#!/bin/bash
# ─── EnFlow Auto-Deploy Script ───────────────────────────────────────────────
# Called by Gitea post-receive hook or manually
# Usage: /opt/cirux/deploy-auto.sh

set -e

APP_DIR="/home/ubuntu/cirux"
LOG_FILE="/var/log/cirux-deploy.log"
BRANCH="main"

echo "─────────────────────────────────────────" >> "$LOG_FILE"
echo "$(date '+%Y-%m-%d %H:%M:%S') - Starting deploy" >> "$LOG_FILE"

cd "$APP_DIR"

# Pull latest code
echo "Pulling latest code..." >> "$LOG_FILE"
git fetch origin >> "$LOG_FILE" 2>&1
git reset --hard "origin/$BRANCH" >> "$LOG_FILE" 2>&1

# Install deps (if package.json changed)
if git diff --name-only HEAD~1 HEAD | grep -q "package.json\|package-lock.json"; then
    echo "Dependencies changed, running npm ci..." >> "$LOG_FILE"
    npm ci >> "$LOG_FILE" 2>&1
fi

# Rebuild Docker containers
echo "Rebuilding Docker containers..." >> "$LOG_FILE"
docker compose down >> "$LOG_FILE" 2>&1
docker compose build --no-cache >> "$LOG_FILE" 2>&1
docker compose up -d >> "$LOG_FILE" 2>&1

# Cleanup old images
docker image prune -f >> "$LOG_FILE" 2>&1

# Health check
echo "Running health check..." >> "$LOG_FILE"
sleep 10

RETRIES=5
while [ $RETRIES -gt 0 ]; do
    if curl -sf http://localhost:3000/api/health > /dev/null 2>&1; then
        echo "$(date '+%Y-%m-%d %H:%M:%S') - Deploy successful ✅" >> "$LOG_FILE"
        exit 0
    fi
    sleep 3
    RETRIES=$((RETRIES - 1))
done

echo "$(date '+%Y-%m-%d %H:%M:%S') - Health check failed after deploy ⚠️" >> "$LOG_FILE"
exit 1