/*
 * Copyright (C) 2012 The Android Open Source Project
 *
 * 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 com.android.inputmethod.keyboard.internal;

import android.content.Context;
import android.content.res.Resources;

import com.android.inputmethod.latin.R;

import java.util.HashMap;

/**
 * !!!!! DO NOT EDIT THIS FILE !!!!!
 * This file is generated by tools/makelabel.
 */
public final class KeyboardLabelsSet {
    // Language to labels map.
    private static final HashMap<String, String[]> sLocaleToLabelsMap =
            new HashMap<String, String[]>();
    private static final HashMap<String, Integer> sNameToIdMap = new HashMap<String, Integer>();

    private String[] mLabels;
    // Resource name to label map.
    private HashMap<String, String> mResourceNameToLabelsMap = new HashMap<String, String>();

    public void setLanguage(final String language) {
        mLabels = sLocaleToLabelsMap.get(language);
        if (mLabels == null) {
            mLabels = LANGUAGE_DEFAULT;
        }
    }

    public void loadStringResources(Context context) {
        loadStringResourcesInternal(context, RESOURCE_NAMES, R.string.english_ime_name);
    }

    /* package for test */
    void loadStringResourcesInternal(Context context, final String[] resourceNames,
            int referenceId) {
        final Resources res = context.getResources();
        final String packageName = res.getResourcePackageName(referenceId);
        for (final String resName : resourceNames) {
            final int resId = res.getIdentifier(resName, "string", packageName);
            mResourceNameToLabelsMap.put(resName, res.getString(resId));
        }
    }

    public String getLabel(final String name) {
        if (mResourceNameToLabelsMap.containsKey(name)) {
            return mResourceNameToLabelsMap.get(name);
        }
        final Integer id = sNameToIdMap.get(name);
        if (id == null) throw new RuntimeException("Unknown label: " + name);
        final String label = (id < mLabels.length) ? mLabels[id] : null;
        return (label == null) ? LANGUAGE_DEFAULT[id] : label;
    }

    private static final String[] RESOURCE_NAMES = {
        // These labels' name should be aligned with the @string/<name> in values/strings.xml.
        // Labels for action.
        "label_go_key",
        // "label_search_key",
        "label_send_key",
        "label_next_key",
        "label_done_key",
        "label_previous_key",
        // Other labels.
        "label_to_alpha_key",
        "label_to_symbol_key",
        "label_to_symbol_with_microphone_key",
        "label_pause_key",
        "label_wait_key",
    };

    private static final String[] NAMES = {
        /* @NAMES@ */
    };

    private static final String EMPTY = "";

    /* Default labels */
    private static final String[] LANGUAGE_DEFAULT = {
        /* @DEFAULT_LABELS@ */
    };

    /* @LABELS@ */
    private static final Object[] LANGUAGES_AND_LABELS = {
        /* @LANGUAGES_AND_LABELS@ */
    };

    static {
        int id = 0;
        for (final String name : NAMES) {
            sNameToIdMap.put(name, id++);
        }

        for (int i = 0; i < LANGUAGES_AND_LABELS.length; i += 2) {
            final String language = (String)LANGUAGES_AND_LABELS[i];
            final String[] labels = (String[])LANGUAGES_AND_LABELS[i + 1];
            sLocaleToLabelsMap.put(language, labels);
        }
    }
}