#!/bin/bash
# Apply database migrations automatically
# This script should be run on container startup or periodically

set -e

POSTGRES_HOST="${POSTGRES_HOST:-db}"
POSTGRES_DB="${POSTGRES_DB:-daarion}"
POSTGRES_USER="${POSTGRES_USER:-postgres}"
POSTGRES_PASSWORD="${POSTGRES_PASSWORD:-postgres}"

MIGRATIONS_DIR="${MIGRATIONS_DIR:-/opt/microdao-daarion/migrations}"

echo "📊 Applying database migrations..."
echo "Host: $POSTGRES_HOST"
echo "Database: $POSTGRES_DB"
echo "Migrations dir: $MIGRATIONS_DIR"

# Wait for PostgreSQL to be ready
echo "⏳ Waiting for PostgreSQL..."
for i in {1..30}; do
  if PGPASSWORD="$POSTGRES_PASSWORD" psql -h "$POSTGRES_HOST" -U "$POSTGRES_USER" -d "$POSTGRES_DB" -c "SELECT 1;" > /dev/null 2>&1; then
    echo "✅ PostgreSQL is ready"
    break
  fi
  if [ $i -eq 30 ]; then
    echo "❌ PostgreSQL is not ready after 30 attempts"
    exit 1
  fi
  sleep 1
done

# Apply all migrations in order
echo "📋 Applying migrations..."
for migration_file in "$MIGRATIONS_DIR"/*.sql; do
  if [ -f "$migration_file" ]; then
    migration_name=$(basename "$migration_file")
    echo "  Applying: $migration_name"
    
    # Apply migration (ignore errors for already applied migrations)
    PGPASSWORD="$POSTGRES_PASSWORD" psql -h "$POSTGRES_HOST" -U "$POSTGRES_USER" -d "$POSTGRES_DB" -f "$migration_file" 2>&1 | grep -v "already exists\|does not exist" || true
  fi
done

echo "✅ Migrations applied"