import requests
import sys

username='xxxxx'
password='xxxxx'
base_url='https://alt-jira.rl.lan/rest/api/2/{}{}'

undesirable_text='The sample has been overridden'

class Comment(object):

        def __init__(self, author='', text=''):
                self._author = author
                self._text = text

        @property
        def author(self):
                return self._author

        @author.setter
        def author(self, author):
                self._author = author


        @property
        def text(self):
                return self._text

        @text.setter
        def text(self, text):
                self._text = text


class JiraTicket(object):

        def __init__(self, parent='', summary='', comments=[]):
                self._parent = parent
                self._summary = summary
                self._comments = comments

        @property
        def parent(self):
                return self._parent

        @parent.setter
        def parent(self, parent):
                self._parent = parent

        @property
        def summary(self):
                return self._summary

        @summary.setter
        def summary(self, summary):

        @comments.setter
        def comments(self, comments):
                self._comments = comments

def generate_mail_body(jira_ticket):
        headers = {'content-type': 'application/json', 'Accept-Charset': 'UTF-8'}
        url = base_url.format('search?jql=parent=', jira_ticket)
        r=requests.get(url, auth=(username, password), headers=headers)
        if r.status_code != 200:
                print 'Some error occured. Please check your credentials and ticket issue key.'
                exit(1)
        json = r.json()
        issues = {}

        ticket = JiraTicket(parent=jira_ticket)

        for issue in json.get('issues'):
                issues[issue.get('key')] = issue.get('fields').get('summary')


        tickets = []

        for issue_key, summary in issues.items():
                url = base_url.format('issue/', issue_key + '/comment')
                r=requests.get(url, auth=(username, password), headers=headers)
                json = r.json()
                comments = []
                for comment in json.get('comments'):
                        author = comment.get('author').get('displayName')
                        text = comment.get('body')
                        if text.startswith(undesirable_text):
                                continue
                        comments.append(Comment(author, text))

                ticket = JiraTicket(parent=jira_ticket, summary=summary, comments = comments[:])
                tickets.append(ticket)
        for ticket in tickets:
                print(ticket.summary)
                for comment in ticket.comments:
                        print(comment.author)
                        print(comment.text)

                print('')

if __name__ == '__main__':
        if len(sys.argv) !=2:
                print 'You must provide a parrent issue key as an argument!'
                exit(1)
        generate_mail_body(sys.argv[1])