import command.AnalyzeCommand;
import command.HeroCrawlCommand;
import command.MovieCrawlCommand;
import command.WeatherAnalyzeCommand;
import command.WeatherCrawlCommand;
import command.CommandInvoker;
import controller.CrawlerContext;
import exception.CrawlerException;
import exception.NetworkException;
import exception.ParseException;
import model.Hero;
import model.Movie;
import model.Weather;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import util.DataUtil;
import view.CrawlerView;

import java.io.IOException;
import java.util.List;

// ===================== 10. 主程序入口 =====================
public class CrawlerMain {
    private static final Logger logger = LoggerFactory.getLogger(CrawlerMain.class);

    public static void main(String[] args) {
        logger.info("===== 爬虫程序启动（CLI+MVC+Command+策略模式） =====");
        CrawlerView view = new CrawlerView();
        CrawlerContext context = new CrawlerContext();
        CommandInvoker invoker = new CommandInvoker();

        MovieCrawlCommand movieCmd = new MovieCrawlCommand(context);
        HeroCrawlCommand heroCmd = new HeroCrawlCommand(context);
        WeatherCrawlCommand weatherCmd = new WeatherCrawlCommand(context);
        AnalyzeCommand analyzeCmd = new AnalyzeCommand(movieCmd, heroCmd);
        WeatherAnalyzeCommand weatherAnalyzeCmd = new WeatherAnalyzeCommand(weatherCmd);

        DataUtil.initFolder();

        while (true) {
            try {
                view.showMenu();
                int op = view.getInput();
                switch (op) {
                    case 1:
                        invoker.runCommand(movieCmd);
                        view.showMsg("电影爬取完成");
                        break;
                    case 2:
                        invoker.runCommand(heroCmd);
                        view.showMsg("英雄爬取完成");
                        break;
                    case 3:
                        invoker.runCommand(weatherCmd);
                        view.showMsg("天气爬取完成");
                        break;
                    case 4:
                        analyzeCmd.execute();
                        break;
                    case 5:
                        weatherAnalyzeCmd.execute();
                        break;
                    // 第6项：导入历史数据（无fileName:，无报错）
                    case 6:
                        try {
                            List<Movie> movieList = DataUtil.importJson("movie.json", Movie.class);
                            List<Hero> heroList = DataUtil.importJson("hero.json", Hero.class);
                            List<Weather> weatherList = DataUtil.importJson("weather.json", Weather.class);
                            view.showMsg("✅ 历史数据导入成功！");
                            view.showMsg("电影：" + movieList.size() + " 条");
                            view.showMsg("英雄：" + heroList.size() + " 条");
                            view.showMsg("天气：" + weatherList.size() + " 条");
                        } catch (IOException e) {
                            view.showMsg("导入失败：" + e.getMessage());
                        }
                        break;
                    case 0:
                        view.showMsg("程序退出");
                        System.exit(0);
                        break;
                    default:
                        view.showMsg("指令错误，请重新输入");
                }
            } catch (NumberFormatException e) {
                view.showMsg("请输入数字！");
            } catch (NetworkException e) {
                logger.error("网络异常：", e);
                view.showMsg("网络异常：" + e.getMessage());
            } catch (ParseException e) {
                logger.error("解析异常：", e);
                view.showMsg("解析异常：" + e.getMessage());
            } catch (CrawlerException e) {
                logger.error("爬虫异常：", e);
                view.showMsg("爬虫异常：" + e.getMessage());
            }catch (IOException e) {
                logger.error("IO异常：", e);
                view.showMsg("IO异常：" + e.getMessage());
            }
        }
    }
}