//
// MIT License
//
// Copyright (c) 2022 Alexander Söderberg & Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
package cloud.commandframework.annotations;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.function.BiFunction;
import org.checkerframework.checker.nullness.qual.NonNull;

/**
 * Annotation version of adding {@link cloud.commandframework.arguments.preprocessor.RegexPreprocessor}
 * as a preprocessor using {@link cloud.commandframework.arguments.CommandArgument#addPreprocessor(BiFunction)}
 */
@Target(ElementType.PARAMETER)
@Retention(RetentionPolicy.RUNTIME)
public @interface Regex {

    /**
     * Regular expression pattern
     *
     * @return Pattern
     */
    @NonNull String value();

    /**
     * Key for the caption used to generate the failure exception.
     * Defaults to {@link cloud.commandframework.captions.StandardCaptionKeys#ARGUMENT_PARSE_FAILURE_REGEX}
     *
     * @return Failure caption key
     */
    @NonNull String failureCaption() default "argument.parse.failure.regex";
}
