substitutions:
  name: "old-phone-doorbell"
  friendly_name: "Old Phone (Doorbell)"

esphome:
  name: "${name}"

esp8266:
  board: nodemcuv2
  framework: 
    version: dev

# Enable Home Assistant API
api:
  encryption:
    key: !secret oldphonedoorbell_api

ota:
  - platform: esphome
    password: !secret oldphonedoorbell_ota

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Old-Phone-Doorbell"
    password: !secret oldphonedoorbell_fallback

captive_portal:


output:
  - platform: gpio
    pin: GPIO4    # H-Bridge A (D2)
    id: h_bridge_a
    inverted: false
  - platform: gpio
    pin: GPIO5    # H-Bridge B (D1)
    id: h_bridge_b
    inverted: false
  - platform: gpio
    pin: GPIO14   # Enable (D5)
    id: h_bridge_enable
    inverted: false

globals:
  - id: is_ringing_active
    type: bool
    restore_value: no
    initial_value: 'false'
  - id: current_ac_phase
    type: bool
    restore_value: no
    initial_value: 'false'

# Timer for 20Hz AC (50ms period - alternates every 25ms)

interval:
  - interval: 19ms
    then:
      - if:
          condition:
            and:
              - lambda: 'return id(is_ringing_active);'
          then:
            - if:
                condition:
                  lambda: 'return id(current_ac_phase);'
                then:
                  - output.turn_on: h_bridge_a
                  - output.turn_off: h_bridge_b
                else:
                  - output.turn_off: h_bridge_a
                  - output.turn_on: h_bridge_b
            - globals.set:
                id: current_ac_phase
                value: !lambda 'return !id(current_ac_phase);'
          else:
            - output.turn_off: h_bridge_a
            - output.turn_off: h_bridge_b

button:
  - platform: template
    name: "${friendly_name}"
    icon: "mdi:phone-classic"
    on_press:
      - script.execute: british_ring_script

number:
  - platform: template
    name: "Nuber of times ringing"
    optimistic: true
    id: RingCount
    unit_of_measurement: "times"
    initial_value: 3
    restore_value: true
    min_value: 1
    max_value: 10
    step: 1
    mode: box

script:
  - id: british_ring_script
    then:
      # Initialize
      - output.turn_off: h_bridge_a
      - output.turn_off: h_bridge_b
      - globals.set:
          id: current_ac_phase
          value: 'false'
      # Enable H-bridge
      - output.turn_on: h_bridge_enable
      - delay: 10ms  # Ensure enable stabilization
      
      # Ring pattern (3 cycles)
      - repeat:
          count: !lambda 'return int(id(RingCount).state);'
          then:
            # First ring segment (400ms)
            - globals.set:
                id: is_ringing_active
                value: 'true'
            - delay: 400ms
            
            # First pause (200ms)
            - globals.set:
                id: is_ringing_active
                value: 'false'
            - delay: 200ms
            
            # Second ring segment (400ms)
            - globals.set:
                id: is_ringing_active
                value: 'true'
            - delay: 400ms
            
            # Long pause (2000ms)
            - globals.set:
                id: is_ringing_active
                value: 'false'
            - delay: 2000ms
      
      # Final cleanup
      - delay: 10ms
      - output.turn_off: h_bridge_enable

logger:
  level: DEBUG