<?php

namespace App\Http\Requests\Auth;

use Illuminate\Auth\Events\Lockout;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\RateLimiter;
use Illuminate\Support\Str;
use Illuminate\Validation\ValidationException;

class StoreLoginRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        return [
            "username" => ["required", "string", "min:5"],
            "password" => ["required", "string"],
        ];
    }

    /**
     * Attempt to authenticate the request's credentials.
     *
     * @return void
     *
     * @throws \Illuminate\Validation\ValidationException
     */
    public function authenticate()
    {
        $this->ensureIsNotRateLimited();

        if (
            !Auth::attempt(
                $this->only("username", "password"),
                $this->boolean("remember")
            )
        ) {
            RateLimiter::hit($this->throttleKey());

            throw ValidationException::withMessages([
                "username" => __("auth.failed"),
            ]);
        }

        RateLimiter::clear($this->throttleKey());
    }

    /**
     * Ensure the login request is not rate limited.
     *
     * @return void
     *
     * @throws \Illuminate\Validation\ValidationException
     */
    public function ensureIsNotRateLimited()
    {
        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),
            ]),
        ]);
    }

    /**
     * Get the rate limiting throttle key for the request.
     *
     * @return string
     */
    public function throttleKey()
    {
        return Str::lower($this->input("email")) . "|" . $this->ip();
    }
}