#!/bin/sh
set -e

# Configuration
MAX_MYSQL_WAIT=60
APP_NAME="nodeapp"

# Cleanup function
cleanup() {
    echo "Cleaning up..."
    tmux kill-session -t $APP_NAME 2>/dev/null || true
    redis-cli shutdown || true
    mysqladmin -u root shutdown || true
    exit 0
}

# Setup cleanup trap
trap cleanup SIGTERM SIGINT

# Start Redis
echo "Starting Redis..."
redis-server --daemonize yes
if ! redis-cli ping > /dev/null 2>&1; then
    echo "Failed to start Redis"
    exit 1
fi

# Start MySQL
echo "Starting MySQL..."

# Start MariaDB with specific options
mariadbd \
    --datadir=/var/lib/mysql \
    --pid-file=/run/mysqld/mysqld.pid \
    --socket=/run/mysqld/mysqld.sock \
    --log-error=/var/log/mysql/error.log \
    --bind-address=0.0.0.0 &

# Wait for MySQL with timeout
echo "Waiting for MySQL to be ready..."
COUNTER=0
while true; do
    if mysqladmin ping -h localhost --silent 2>/dev/null; then
        break
    fi
    
    if [ $COUNTER -gt $MAX_MYSQL_WAIT ]; then
        echo "MySQL failed to start within $MAX_MYSQL_WAIT seconds"
        echo "Last few lines of MySQL error log:"
        tail -n 20 /var/log/mysql/error.log
        exit 1
    fi
    
    echo "Still waiting... (${COUNTER}s)"
    sleep 2
    COUNTER=$((COUNTER+2))
done
echo "MySQL is ready!"

# Run migrations with error handling
echo "Running database migrations..."
if ! npx mikro-orm-esm migration:up; then
    echo "Migration failed"
    exit 1
fi

# Start application in tmux
echo "Starting application..."
tmux new-session -d -s $APP_NAME "npm run start"
echo "App is running in tmux session. Attach with: tmux attach-session -t $APP_NAME"

# Monitor key processes
while true; do
    if ! redis-cli ping > /dev/null 2>&1; then
        echo "Redis died"
        exit 1
    fi
    if ! mysqladmin ping -h localhost --silent; then
        echo "MySQL died"
        exit 1
    fi
    if ! tmux has-session -t $APP_NAME 2>/dev/null; then
        echo "Application died"
        exit 1
    fi
    sleep 30
done