<?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 LoginRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string, \Illuminate\Contracts\Validation\ValidationRule|array<mixed>|string>
     */
    public function rules(): array
    {
        return [
            'login' => ['required', 'string'], // Can be email or username
            'password' => ['required', 'string'],
        ];
    }

    /**
     * Get custom messages for validator errors.
     *
     * @return array<string, string>
     */
    public function messages(): array
    {
        return [
            'login.required' => 'Please enter your email or username.',
            'password.required' => 'Please enter your password.',
        ];
    }

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

        $login = $this->input('login');
        $password = $this->input('password');
        $remember = $this->boolean('remember');

        // Check if login is email or username
        $field = filter_var($login, FILTER_VALIDATE_EMAIL) ? 'email' : 'username';

        // Attempt authentication with the determined field
        if (! Auth::attempt([$field => $login, 'password' => $password, 'is_active' => 1], $remember)) {
            RateLimiter::hit($this->throttleKey());

            // Check if user exists but is inactive
            $user = \App\Models\User::where($field, $login)->first();
            if ($user && !$user->is_active) {
                throw ValidationException::withMessages([
                    'login' => 'Your account is inactive. Please contact administrator.',
                ]);
            }

            throw ValidationException::withMessages([
                'login' => trans('auth.failed'),
            ]);
        }

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

    /**
     * Ensure the login request is not rate limited.
     *
     * @throws \Illuminate\Validation\ValidationException
     */
    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),
            ]),
        ]);
    }

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