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/*
 * Copyright (c) 2020 Richard Hauswald - https://quantummaid.de/.
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package de.quantummaid.httpmaid.util.describing;

import lombok.AccessLevel;
import lombok.EqualsAndHashCode;
import lombok.RequiredArgsConstructor;
import lombok.ToString;

import static de.quantummaid.httpmaid.util.Validators.validateNotNull;
import static de.quantummaid.httpmaid.util.Validators.validateNotNullNorEmpty;

@ToString
@EqualsAndHashCode
@RequiredArgsConstructor(access = AccessLevel.PRIVATE)
public final class TextCanvas {
    private final Dimensions dimensions;
    private final StringBuilder builder = new StringBuilder();

    static TextCanvas textCanvas(final Dimensions dimensions) {
        validateNotNull(dimensions, "dimensions");
        return new TextCanvas(dimensions);
    }

    void draw(final String line) {
        validateNotNullNorEmpty(line, "line");
        builder.append(line);
        builder.append("\n");
    }

    public String build() {
        return builder.toString();
    }
}