Merge pull request #573 from swingerman/swingerman/issue567

fix: Handle decimal values < 1.0 in full_value attribute (fixes #567)

Author: swingerman

.github/copilot-instructions.md

@@ -109,9 +109,14 @@ interface Severity {
 
 ### Local Testing Environment
 
-- Home Assistant runs in dev container on port 9123
+- Home Assistant runs in dev container on port 8123
 - Card served from Rollup dev server on port 5000
 - Test entities defined in `config/configuration.yaml` (input_number, input_boolean)
+- start home assistant:
+
+```bash
+./scripts/develop
+```
 
 ### Common Issues
 

config/configuration.yaml

@@ -13,6 +13,15 @@ input_number:
     max: 100
     step: .5
     icon: hass:battery
+  
+  energy_consumption:
+    name: Today's Energy Consumption
+    initial: 0.95
+    min: 0
+    max: 2.0
+    step: 0.01
+    unit_of_measurement: "kWh"
+    icon: mdi:lightning-bolt
 
 input_boolean:
   battery_charging:

config/ui-lovelace.yaml

@@ -2,9 +2,25 @@ views:
   - cards:
       - type: custom:fluid-level-background-card
         name: Fluid Level Background Card
-        entity: input_number.battery_evel
+        entity: input_number.battery_level
         test_gui: true
+      
+      # Test case for issue #567 - decimal values less than 1.0
+      - type: custom:fluid-level-background-card
+        card:
+          type: tile
+          entity: input_number.energy_consumption
+          features_position: bottom
+          vertical: true
+          hide_state: false
+          show_entity_picture: false
+          icon: mdi:lightning-bolt
+          name: Today's Energy Consumption
+        full_value: 1.8
+        entity: input_number.energy_consumption
+        
       - type: entities
         entities:
           - input_number.battery_level
-          - input_number.battery_charging
+          - input_boolean.battery_charging
+          - input_number.energy_consumption

src/fluid-level-background-card.ts

@@ -417,11 +417,11 @@ export class FluidLevelBackgroundCard extends LitElement {
       safeEntityValue = entityValue;
     }
     if (typeof entityValue === 'string') {
-      safeEntityValue = isNaN(parseInt(entityValue, 10)) ? 0 : parseInt(entityValue, 10);
+      safeEntityValue = isNaN(parseFloat(entityValue)) ? 0 : parseFloat(entityValue);
     }
 
-    if (safeEntityValue > 0) {
-      // calcualte the percentage bsed on the full value
+    if (safeEntityValue >= 0) {
+      // calculate the percentage based on the full value
       return (safeEntityValue / this._full_value) * 100;
     }
     return 0;