##########################################################################################
##########################################################################################
# CENTRAL STAIRS - TOP LIGHTSWITCH
# V3.7 2025-09-24 upload to this device
# V3.5 2025-07-24 YAML tidyups
##########################################################################################
# Zemismart KS-811 Double push button
# pinout/schematic https://community.home-assistant.io/t/zemismart-ks-811-working-with-esphome/
#
# NOTES
# - Light switch at top of the stairs
#
##########################################################################################
##########################################################################################

##########################################################################################
# SPECIFIC DEVICE VARIABLE SUBSTITUTIONS
# If NOT using a secrets file, just replace these with the passwords etc (in quotes)
##########################################################################################
substitutions:
  # Device Custom Naming
  device_name: "esp-centralstairs-top"
  friendly_name: "Central Stair Lightswitch - Top (2)"
  description_comment: "Central Stair Lightswitch - Top, using Zemismart KS-811 Double Push Button. Main Stair Lights (1), Stair Footer Lights (2)"
  device_area: "Lounge" # Allows ESP device to be automatically linked to an 'Area' in Home Assistant.
  static_ip_address: !secret esp-centralstairs-top_ip
  mqtt_device_name_1: "stair-mainlights"
  mqtt_device_name_2: "stair-footerlights"

  # I/O Naming
  switch_1_name: "Main Stair Lights" # virtual only, nothing connected to this output
  switch_2_name: "Stair Footer Lights" # Footer lights connected to this relay
  #relay_1_name: "Garage Lights"
  #button_1_name: "Power Button"
  #relay_icon: "mdi:lightbulb-group"

  # Project Naming
  project_name: "Zemismart Technologies.KS-811 Double" # Project Details 
  project_version: "v2.0"  # Project V denotes release of yaml file, allowing checking of deployed vs latest version

  # MQTT Controls
  mqtt_command_main_topic: !secret mqtt_command_main_topic
  mqtt_status_main_topic: !secret mqtt_status_main_topic
  mqtt_command_topic_1: "${mqtt_command_main_topic}/${mqtt_device_name_1}" 
  mqtt_status_topic_1: "${mqtt_status_main_topic}/${mqtt_device_name_1}"
  mqtt_command_topic_2: "${mqtt_command_main_topic}/${mqtt_device_name_2}" 
  mqtt_status_topic_2: "${mqtt_status_main_topic}/${mqtt_device_name_2}"
  mqtt_command_ON: "ON"
  mqtt_command_OFF: "OFF"

  # Passwords & Secrets (unfortunately you can't use substitutions inside secrets names)
  api_key: !secret esp-api_key 
  ota_pass: !secret esp-ota_pass

  # General Settings
  log_level: "ERROR" # Define logging level: NONE, ERROR, WARN, INFO, DEBUG (Default), VERBOSE, VERY_VERBOSE
  update_interval: "60s" # update time for for general sensors etc

#########################################################################################
# PACKAGES: Included Common Packages
# https://esphome.io/components/packages.html
##########################################################################################
# Comment some of these out where not needed, eg MQTT, Web portal, SNTP, General Sensors
##########################################################################################
packages:
  #### WIFI, Network (Static/DHCP/IPV6 etc), Fallback AP, Safemode ####
  common_wifi: !include
    file: common/network_common.yaml
    vars:
      local_device_name: "${device_name}"
      local_static_ip_address: "${static_ip_address}"
      local_ota_pass: "${ota_pass}"

  #### HOME ASSISTANT API (choose encryption or no encryption options) ####
  common_api: !include
    file: common/api_common.yaml
    #file: common/api_common_noencryption.yaml
    vars:
      local_api_key: "${api_key}"

  #### MQTT ####
  common_mqtt: !include
    file: common/mqtt_common.yaml
    vars:
      local_device_name: "${device_name}"
  
  #### WEB PORTAL ####
  #common_webportal: !include common/webportal_common.yaml
  
  #### SNTP (Only use if you want/need accurate timeclocks) ####
  common_sntp:      !include common/sntp_common.yaml

  #### DIAGNOSTICS Sensors ####
  diag_basic:       !include common/include_basic_diag_sensors.yaml
  diag_more:        !include common/include_more_diag_sensors.yaml
  #diag_debug:       !include common/include_debug_diag_sensors.yaml
  #diag_resetcount:  !include common/include_resetcount_diag_sensors.yaml

#########################################################################################
# ESPHome
# https://esphome.io/components/esphome.html
#########################################################################################
esphome:
  name: "${device_name}"
  friendly_name: "${friendly_name}"
  comment: "${description_comment}" # Appears on the esphome page in HA
  area: "${device_area}"
  project:
    name: "${project_name}"
    version: "${project_version}"
  #on_boot:       
  #  priority: 200
  #  then:
  #    - switch.turn_on: Relay_2

#########################################################################################
# ESP Platform and Framework
# https://esphome.io/components/esp32.html
#########################################################################################
esp8266:
  board: esp01_1m
  early_pin_init: False # Initialise pins early to known values. Recommended false where switches are involved. Defaults to True.
  board_flash_mode: dout # Default is dout

#########################################################################################    
# ESPHome Logging Enable
# https://esphome.io/components/logger.html
############################################# 
logger:
  level: "${log_level}"  #INFO Level suggested, or DEBUG for testing
  #baud_rate: 0 #set to 0 for no logging via UART, needed if you are using it for other serial things (eg PZEM)
  #esp8266_store_log_strings_in_flash: false
  #tx_buffer_size: 64

##########################################################################################
# MQTT COMMANDS
# This adds device-specific MQTT command triggers to the common MQTT configuration.
##########################################################################################
mqtt:
  on_connect:
    then:
      - if:
          # Status of relay 1, which has an actual light connected
          condition:
            lambda: 'return id(Relay_2).state;'
          then:
            - mqtt.publish:
                topic: "${mqtt_status_topic_2}"
                payload: "${mqtt_command_ON}"
                qos: 0
                retain: false
          else:
            - mqtt.publish:
                topic: "${mqtt_status_topic_2}"
                payload: "${mqtt_command_OFF}"
                qos: 0
                retain: false

  on_message:
    # Relay 1: only turn ON if currently OFF
    - topic: "${mqtt_command_topic_1}"
      payload: "${mqtt_command_ON}"
      then:
        - if:
            condition:
              not:
                - switch.is_on: Relay_1
            then:
              - switch.turn_on: Relay_1

    # Relay 1: only turn OFF if currently ON
    - topic: "${mqtt_command_topic_1}"
      payload: "${mqtt_command_OFF}"
      then:
        - if:
            condition:
              - switch.is_on: Relay_1
            then:
              - switch.turn_off: Relay_1

    # Relay 2: only turn ON if currently OFF
    - topic: "${mqtt_command_topic_2}"
      payload: "${mqtt_command_ON}"
      then:
        - if:
            condition:
              not:
                - switch.is_on: Relay_2
            then:
              - switch.turn_on: Relay_2

    # Relay 2: only turn OFF if currently ON
    - topic: "${mqtt_command_topic_2}"
      payload: "${mqtt_command_OFF}"
      then:
        - if:
            condition:
              - switch.is_on: Relay_2
            then:
              - switch.turn_off: Relay_2

#########################################################################################
# STATUS LED
# https://esphome.io/components/status_led.html
#########################################################################################
status_led:
  pin:
    number: GPIO2
    inverted: yes

#########################################################################################
# BINARY SENSORS
# https://esphome.io/components/binary_sensor/
#########################################################################################
binary_sensor:
  - platform: gpio
    pin:
      number: GPIO16
      mode: INPUT
      inverted: True
    filters:
      - delayed_on: 30ms
      - delayed_off: 30ms
    name: "Button 1: ${switch_1_name}"
    on_press:
      # Toggle the remote Main Stair Lights (lower) via COMMAND topic, based on our mirrored state
      - if:
          condition:
            lambda: 'return id(Relay_1).state;'
          then:
            - mqtt.publish:
                topic: "${mqtt_command_topic_1}"
                payload: "${mqtt_command_OFF}"
                retain: false
          else:
            - mqtt.publish:
                topic: "${mqtt_command_topic_1}"
                payload: "${mqtt_command_ON}"
                retain: false

  - platform: gpio
    pin:
      number: GPIO05
      mode: INPUT
      inverted: True
    filters:
      - delayed_on: 30ms
      - delayed_off: 30ms
    name: "Button 2: ${switch_2_name}"
    on_press:
      - switch.toggle: Relay_2

#########################################################################################
# SWITCH COMPONENT
# https://esphome.io/components/switch/
#########################################################################################
switch:
  - platform: gpio
    name: "Relay 1: ${switch_1_name}"
    pin: GPIO13
    id: Relay_1
    # No mqtt.publish here (this is a mirror only)

  - platform: gpio
    name: "Relay 2: ${switch_2_name}"
    pin: GPIO12
    id: Relay_2
    on_turn_on:
      - mqtt.publish:
          topic: "${mqtt_status_topic_2}"
          payload: "${mqtt_command_ON}"
          retain: false
    on_turn_off:
      - mqtt.publish:
          topic: "${mqtt_status_topic_2}"
          payload: "${mqtt_command_OFF}"
          retain: false