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

import sys

from gotovienna import argparse
from gotovienna.utils import *
from gotovienna.routing import *

parser = argparse.ArgumentParser(description='Get public transport route for Vienna')
parser.add_argument('-ot', metavar='type', type=str, 
                    help='origin type: %s' % ' | '.join(POSITION_TYPES), 
                    default=None, choices=POSITION_TYPES)
parser.add_argument('-dt', metavar='type', type=str, 
                    help='destination type: %s' % ' | '.join(POSITION_TYPES), 
                    default=None, choices=POSITION_TYPES)
parser.add_argument('origin', nargs='?', 
                    help='origin station name')
parser.add_argument('destination', nargs='?', 
                    help='destination station name')

args = parser.parse_args()

if not args.origin:
    args.origin = raw_input('Origin: ')

if not args.destination:
    args.destination = raw_input('Destination: ')

def do_search(args):
    if isinstance(args.origin, unicode):
        args.origin = args.origin.encode('utf-8', 'ignore')
    elif isinstance(args.destination, unicode):
        args.destination = args.destination.encode('utf-8', 'ignore')

    result = search((args.origin, args.ot),
            (args.destination, args.dt))

    return sParser(result.read())

print >>sys.stderr, 'Searching...\n',
parser = do_search(args)
print >>sys.stderr, 'done.'

while parser.state == PageType.CORRECTION:
    origin_corr, destination_corr = parser.get_correction()

    if origin_corr:
        print
        print '* Origin ambiguous:'
        lo = None
        while not lo or not lo.isdigit() or int(lo) > len(origin_corr):
            for idx, correction in enumerate(origin_corr):
                print '%3d. %s' % (idx+1, correction)
            lo = sys.stdin.readline().strip()

        args.origin = origin_corr[int(lo) - 1]

    if destination_corr:
        print
        print '* Destination ambiguous:'
        ld = None
        while not ld or not ld.isdigit() or int(ld) > len(destination_corr):
            for idx, correction in enumerate(destination_corr):
                print '%3d. %s' % (idx+1, correction)
            ld = sys.stdin.readline().strip()

        args.destination = destination_corr[int(ld) - 1]

    parser = do_search(args)

if parser.state == PageType.RESULT:
    parser = parser.get_result()
    overviews = parser.overview
    details = parser.details
    l = ''
    while not l == 'q':
        for idx, overview in enumerate(overviews):
            timespan = overview['timespan']
            if not timespan:
                # XXX: Bogus data for e.g. Pilgramgasse->Karlsplatz?!
                continue
            
            str_timespan = timespan[0].strftime('[%Y-%d-%m] %H:%M')
            str_timespan += '-' + timespan[1].strftime('%H:%M')
            timedelta = timespan[1] - timespan[0]
            print '%d. %s (%s)' % (idx + 1,
                    str_timespan,
                    timedelta)
        
        print 'q. Quit'
        l = sys.stdin.readline().strip()
        print
        print '~' * 79

        if l.isdigit() and int(l) <= len(details):
            for detail in details[int(l) - 1]:
                if detail['timespan'] and detail['station']:
                    time = '%s - %s' % (detail['timespan'][0].strftime(TIMEFORMAT), 
                                        detail['timespan'][1].strftime(TIMEFORMAT))
                    print '[%s] %s\n%s' % (time, 
                                           ' -> '.join(detail['station']), 
                                           '\n'.join(detail['info']))
                else:
                    print '\n'.join(detail['info'])
                print '-' * 79
        print
else:
    print 'Error - unknown page returned.'