import datetime
from files_sdk.models.account_line_item import AccountLineItem
from files_sdk.api import Api
from files_sdk.list_obj import ListObj
from files_sdk.exceptions import InvalidParameterError, MissingParameterError, NotImplementedError

class Invoice:
    default_attributes = {
        'id': None,     # int64 - Line item Id
        'amount': None,     # double - Line item amount
        'balance': None,     # double - Line item balance
        'created_at': None,     # date-time - Line item created at
        'currency': None,     # string - Line item currency
        'download_uri': None,     # string - Line item download uri
        'invoice_line_items': None,     # array - Associated invoice line items
        'method': None,     # string - Line item payment method
        'payment_line_items': None,     # array - Associated payment line items
        'payment_reversed_at': None,     # date-time - Date/time payment was reversed if applicable
        'payment_type': None,     # string - Type of payment if applicable
        'site_name': None,     # string - Site name this line item is for
        'type': None,     # string - Type of line item, either payment or invoice
        'updated_at': None,     # date-time - Line item updated at
    }

    def __init__(self, attributes=None, options=None):
        if not isinstance(attributes, dict):
            attributes = {}
        if not isinstance(options, dict):
            options = {}
        self.set_attributes(attributes)
        self.options = options

    def set_attributes(self, attributes):
        for (attribute, default_value) in Invoice.default_attributes.items():
            setattr(self, attribute, attributes.get(attribute, default_value))

    def get_attributes(self):
        return {k: getattr(self, k, None) for k in Invoice.default_attributes if getattr(self, k, None) is not None}


# Parameters:
#   cursor - string - Used for pagination.  Send a cursor value to resume an existing list from the point at which you left off.  Get a cursor from an existing list via the X-Files-Cursor-Next header.
#   per_page - int64 - Number of records to show per page.  (Max: 10,000, 1,000 or less is recommended).
def list(params = None, options = None):
    if not isinstance(params, dict):
        params = {}
    if not isinstance(options, dict):
        options = {}
    if "cursor" in params and not isinstance(params["cursor"], str):
        raise InvalidParameterError("Bad parameter: cursor must be an str")
    if "per_page" in params and not isinstance(params["per_page"], int):
        raise InvalidParameterError("Bad parameter: per_page must be an int")
    return ListObj(AccountLineItem,"GET", "/invoices", params, options)

def all(params = None, options = None):
    list(params, options)

# Parameters:
#   id (required) - int64 - Invoice ID.
def find(id, params = None, options = None):
    if not isinstance(params, dict):
        params = {}
    if not isinstance(options, dict):
        options = {}
    params["id"] = id
    if "id" in params and not isinstance(params["id"], int):
        raise InvalidParameterError("Bad parameter: id must be an int")
    if "id" not in params:
        raise MissingParameterError("Parameter missing: id")
    response, options = Api.send_request("GET", "/invoices/{id}".format(id=params['id']), params, options)
    return AccountLineItem(response.data, options)

def get(id, params = None, options = None):
    find(id, params, options)

def new(*args, **kwargs):
    return Invoice(*args, **kwargs)