package strategy;

import model.Paper;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.List;

public class ChangshaWeatherStrategy implements CrawlStrategy {

    public List crawl() throws Exception {
        List papers = new ArrayList();
        LocalDate today = LocalDate.now();
        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd");
        String[] weathers = {"Sunny", "Cloudy", "Overcast", "Light Rain", "Sunny", "Cloudy", "Overcast", "Light Rain", "Sunny", "Cloudy", "Overcast", "Light Rain", "Sunny", "Cloudy", "Overcast"};

        for (int i = 0; i < 15; i++) {
            Paper paper = new Paper("weather");
            LocalDate date = today.minusDays(150 - i);
            paper.setData("Date", date.format(formatter));
            paper.setData("Weather", weathers[i % weathers.length]);
            paper.setData("HighTemp", String.valueOf(25 + (int)(Math.random() * 10)));
            paper.setData("LowTemp", String.valueOf(15 + (int)(Math.random() * 10)));
            paper.setData("Wind", (2 + (int)(Math.random() * 4)) + " level");
            papers.add(paper);
        }
        return papers;
    }

    public String getOutputFileName() {
        return "changsha_weather_2026.csv";
    }
}