import Toybox.Lang;
import Toybox.Graphics;
import Toybox.WatchUi;
import Toybox.System;
import Toybox.Timer;
import Toybox.Math;

class garmin_padelView extends WatchUi.View {
    private const ACCENT = 0x00E0A0;     // padel green (sets/games)
    private const LABEL_COLOR = 0x808080; // muted grey (S/G/pts labels)
    private const COURT_BLUE = 0x1560BD; // court surface fill (configurable later)

    private var _court as CourtRenderer;
    private var _timer as Timer.Timer;

    public function initialize() {
        View.initialize();
        _court = new CourtRenderer();
        _timer = new Timer.Timer();
    }

    public function onShow() as Void {
        _timer.start(method(:onTick), 1000, true); // refresh clock + HR every second
    }

    public function onHide() as Void {
        _timer.stop();
    }

    public function onTick() as Void {
        WatchUi.requestUpdate();
    }

    public function onUpdate(dc as Graphics.Dc) as Void {
        var m = getApp().getMatch();
        var w = dc.getWidth();
        var h = dc.getHeight();
        var cx = w / 2;
        var cy = h / 2;

        dc.setColor(Graphics.COLOR_WHITE, Graphics.COLOR_BLACK);
        dc.clear();

        _court.draw(dc, cx, cy, m.servingQuadrant(), !m.isMatchOver(), COURT_BLUE);
        _drawLeftColumn(dc, m);
        _drawRightColumn(dc, m, w);
        _drawHeartRate(dc, cx, cy);
        _drawTime(dc, cx, h - 78);

        if (m.isMatchOver()) {
            _drawWinner(dc, cx, cy, m);
        }
    }

    // Left: S and G mini-columns, your team on top, opponents below.
    private function _drawLeftColumn(dc as Graphics.Dc, m as PadelMatch) as Void {
        var sX = 30;
        var gX = 76;
        var labelY = 148;
        var usY = 184;
        var themY = 240;

        dc.setColor(LABEL_COLOR, Graphics.COLOR_TRANSPARENT);
        dc.drawText(sX, labelY, Graphics.FONT_XTINY, "S", Graphics.TEXT_JUSTIFY_CENTER);
        dc.drawText(gX, labelY, Graphics.FONT_XTINY, "G", Graphics.TEXT_JUSTIFY_CENTER);

        dc.setColor(ACCENT, Graphics.COLOR_TRANSPARENT);
        dc.drawText(sX, usY, Graphics.FONT_TINY, m.sets(US).toString(), Graphics.TEXT_JUSTIFY_CENTER);
        dc.drawText(sX, themY, Graphics.FONT_TINY, m.sets(THEM).toString(), Graphics.TEXT_JUSTIFY_CENTER);

        dc.setColor(Graphics.COLOR_WHITE, Graphics.COLOR_TRANSPARENT);
        dc.drawText(gX, usY, Graphics.FONT_TINY, m.games(US).toString(), Graphics.TEXT_JUSTIFY_CENTER);
        dc.drawText(gX, themY, Graphics.FONT_TINY, m.games(THEM).toString(), Graphics.TEXT_JUSTIFY_CENTER);
    }

    // Right: Pts column, your team on top, opponents below.
    private function _drawRightColumn(dc as Graphics.Dc, m as PadelMatch, w as Number) as Void {
        var pX = w - 46;
        var labelY = 148;
        var usY = 184;
        var themY = 240;

        dc.setColor(LABEL_COLOR, Graphics.COLOR_TRANSPARENT);
        dc.drawText(pX, labelY, Graphics.FONT_XTINY, "Pts", Graphics.TEXT_JUSTIFY_CENTER);

        dc.setColor(Graphics.COLOR_WHITE, Graphics.COLOR_TRANSPARENT);
        dc.drawText(pX, usY, Graphics.FONT_TINY, m.pointLabel(US), Graphics.TEXT_JUSTIFY_CENTER);
        dc.drawText(pX, themY, Graphics.FONT_TINY, m.pointLabel(THEM), Graphics.TEXT_JUSTIFY_CENTER);
    }

    // Heart rate as a top arc gauge: 5 zone-colored segments (grey/blue/green/
    // orange/red), a white marker on the current zone, and the bpm number just
    // below — mirroring the standard Garmin run-activity HR view.
    private function _drawHeartRate(dc as Graphics.Dc, cx as Number, cy as Number) as Void {
        var hr = getApp().getHeartRate();
        var bpm = hr.getHeartRate();
        var zone = hr.getZone();
        var r = cx - 9;   // arc radius, hugging the top bezel

        // 5 zone segments across the top (150deg .. 30deg, clockwise)
        dc.setPenWidth(14);
        for (var k = 0; k < 5; k += 1) {
            var segStart = 150 - k * 24;
            dc.setColor(_zoneColor(k + 1), Graphics.COLOR_TRANSPARENT);
            dc.drawArc(cx, cy, r, Graphics.ARC_CLOCKWISE, segStart - 2, segStart - 22);
        }
        dc.setPenWidth(1);

        // marker on the current zone
        if (zone >= 1 && zone <= 5) {
            var mid = 150 - (zone - 1) * 24 - 12;
            var rad = Math.toRadians(mid);
            var mx = (cx + r * Math.cos(rad)).toNumber();
            var my = (cy - r * Math.sin(rad)).toNumber();
            dc.setColor(Graphics.COLOR_WHITE, Graphics.COLOR_TRANSPARENT);
            dc.fillCircle(mx, my, 8);
            dc.setColor(Graphics.COLOR_BLACK, Graphics.COLOR_TRANSPARENT);
            dc.drawCircle(mx, my, 8);
        }

        // exact rate, tucked just under the arc (dim placeholder when no reading,
        // so it never reads as a court line)
        var text = (bpm == null) ? "--" : bpm.toString();
        var col = (bpm == null) ? LABEL_COLOR : Graphics.COLOR_WHITE;
        dc.setColor(col, Graphics.COLOR_TRANSPARENT);
        dc.drawText(cx, cy - 178, Graphics.FONT_MEDIUM, text, Graphics.TEXT_JUSTIFY_CENTER);
    }

    // Garmin HR zone colors: 1 grey, 2 blue, 3 green, 4 orange, 5 red.
    private function _zoneColor(z as Number) as Number {
        if (z == 1) { return Graphics.COLOR_LT_GRAY; }
        if (z == 2) { return Graphics.COLOR_BLUE; }
        if (z == 3) { return Graphics.COLOR_GREEN; }
        if (z == 4) { return Graphics.COLOR_ORANGE; }
        return Graphics.COLOR_RED;
    }

    private function _drawTime(dc as Graphics.Dc, cx as Number, y as Number) as Void {
        var now = System.getClockTime();
        var text = now.hour.format("%02d") + ":" + now.min.format("%02d");
        dc.setColor(Graphics.COLOR_WHITE, Graphics.COLOR_TRANSPARENT);
        dc.drawText(cx, y, Graphics.FONT_MEDIUM, text, Graphics.TEXT_JUSTIFY_CENTER);
    }

    private function _drawWinner(dc as Graphics.Dc, cx as Number, cy as Number, m as PadelMatch) as Void {
        var text = (m.winner() == US) ? "You win!" : "They win";
        dc.setColor(ACCENT, Graphics.COLOR_BLACK);
        dc.fillRectangle(cx - 70, cy - 18, 140, 36);
        dc.setColor(Graphics.COLOR_BLACK, Graphics.COLOR_TRANSPARENT);
        dc.drawText(cx, cy, Graphics.FONT_SMALL, text, Graphics.TEXT_JUSTIFY_CENTER | Graphics.TEXT_JUSTIFY_VCENTER);
    }
}