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/*
 * Copyright 2018 the original author or authors.
 *
 * Licensed 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 org.gradle.api.internal.provider;

import java.util.Map;

class ValidatingMapEntryCollector implements MapEntryCollector {

    private final Class keyType;
    private final Class valueType;
    private final ValueSanitizer keySanitizer;
    private final ValueSanitizer valueSanitizer;

    public ValidatingMapEntryCollector(Class keyType, Class valueType, ValueSanitizer keySanitizer, ValueSanitizer valueSanitizer) {
        this.keyType = keyType;
        this.valueType = valueType;
        this.keySanitizer = keySanitizer;
        this.valueSanitizer = valueSanitizer;
    }

    @Override
    public void add(K key, V value, Map dest) {
        K sanitizedKey = keySanitizer.sanitize(key);
        if (!keyType.isInstance(sanitizedKey)) {
            throw new IllegalArgumentException(String.format("Cannot get the value of a property of type %s with key type %s as the source contains a key of type %s.",
                Map.class.getName(), keyType.getName(), key.getClass().getName()));
        }

        V sanitizedValue = valueSanitizer.sanitize(value);
        if (!valueType.isInstance(sanitizedValue)) {
            throw new IllegalArgumentException(String.format("Cannot get the value of a property of type %s with value type %s as the source contains a value of type %s.",
                Map.class.getName(), valueType.getName(), value.getClass().getName()));
        }

        dest.put(sanitizedKey, sanitizedValue);
    }

    @Override
    public void addAll(Iterable> entries, Map dest) {
        for (Map.Entry entry : entries) {
            add(entry.getKey(), entry.getValue(), dest);
        }
    }
}