"""Create initial admin user.

Run with:
    docker exec customer_portal python -m customer_portal.scripts.create_admin
"""

import os

from sqlalchemy import create_engine, text
from werkzeug.security import generate_password_hash


def create_admin():
    """Create initial admin user if none exists."""
    database_url = os.environ.get(
        "DATABASE_URL", "postgresql://portal:portal@localhost:5432/customer_portal"
    )

    engine = create_engine(database_url)

    with engine.connect() as conn:
        # Check if any admin exists
        result = conn.execute(text("SELECT COUNT(*) FROM admin_users"))
        count = result.fetchone()[0]

        if count > 0:
            print(f"Es existieren bereits {count} Admin(s).")
            result = conn.execute(text("SELECT username, name FROM admin_users"))
            for row in result:
                print(f"  - {row[0]} ({row[1]})")
            return

        # Create default admin
        username = "admin"
        password = "admin123!"
        password_hash = generate_password_hash(password)

        conn.execute(
            text(
                """
                INSERT INTO admin_users (username, password_hash, name, email, is_active)
                VALUES (:username, :password_hash, :name, :email, TRUE)
            """
            ),
            {
                "username": username,
                "password_hash": password_hash,
                "name": "Administrator",
                "email": "admin@example.com",
            },
        )
        conn.commit()

        print("=" * 50)
        print("Admin-Benutzer erfolgreich erstellt!")
        print("=" * 50)
        print(f"  Benutzername: {username}")
        print(f"  Passwort:     {password}")
        print("")
        print("WICHTIG: Aendern Sie das Passwort nach dem ersten Login!")
        print("=" * 50)


if __name__ == "__main__":
    create_admin()