import Toybox.Graphics;
import Toybox.Lang;
import Toybox.Time;
import Toybox.Time.Gregorian;
import Toybox.WatchUi;

// Glance shown in the widget list. Shows the most recent event:
// line 1: event type
// line 2: date + time
// line 3: street + housenumber (if cached)
(:glance)
class GlanceView extends WatchUi.GlanceView {

    function initialize() {
        GlanceView.initialize();
    }

    function onUpdate(dc as Dc) as Void {
        dc.setColor(Config.COLOR_FG, Config.COLOR_BG);
        dc.clear();

        var h = dc.getHeight();
        var font = Graphics.FONT_GLANCE;
        var lineH = dc.getFontHeight(font);
        var margin = 4;

        var latest = EventStore.latest();
        if (latest == null) {
            dc.drawText(margin, h / 2, font, "Keine Einträge",
                Graphics.TEXT_JUSTIFY_LEFT | Graphics.TEXT_JUSTIFY_VCENTER);
            return;
        }

        var totalH = 3 * lineH;
        var startY = (h - totalH) / 2 + lineH / 2;

        // Line 1: event type.
        dc.drawText(margin, startY, font,
            _eventLabel(latest.type),
            Graphics.TEXT_JUSTIFY_LEFT | Graphics.TEXT_JUSTIFY_VCENTER);

        // Line 2: date + time.
        dc.drawText(margin, startY + lineH, font,
            _formatTimestamp(latest.timestamp),
            Graphics.TEXT_JUSTIFY_LEFT | Graphics.TEXT_JUSTIFY_VCENTER);

        // Line 3: address or coordinates.
        var line3;
        if (latest.address != null) {
            line3 = latest.address as String;
        } else if (latest.lat != null && latest.lon != null) {
            line3 = (latest.lat as Float).format("%.4f") + ", " + (latest.lon as Float).format("%.4f");
        } else {
            line3 = "Kein Standort";
        }
        dc.drawText(margin, startY + lineH * 2, font, line3,
            Graphics.TEXT_JUSTIFY_LEFT | Graphics.TEXT_JUSTIFY_VCENTER);
    }

    private function _eventLabel(key as String) as String {
        if (key.equals(Config.EVENT_GENERAL))  { return "Ereignis"; }
        if (key.equals(Config.EVENT_START))    { return "Einsatzbeginn"; }
        if (key.equals(Config.EVENT_END))      { return "Einsatzende"; }
        if (key.equals(Config.EVENT_ARRIVAL))  { return "Eintreffen"; }
        if (key.equals(Config.EVENT_ARREST))   { return "Festnahme"; }
        if (key.equals(Config.EVENT_FORCE))    { return "Zwang"; }
        if (key.equals(Config.EVENT_EVIDENCE)) { return "Beweismittel"; }
        if (key.equals(Config.EVENT_SIGHTING)) { return "Sichtung"; }
        return key;
    }

    private function _formatTimestamp(ts as Number) as String {
        var moment = new Time.Moment(ts);
        var info = Gregorian.info(moment, Time.FORMAT_SHORT);
        return Lang.format("$1$.$2$.$3$ $4$:$5$", [
            info.day.format("%02d"),
            info.month.format("%02d"),
            info.year,
            info.hour.format("%02d"),
            info.min.format("%02d")
        ]);
    }
}