#!/bin/bash

# Script om PostgreSQL database volledig te resetten
# Dit simuleert een green field deployment
# Gebruikt docker-compose.dev.yml voor development setup

set -e

COMPOSE_FILE="docker-compose.dev.yml"

echo "🔄 PostgreSQL Database Reset Script"
echo "===================================="
echo ""

# Check if docker-compose file exists
if [ ! -f "$COMPOSE_FILE" ]; then
    echo "⚠️  $COMPOSE_FILE not found, trying docker-compose.yml..."
    COMPOSE_FILE="docker-compose.yml"
fi

# Check if docker-compose is running
if docker-compose -f "$COMPOSE_FILE" ps 2>/dev/null | grep -q "postgres.*Up"; then
    echo "📦 PostgreSQL container is running"
    echo ""
    
    # Stop containers
    echo "⏹️  Stopping containers..."
    docker-compose -f "$COMPOSE_FILE" down
    echo "✅ Containers stopped"
    echo ""
else
    echo "ℹ️  Containers are not running"
    echo ""
fi

# Remove PostgreSQL volume (this deletes all data!)
echo "🗑️  Removing PostgreSQL volume (this deletes ALL data)..."
read -p "Are you sure you want to delete all PostgreSQL data? (yes/no): " confirm

if [ "$confirm" != "yes" ]; then
    echo "❌ Aborted. No data was deleted."
    exit 1
fi

# Try to find volume name
VOLUME_NAME=$(docker volume ls | grep postgres_data | awk '{print $2}' | head -1)
if [ -n "$VOLUME_NAME" ]; then
    docker volume rm "$VOLUME_NAME" 2>/dev/null || echo "⚠️  Volume not found (might already be deleted)"
    echo "✅ Volume removed"
else
    echo "⚠️  No postgres_data volume found"
fi
echo ""

# Start containers again
echo "🚀 Starting containers with fresh database..."
docker-compose -f "$COMPOSE_FILE" up -d postgres

# Wait for PostgreSQL to be ready
echo "⏳ Waiting for PostgreSQL to be ready..."
timeout=30
counter=0
until docker-compose -f "$COMPOSE_FILE" exec -T postgres pg_isready -U cmdb > /dev/null 2>&1; do
    sleep 1
    counter=$((counter + 1))
    if [ $counter -ge $timeout ]; then
        echo "❌ Timeout waiting for PostgreSQL"
        exit 1
    fi
done
echo "✅ PostgreSQL is ready"
echo ""

# Create databases (if needed)
echo "📊 Creating databases..."
docker-compose -f "$COMPOSE_FILE" exec -T postgres psql -U cmdb -c "CREATE DATABASE cmdb_cache;" 2>/dev/null || echo "ℹ️  Database cmdb_cache already exists or will be created automatically"
docker-compose -f "$COMPOSE_FILE" exec -T postgres psql -U cmdb -c "CREATE DATABASE cmdb_classifications;" 2>/dev/null || echo "ℹ️  Database cmdb_classifications already exists or will be created automatically"
echo "✅ Databases ready"
echo ""

echo "✨ PostgreSQL database has been reset!"
echo ""
echo "Next steps:"
echo "1. Start the backend locally: cd backend && npm run dev"
echo "2. The normalized schema will be created automatically on first start"
echo "3. Run schema discovery: npm run generate-schema (in backend/)"
echo "4. Start syncing data from Jira"
echo ""