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

# Copyright © 2012 Zulip, Inc.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

from __future__ import print_function
import sys
import os
import json
import argparse

usage = """recent-messages [options] --count=<no. of previous messages> --user=<sender's email address> --api-key=<sender's api key>

Prints out last count messages received by the indicated bot or user

Example: recent-messages --count=101 --user=username@example.com --api-key=a0b1c2d3e4f5a6b7c8d9e0f1a2b3c4d5

You can omit --user and --api-key arguments if you have a properly set up ~/.zuliprc
"""
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))
import zulip

parser = zulip.add_default_arguments(argparse.ArgumentParser(usage=usage))
parser.add_argument('--count', default=100)
options = parser.parse_args()

client = zulip.init_from_options(options)

request = {
    'narrow': [["stream", "Denmark"]],
    'num_before': options.count,
    'num_after': 0,
    'anchor': 1000000000,
    'apply_markdown': False
}

old_messages = client.call_endpoint(
    url='messages',
    method='GET',
    request=request,
)

if 'messages' in old_messages:
    for message in old_messages['messages']:
        print(json.dumps(message, indent=4))
else:
    print([])