# tenant/commands/init.py
import os
from tenant.utils.common import get_secure_password


def add_subparser(subparsers):
    init_parser = subparsers.add_parser("init", help="Initialize a new tenant")
    default_tenant_name = os.getenv("TENANT_NAME", None)
    init_parser.add_argument(
        "tenant_name", help="Name of the tenant", default=default_tenant_name, nargs="?"
    )
    init_parser.add_argument(
        "--target", default=".", help="Target directory (default: current directory)"
    )


def execute(args):
    # If tenant_name is not provided and TENANT_NAME is not set, prompt the user
    if args.tenant_name is None and os.getenv("TENANT_NAME") is None:
        tenant_name = input("Please enter the tenant name: ")

    # Ask the user to confirm the tenant name if the environment variable is set
    if os.getenv("TENANT_NAME") and args.tenant_name is not None:
        user_confirmation = input(
            f"Use '{os.getenv('TENANT_NAME')}' as the tenant name? (yes/no): "
        ).lower()
        if user_confirmation in ("yes", "y"):
            tenant_name = os.getenv("TENANT_NAME")

    target_directory = args.target

    tenant_directory = os.path.join(target_directory, tenant_name)

    # Check if the tenant directory already exists
    if os.path.exists(tenant_directory):
        print(f"Error: Tenant directory '{tenant_directory}' already exists.")
        return

    # Prompt the user for the GitSync password securely
    git_sync_password = get_secure_password(
        prompt="Please insert known password for GitSync: "
    )

    terraform_directory = os.path.join(tenant_directory, "terraform")
    kubernetes_directory = os.path.join(tenant_directory, "kubernetes")
    certificates_directory = os.path.join(tenant_directory, "certificates")

    os.makedirs(terraform_directory)
    os.makedirs(kubernetes_directory)
    os.makedirs(certificates_directory)

    # Create symbolic links for *.tf files
    source_tf_dir = os.path.join(target_directory, "terraform")
    target_tf_dir = os.path.join(tenant_directory, "terraform")

    for filename in os.listdir(source_tf_dir):
        if filename.endswith(".tf"):
            source_path = os.path.join(source_tf_dir, filename)
            target_path = os.path.join(target_tf_dir, filename)
            # Ensure the source path is correct before creating the symbolic link
            if os.path.exists(source_path):
                relative_path = os.path.relpath(source_path, target_tf_dir)
                os.symlink(relative_path, target_path)
            else:
                print(
                    f"Warning: Source file '{filename}' not found in '{source_tf_dir}'."
                )
    print(
        f"Tenant '{tenant_name}' initialized in '{tenant_directory}' with GitSync password provided."
    )