import subprocess
import sys
from pathlib import Path

def check_node_installation():
    print("Checking Node.js and npm installation...")
    try:
        node_version = subprocess.run(
            ["node", "--version"],
            capture_output=True,
            text=True,
            check=True
        ).stdout.strip()
        print(f"✓ Node.js {node_version} is installed")

        npm_version = subprocess.run(
            ["npm", "--version"],
            capture_output=True,
            text=True,
            check=True
        ).stdout.strip()
        print(f"✓ npm {npm_version} is installed")
    except subprocess.CalledProcessError:
        print("❌ Node.js and/or npm is not installed!")
        print("Please install Node.js and npm before running this script.")
        print("You can download them from: https://nodejs.org/")
        sys.exit(1)

def check_uv_installation():
    print("Checking uv installation...")
    try:
        uv_version = subprocess.run(
            ["uv", "--version"],
            capture_output=True,
            text=True,
            check=True
        ).stdout.strip()
        print(f"✓ uv {uv_version} is installed")
    except subprocess.CalledProcessError:
        print("❌ uv is not installed!")
        print("Please install uv before running this script.")
        print("You can download it from: https://docs.astral.sh/uv/getting-started/installation/")
        sys.exit(1)

def run_command(command, cwd=None):
    print(f"Running: {' '.join(command)}")
    try:
        process = subprocess.Popen(command, cwd=cwd)
        process.wait()
        if process.returncode != 0:
            print(f"Error running command: {' '.join(command)}")
            print(f"Error code: {process.returncode}")
            sys.exit(1)
    except KeyboardInterrupt:
        print("\nReceived interrupt signal. Shutting down...")
        process.terminate()
        process.wait()
        sys.exit(0)
    except Exception as e:
        print(f"Error running command: {' '.join(command)}")
        print(f"Error: {e}")
        sys.exit(1)

def main():
    check_node_installation()
    check_uv_installation()

    project_root = Path(__file__).parent
    static_dir = project_root / "app" / "static"

    print("Compiling translations...")
    run_command(["uv", "run", "pybabel", "compile", "-d", "app/translations"])

    print("Running database setup...")
    print("1. Renaming legacy database...")
    run_command(["uv", "run", "python", "-m", "app.legacy_migration.rename_legacy"])
    
    print("2. Applying alembic migrations...")
    run_command(["uv", "run", "flask", "db", "upgrade"])
    
    print("3. Importing legacy data...")
    run_command(["uv", "run", "python", "-m", "app.legacy_migration.import_legacy"])

    print("Installing/updating npm dependencies...")
    run_command(["npm", "install"], cwd=static_dir)

    print("Building static assets (CSS & JS)...")
    run_command(["npm", "run", "build"], cwd=static_dir)

    # Start the Tailwind watcher in the background
    print("Starting Tailwind watcher...")
    tailwind_process = subprocess.Popen(
        ["npm", "run", "watch:css"],
        cwd=static_dir
    )

    try:
        print("Starting Flask development server...")
        run_command(["uv", "run", "flask", "run", "--debug"])
    finally:
        # Ensure we clean up the Tailwind process when Flask exits
        tailwind_process.terminate()
        tailwind_process.wait()

if __name__ == "__main__":
    main()