#!/usr/bin/env sh
set -eu
BASE_URL='https://station.dmstech.tech'
AGENT_VERSION='2026-07-22-v5-macos-openinterpreter'
echo 'RAC Station - installation/reparation Agent V5 Linux/macOS + Open Interpreter'
echo 'Cet agent donne un acces distant admin a cette machine. Continuez seulement avec autorisation.'
OS=$(uname -s 2>/dev/null || echo unknown)
DIR=/opt/rac-station-agent
CONFIG=$DIR/config.json
STATE=$DIR/state.json
mkdir -p "$DIR"
TOKEN=''
if [ -f "$STATE" ]; then
  echo 'Etat agent existant detecte: reparation/mise a jour sans nouveau token.'
else
  if [ -n "${RAC_ENROLLMENT_TOKEN:-}" ]; then
    TOKEN=$RAC_ENROLLMENT_TOKEN
    echo 'Token d enrollement recu via RAC_ENROLLMENT_TOKEN.'
  elif [ -r /dev/tty ]; then
    printf 'Collez le token d enrollement: ' > /dev/tty
    IFS= read -r TOKEN < /dev/tty
  else
    echo 'Erreur: impossible de lire le token depuis le terminal.' >&2
    echo 'Relance avec: curl -fsSL https://station.dmstech.tech/install | sudo RAC_ENROLLMENT_TOKEN=TON_TOKEN bash' >&2
    exit 1
  fi
  [ -n "$TOKEN" ] || { echo 'Token manquant' >&2; exit 1; }
fi
TMP_AGENT="$DIR/agent.sh.tmp.$$"
echo "Telechargement agent depuis $BASE_URL/agent.sh ..."
if command -v curl >/dev/null 2>&1; then
  curl -fL --connect-timeout 20 --max-time 180 "$BASE_URL/agent.sh" -o "$TMP_AGENT"
elif command -v wget >/dev/null 2>&1; then
  wget -O "$TMP_AGENT" "$BASE_URL/agent.sh"
else
  echo 'Erreur: curl ou wget requis.' >&2
  exit 1
fi
if [ ! -s "$TMP_AGENT" ]; then
  echo "Erreur: agent.sh vide ou non telecharge: $TMP_AGENT" >&2
  exit 1
fi
if ! head -n 1 "$TMP_AGENT" | grep -q '^#!'; then
  echo 'Erreur: reponse invalide pour agent.sh. Debut du fichier:' >&2
  head -20 "$TMP_AGENT" >&2 || true
  exit 1
fi
mv -f "$TMP_AGENT" "$DIR/agent.sh"
chmod 700 "$DIR/agent.sh"
echo 'Preparation Open Interpreter sur cette machine...'
OI_LOG=$DIR/open-interpreter-install.log
{
  if command -v python3 >/dev/null 2>&1; then
    OI_VENV=$DIR/oi-venv
    python3 -m venv "$OI_VENV" || { python3 -m ensurepip --upgrade || true; python3 -m venv "$OI_VENV"; }
    "$OI_VENV/bin/python" -m pip install --upgrade pip wheel 'setuptools<81'
    "$OI_VENV/bin/python" -m pip install --upgrade open-interpreter
    "$OI_VENV/bin/python" -m pip install --force-reinstall 'setuptools<81'
    "$OI_VENV/bin/interpreter" --version
  else
    echo 'Python3 absent: Open Interpreter non installe automatiquement.'
    if [ "$OS" = 'Darwin' ]; then echo 'Astuce macOS: installer Python depuis https://www.python.org/downloads/macos/ ou brew install python.'; fi
  fi
} >"$OI_LOG" 2>&1 || true
echo "Open Interpreter: installation best-effort terminee. Log: $OI_LOG"
NOW=$(python3 - <<'PY' 2>/dev/null || date
from datetime import datetime, timezone
print(datetime.now(timezone.utc).isoformat())
PY
)
if [ ! -f "$CONFIG" ]; then
  python3 - "$CONFIG" "$BASE_URL" "$TOKEN" "$AGENT_VERSION" "$NOW" <<'PY'
import json,sys
p,base,token,ver,now=sys.argv[1:6]
json.dump({'baseUrl':base,'enrollmentToken':token,'agentVersion':ver,'installedAt':now},open(p,'w'),separators=(',',':'))
PY
else
  python3 - "$CONFIG" "$BASE_URL" "$AGENT_VERSION" "$NOW" <<'PY'
import json,sys
p,base,ver,now=sys.argv[1:5]
try: d=json.load(open(p))
except Exception: d={}
d['baseUrl']=base; d['agentVersion']=ver; d['updatedAt']=now
json.dump(d,open(p,'w'),separators=(',',':'))
PY
fi
chmod 600 "$CONFIG"
[ -n "$TOKEN" ] && rm -f "$STATE"
if [ "$OS" = 'Darwin' ]; then
  PLIST=/Library/LaunchDaemons/com.dmstech.rac-station-agent.plist
  cat > "$PLIST" <<'PLIST'
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0"><dict>
  <key>Label</key><string>com.dmstech.rac-station-agent</string>
  <key>ProgramArguments</key><array><string>/bin/sh</string><string>/opt/rac-station-agent/agent.sh</string></array>
  <key>RunAtLoad</key><true/>
  <key>KeepAlive</key><true/>
  <key>StandardOutPath</key><string>/opt/rac-station-agent/launchd.out.log</string>
  <key>StandardErrorPath</key><string>/opt/rac-station-agent/launchd.err.log</string>
  <key>WorkingDirectory</key><string>/opt/rac-station-agent</string>
</dict></plist>
PLIST
  chown root:wheel "$PLIST" 2>/dev/null || true
  chmod 644 "$PLIST"
  launchctl bootout system "$PLIST" >/dev/null 2>&1 || true
  launchctl bootstrap system "$PLIST"
  launchctl kickstart -k system/com.dmstech.rac-station-agent >/dev/null 2>&1 || true
  echo "Agent V5 installe/repare et demarre: launchd com.dmstech.rac-station-agent ($AGENT_VERSION)"
  echo "Log local: $DIR/agent.log"
  echo "Diagnostic: sudo launchctl print system/com.dmstech.rac-station-agent"
elif command -v systemctl >/dev/null 2>&1; then
  cat >/etc/systemd/system/rac-station-agent.service <<'UNIT'
[Unit]
Description=RAC Station Agent V5
After=network-online.target
Wants=network-online.target

[Service]
Type=simple
ExecStart=/bin/sh /opt/rac-station-agent/agent.sh
Restart=always
RestartSec=10
User=root
KillSignal=SIGTERM
TimeoutStopSec=20

[Install]
WantedBy=multi-user.target
UNIT
  systemctl daemon-reload
  systemctl enable --now rac-station-agent.service
  systemctl restart rac-station-agent.service
  echo "Agent V5 installe/repare et demarre: rac-station-agent.service ($AGENT_VERSION)"
  echo "Log local: $DIR/agent.log"
else
  echo 'Systeme sans launchd/systemd: lance agent en arriere-plan simple.'
  nohup /bin/sh "$DIR/agent.sh" >> "$DIR/nohup.log" 2>&1 &
fi