/*
 * Solo - A small and beautiful blogging system written in Java.
 * Copyright (c) 2010-present, b3log.org
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
package org.b3log.solo.processor.console;

import org.b3log.latke.Keys;
import org.b3log.latke.Latkes;
import org.b3log.latke.ioc.Inject;
import org.b3log.latke.logging.Level;
import org.b3log.latke.logging.Logger;
import org.b3log.latke.model.Plugin;
import org.b3log.latke.service.LangPropsService;
import org.b3log.latke.servlet.RequestContext;
import org.b3log.latke.servlet.annotation.Before;
import org.b3log.latke.servlet.annotation.RequestProcessor;
import org.b3log.latke.servlet.renderer.JsonRenderer;
import org.b3log.solo.service.PluginMgmtService;
import org.b3log.solo.service.PluginQueryService;
import org.b3log.solo.util.Solos;
import org.json.JSONObject;

import java.util.Map;

/**
 * Plugin console request processing.
 *
 * @author <a href="http://88250.b3log.org">Liang Ding</a>
 * @author <a href="https://hacpai.com/member/mainlove">Love Yao</a>
 * @version 1.1.0.5, Dec 11, 2018
 * @since 0.4.0
 */
@RequestProcessor
@Before(ConsoleAdminAuthAdvice.class)
public class PluginConsole {

    /**
     * Logger.
     */
    private static final Logger LOGGER = Logger.getLogger(PluginConsole.class);

    /**
     * Plugin query service.
     */
    @Inject
    private PluginQueryService pluginQueryService;

    /**
     * Plugin management service.
     */
    @Inject
    private PluginMgmtService pluginMgmtService;

    /**
     * Language service.
     */
    @Inject
    private LangPropsService langPropsService;

    /**
     * Sets a plugin's status with the specified plugin id, status.
     * <p>
     * Renders the response with a json object, for example,
     * <pre>
     * {
     *     "sc": boolean,
     *     "msg": ""
     * }
     * </pre>
     * </p>
     *
     * @param context the specified request context
     */
    public void setPluginStatus(final RequestContext context) {
        final JsonRenderer renderer = new JsonRenderer();
        context.setRenderer(renderer);

        final JSONObject requestJSONObject = context.requestJSON();
        final String pluginId = requestJSONObject.getString(Keys.OBJECT_ID);
        final String status = requestJSONObject.getString(Plugin.PLUGIN_STATUS);
        final JSONObject result = pluginMgmtService.setPluginStatus(pluginId, status);

        renderer.setJSONObject(result);
    }

    /**
     * Gets plugins by the specified request.
     * <p>
     * The request URI contains the pagination arguments. For example, the
     * request URI is /console/plugins/1/10/20, means the current page is 1, the
     * page size is 10, and the window size is 20.
     * </p>
     * <p>
     * Renders the response with a json object, for example,
     * <pre>
     * {
     *     "sc": boolean,
     *     "pagination": {
     *         "paginationPageCount": 100,
     *         "paginationPageNums": [1, 2, 3, 4, 5]
     *     },
     *     "plugins": [{
     *         "name": "",
     *         "version": "",
     *         "author": "",
     *         "status": "", // Enumeration name of {@link org.b3log.latke.plugin.PluginStatus}
     *      }, ....]
     * }
     * </pre>
     * </p>
     *
     * @param context the specified request context
     * @throws Exception exception
     */
    public void getPlugins(final RequestContext context) {
        final JsonRenderer renderer = new JsonRenderer();
        context.setRenderer(renderer);

        try {
            final String requestURI = context.requestURI();
            final String path = requestURI.substring((Latkes.getContextPath() + "/console/plugins/").length());
            final JSONObject requestJSONObject = Solos.buildPaginationRequest(path);
            final JSONObject result = pluginQueryService.getPlugins(requestJSONObject);

            renderer.setJSONObject(result);
            result.put(Keys.STATUS_CODE, true);
        } catch (final Exception e) {
            LOGGER.log(Level.ERROR, e.getMessage(), e);

            final JSONObject jsonObject = new JSONObject().put(Keys.STATUS_CODE, false);
            renderer.setJSONObject(jsonObject);
            jsonObject.put(Keys.MSG, langPropsService.get("getFailLabel"));
        }
    }

    /**
     * get the info of the specified pluginoId,just fot the plugin-setting.
     *
     * @param context the specified request context
     */
    public void toSetting(final RequestContext context) {
        final ConsoleRenderer renderer = new ConsoleRenderer(context, "admin-plugin-setting.ftl");
        final Map<String, Object> dataModel = renderer.getDataModel();

        try {
            final JSONObject requestJSONObject = context.requestJSON();
            final String pluginId = requestJSONObject.getString(Keys.OBJECT_ID);
            final String setting = pluginQueryService.getPluginSetting(pluginId);
            Keys.fillRuntime(dataModel);
            dataModel.put(Plugin.PLUGIN_SETTING, setting);
            dataModel.put(Keys.OBJECT_ID, pluginId);
        } catch (final Exception e) {
            LOGGER.log(Level.ERROR, e.getMessage(), e);

            final JSONObject jsonObject = new JSONObject().put(Keys.STATUS_CODE, false);
            final JsonRenderer JsonRenderer = new JsonRenderer();
            JsonRenderer.setJSONObject(jsonObject);
            jsonObject.put(Keys.MSG, langPropsService.get("getFailLabel"));
        }
    }

    /**
     * update the setting of the plugin.
     *
     * @param context the specified request context
     */
    public void updateSetting(final RequestContext context) {
        final JsonRenderer renderer = new JsonRenderer();
        context.setRenderer(renderer);

        final JSONObject requestJSONObject = context.requestJSON();
        final String pluginoId = requestJSONObject.optString(Keys.OBJECT_ID);
        final String settings = requestJSONObject.optString(Plugin.PLUGIN_SETTING);
        final JSONObject ret = pluginMgmtService.updatePluginSetting(pluginoId, settings);

        renderer.setJSONObject(ret);
    }
}
