"""Shared validation logic."""

from typing import Any

from flask import Request
from owsrequest import flask_request
from owsresponse import response


def validate_profile_access(request: Request) -> response.Response:
    """
    Validate if requesting user has correct profile access.
    Args:
        request (flask.request): request
    Returns:
        bool: False if does not have access
    """

    profile_type, profile_id = flask_request.get_profile_headers(request)

    if not profile_id or not profile_type:
        return response.create_error_response(
            message="Invalid profile headers", status=400, code="bad_request"
        )

    return response.Response(message="ok")


ORDER_BY = "order_by"
ORDER_BY_PARAM_DEFAULT = "name"
ORDER_DIR = "order_dir"
ORDER_DIR_DEFAULT = "asc"


"""Value values for order_by and order_dir."""
VALID_PARAMS: dict[str, Any] = {
    ORDER_BY: {ORDER_BY_PARAM_DEFAULT: "customer_name"},
    ORDER_DIR: [ORDER_DIR_DEFAULT, "desc"],
}


def sanitize_sort_params(request: Request) -> dict[str, Any]:
    """
    Validate if user-provided sort order string is permitted.
    Args:
        request (flask.request): request
    Returns:
        Dict: sort params 'order_by' and 'order_dir', sanitized to permitted values
    """

    order_by = request.args.get(ORDER_BY, ORDER_BY_PARAM_DEFAULT)
    order_dir = request.args.get(ORDER_DIR, ORDER_DIR_DEFAULT)

    """Use valid defaults."""
    order_by = (
        VALID_PARAMS[ORDER_BY][order_by]
        if order_by in VALID_PARAMS[ORDER_BY].keys()
        else VALID_PARAMS[ORDER_BY][ORDER_BY_PARAM_DEFAULT]
    )
    order_dir = order_dir if order_dir in VALID_PARAMS[ORDER_DIR] else ORDER_DIR_DEFAULT

    return {ORDER_BY: order_by, ORDER_DIR: order_dir}