import os
import sys
from os.path import dirname, abspath, basename, splitext, join as pathjoin

import pygit2
from bottle import route, run, static_file, redirect

HERE = dirname(abspath(__file__))
ROOT = dirname(HERE)
STATIC = pathjoin(HERE, 'static')
REPOS = {}

def populate_repos(repos_root):
    for dirpath, dirnames, filenames in os.walk(repos_root):

        def add_entry():
            REPOS[splitext(basename(dirpath))[0]] = \
                pygit2.Repository(pathjoin(dirpath, dirname))

        if dirpath == '.git':
            add_entry()
            dirnames[:] = []
        for dirname in dirnames[:]:
            if dirname == '.git':
                add_entry()


populate_repos(sys.argv[1] if sys.argv[1:] else ROOT)


@route('/')
def root_index():
    return {}


@route('/repos')
def repos():
    return dict((
        (key, value.workdir) for key, value in REPOS.copy().items()
    ))


@route('/repos/<name>')
def repo(name):
    return {'path': REPOS.get(name, '???').workdir}


if __name__ == '__main__':
    run(host='0.0.0.0', port=5757)