();
        $countryCode = null;

        $countryCode  = $this->integer('country') != 0 ?
            $this->integer('country') : ($authUser ?
                (new CrmRepository())->fetchCrmCustomer($authUser)->country->value : 0);
        $countryRules = match ($countryCode) {
            Country::belgium->value => [
                'phone'       => 'phone:BE',
                'postal_code' => 'postal_code:BE',
            ],
            Country::luxembourg->value => [
                'phone'       => 'phone:LU',
                'postal_code' => 'postal_code:LU',
            ],
            Country::germany->value => [
                'phone'       => 'phone:DE',
                'postal_code' => 'postal_code:DE',
            ],
            default => [
                'phone'       => 'phone:FR',
                'postal_code' => 'postal_code:FR',
            ]
        };

        return [
            'lastname'    => 'required|string|max:255',
            'firstname'   => 'required|string|max:255',
            'phone'       => [
                'nullable',
                'max:255',
                $countryRules['phone'],
            ],
            'address'     => 'required|string|min:1|max:255',
            'address2'    => 'nullable|string|min:1|max:255',
            'postal_code' => [
                'required',
                'string',
                'min:1',
                $countryRules['postal_code'],
            ],
            'city'        => 'required|string|min:2|max:255',
            'birth_date'  => ['required', new IsAdult(trans('Vous devez être majeur pour vous inscrire.'))],
            'country'     => [
                'required',
                new Enum(Country::class),
                Rule::in($settings->getAuthorizedCountries()->pluck('value')->toArray()),
            ],
            'email'       => [
                'required',
                'email:rfc,dns,spoof',
                'max:255',
                // * Does email already exists in CRM ?
                // phpcs:ignore Generic.CodeAnalysis.UnusedFunctionParameter.FoundBeforeLastUsed
                function (string $attribute, $value, \Closure $fail) {
                    if (CrmCustomer::findWithEmail(\strval($value))) {
                        $fail('Un compte existe déjà avec cette adresse.');
                    } else {
                        // ! Si le compte n'existe pas en CRM mais existe en local.
                        // ! On le soft-delete pour permettre l'inscription et la restauration propre.
                        $localCustomer = \App\Models\Customer::where('email', \strval($value))->first();
                        if ($localCustomer) {
                            $localCustomer->delete();
                        }
                    }
                },
                Rule::unique('customers', 'email')->withoutTrashed(),
            ],
            'password'    => [
                'required',
                'confirmed',
                Password::min(8)->mixedCase()
                    ->numbers()->symbols()->uncompromised()
            ],
            'ok_cgv'      => 'accepted',
            'opt_in'      => 'required|boolean',
        ];
    }

    /**
     * Get custom attributes for validator errors.
     *
     * @return array
     */
    public function attributes(): array
    {
        return [
            'lastname'              => trans('validation.attributes.first_name'),
            'firstname'             => trans('validation.attributes.first_name'),
            'phone'                 => trans('validation.attributes.phone'),
            'address'               => trans('validation.attributes.line_address_1'),
            'address2'              => trans('validation.attributes.line_address_2'),
            'country'               => trans('validation.attributes.country'),
            'postal_code'           => trans('validation.attributes.postal_code'),
            'city'                  => trans('validation.attributes.city'),
            'birth_date'            => trans('validation.attributes.date_of_birth'),
            'email'                 => trans('validation.attributes.email'),
            'password'              => trans('validation.attributes.password'),
            'password_confirmation' => trans('validation.attributes.password_confirmation'),
            'ok_cgv'                => trans('conditions d\'utilisation'),
            'opt_in'                => trans('newsletter'),
        ];
    }

    /**
     * Get custom messages for validator errors.
     *
     * @return array
     */
    public function messages(): array
    {
        $messages = [
            'postal_code'     => trans('validation.postal_code', [
                'countries' => \implode(', ', Country::getValidCountriesLabel()),
                'examples'  => 72000
            ]),
            'phone.phone'     => trans('validation.phone', [
                'countries' => \implode(', ', Country::getValidCountriesLabel())
            ]),
            'email.unique'    => trans('Un compte existe déjà avec cette adresse.'),
            'ok_cgv.accepted' => trans('Vous devez accepter les conditions d\'utilisation du site pour continuer.')
        ];

        $messages = match ($this->integer('country')) {
            Country::belgium->value => array_merge(
                $messages,
                [
                    'postal_code' => trans('validation.postal_code', [
                        'countries' => Country::belgium->label(),
                        'examples'  => 1000
                    ]),
                ]
            ),
            Country::luxembourg->value => array_merge(
                $messages,
                [
                    'postal_code' => trans('validation.postal_code', [
                        'countries' => Country::luxembourg->label(),
                        'examples'  => 1111
                    ]),
                ]
            ),
            Country::germany->value => array_merge(
                $messages,
                [
                    'postal_code' => trans('validation.postal_code', [
                        'countries' => Country::germany->label(),
                        'examples'  => 10115
                    ]),
                ]
            ),
            default => array_merge(
                $messages,
                [
                    'postal_code' => trans('validation.postal_code', [
                        'countries' => \implode(', ', Arr::except(
                            Country::getValidCountriesLabel(),
                            [
                                array_search(Country::belgium->label(), Country::getValidCountriesLabel()),
                                array_search(Country::luxembourg->label(), Country::getValidCountriesLabel()),
                                array_search(Country::germany->label(), Country::getValidCountriesLabel()),
                            ]
                        )),
                        'examples'  => 72000
                    ]),
                ]
            ),
        }; //end match

        return $messages;
    }
}