#!/bin/bash

# omarchy:hidden=true
# omarchy:summary=Save a configured dictation backend after stopping the previous backend
# omarchy:args=<backend>

set -e

if (($# != 1)) || [[ ! $1 =~ ^[a-z0-9][a-z0-9-]*$ ]]; then
  echo "Usage: omarchy-dictation-use <backend>" >&2
  exit 1
fi

config="${XDG_CONFIG_HOME:-$HOME/.config}/omarchy/defaults/dictation"
mkdir -p "${config%/*}"
exec 9> "$config.lock"
if ! flock -w 5 9; then
  echo "Dictation is busy; try again." >&2
  exit 1
fi

previous=$(omarchy-default-dictation 2>/dev/null) || previous=""
if [[ -n $previous && $previous != "$1" ]] && omarchy-cmd-present "omarchy-dictation-$previous"; then
  if ! "omarchy-dictation-$previous" stop 9>&-; then
    echo "Could not stop $previous; keeping the existing dictation backend." >&2
    exit 1
  fi
fi

temporary=$(mktemp "$config.XXXXXX")
trap 'rm -f "$temporary"' EXIT
printf '%s\n' "$1" > "$temporary"
mv -f "$temporary" "$config"