/*
 * 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.annotations.UsedForTesting;
import com.android.inputmethod.latin.utils.CollectionUtils;

import java.util.HashMap;

/**
 * !!!!! DO NOT EDIT THIS FILE !!!!!
 *
 * This file is generated by tools/make-keyboard-text. The base template file is
 *   tools/make-keyboard-text/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
 *
 * This file must be updated when any text resources in keyboard layout files have been changed.
 * These text resources are referred as "!text/<resource_name>" in keyboard XML definitions,
 * and should be defined in
 *   tools/make-keyboard-text/res/values-<locale>/donottranslate-more-keys.xml
 *
 * To update this file, please run the following commands.
 *   $ cd $ANDROID_BUILD_TOP
 *   $ mmm packages/inputmethods/LatinIME/tools/make-keyboard-text
 *   $ make-keyboard-text -java packages/inputmethods/LatinIME/java/src
 *
 * The updated source file will be generated to the following path (this file).
 *   packages/inputmethods/LatinIME/java/src/com/android/inputmethod/keyboard/internal/
 *   KeyboardTextsSet.java
 */
public final class KeyboardTextsSet {
    // Language to texts map.
    private static final HashMap<String, String[]> sLocaleToTextsMap = CollectionUtils.newHashMap();
    private static final HashMap<String, Integer> sNameToIdsMap = CollectionUtils.newHashMap();

    private String[] mTexts;
    // Resource name to text map.
    private HashMap<String, String> mResourceNameToTextsMap = CollectionUtils.newHashMap();

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

    public void loadStringResources(final Context context) {
        final int referenceId = context.getApplicationInfo().labelRes;
        loadStringResourcesInternal(context, RESOURCE_NAMES, referenceId);
    }

    @UsedForTesting
    void loadStringResourcesInternal(final Context context, final String[] resourceNames,
            final 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);
            mResourceNameToTextsMap.put(resName, res.getString(resId));
        }
    }

    public String getText(final String name) {
        String text = mResourceNameToTextsMap.get(name);
        if (text != null) {
            return text;
        }
        final Integer id = sNameToIdsMap.get(name);
        if (id == null) throw new RuntimeException("Unknown label: " + name);
        text = (id < mTexts.length) ? mTexts[id] : null;
        return (text == null) ? LANGUAGE_DEFAULT[id] : text;
    }

    private static final String[] RESOURCE_NAMES = {
        // These texts' 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_pause_key",
        "label_wait_key",
    };

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

    private static final String EMPTY = "";

    /* Default texts */
    private static final String[] LANGUAGE_DEFAULT = {
        /* @DEFAULT_TEXTS@ */
    };

    /* @TEXTS@ */
    private static final Object[] LANGUAGES_AND_TEXTS = {
        /* @LANGUAGES_AND_TEXTS@ */
    };

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

        for (int i = 0; i < LANGUAGES_AND_TEXTS.length; i += 2) {
            final String language = (String)LANGUAGES_AND_TEXTS[i];
            final String[] texts = (String[])LANGUAGES_AND_TEXTS[i + 1];
            sLocaleToTextsMap.put(language, texts);
        }
    }
}