#!/usr/bin/env python
import argparse
import datetime
import jinja2
import os
import subprocess
import teamanalysis.git
import teamanalysis.repos
import teamanalysis.time
import webbrowser

def _get_commits(repo, start, end):
    abspath = '/Users/eliribble/src/{}/'.format(repo)
    os.chdir(abspath)
    command = [
            'git',
            'log',
            '--pretty=format:"%h %aI"',
            '--after={}'.format(start.isoformat()),
            '--before={}'.format(end.isoformat())]
    output = subprocess.check_output(command)
    return output

def _show_summary(timepoint):
    start, end = teamanalysis.time.get_checkpoint(timepoint)
    results = {}
    for repo in teamanalysis.repos.REPOSITORIES:
        output = _get_commits(repo, start, end)
        lines = output.split('\n')
        results[repo] = len(lines) if output else 0
        #print("{0:<30}: {1}".format(repo, results[repo]))
    print("{}\t{}\t{}".format(start.date().isoformat(), end.date().isoformat(), sum(results.values())))

def main():
    timepoint = datetime.datetime(2014, 1, 1, 0, 0, 1)
    while timepoint < datetime.datetime.utcnow():
        _show_summary(timepoint)
        timepoint = timepoint + datetime.timedelta(days=7)

if __name__ == '__main__':
    main()