#!/bin/bash
# ============================================================
# deploy.sh – Lokal ausführen, deployt auf 192.168.1.137
# Usage:
#   ./deploy.sh           → nur sync + restart
#   ./deploy.sh --migrate → sync + alembic upgrade + restart
#   ./deploy.sh --setup   → erstes Setup auf dem Server
# ============================================================
set -e

SERVER="root@192.168.1.137"
REMOTE="/opt/timemaster"
LOCAL="$(cd "$(dirname "$0")" && pwd)"

GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

log() { echo -e "${GREEN}==>${NC} $1"; }
warn() { echo -e "${YELLOW}[!]${NC} $1"; }

# ── Erstes Setup ──────────────────────────────────────────────────────────────
if [[ "$1" == "--setup" ]]; then
  log "Erstes Server-Setup wird ausgeführt..."

  ssh "$SERVER" "apt-get update -q && apt-get install -y \
    python3.12 python3.12-venv python3.12-dev \
    postgresql postgresql-contrib \
    redis-server nginx \
    git build-essential libpq-dev curl"

  ssh "$SERVER" "mkdir -p $REMOTE/backend $REMOTE/frontend/dist"

  log "Dateien übertragen..."
  rsync -avz --exclude='__pycache__' --exclude='*.pyc' --exclude='.env' \
    --exclude='venv/' --exclude='.git/' \
    "$LOCAL/" "$SERVER:$REMOTE/"

  ssh "$SERVER" bash << 'REMOTE_SETUP'
    set -e
    cd /opt/timemaster/backend

    # venv
    python3.12 -m venv venv
    source venv/bin/activate
    pip install --upgrade pip -q
    pip install -r requirements.txt -q

    # PostgreSQL
    systemctl enable --now postgresql
    sudo -u postgres psql -tc "SELECT 1 FROM pg_roles WHERE rolname='timemaster'" | grep -q 1 || \
      sudo -u postgres psql -c "CREATE ROLE timemaster LOGIN PASSWORD 'timemaster_secret_CHANGE_ME';"
    sudo -u postgres psql -tc "SELECT 1 FROM pg_database WHERE datname='timemaster_db'" | grep -q 1 || \
      sudo -u postgres psql -c "CREATE DATABASE timemaster_db OWNER timemaster;"

    # Redis
    systemctl enable --now redis-server

    # .env
    if [ ! -f .env ]; then
      cp .env.example .env
      echo ""
      echo "⚠️  WICHTIG: .env auf dem Server anpassen!"
      echo "   ssh root@192.168.1.137 'nano /opt/timemaster/backend/.env'"
    fi

    # systemd service
    cp /opt/timemaster/timemaster.service /etc/systemd/system/
    systemctl daemon-reload

    echo "✓ Setup abgeschlossen"
    echo "Nächster Schritt: .env befüllen, dann: ./deploy.sh --migrate"
REMOTE_SETUP
  exit 0
fi

# ── Normaler Deploy ───────────────────────────────────────────────────────────
log "Sync → $SERVER:$REMOTE/backend"
rsync -avz --progress \
  --exclude='__pycache__' \
  --exclude='*.pyc' \
  --exclude='.env' \
  --exclude='venv/' \
  --exclude='.git/' \
  --exclude='tests/' \
  "$LOCAL/backend/" "$SERVER:$REMOTE/backend/"

# Frontend build + sync (falls vorhanden)
if [ -d "$LOCAL/frontend/dist" ]; then
  log "Frontend sync..."
  rsync -avz "$LOCAL/frontend/dist/" "$SERVER:$REMOTE/frontend/dist/"
fi

# ── Migration (optional) ──────────────────────────────────────────────────────
if [[ "$1" == "--migrate" ]]; then
  log "Alembic upgrade head..."
  ssh "$SERVER" "cd $REMOTE/backend && source venv/bin/activate && alembic upgrade head"
fi

# ── Service neu starten ───────────────────────────────────────────────────────
log "Service restart..."
ssh "$SERVER" "systemctl restart timemaster && sleep 2 && systemctl is-active timemaster"

log "Logs (letzte 20 Zeilen):"
ssh "$SERVER" "journalctl -u timemaster -n 20 --no-pager"

log "✓ Deploy abgeschlossen → http://192.168.1.137:8000/health"