From 85bcbd166c06286e00f3fffae73b3255e808ccb7 Mon Sep 17 00:00:00 2001
From: Empire <empire@example.com>
Date: Sun, 4 Jun 2023 19:21:53 +0200
Subject: [PATCH] Fix remaining mqtt calculation

---
 esp32/src/main.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/esp32/src/main.cpp b/esp32/src/main.cpp
index 12f59bd..18751b9 100644
--- a/esp32/src/main.cpp
+++ b/esp32/src/main.cpp
@@ -1094,10 +1094,14 @@ void plantcontrol()
     if (waterRawSensor.getCount() > 0)
     {
       float remaining = (waterLevelMax.get() - waterRawSensor.getAverage());
+      float actualDifference = waterLevelMax.get() - waterLevelMin.get();
+      float ratio = remaining/actualDifference;
+      sensorWater.setProperty("useable").send(String(actualDifference));
       if (!isnan(remaining))
       {
         /* measuring the distance from top -> smaller value means more water: */
-        sensorWater.setProperty("remaining").send(String(100.0 - (remaining/100)));
+        sensorWater.setProperty("remaining").send(String(ratio*100));
+        
       }
       if (!isnan(waterRawSensor.getAverage()))
       {