#!/usr/bin/env bash
# Open a command in the user's available terminal emulator, with logging.
# Usage: backtunnel-open-term <cmd> [args...]
set -euo pipefail

LOG_DIR="${XDG_STATE_HOME:-$HOME/.local/state}/backtunnel"
[[ -d "$LOG_DIR" ]] || mkdir -p "$LOG_DIR"
LOG_FILE="${LOG_DIR}/servicemenu.$(date +%Y%m%d-%H%M%S).log"

# Simple rotation: keep the last 10 files
ls -1t "$LOG_DIR"/servicemenu.*.log 2>/dev/null | awk 'NR>10{print}' | xargs -r rm -f

cmd=( "$@" )
{
  echo "=== BackTunnel servicemenu ==="
  echo "Time: $(date -Is)"
  echo "PWD:  $(pwd)"
  echo "User: $(id -un) (uid=$(id -u))"
  echo "Cmd:  ${cmd[*]}"
  echo "Env:  BACKTUNNEL_DEBUG=${BACKTUNNEL_DEBUG:-}  SHELL=${SHELL:-}  DISPLAY=${DISPLAY:-}"
  echo

  # Prefer Konsole on KDE sessions; otherwise probe common terminals
  detect_term() {
    if [[ -n "${KDE_FULL_SESSION:-}" ]] && command -v konsole >/dev/null 2>&1; then
      echo "konsole"; return
    fi
    for t in kitty alacritty kgx gnome-terminal tilix xfce4-terminal konsole xterm; do
      if command -v "$t" >/dev/null 2>&1; then echo "$t"; return; fi
    done
    echo ""  # none
  }

  term="$(detect_term)"
  echo "Chosen terminal: ${term:-<none>}"; echo

  # Run command in terminal (use hold/noclose if supported)
  case "$term" in
    konsole)         exec konsole --noclose -e "${cmd[@]}" ;;
    kitty)           exec kitty -e "${cmd[@]}" ;;
    alacritty)       exec alacritty -e "${cmd[@]}" ;;
    gnome-terminal)  exec gnome-terminal -- bash -lc "exec \"${cmd[0]}\" ${cmd[@]:1}" ;;
    kgx)             exec kgx -- bash -lc "exec \"${cmd[0]}\" ${cmd[@]:1}" ;;  # GNOME Console
    tilix)           exec tilix -e "${cmd[@]}" ;;
    xfce4-terminal)  exec xfce4-terminal -e "${cmd[@]}" ;;
    xterm)           exec xterm -hold -e "${cmd[@]}" ;;
    *)
      echo "No terminal emulator found. Running in background (nohup)."
      nohup "${cmd[@]}" >/dev/null 2>&1 &
      echo "Started in background (pid=$!)."
      echo "Log: $LOG_FILE"
      exit 0
      ;;
  esac
} | tee -a "$LOG_FILE"