import copy
from typing import Any
from typing import Dict


async def update_tags(
    hub,
    ctx,
    resource_id,
    old_tags: Dict[str, Any],
    new_tags: Dict[str, Any],
):
    """Update tags of AWS Config resources

    Args:
        hub: The redistributed pop central hub.
        ctx: A dict with the keys/values for the execution of the Idem run located in
        `hub.idem.RUNS[ctx['run_name']]`
        resource_id: aws resource id
        old_tags: dict of old tags in the format of {tag-key: tag-value}
        new_tags: dict of new tags in the format of {tag-key: tag-value}. If this value is None, the function will do no operation on tags.
    Returns:
        {"result": True|False, "comment": "A message", "ret": dict of updated tags}

    """
    tags_to_add = {}
    tags_to_remove = {}
    if new_tags is not None:
        tags_to_remove, tags_to_add = hub.tool.aws.tag_utils.diff_tags_dict(
            old_tags=old_tags, new_tags=new_tags
        )
    result = dict(comment=(), result=True, ret=None)
    if (not tags_to_remove) and (not tags_to_add):
        result["ret"] = copy.deepcopy(old_tags if old_tags else {})
        return result
    if tags_to_remove:
        if not ctx.get("test", False):
            delete_ret = await hub.exec.boto3.client.config.untag_resource(
                ctx, ResourceArn=resource_id, TagKeys=list(tags_to_remove.keys())
            )
            if not delete_ret["result"]:
                result["comment"] = delete_ret["comment"]
                result["result"] = False
                return result

    if tags_to_add:
        if not ctx.get("test", False):
            add_ret = await hub.exec.boto3.client.config.tag_resource(
                ctx,
                ResourceArn=resource_id,
                Tags=hub.tool.aws.tag_utils.convert_tag_dict_to_list(tags=tags_to_add),
            )
            if not add_ret["result"]:
                result["comment"] = add_ret["comment"]
                result["result"] = False
                return result
    result["ret"] = new_tags
    if ctx.get("test", False):
        result["comment"] = hub.tool.aws.comment_utils.would_update_tags_comment(
            tags_to_remove=tags_to_remove, tags_to_add=tags_to_add
        )
    else:
        result["comment"] = hub.tool.aws.comment_utils.update_tags_comment(
            tags_to_remove=tags_to_remove, tags_to_add=tags_to_add
        )
    return result
