#!/usr/bin/env bash
set -euo pipefail

SCRIPT_DIR="$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)"
SKILL_DIR="$(cd -- "$SCRIPT_DIR/.." && pwd)"
HOME_DIR="${HOME:?HOME is required}"
WORKSPACE_DEFAULT="$HOME_DIR/.openclaw/workspace"
WORKSPACE="${WATCHDOG_B_WORKSPACE:-$WORKSPACE_DEFAULT}"
SYSTEMD_USER_DIR="${WATCHDOG_B_SYSTEMD_USER_DIR:-$HOME_DIR/.config/systemd/user}"
CONFIG_DIR="${WATCHDOG_B_CONFIG_DIR:-$HOME_DIR/.config/openclaw}"
LIVE_SCRIPT_DIR="${WATCHDOG_B_LIVE_SCRIPT_DIR:-$WORKSPACE/scripts/watchdog-b}"
INSTALL_ENV_EXAMPLE=0
FORCE=0

usage() {
  cat <<EOF
Usage: $(basename "$0") [options]

Install bundled watchdog-discord-route assets into live paths.

Options:
  --workspace PATH         Target workspace (default: $WORKSPACE_DEFAULT)
  --systemd-user-dir PATH  Target systemd --user unit dir (default: ~/.config/systemd/user)
  --config-dir PATH        Target config dir (default: ~/.config/openclaw)
  --live-script-dir PATH   Target live watchdog script dir (default: <workspace>/scripts/watchdog-b)
  --install-env-example    Also install watchdog-b.env.example to <config-dir>/watchdog-b.env.example
  --force                  Overwrite existing files in live paths
  -h, --help               Show this help
EOF
}

while [[ $# -gt 0 ]]; do
  case "$1" in
    --workspace)
      WORKSPACE="$2"; shift 2 ;;
    --systemd-user-dir)
      SYSTEMD_USER_DIR="$2"; shift 2 ;;
    --config-dir)
      CONFIG_DIR="$2"; shift 2 ;;
    --live-script-dir)
      LIVE_SCRIPT_DIR="$2"; shift 2 ;;
    --install-env-example)
      INSTALL_ENV_EXAMPLE=1; shift ;;
    --force)
      FORCE=1; shift ;;
    -h|--help)
      usage; exit 0 ;;
    *)
      echo "unknown argument: $1" >&2
      usage >&2
      exit 2 ;;
  esac
done

mkdir -p "$LIVE_SCRIPT_DIR" "$SYSTEMD_USER_DIR" "$CONFIG_DIR"

copy_file() {
  local src="$1"
  local dest="$2"
  if [[ -e "$dest" && "$FORCE" != "1" ]]; then
    echo "skip existing: $dest"
    return 0
  fi
  install -m 0644 "$src" "$dest"
  echo "installed: $dest"
}

copy_exec() {
  local src="$1"
  local dest="$2"
  if [[ -e "$dest" && "$FORCE" != "1" ]]; then
    echo "skip existing: $dest"
    return 0
  fi
  install -m 0755 "$src" "$dest"
  echo "installed: $dest"
}

render_service() {
  local src="$SCRIPT_DIR/openclaw-watchdog-b.service"
  local dest="$SYSTEMD_USER_DIR/openclaw-watchdog-b.service"
  if [[ -e "$dest" && "$FORCE" != "1" ]]; then
    echo "skip existing: $dest"
    return 0
  fi
  sed \
    -e "s#%h/.openclaw/workspace#${WORKSPACE//\#/\\#}#g" \
    -e "s#%h/.config/openclaw#${CONFIG_DIR//\#/\\#}#g" \
    -e "s#%h/.openclaw/workspace/scripts/watchdog-b#${LIVE_SCRIPT_DIR//\#/\\#}#g" \
    "$src" > "$dest"
  chmod 0644 "$dest"
  echo "installed: $dest"
}

copy_exec "$SCRIPT_DIR/check_openclaw_state.sh" "$LIVE_SCRIPT_DIR/check_openclaw_state.sh"
copy_exec "$SCRIPT_DIR/run_watchdog_b.sh" "$LIVE_SCRIPT_DIR/run_watchdog_b.sh"
copy_exec "$SCRIPT_DIR/verify_watchdog_b_e2e.sh" "$LIVE_SCRIPT_DIR/verify_watchdog_b_e2e.sh"
copy_exec "$SCRIPT_DIR/notify_watchdog_b.py" "$LIVE_SCRIPT_DIR/notify_watchdog_b.py"
copy_exec "$SCRIPT_DIR/openclaw_runtime_probe.py" "$LIVE_SCRIPT_DIR/openclaw_runtime_probe.py"
copy_file "$SCRIPT_DIR/owner_report_consumer.py" "$LIVE_SCRIPT_DIR/owner_report_consumer.py"
copy_file "$SCRIPT_DIR/owner_report_driver.py" "$LIVE_SCRIPT_DIR/owner_report_driver.py"
copy_file "$SCRIPT_DIR/owner_report_producer.py" "$LIVE_SCRIPT_DIR/owner_report_producer.py"
copy_file "$SCRIPT_DIR/openclaw-watchdog-b.timer" "$SYSTEMD_USER_DIR/openclaw-watchdog-b.timer"
render_service

if [[ "$INSTALL_ENV_EXAMPLE" == "1" ]]; then
  copy_file "$SCRIPT_DIR/watchdog-b.env.example" "$CONFIG_DIR/watchdog-b.env.example"
fi

cat <<EOF

Install summary
- skill_dir: $SKILL_DIR
- workspace: $WORKSPACE
- live_script_dir: $LIVE_SCRIPT_DIR
- systemd_user_dir: $SYSTEMD_USER_DIR
- config_dir: $CONFIG_DIR

Operator install order
1. Install bundle files:
   ./scripts/install_watchdog_bundle.sh --install-env-example
2. Create live env if missing:
   mkdir -p "$CONFIG_DIR"
   cp "$CONFIG_DIR/watchdog-b.env.example" "$CONFIG_DIR/watchdog-b.env"
3. Edit live env and set at least:
   WATCHDOG_B_OWNER_REPORT_TARGET=channel:YOUR_DISCORD_CHANNEL_ID
4. Run bootstrap:
   ./scripts/bootstrap_watchdog_bundle.sh
5. Only after bootstrap passes:
   systemctl --user daemon-reload
   systemctl --user enable --now openclaw-watchdog-b.timer

Notes
- If $CONFIG_DIR/watchdog-b.env does not exist, bootstrap will warn/fail until you create it.
- The env example is intentionally installed as watchdog-b.env.example first; copy it to watchdog-b.env after editing.
EOF