package org.gingercal;

import android.app.IntentService;
import android.content.Intent;
import android.content.SharedPreferences;

/** Runs a sync on a worker thread and broadcasts the outcome to whatever screen is open. */
public class SyncService extends IntentService {
    public static final String STATE = "org.gingercal.SYNC_STATE";
    public static volatile boolean running;

    public SyncService() {
        super("GingerCalSync");
    }

    @Override
    protected void onHandleIntent(Intent intent) {
        boolean manual = intent != null && intent.getBooleanExtra("manual", false);
        boolean force = intent != null && intent.getBooleanExtra("force", false);
        SharedPreferences p = App.prefs(this);
        Dav dav = null;
        try {
            if (!App.configured(this)) return;
            if (!manual && !App.online(this)) return;
            running = true;
            send("start", null, null);
            dav = App.dav(this);
            long now = System.currentTimeMillis();
            Syncer.Result r = Syncer.sync(dav, Db.get(this), now, 1, App.ahead(this), force);
            p.edit().putLong("lastsync", now).putString("status", r.summary()).putBoolean("error", false).commit();
            send("done", r.summary(), null);
        } catch (DavException.UntrustedCert u) {
            p.edit().putString("status", u.getMessage()).putBoolean("error", true).commit();
            send("error", u.getMessage(), u);
        } catch (Throwable t) {
            String msg = App.describe(t);
            p.edit().putString("status", msg).putBoolean("error", true).commit();
            send("error", msg, null);
        } finally {
            running = false;
            if (dav != null) dav.close();
            try {
                Reminders.schedule(this);
            } catch (RuntimeException ignored) {
            }
            AlarmReceiver.release();
        }
    }

    void send(String state, String msg, DavException.UntrustedCert u) {
        Intent b = new Intent(STATE);
        b.setPackage(getPackageName());
        b.putExtra("state", state);
        if (msg != null) b.putExtra("msg", msg);
        if (u != null) {
            b.putExtra("fp", u.fingerprint);
            b.putExtra("subject", u.subject);
            b.putExtra("issuer", u.issuer);
            b.putExtra("expires", u.expires);
            b.putExtra("mismatch", u.pinMismatch);
        }
        sendBroadcast(b);
    }
}