#!/usr/bin/env python3
# -*- coding: utf-8 -*-

""" mark entries in miniflux as read that are older than n days via api calls
"""
import argparse
import configparser
import sys
import time
import requests

def parse_commandline_args():
    """ assmble commandline arguments - for more infomration see correspnding help entries
    """
    parser = argparse.ArgumentParser(
        description='mark entries older than n days as read in miniflux using the api of miniflux'
    )
    parser.add_argument(
        '--config', type=str, help='path to the config file', required=True
    )

    return parser.parse_args()


def is_reachable_and_healthy():
    """ check if the api is reachable and healthy
    """
    try:
        request_healthcheck = requests.get(config['options']['url']+"/healthcheck")
    except requests.exceptions.ConnectionError as error:
        print(error)
        sys.exit(1)
    else:
        if request_healthcheck.status_code != 200:
            request_failed(request_healthcheck)

def get_ids_older_ndays():
    """ find entries older then delta and add their id to id_array
    """
    headers = {'X-Auth-Token': config['options']['token']}
    delta = int(time.time()) - int(config['options']['age'])
    params = {"status": "unread", "before" : delta}
    request_unread = requests.get(config['options']['url']+'/v1/entries', params=params, headers=headers)

    if request_unread.status_code != 200:
        request_failed(request_unread)

    entries = request_unread.json()

    if not entries["entries"]:
        return

    for item in entries["entries"]:
        if item['feed']['category']['title'] in config['options']['ignore']:
            continue

        id_array.append(item["id"])

def mark_as_read():
    """ mark ids from id_array as read
    """
    headers = {'X-Auth-Token': config['options']['token']}
    payload = {"status": "read", "entry_ids" : id_array}
    request_put_ids = requests.put(config['options']['url']+'/v1/entries', json=payload, headers=headers)

    if request_put_ids.status_code != 204:
        request_failed(request_put_ids)

def request_failed(request_input):
    """ called when requests did not delive 200 or 204
    """
    print(request_input.status_code, request_input.text)
    sys.exit(1)

if __name__ == "__main__":
    id_array = []
    args = parse_commandline_args()
    config = configparser.ConfigParser()
    config.read(args.config)
    is_reachable_and_healthy()
    get_ids_older_ndays()

    if id_array:
        mark_as_read()

    print("entries marked as read:", len(id_array))