<?php

declare(strict_types=1);

namespace App\Http\Requests\Auth;

use App\Models\User;
use Illuminate\Auth\Events\Lockout;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Hash;
use Illuminate\Support\Facades\RateLimiter;
use Illuminate\Validation\Rules\Password;
use Illuminate\Validation\ValidationException;
use Uwil\LaravelBackend\Requests\Auth\LoginRequest as BackendLoginRequest;

/**
 * Handles backend login form validation, authentication and rate limiting.
 */
class LoginRequest extends BackendLoginRequest
{
    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, mixed>
     */
    #[\Override]
    public function rules(): array
    {
        return [
            'email'    => 'required|string|email:rfc,strict,dns,spoof,filter',
            'password' => [
                'required',
                'max:255',
                Password::min(8)
                    ->letters()
                    ->mixedCase()
                    ->numbers()
                    ->symbols()
                    ->uncompromised(),
            ],
            'remember' => 'boolean',
        ];
    }

    /**
     * Get custom attributes for validator errors.
     *
     * @return array<string, string>
     */
    #[\Override]
    public function attributes(): array
    {
        return [
            'email'    => trans('validation.attributes.email'),
            'password' => trans('validation.attributes.password'),
        ];
    }

    /**
     * Attempt to authenticate the request's credentials.
     *
     * @throws \Illuminate\Validation\ValidationException Wrong email.
     */
    #[\Override]
    public function authenticate(): void
    {
        $this->ensureIsNotRateLimited();

        $user = User::query()
            ->where('email', $this->input('email'))
            ->first();

        if (
            ! $user
            || ! $user->userPassword
            || ! Hash::check($this->input('password'), $user->userPassword->password)
        ) {
            RateLimiter::hit($this->throttleKey());
            throw ValidationException::withMessages([
                'email' => trans('auth.failed'),
            ]);
        }

        Auth::guard('backend')->login($user, $this->boolean('remember'));
        RateLimiter::clear($this->throttleKey());
    }

    /**
     * Ensure the login request is not rate limited.
     *
     * @throws \Illuminate\Validation\ValidationException Wrong email.
     */
    #[\Override]
    public function ensureIsNotRateLimited(): void
    {
        if (! RateLimiter::tooManyAttempts($this->throttleKey(), 5)) {
            return;
        }

        event(new Lockout($this));

        $seconds = RateLimiter::availableIn($this->throttleKey());

        throw ValidationException::withMessages([
            'email' => trans('auth.throttle', [
                'seconds' => $seconds,
                'minutes' => ceil($seconds / 60),
            ]),
        ]);
    }
}