add script blueprint

README.md

@@ -1,3 +1,7 @@
 # ha-sunrise-alarm
 
 A HomeAssistant blueprint that turns your smart lights into a natural alarm clock.
+
+<a href="https://my.home-assistant.io/redirect/blueprint_import/?blueprint_url=https://git.jaroszew.ski/patrick/ha-sunrise-alarm/src/branch/main/sunrise-alarm.yaml">
+  <img src="https://my.home-assistant.io/badges/blueprint_import.svg" alt="Open your Home Assistant instance and show the blueprint import dialog">
+</a>

sunrise-alarm.yaml

@@ -0,0 +1,140 @@
+blueprint:
+    name: "Simulated Sunrise Alarm"
+    description: "Smoothly increase light brightness with configurable steps"
+    domain: script
+
+    input:
+        target_lights:
+            name: Target Light(s)
+            description: Light(s) to control
+            selector:
+                target:
+                    entity:
+                        domain: light
+        reversed:
+            name: "Simulate sunset instead of sunrise"
+            description: If true, reverses the direction (simulates sunset instead of sunrise)
+            selector:
+                boolean:
+            default: false
+
+        steps:
+            name: Number of Steps
+            description: How many brightness steps in the curve
+            default: 20
+            selector:
+                number:
+                    min: 5
+                    max: 100
+                    step: 1
+
+        total_duration:
+            name: Total Duration
+            description: Total time to complete the brightness ramp
+            default: 30
+            selector:
+                number:
+                    min: 1
+                    max: 120
+                    unit_of_measurement: minutes
+
+        start_brightness:
+            name: Starting Brightness
+            description: Initial brightness percentage (0-100)
+            default: 1
+            selector:
+                number:
+                    min: 0
+                    max: 100
+                    step: 1
+
+        end_brightness:
+            name: Ending Brightness
+            description: Final brightness percentage (0-100)
+            default: 100
+            selector:
+                number:
+                    min: 1
+                    max: 100
+                    step: 1
+
+        start_temp:
+            name: Starting Color Temperature
+            description: Final color temperature in Kelvin
+            default: 2000
+            selector:
+                color_temp:
+                    min: 2000
+                    unit: kelvin
+
+        end_temp:
+            name: Ending Color Temperature
+            description: Final color temperature in Kelvin
+            default: 5500
+            selector:
+                color_temp:
+                    unit: kelvin
+
+        curve_type:
+            name: Curve Type
+            default: "parabolic"
+            description: “linear”, "parabolic" (quadratic), or “sigmoid” (an S-curve/logistic curve)
+            selector:
+                select:
+                    options:
+                        - "linear"
+                        - "sigmoidal"
+                        - "parabolic"
+
+variables:
+    lights: !input target_lights
+    start_temp: !input start_temp
+    end_temp: !input end_temp
+    curve_type: !input curve_type
+    total_duration: !input total_duration
+    num_steps: !input steps
+    step_delay: "{{ (total_duration * 60 / num_steps) | round(0) }}"
+    start_bright: !input start_brightness
+    end_bright: !input end_brightness
+    reversed: !input reversed
+
+# Loop through each step of the curve
+sequence:
+    - repeat:
+          count: "{{ num_steps }}"
+          sequence:
+              - variables:
+                    # Calculate current step (0 to 1 range)
+                    x: "{{ (repeat.index - 1) / (num_steps - 1) }}"
+
+              # Reflects the curve in the y-axis if reversed is true
+              - choose:
+                    - conditions:
+                          - condition: template
+                            value_template: "{{ reversed }}"
+                      sequence:
+                          - variables:
+                                x: "{{ 1 - x }}"
+
+              - variables:
+                    curve_func: >
+                        {%- if curve_type == 'linear' -%}
+                        {{ x }}
+                        {%- elif curve_type == 'sigmoidal' -%}
+                        {{ 1 / (1 + (2.71828 ** (-12 * (x - 0.5)))) }}
+                        {%- elif curve_type == 'parabolic' -%}
+                        {{ x ** 2 }}
+                        {%- endif -%}
+
+                    # Map result to brightness range and color temperature range respectively
+                    current_brightness: "{{ (start_bright + (end_bright - start_bright) * curve_func | float) | round(0) }}"
+                    current_color_temp: "{{ (start_temp + (end_temp - start_temp) * curve_func | float) | round(0) }}"
+
+              - service: light.turn_on
+                target: !input target_lights
+                data:
+                    brightness_pct: "{{ current_brightness }}"
+                    kelvin: "{{ current_color_temp }}"
+                    transition: "{{ step_delay }}"
+
+              - delay: "{{ step_delay }}"