#!/bin/sh
set -eu

node_name="input_usb_condenser_to_mixer"

json_escape() {
  printf '%s' "$1" | sed 's/\\/\\\\/g; s/"/\\"/g'
}

if ! command -v pw-cli >/dev/null 2>&1; then
  printf '{"text":"USB","tooltip":"pw-cli not found","class":"mic-unavailable"}\n'
  exit 0
fi

if ! pw-cli info "$node_name" >/dev/null 2>&1; then
  printf '{"text":"USB","tooltip":"%s missing","class":"mic-unavailable"}\n' \
    "$(json_escape "$node_name")"
  exit 0
fi

if ! command -v wpctl >/dev/null 2>&1; then
  printf '{"text":"USB","tooltip":"wpctl not found","class":"mic-unavailable"}\n'
  exit 0
fi

node_id=$(
  pw-cli info "$node_name" 2>/dev/null | awk -F' = ' '
    /object.id/ {
      gsub(/"/, "", $2)
      print $2
      exit
    }
  '
)

if [ -z "${node_id:-}" ]; then
  printf '{"text":"USB","tooltip":"%s missing","class":"mic-unavailable"}\n' \
    "$(json_escape "$node_name")"
  exit 0
fi

status=$(wpctl get-volume "$node_id" 2>/dev/null || true)

class="mic-usb-unknown"
tooltip="USB Condenser state unknown"

case "$status" in
  *MUTED*|*muted*)
    class="mic-usb-muted"
    tooltip="USB Condenser muted"
    ;;
  Volume:*)
    class="mic-usb-live"
    tooltip="USB Condenser live"
    ;;
esac

printf '{"text":"USB","tooltip":"%s","class":"%s"}\n' \
  "$(json_escape "$tooltip")" \
  "$(json_escape "$class")"