From b500e96b3601a2cee80f06d7f8101023d519707a Mon Sep 17 00:00:00 2001
From: Richard de Boer <git@tubul.net>
Date: Tue, 16 May 2023 22:54:48 +0200
Subject: [PATCH] hasensors: add icons

Home Assistant already sets a level-dependant icon, but doesn't know
how to apply the charging state.
---
 apps/hasensors/ChangeLog |  3 ++-
 apps/hasensors/lib.js    | 25 ++++++++++++++++++-------
 2 files changed, 20 insertions(+), 8 deletions(-)

diff --git a/apps/hasensors/ChangeLog b/apps/hasensors/ChangeLog
index 2c904fc71..7b3a63039 100644
--- a/apps/hasensors/ChangeLog
+++ b/apps/hasensors/ChangeLog
@@ -1,2 +1,3 @@
 0.01: New app!
-0.02: Customize code directly, remove config file
+0.02: Add sensor icons
+      Customize code directly, remove config file
diff --git a/apps/hasensors/lib.js b/apps/hasensors/lib.js
index 555e52dce..b8ee1bfb9 100644
--- a/apps/hasensors/lib.js
+++ b/apps/hasensors/lib.js
@@ -14,19 +14,30 @@ function post(sensor, data) {
 
 exports.sendBattery = function () {
     if (!NRF.getSecurityStatus().connected) return;
+    const b = E.getBattery(), 
+        c = Bangle.isCharging();
+    let i = "mdi:battery";
+    if (c) i += "-charging";
+
+    post('battery_state', {
+        state: c ? 'charging' : 'discharging',
+        attributes: {
+            friendly_name: "{name} Battery State",
+            icon: i + (c ? "" : "-minus"),
+        }
+    });
+
+    if (b<10) i += "-outline"; // there is no battery-0
+    else if (b<100 || c) i += "-" + Math.floor(b/10)*10; // no battery-100 either
+
     post('battery_level', {
-        state: E.getBattery(),
+        state: b,
         attributes: {
             friendly_name: "{name} Battery Level",
             unit_of_measurement: "%",
             device_class: "battery",
             state_class: "measurement",
-        }
-    });
-    post('battery_state', {
-        state: Bangle.isCharging() ? 'charging' : 'discharging',
-        attributes: {
-            friendly_name: "{name} Battery State",
+            icon: i,
         }
     });
 }
\ No newline at end of file