"""
Create a superadmin user interactively.
Run this script to add a superadmin account to your database.
"""

import getpass
import re
from database import SessionLocal
from models import User, UserStatus, UserRole, Role
from auth import get_password_hash
from datetime import datetime, timezone
import sys

def validate_email(email):
    """Validate email format"""
    pattern = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
    return re.match(pattern, email) is not None

def validate_phone(phone):
    """Validate phone format (simple check)"""
    # Remove common separators
    cleaned = phone.replace('-', '').replace('(', '').replace(')', '').replace(' ', '').replace('.', '')
    return len(cleaned) >= 10 and cleaned.isdigit()

def validate_zipcode(zipcode):
    """Validate US zipcode format"""
    return len(zipcode) == 5 and zipcode.isdigit()

def get_input(prompt, validator=None, required=True, default=None):
    """Get user input with optional validation"""
    while True:
        if default:
            user_input = input(f"{prompt} [{default}]: ").strip()
            if not user_input:
                return default
        else:
            user_input = input(f"{prompt}: ").strip()

        if not user_input and not required:
            return None

        if not user_input and required:
            print("❌ This field is required. Please try again.")
            continue

        if validator and not validator(user_input):
            print("❌ Invalid format. Please try again.")
            continue

        return user_input

def get_password():
    """Get password with confirmation and validation"""
    while True:
        password = getpass.getpass("Password (min 8 characters): ")

        if len(password) < 8:
            print("❌ Password must be at least 8 characters long.")
            continue

        confirm = getpass.getpass("Confirm password: ")

        if password != confirm:
            print("❌ Passwords do not match. Please try again.")
            continue

        return password

def create_superadmin():
    """Create a superadmin user interactively"""
    db = SessionLocal()

    try:
        print("\n" + "="*60)
        print("🔧  LOAF Membership Platform - Superadmin Creation")
        print("="*60 + "\n")

        # Get user information interactively
        print("📝 Please provide the superadmin account details:\n")

        email = get_input(
            "Email address",
            validator=validate_email,
            required=True
        )

        # Check if user already exists
        existing_user = db.query(User).filter(User.email == email).first()

        if existing_user:
            print(f"\n⚠️  User with email '{email}' already exists!")
            print(f"   Current Role: {existing_user.role.value}")
            print(f"   Current Status: {existing_user.status.value}")

            update = input("\n❓ Would you like to update this user to superadmin? (yes/no): ").strip().lower()

            if update in ['yes', 'y']:
                existing_user.role = UserRole.superadmin
                existing_user.status = UserStatus.active
                existing_user.email_verified = True

                # Assign superadmin role in dynamic RBAC if roles table exists
                try:
                    superadmin_role = db.query(Role).filter(Role.code == 'superadmin').first()
                    if superadmin_role and not existing_user.role_id:
                        existing_user.role_id = superadmin_role.id
                except Exception:
                    pass  # Roles table might not exist yet

                db.commit()
                print("✅ User updated to superadmin successfully!")
                print(f"   Email: {existing_user.email}")
                print(f"   Role: {existing_user.role.value}")
                print(f"   User ID: {existing_user.id}")
            else:
                print("❌ Operation cancelled.")
            return

        password = get_password()

        print("\n👤 Personal Information:\n")

        first_name = get_input("First name", required=True)
        last_name = get_input("Last name", required=True)
        phone = get_input("Phone number", validator=validate_phone, required=True)

        print("\n📍 Address Information:\n")

        address = get_input("Street address", required=True)
        city = get_input("City", required=True)
        state = get_input("State (2-letter code)", required=True, default="CA")
        zipcode = get_input("ZIP code", validator=validate_zipcode, required=True)

        print("\n📅 Date of Birth (YYYY-MM-DD format):\n")

        while True:
            dob_str = get_input("Date of birth (e.g., 1990-01-15)", required=True)
            try:
                date_of_birth = datetime.strptime(dob_str, "%Y-%m-%d")
                break
            except ValueError:
                print("❌ Invalid date format. Please use YYYY-MM-DD format.")

        # Create superadmin user
        print("\n⏳ Creating superadmin user...")

        superadmin_user = User(
            email=email,
            password_hash=get_password_hash(password),
            first_name=first_name,
            last_name=last_name,
            phone=phone,
            address=address,
            city=city,
            state=state.upper(),
            zipcode=zipcode,
            date_of_birth=date_of_birth,
            status=UserStatus.active,
            role=UserRole.superadmin,
            email_verified=True,
            newsletter_subscribed=False
        )

        db.add(superadmin_user)
        db.flush()  # Flush to get the user ID before looking up roles

        # Assign superadmin role in dynamic RBAC if roles table exists
        try:
            superadmin_role = db.query(Role).filter(Role.code == 'superadmin').first()
            if superadmin_role:
                superadmin_user.role_id = superadmin_role.id
                print("   ✓ Assigned dynamic superadmin role")
        except Exception as e:
            print(f"   ⚠️  Dynamic roles not yet set up (this is normal for fresh installs)")

        db.commit()
        db.refresh(superadmin_user)

        print("\n" + "="*60)
        print("✅ Superadmin user created successfully!")
        print("="*60)
        print(f"\n📧 Email: {superadmin_user.email}")
        print(f"👤 Name: {superadmin_user.first_name} {superadmin_user.last_name}")
        print(f"🔑 Role: {superadmin_user.role.value}")
        print(f"🆔 User ID: {superadmin_user.id}")
        print(f"\n✨ You can now log in to the admin panel at /admin/login")
        print("\n" + "="*60 + "\n")

    except KeyboardInterrupt:
        print("\n\n❌ Operation cancelled by user.")
        db.rollback()
        sys.exit(1)
    except Exception as e:
        print(f"\n❌ Error creating superadmin user: {e}")
        import traceback
        traceback.print_exc()
        db.rollback()
        sys.exit(1)
    finally:
        db.close()

if __name__ == "__main__":
    create_superadmin()