#! /usr/bin/env python
# -*- coding: utf-8 -*-

import cgi
import os
import sys
import time
import stat
import md5
import random

JOBS_DIR = '/tmp/jobs'

d = cgi.parse_qs(os.environ.get('QUERY_STRING', ''))

if not d:
    print 'Content-type: text/html\n'
    print open('static.html').read()
    sys.exit(0)


print 'Content-type: text/plain\n'

if d.get('cmd') == ['new']:
    try:
        date_val = d.get('date_val')[0]
        start_val = d.get('start_val')[0]
        end_val = d.get('end_val')[0]
        assert date_val
        assert start_val
        assert end_val

        start_time = '%s %s' % (date_val, start_val)
        end_time = '%s %s' % (date_val, end_val)
        try:
            time.strptime(start_time, '%d/%m/%Y %H:%M')
        except ValueError:
            time.strptime(start_time, '%Y-%m-%d %H:%M')
        try:
            time.strptime(end_time, '%d/%m/%Y %H:%M')
        except ValueError:
            time.strptime(end_time, '%Y-%m-%d %H:%M')

        job_number = md5.md5(str(random.random())).hexdigest()
        job_filename = os.path.join(JOBS_DIR, job_number)
        file(job_filename, 'w').write(
                'start: %s %s %s' % (date_val, start_val, end_val))
        os.chmod(job_filename, 0666)
        print 'ok:' + job_number

    except IOError:
        print 'valeur manquante'
    sys.exit(0)

if d.get('cmd') == ['status']:
    job_number = d.get('job')[0]
    job_filename = os.path.join(JOBS_DIR, job_number)
    if not os.path.exists(job_filename):
        print 'error (missing job definition)'
    else:
        fd = open(job_filename)
        cmd = fd.readline()
        secondline = fd.readline()
        first_word = cmd.split(':', 1)[0]
        if secondline:
            print secondline
        elif first_word == 'start':
            print 'commande enregistrée, traitement dans une petite minute ...'
        else:
            print cmd

if d.get('cmd') == ['list']:
    filenames = [os.path.join(os.getcwd(), x) for x in os.listdir(os.getcwd()) if \
                x.endswith('.ogg') or x.endswith('.wav')]
    def cmp_stat(x, y):
        return cmp(os.stat(x)[stat.ST_CTIME], os.stat(y)[stat.ST_CTIME])
    filenames.sort(cmp_stat)
    filenames.reverse()

    for x in filenames:
        print os.path.basename(x)