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package com.tvl.modules.editor.completion;

import com.tvl.spi.editor.completion.BaseCompletionController;
import com.tvl.spi.editor.completion.CompletionController;
import com.tvl.spi.editor.completion.CompletionControllerProvider;
import com.tvl.spi.editor.completion.CompletionProvider;
import com.tvl.spi.editor.completion.CompletionTask;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.text.JTextComponent;

/**
 *
 * @author Sam Harwell
 */
public class DefaultCompletionControllerProvider implements CompletionControllerProvider {
    // -J-Dorg.netbeans.modules.editor.completion.DefaultCompletionControllerProvider.level=FINE
    private static final Logger LOGGER = Logger.getLogger(DefaultCompletionControllerProvider.class.getName());

    public static final DefaultCompletionControllerProvider INSTANCE = new DefaultCompletionControllerProvider();

    @Override
    public CompletionController createController(JTextComponent component, List<? extends CompletionTask> tasks, List<Integer> queryTypes) {
        int queryType;
        if (queryTypes.isEmpty()) {
            queryType = CompletionProvider.COMPLETION_QUERY_TYPE;
        } else {
            queryType = queryTypes.get(0);
            if (LOGGER.isLoggable(Level.FINE)) {
                for (int i = 1; i < queryTypes.size(); i++) {
                    if (queryTypes.get(i) != queryType) {
                        Object[] args = new Object[] { queryType, queryTypes.get(i) };
                        LOGGER.log(Level.FINE, "Expected a single query type, found {0} and {1}.", args);
                    }
                }
            }
        }

        return new BaseCompletionController(component, queryType);
    }

}