#!/usr/bin/env python3

import typing as _typing
import sys as _sys
import os as _os
import json as _json
import argparse as _argparse

from log import *
from conf import *
from backend import *


def main():
	## args
	argument_parser = _argparse.ArgumentParser(
		prog = "mondvogel",
		description = "CLI-Client-Programm für Espe",
		formatter_class = _argparse.ArgumentDefaultsHelpFormatter
	)
	argument_parser.add_argument(
		type = str,
		dest = "action",
		choices = [
			"member-list",
			"member-read",
			"member-project",
			"member-delete",
		],
		metavar = "<action>",
		help = "auszuführende Aktion; Optionen: 'conf-schema' : JSON-Schema der Konfiguration ausgeben | 'conf-expose' : vervollständigte Konfiguration ausgegeben | 'member-list' : Liste der Mitglieder ausgeben | 'member-read' : Daten eines Mitglieds ausgeben | 'member-project' : ein Mitglied anlegen und die ID des erzeugten Datensatzes ausgeben | 'member-delete' : einer Mitglieder-Datensatz löschen",
	)
	argument_parser.add_argument(
		"-c",
		"--conf-path",
		type = str,
		dest = "conf_path",
		default = _os.path.join(_os.path.expanduser("~"), ".mondvogel", "conf.json"),
		metavar = "<conf-path>",
		help = "Pfad zur Konfigurations-Datei",
	)
	argument_parser.add_argument(
		"-i",
		"--id",
		type = int,
		dest = "id",
		default = None,
		metavar = "<id>",
		help = "ID des Mitglieds",
	)
	argument_parser.add_argument(
		"-m",
		"--membership-number",
		type = str,
		dest = "membership_number",
		default = None,
		metavar = "<membership-number>",
		help = "Mitglieds-Nummer des Mitglieds",
	)
	argument_parser.add_argument(
		"-n",
		"--name",
		type = str,
		dest = "name",
		default = None,
		metavar = "<name>",
		help = "Name des Mitglieds; Leerzeichen sind durch '_' zu ersetzen",
	)
	argument_parser.add_argument(
		"-e",
		"--email-address",
		type = str,
		dest = "email_address",
		default = None,
		metavar = "<email-address>",
		help = "E-Mail-Adresse des Mitglieds",
	)
	args = argument_parser.parse_args()
	
	## conf
	conf_load(args.conf_path)
	log_add_output(
		{
			"format": conf_get()["log"]["format"],
			"min_level": (
				{
					"error": enum_log_level.ERROR,
					"warning": enum_log_level.WARNING,
					"notice": enum_log_level.NOTICE,
					"info": enum_log_level.INFO,
					"debug": enum_log_level.DEBUG,
				}[conf_get()["log"]["min_level"]]
			),
		}
	)
	## exec
	if (args.action == "conf-schema"):
		_sys.stdout.write(_json.dumps(conf_schema(), indent = "\t") + "\n")
	elif (args.action == "conf-expose"):
		_sys.stdout.write(_json.dumps(conf_get(), indent = "\t") + "\n")
	elif (args.action == "member-list"):
		data = backend_api_call_member_list(
		)
		_sys.stdout.write(_json.dumps(data, indent = "\t") + "\n")
	elif (args.action == "member-read"):
		if (
			(args.id is None)
		):
			log_error(
				"mandatory_parameters_missing",
				{
					"parameters": [
						"id",
					]
				}
			)
		else:
			data = backend_api_call_member_read(
				args.id
			)
			_sys.stdout.write(_json.dumps(data, indent = "\t") + "\n")
	elif (args.action == "member-project"):
		if (
			(args.membership_number is None)
			or
			(args.name is None)
			or
			(args.email_address is None)
		):
			log_error(
				"mandatory_parameters_missing",
				{
					"parameters": [
						"membership_number",
						"name",
						"email_address",
					]
				}
			)
		else:
			member_id = backend_api_call_member_project(
				args.membership_number,
				args.name.replace("_", " "),
				args.email_address,
				None
			)
			_sys.stdout.write(_json.dumps(member_id, indent = "\t") + "\n")
	elif (args.action == "member-delete"):
		if (
			(args.id is None)
		):
			log_error(
				"mandatory_parameters_missing",
				{
					"parameters": [
						"id",
					]
				}
			)
		else:
			member_id = backend_api_call_member_delete(
				args.id
			)
	else:
		raise NotImplementedError()
	

try:
	main()
except ValueError as error:
	_sys.stderr.write(str(error) + "\n")
	_sys.exit(1)