"""Configuration file for the Mapping Provider."""

import json
from typing import Any, TextIO

import jsonschema

CONFIG_SCHEMA = {
    "$schema": "http://json-schema.org/draft-07/schema#",
    "type": "object",
    "properties": {
        "aai": {
            "type": "object",
            "properties": {
                "discovery_endpoint_url": {"type": "string"},
                "client_id": {"type": "string"},
                "secret": {"type": "string"},
            },
            "required": ["client_id", "secret", "discovery_endpoint_url"],
            "additionalProperties": False,
        },
        "orchestrator": {
            "type": "object",
            "properties": {
                "url": {"type": "string"},
            },
            "required": ["url"],
            "additionalProperties": False,
        },
    },
    "required": ["aai", "orchestrator"],
    "additionalProperties": False,
}


def load(f: TextIO) -> dict[str, Any]:
    """loads, validates and returns configuration parameters.

    :param f: file-like object that produces the config file
    :return:
    """
    config: dict[str, Any] = json.loads(f.read())
    jsonschema.validate(config, CONFIG_SCHEMA)
    return config