package no.topi.fiken.display;

import android.content.Intent;
import android.content.IntentFilter;
import android.os.Binder;

public interface DisplayService {

    enum IntentExtra {
        DEVICE_NAME,
        DEVICE_ADDRESS,
        DEVICE_IS_DISPLAY,
        RSSI,
        SCANNING,
        CONNECTED,
        GAUGE_COUNT,
    }

    public static enum IntentAction {
        DEVICE_UPDATE;

        private final String key = getClass().getName() + "." + name();

        public Intent intent() {
            return new Intent(key);
        }

        public static final IntentFilter ALL_FILTER = new IntentFilter() {{
            for (DefaultDisplayService.IntentAction intentAction : DefaultDisplayService.IntentAction.values()) {
                addAction(intentAction.key);
            }
        }};

        public static IntentAction valueOf(Intent intent) {
            try {
                return valueOf(intent.getAction().replaceAll(".*\\.", ""));
            } catch (IllegalArgumentException e) {
                return null;
            }
        }
    }

    public class LocalBinder extends Binder {
        private final DisplayService service;

        public LocalBinder(DisplayService service) {
            this.service = service;
        }

        DisplayService getService() {
            return service;
        }
    }

    boolean initialize();

    void startScan();

    void stopScan();

    boolean connect(String address);

    public void disconnect();

    class DeviceInfo {
        final String address;
        int rssi = 0;
        int gaugeCount = 0;
        Boolean isDisplay = null;
        String name;

        DeviceInfo(String address, int rssi) {
            this.address = address;
            this.rssi = rssi;
        }

        @Override
        public boolean equals(Object o) {
            if (this == o) return true;
            if (o == null || getClass() != o.getClass()) return false;

            DeviceInfo that = (DeviceInfo) o;

            return address.equals(that.address);
        }

        @Override
        public int hashCode() {
            return address.hashCode();
        }

        public void update(Intent intent) {
            if (intent.hasExtra(IntentExtra.DEVICE_IS_DISPLAY.name())) {
                isDisplay = intent.getBooleanExtra(IntentExtra.DEVICE_IS_DISPLAY.name(), false);
            }
            if (intent.hasExtra(IntentExtra.RSSI.name())) {
                rssi = intent.getIntExtra(IntentExtra.RSSI.name(), 0);
            }
            if (intent.hasExtra(IntentExtra.DEVICE_NAME.name())) {
                name = intent.getStringExtra(IntentExtra.DEVICE_NAME.name());
            }
            if (intent.hasExtra(IntentExtra.GAUGE_COUNT.name())) {
                gaugeCount = intent.getIntExtra(IntentExtra.GAUGE_COUNT.name(), 0);
            }
        }
    }
}