package de.jeyp91.whatsapp;

import de.jeyp91.tippligaforum.TippligaSQLConnector;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.json.simple.JSONObject;

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.time.Duration;
import java.util.ArrayList;

public class WhatsAppNotifier {
    private final String host = System.getenv("TLW_WHATSAPP_HOST");
    private final String port = System.getenv("TLW_WHATSAPP_PORT");
    private final String apiKey = System.getenv("TLW_WHATSAPP_API_KEY");
    private static final Logger logger = LogManager.getLogger(WhatsAppNotifier.class);
    private final HttpClient client;
    private final OpenAIConnector openAIConnector = new OpenAIConnector();

    public WhatsAppNotifier() {
        client = HttpClient.newBuilder()
                .connectTimeout(Duration.ofSeconds(10))
                .build();
    }

    public void sendNotifications() {
        ArrayList<WhatsAppReminder> reminders = TippligaSQLConnector.getInstance().getNextWhatsAppReminders(24);
        reminders.addAll(TippligaSQLConnector.getInstance().getNextWhatsAppReminders(1));
        reminders.forEach(reminder -> {
            boolean success = sendMessage(reminder);
            if (success) {
                markReminderAsSent(reminder);
            }
        });
    }

    public boolean sendMessage(WhatsAppReminder reminder) {
        String message = openAIConnector.getReminderMessage(reminder);
        JSONObject body = new JSONObject();
        body.put("number", reminder.phoneNumber().substring(2));
        body.put("message", message);
        HttpRequest req = HttpRequest.newBuilder()
                .uri(URI.create(this.host + (this.port != null ? ":" + this.port : "") + "/send"))
                .headers("Content-Type", "application/json")
                .headers("x-api-key", apiKey)
                .POST(HttpRequest.BodyPublishers.ofString(body.toJSONString()))
                .build();
        boolean success = false;
        try {
            client.send(req, HttpResponse.BodyHandlers.ofString()).body();
            success = true;
        } catch (Exception e) {
            logger.error("Failed to send WhatsApp message: " + e.getMessage());
        }
        return success;
    }

    public void markReminderAsSent(WhatsAppReminder reminder) {
        TippligaSQLConnector.getInstance().markWhatsAppReminderAsSent(reminder);
    }
}