<?php
namespace Psso\Challenge;

use Psso\{Challenge, ChallengeResult, Input, AuthProvider, AuthInterface};

class Password extends Challenge {    
    public function getInputs(): array {
        if (isset($this->context->user)) {
            return [
                new Input('password', Input::SECRET, 'challenge.input.password')
            ];
        }
        return [
            new Input('username', Input::TEXT, 'challenge.input.username'),
            new Input('password', Input::SECRET, 'challenge.input.password'),
        ];
    }

    public function validate(
        AuthProvider $provider, array $inputData
    ): ChallengeResult {
        self::requireInterface($provider, AuthInterface\Password::class);
        $successful = $provider->validatePassword(
            $inputData['username'] ?? $this->context->user,
            $inputData['password']
        );
        return new ChallengeResult(
            self::class, $successful, $inputData['username'] ?? null,
            $successful ? null : 'challenge.message.wrong-password'
        );
    }
}