#!/bin/env /usr/bin/python2.6
# pylint: disable=missing-docstring
# pylint: disable=unused-import
from datetime import date, timedelta
import json
import httplib
from string import Template
import sys
import urllib

def search_issues(query_terms, sortBy=None, orderDir=None):
    # pylint: disable=line-too-long
    # pylint: disable=invalid-name
    conn = httplib.HTTPSConnection("api.github.com")
    params_map = {"q": "+".join(query_terms)}
    if sortBy is not None:
        params_map["sort"] = sortBy
    if orderDir is not None:
        params_map["order"] = orderDir
    # Note we don't do urlencode because the output is not compatible with the q syntax, e.g. : and / should not be escaped
    # params = urllib.urlencode(params_map)
    params = "&".join(str(i[0]) + "=" + str(i[1]) for i in params_map.items())
    #print params

    headers = {"User-Agent": "Python App"}

    conn.request("GET", "/search/issues?" + params, headers=headers)
    response = conn.getresponse()
    if response.status != httplib.OK:
        sys.stderr.write("Query error: %s %s: %s" % (response.status, response.reason, response.read()))
        sys.exit(1)
    result = json.loads(response.read())
    conn.close()
    return result


def get_created_issues_since(day):
    # pylint: disable=line-too-long
    return search_issues(query_terms=["repo:linkedin/gobblin", "is:open", "is:issue", "created:>=" + day],
                         sortBy="created",
                         orderDir="desc"
                        )

def get_created_issues_last_days(n=10):
    # pylint: disable=invalid-name
    since_day = (date.today() - timedelta(days=n)).strftime("%Y-%m-%d")
    return get_created_issues_since(since_day)

def simple_issue_list(issues):
    # pylint: disable=invalid-name
    HEADER_TEMPLATE = Template("$total_count issues found")
    ISSUE_TEMPLATE = Template("""------------------
ISSUE $number : HTML: $html_url  JSON: $url
\tCREATED ON: $created_at
\tCREATED BY: $user_login ( $user_name ) $user_html_url
\tASSIGNED TO: $assignee_login ($assignee_name) $assignee_html_url
\tCOMMENTS: $comments
\tUPDATED ON: $updated_at
\tCLOSED ON: $closed_at

$body
""")
    print HEADER_TEMPLATE.substitute(issues)
    for issue in issues["items"]:
        user_data = issue["user"]
        for user_attr in user_data:
            issue["user_" + user_attr] = user_data[user_attr]
        assignee_data = issue["assignee"]
        for assignee_attr in assignee_data:
            issue["assignee_" + assignee_attr] = assignee_data[assignee_attr]
        print ISSUE_TEMPLATE.safe_substitute(issue)

def main(argv):
    # pylint: disable=unused-argument
    issues = get_created_issues_last_days(7)
    print simple_issue_list(issues)

if __name__ == "__main__":
    main(sys.argv[1:])