import time, os, sys, textwrap

black  = 30
red    = 31
green  = 32
yellow = 33
blue   = 34
purple = 35
cyan   = 36
white  = 37

NICKCOLORS = {
    'hpk':       blue,
    'stakkars':  green,
    'pedronis':  cyan,
    'arigo':     purple,
    'arigato':   purple,
    'cfbolz':    red,
    'ericvrp':   blue,
    'mwh':       purple,
    'antocuni':  red,
    'dialtone':  purple,
    'braintone': black,
    'sanxiyn':   green,
    'fijal':     cyan,
    'jgustak':   white,
    'lac':       blue,
    }
def colorof(name):
    if name.startswith('CIA-'):
        return black
    return NICKCOLORS.get(name, yellow)
# ----- below: the coloring algorithm of xchat -----
# ----- but personally I prefer a uniform yellow
#       for all people not usually talking much -----
##def colorof(name, TABLE=[green, red, purple, yellow, green,
##                         cyan, cyan, blue, purple]):
##    sum = 0
##    for c in name:
##        sum += ord(c)
##    sum %= len(TABLE)
##    return TABLE[sum]

def terminal_width():
    # logic taken from py.test.terminal.out
    try:
        fullwidth = int(os.environ.get('COLUMNS', 80))
    except ValueError:
        fullwidth = 80
    try:
        import termios,fcntl,struct
        call = fcntl.ioctl(0,termios.TIOCGWINSZ,"\000"*8)
        height, fullwidth = struct.unpack( "hhhh", call ) [:2]
    except:
        pass
    return fullwidth


def dump_url(url, width=None):
    g = os.popen("lynx -source '%s'" % url, "r")
    dump_file(g, width=width)
    g.close()

def dump_file(g, width=None):
    if width is None:
        width = terminal_width() - 2
    for line in g:
        word1, word2, rest = line.split(' ', 2)
        if word2 == 'Action:':
            word2 = '*'
        indent = len(word1)+1+len(word2)+1
        rest = textwrap.wrap(rest, width = width-indent)
        rest = ('\n' + ' '*indent).join(rest)
        if word2.startswith('<') and word2.endswith('>'):
            nick = word2[1:-1]
        elif word2 == '*':
            nick = rest.split(' ', 1)[0]
        else:
            nick = word2

        color = colorof(nick)
        if nick != word2[1:-1]:
            rest = '\x1b[%sm%s\x1b[0m' % (color, rest)
            # fix for 'less':
            rest = rest.replace('\n', '\x1b[0m\n\x1b[%sm' % (color,))
        word2 = '\x1b[%sm%s' % (color, word2)
        word2 = '\x1b[1m%s\x1b[0m' % word2
        print '%s %s %s' % (word1, word2, rest)

def parse_date(args):
    year, month, day = time.localtime()[:3]
    if args:
        day = int(args.pop(0))
        if args:
            month = int(args.pop(0))
            if args:
                year = int(args.pop(0))
    return (year, month, day)


DEFAULT_URL = 'http://tismerysoft.de/pypy/raw-irc-logs/%(channel)s/%%23%(channel)s.log.%(year)04d%(month)02d%(day)02d'

#CMD = "ssh tismerysoft.de cat irc-logs/%(channel)s/\\\\#%(channel)s.log.%(year)04d%(month)02d%(day)02d"


if __name__ == '__main__':
    args = sys.argv[1:]
    if args and not args[0].isdigit():
        channel = args.pop(0)
    else:
        channel = 'pypy'
    year, month, day = parse_date(args)
    if 'DEFAULT_URL' in globals():
        url = DEFAULT_URL % locals()
        print url
        sys.stdout.flush()
        dump_url(url)
    else:
        cmd = CMD % locals()
        print cmd
        sys.stdout.flush()
        g = os.popen(cmd, 'r')
        dump_file(g)
        g.close()