import typing as _typing
import json as _json
import requests as _requests

from helpers import *
from conf import *
from log import *


def backend_api_call_generic(
	session_key,
	http_method,
	action_path,
	data
):
	log_info(
		"backend_api_call",
		{
			"with_session_key": (not (session_key is None)),
			"http_method": http_method,
			"path": action_path,
		}
	)
	target = string_coin(
		"{{scheme}}://{{host}}:{{port}}{{path_base}}{{path_action}}",
		{
			"scheme": conf_get()["api"]["scheme"],
			"host": conf_get()["api"]["host"],
			"port": ("%u" % conf_get()["api"]["port"]),
			"path_base": conf_get()["api"]["path"],
			"path_action": action_path,
		}
	)
	if (http_method == "GET"):
		response_raw = _requests.get(
			target,
			headers = {
				"X-Session-Key": session_key,
			}
		)
		return _json.loads(response_raw.text)
	elif (http_method == "POST"):
		response_raw = _requests.post(
			target,
			headers = {
				"Content-Type": "application/json",
				"X-Session-Key": session_key,
			},
			json = data
		)
		return _json.loads(response_raw.text)
	elif (http_method == "DELETE"):
		response_raw = _requests.delete(
			target,
			headers = {
				"X-Session-Key": session_key,
			},
			json = data
		)
		return _json.loads(response_raw.text)
	else:
		raise NotImplementedError("unhandled HTTP method: %s" % http_method)
	

def backend_api_call_session_begin(
) -> str:
	return backend_api_call_generic(
		None,
		"POST",
		"/session/begin",
		{
			"name": conf_get()["account"]["name"],
			"password": conf_get()["account"]["password"],
		}
	)
	

def backend_api_call_session_end(
	session_key
):
	return backend_api_call_generic(
		session_key,
		"DELETE",
		"/session/end",
		None
	)
	

def backend_api_call_member_list(
	session_key : str
):
	return backend_api_call_generic(
		session_key,
		"GET",
		"/member/list",
		None
	)
	

def backend_api_call_member_project(
	session_key : str,
	membership_number : _typing.Optional[str],
	name_real_value : str,
	email_address_private : _typing.Optional[str],
	notification_target_url_template : _typing.Optional[str]
):
	return backend_api_call_generic(
		session_key,
		"POST",
		"/member/project",
		{
			"membership_number": membership_number,
			"name_real_value": name_real_value,
			"email_address_private": email_address_private,
			"notification_target_url_template": notification_target_url_template,
		}
	)