import requests

class APIHandler:
    '''
    Class to standardize the format of the headers of our http requests.
    '''
    # TO-DO: remove static url.
    def __init__(self, apikey="", ELABFTW_API_URL="https://elabftw.fisica.unina.it/api/v2"):
        '''Init method, apikey suggested but not required (empty by default).'''
        self.auth = {"Authorization" : apikey}
        self.content = {"Content-Type" : "application/json"}
        self.dump = {**self.auth, **self.content}
        self.elaburl = ELABFTW_API_URL
    def get_entry_from_elabid(self, elabid, entryType="items"):
        '''
        Method which returns a resource's raw data (as dictionary) from its elabid and entry type.

        Entry type can be either "experiments" or "items".
        '''
        # TO-DO: validation and error handling on entryType value.
        header = self.dump
        response = requests.get(
            headers = header,
            url = f"{self.elaburl}/{entryType}/{elabid}",
            verify=True
        )
        if response.status_code // 100 in [2,3]:
            entry_data = response.json()
            return entry_data
        else:
            raise ConnectionError(f"HTTP request failed with status code: {response.status_code}.")