package com.fr.start.module;


import com.fanruan.product.BuildContext;
import com.fr.base.OptimizeUtil;
import com.fr.concurrent.NamedThreadFactory;
import com.fr.config.dao.DaoSelectorFactory;
import com.fr.config.dao.PropertiesConstants;
import com.fr.decision.webservice.v10.encryption.EncryptionConstants;
import com.fr.design.DesignerEnvManager;
import com.fr.design.RestartHelper;
import com.fr.design.dialog.TipDialog;
import com.fr.design.env.DesignerWorkspaceInfo;
import com.fr.design.env.DesignerWorkspaceType;
import com.fr.design.fun.impl.GlobalListenerProviderManager;
import com.fr.design.i18n.Toolkit;
import com.fr.design.mainframe.messagecollect.StartErrorMessageCollector;
import com.fr.design.mainframe.messagecollect.StartupMessageCollector;
import com.fr.design.mainframe.messagecollect.entity.DesignerErrorMessage;
import com.fr.design.utils.DesignUtils;
import com.fr.env.utils.WorkspaceUtils;
import com.fr.event.Event;
import com.fr.event.Listener;
import com.fr.event.Null;
import com.fr.exit.DesignerExiter;
import com.fr.log.FineLoggerFactory;
import com.fr.module.Activator;
import com.fr.record.analyzer.EnableMetrics;
import com.fr.record.analyzer.Metrics;
import com.fr.stable.ArrayUtils;
import com.fr.stable.StableUtils;
import com.fr.stable.StringUtils;
import com.fr.stable.project.ProjectConstants;
import com.fr.start.DesignerProcessType;
import com.fr.start.ServerStarter;
import com.fr.start.common.DesignerStartupContext;
import com.fr.start.event.LazyStartupEvent;
import com.fr.start.preload.PreLoadService;
import com.fr.start.server.FineEmbedServer;
import com.fr.third.guava.base.Stopwatch;
import com.fr.value.NotNullLazyValue;
import org.jetbrains.annotations.NotNull;

import java.io.File;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;

/**
 * Created by juhaoyu on 2018/1/8.
 */
@EnableMetrics
public class DesignerStartup extends Activator {

    private NotNullLazyValue<StartupArgs> startupArgsValue = new NotNullLazyValue<StartupArgs>() {
        @NotNull
        @Override
        protected StartupArgs compute() {
            return findSingleton(StartupArgs.class);
        }
    };

    @Override
    public void beforeAllStart() {
        
        BuildContext.setBuildFilePath("/com/fr/stable/build.properties");
    
        registerDaoSelector();
        
        Stopwatch beforeWatch = Stopwatch.createStarted();
        PreLoadService.getInstance().waitForCommon();
        FineLoggerFactory.getLogger().debug( "DesignerStartup cost {} ms to wait load", beforeWatch.elapsed(TimeUnit.MILLISECONDS));
        
        if (DesignUtils.isStarted()) {
            // 如果端口被占用了 说明程序已经运行了一次,也就是说，已经建立一个监听服务器，现在只要给服务器发送命令就好了
            final String[] args = startupArgsValue.getValue().get();
            if (ArrayUtils.isNotEmpty(args)) {
                DesignUtils.clientSend(args);
            }
            FineLoggerFactory.getLogger().info("The Designer Has Been Started");
            if (args.length == 0) {
                TipDialog dialog = new TipDialog(null,
                        DesignerProcessType.INSTANCE.obtain(),
                        Toolkit.i18nText("Fine-Design_Last_Designer_Process_Not_Exist"),
                        Toolkit.i18nText("Fine-Design_End_Occupied_Process"),
                        Toolkit.i18nText("Fine-Design_Basic_Cancel")) {
                    @Override
                    protected void endEvent() {
                        dispose();
                        DesignUtils.clientSend(new String[]{"end"});
                        RestartHelper.restart();
                    }
                
                    @Override
                    protected void cancelEvent() {
                        dispose();
                    }
                };
                dialog.setVisible(true);
                StartErrorMessageCollector.getInstance().record(DesignerErrorMessage.DESIGNER_PROCESS_OCCUPIED.getId(),
                        DesignerErrorMessage.DESIGNER_PROCESS_OCCUPIED.getMessage(),
                        StringUtils.EMPTY);
                FineLoggerFactory.getLogger().error(DesignerErrorMessage.DESIGNER_PROCESS_OCCUPIED.getId() + ": " + DesignerErrorMessage.DESIGNER_PROCESS_OCCUPIED.getMessage());
            }
            DesignerExiter.getInstance().execute();
        }
        
    }

    @Override
    @Metrics
    public void start() {
        startSub(PreStartActivator.class);
        startSub("parallel");
        //designer模块启动好后，查看demo
        browserDemoIfNeeded();
        startupEmbedServerIfNeeded();
    }

    private void startupEmbedServerIfNeeded() {
        if (DesignerEnvManager.getEnvManager().isEmbedServerLazyStartup()
                || FineEmbedServer.isRunning()) {
            return;
        }
        if (DaoSelectorFactory.getDaoSelector().useCacheDao() || DesignerStartupContext.getInstance().isOnStartup()) {
            listenEvent(LazyStartupEvent.INSTANCE, new Listener<Null>(Integer.MIN_VALUE) {
                @Override
                public void on(Event event, Null param) {
                    // 有可能被插件之类的 强制启动了 判断下
                    if (FineEmbedServer.isRunning() || FineEmbedServer.isOnStarting()) {
                        return;
                    }
                    startEmbeddedServer();
                }
            });
        } else {
            startEmbeddedServer();
        }
    }

    private void startEmbeddedServer() {
        ExecutorService service = newSingleThreadExecutor(new NamedThreadFactory("FineEmbedServerStart"));
        service.submit(FineEmbedServer::start);
        service.shutdown();
    }

    @Override
    public void afterAllStart() {
        GlobalListenerProviderManager.getInstance().init();
        // 启动日志收集
        StartupMessageCollector.getInstance().recordStartupLog();
    }

    private void browserDemoIfNeeded() {

        if (startupArgsValue.getValue().isDemo()) {
            ServerStarter.browserDemoURL();
        }
    }

    private void registerDaoSelector() {
        // 注入设计器db cache 是否可用
        DesignerWorkspaceInfo info = WorkspaceUtils.getWorkspaceInfo();
        if (info.getType() == DesignerWorkspaceType.Remote) {
            DaoSelectorFactory.registerDaoSelector(() -> false);
        } else {
            String webInfPath = WorkspaceUtils.getWorkspaceInfo().getPath();
            String dbConfigPath = StableUtils.pathJoin(webInfPath, ProjectConstants.CONFIG_DIRECTORY,
                                                       EncryptionConstants.PROPERTY_NAME);
            String entityPath = generatePath(webInfPath, PropertiesConstants.ENTITY_PROP);
            String xmlEntityPath = generatePath(webInfPath, PropertiesConstants.XML_ENTITY_PROP);
            String classNamePath = generatePath(webInfPath, PropertiesConstants.CLASS_NAME_PROP);
            // 校验 平台迁移文件/缓存文件
            boolean existPropCache = new File(entityPath).exists() && new File(xmlEntityPath).exists() && new File(classNamePath).exists();
            DaoSelectorFactory.registerDaoSelector(() -> DesignerEnvManager.getEnvManager().isPropertiesUsable()
                    && OptimizeUtil.isOpen()
                    && existPropCache
                    // demo启动时 前后目录可能会不一致 造成读取缓存失败
                    && !startupArgsValue.getValue().isDemo()
                    && !new File(dbConfigPath).exists());

        }
    }

    private String generatePath(String webInfPath, String name) {
        return StableUtils.pathJoin(webInfPath, ProjectConstants.EMBED_DB_DIRECTORY,
                                    ProjectConstants.PROPERTIES_CACHE_FOR_CONFIG, name);
    }


    @Override
    public void stop() {
        // void
    }
}