#!/bin/bash
# ─── EnFlow VPS Auto-Deploy Setup ───────────────────────────────────────────
# Run this ONCE on your VPS as root or with sudo
# This configures Gitea hook + Docker deploy automation

set -e

APP_DIR="/opt/cirux"
GITEA_USER="ubuntu"
GITEA_REPO="/home/ubuntu/gitea/gitea/git/repositories/silvioalzate/cirux.git"
HOOK_DIR="$GITEA_REPO/hooks"
LOG_FILE="/var/log/cirux-deploy.log"
BRANCH="main"

echo "🚀 EnFlow Auto-Deploy Setup"
echo "   App Dir:    $APP_DIR"
echo "   Gitea User: $GITEA_USER"
echo "   Hook Dir:   $HOOK_DIR"
echo ""

# ─── 1. Verify Gitea user ─────────────────────────────────────────────────
echo "📋 Verifying Gitea user..."
if ! id "$GITEA_USER" &>/dev/null; then
    echo "❌ User $GITEA_USER does not exist!"
    echo "   Check: ps aux | grep gitea"
    exit 1
fi

# ─── 2. Add user to docker group ────────────────────────────────────────────
echo "🔧 Adding $GITEA_USER to docker group..."
if ! groups "$GITEA_USER" | grep -q docker; then
    sudo usermod -aG docker "$GITEA_USER"
    echo "   ✅ Added. IMPORTANT: You MUST run 'newgrp docker' or logout/login for this to take effect."
fi

# ─── 3. Create app directory ─────────────────────────────────────────────────
echo "📁 Setting up app directory..."
if [ ! -d "$APP_DIR" ]; then
    echo "   Cloning repository..."
    sudo -u "$GITEA_USER" git clone "$GITEA_REPO" "$APP_DIR"
else
    echo "   App directory exists. Updating remote..."
    cd "$APP_DIR"
    sudo -u "$GITEA_USER" git remote set-url origin "$GITEA_REPO" || true
    sudo -u "$GITEA_USER" git fetch origin
    sudo -u "$GITEA_USER" git reset --hard "origin/$BRANCH"
fi

# Set ownership
sudo chown -R "$GITEA_USER":"$GITEA_USER" "$APP_DIR"
sudo chmod -R 755 "$APP_DIR"

# ─── 4. Create log file with correct permissions ─────────────────────────────
echo "📝 Creating log file..."
sudo touch "$LOG_FILE"
sudo chown "$GITEA_USER":"$GITEA_USER" "$LOG_FILE"
sudo chmod 644 "$LOG_FILE"

# ─── 5. Install post-receive hook ────────────────────────────────────────────
echo "🔌 Installing Gitea post-receive hook..."
if [ ! -d "$HOOK_DIR" ]; then
    echo "❌ Hook directory not found: $HOOK_DIR"
    exit 1
fi

sudo cp "$APP_DIR/gitea-post-receive-hook.sh" "$HOOK_DIR/post-receive"
sudo chown "$GITEA_USER":"$GITEA_USER" "$HOOK_DIR/post-receive"
sudo chmod +x "$HOOK_DIR/post-receive"

# ─── 6. Make deploy-auto.sh executable ─────────────────────────────────────────
echo "🔧 Setting up deploy script..."
sudo chmod +x "$APP_DIR/deploy-auto.sh"

# ─── 7. Verify Docker access ─────────────────────────────────────────────────
echo "🐳 Verifying Docker access..."
if sudo -u "$GITEA_USER" docker ps > /dev/null 2>&1; then
    echo "   ✅ Docker access OK"
else
    echo "   ⚠️  Docker access failed. Run: newgrp docker (or logout/login)"
fi

# ─── 8. Test deploy ──────────────────────────────────────────────────────────
echo "🧪 Testing deploy..."
cd "$APP_DIR"
sudo -u "$GITEA_USER" bash "$APP_DIR/deploy-auto.sh"

echo ""
echo "─────────────────────────────────────────"
echo "✅ Setup Complete!"
echo ""
echo "   Push to main branch → Auto deploy triggers"
echo "   Logs: tail -f $LOG_FILE"
echo "   App:  http://localhost:3000"
echo ""
echo "   If Docker failed: logout and login again, or run 'newgrp docker'"
echo "─────────────────────────────────────────"