#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright (C) 2017 The Qt Company Ltd.
# Contact: http://www.qt.io/licensing/
#
# You may use this file under the terms of the CC0 license.
# See the file LICENSE.CC0 from this package for details.

from email.parser import HeaderParser
from glob import glob
import os.path

class RootQuip (dict):
    def __init__(self, files):
        parser = HeaderParser()
        for quip in files:
            with open(quip, 'r') as quipfp:
                self[quip] = parser.parse(quipfp)

    def last_name(names): # tool function for owners; not a method
        while names and names[-1].startswith('<') and names[-1].endswith('>'):
            names.pop()
        return names[-1]

    @staticmethod
    def owners(authors, final=last_name):
        return ', '.join(final(s) for s in (a.split() for a in authors.split(',')))
    del last_name

    def quip_entries(self):
        fmt = ' <tr><td>%4s</td><td><a href="quip-%04d.html">%04d</a></td><td>%s</td><td>%s</td></tr>'
        for filename in sorted(self):
            q = self[filename]
            num = int(q['QUIP'])
            yield fmt % (q['Type'][:4], num, num, q['Title'], self.owners(q['Author']))

    preamble = """\
QUIP: 0
Title: QUIP Index
Author: Louai Al-Khanji, Edward Welbourne
Status: Active
Type: Informational
Created: 2016-09-16
Post-History: 2017-03-15

QUIP Index
==========

This QUIP contains the index of all finalized Qt User-Submitted
Improvement Proposals, known as QUIPs.  A list of reviews of quip
module changes, including any QUIPs under development, can be found in
the code-review listing [0]_.

The following QUIPs exist:

.. raw:: html

 <table>
 <tr><th>type</th><th>number</th><th>title</th><th>owners</th></tr>
"""

    endpiece = """\
 </table>

.. [0] https://codereview.qt-project.org/#/q/project:meta/quips,n,z
"""

    def compose_body(self):
        return self.preamble + '\n'.join(self.quip_entries()) + self.endpiece

if __name__ == '__main__':
    import sys
    print RootQuip(sys.argv[1:]).compose_body()