// 
// Decompiled by Procyon v0.6.0
// 

package org.jline.widget;

import org.jline.reader.Buffer;
import org.jline.reader.impl.BufferImpl;
import org.jline.reader.LineReader;

public class AutosuggestionWidgets extends Widgets
{
    private boolean enabled;
    
    public AutosuggestionWidgets(final LineReader reader) {
        super(reader);
        this.enabled = false;
        if (this.existsWidget("_autosuggest-forward-char")) {
            throw new IllegalStateException("AutosuggestionWidgets already created!");
        }
        this.addWidget("_autosuggest-forward-char", this::autosuggestForwardChar);
        this.addWidget("_autosuggest-end-of-line", this::autosuggestEndOfLine);
        this.addWidget("_autosuggest-forward-word", this::partialAccept);
        this.addWidget("autosuggest-toggle", this::toggleKeyBindings);
    }
    
    public void disable() {
        this.defaultBindings();
    }
    
    public void enable() {
        this.customBindings();
    }
    
    public boolean partialAccept() {
        final Buffer buffer = this.buffer();
        if (buffer.cursor() == buffer.length()) {
            final int curPos = buffer.cursor();
            buffer.write(this.tailTip());
            buffer.cursor(curPos);
            this.replaceBuffer(buffer);
            this.callWidget("forward-word");
            final Buffer newBuf = new BufferImpl();
            newBuf.write(this.buffer().substring(0, this.buffer().cursor()));
            this.replaceBuffer(newBuf);
        }
        else {
            this.callWidget("forward-word");
        }
        return true;
    }
    
    public boolean autosuggestForwardChar() {
        return this.accept("forward-char");
    }
    
    public boolean autosuggestEndOfLine() {
        return this.accept("end-of-line");
    }
    
    public boolean toggleKeyBindings() {
        if (this.enabled) {
            this.defaultBindings();
        }
        else {
            this.customBindings();
        }
        return this.enabled;
    }
    
    private boolean accept(final String widget) {
        final Buffer buffer = this.buffer();
        if (buffer.cursor() == buffer.length()) {
            this.putString(this.tailTip());
        }
        else {
            this.callWidget(widget);
        }
        return true;
    }
    
    private void customBindings() {
        if (this.enabled) {
            return;
        }
        this.aliasWidget("_autosuggest-forward-char", "forward-char");
        this.aliasWidget("_autosuggest-end-of-line", "end-of-line");
        this.aliasWidget("_autosuggest-forward-word", "forward-word");
        this.enabled = true;
        this.setSuggestionType(LineReader.SuggestionType.HISTORY);
    }
    
    private void defaultBindings() {
        if (!this.enabled) {
            return;
        }
        this.aliasWidget(".forward-char", "forward-char");
        this.aliasWidget(".end-of-line", "end-of-line");
        this.aliasWidget(".forward-word", "forward-word");
        this.enabled = false;
        this.setSuggestionType(LineReader.SuggestionType.NONE);
    }
}