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

# StageAI Deployment Script
# Pulls latest code from Gitea and redeploys via Docker Compose
#
# Usage (on VPS):
#   ./deploy.sh              # Pull & redeploy
#   ./deploy.sh --build-only # Pull & rebuild without restarting

APP_DIR="/home/remmer/StageAI"
PROJECT_NAME="stageai"
REPO_URL="https://mgit.msbls.de/Remmer/StageAI.git"
BRANCH="master"

BUILD_ONLY=false
if [[ "${1:-}" == "--build-only" ]]; then
  BUILD_ONLY=true
fi

echo "=== StageAI Deployment ==="
echo "Directory: $APP_DIR"
echo "Branch:    $BRANCH"
echo ""

# Navigate to app directory
if [[ ! -d "$APP_DIR" ]]; then
  echo "App directory not found. Cloning repo..."
  git clone "$REPO_URL" "$APP_DIR"
fi

cd "$APP_DIR"

# Pull latest changes
echo "Pulling latest changes..."
git fetch origin "$BRANCH"
git reset --hard "origin/$BRANCH"
echo "Updated to: $(git log --oneline -1)"

# Rebuild containers
export COMMIT_HASH=$(git rev-parse --short HEAD)
echo ""
echo "Rebuilding containers (commit: $COMMIT_HASH)..."
docker compose -p "$PROJECT_NAME" build --no-cache app

if [[ "$BUILD_ONLY" == true ]]; then
  echo ""
  echo "Build complete (--build-only mode, skipping restart)."
  exit 0
fi

# Restart app container (keep postgres and meilisearch running)
echo ""
echo "Restarting app container..."
docker compose -p "$PROJECT_NAME" up -d app

echo ""
echo "Waiting for app to start..."
sleep 5

# Health check
if curl -sf http://localhost:3002 > /dev/null 2>&1; then
  echo "App is running at http://localhost:3002"
else
  echo "Warning: App may not be ready yet. Check logs with:"
  echo "  docker compose -p $PROJECT_NAME logs -f app"
fi

echo ""
echo "=== Deployment complete ==="
echo ""
echo "Useful commands:"
echo "  docker compose -p $PROJECT_NAME logs -f app     # View app logs"
echo "  docker compose -p $PROJECT_NAME ps              # Container status"
echo "  docker compose -p $PROJECT_NAME restart app     # Restart app only"