#!/usr/bin/env python3
from os import environ
from re import findall, match
from sys import argv

ESCAPES = {
    'default': '\033]4;{};rgb:{}/{}/{}\033\\',
    'screen':  '\033P\033]4;{};rgb:{}/{}/{}\007\033\\',
    'tmux':    '\033Ptmux;\033\033]4;{};rgb:{}/{}/{}\007\033\\'
}

COLOURS = {
    'default': (
        ('16',  '#000000'), ('17',  '#00005f'), ('18',  '#000087'),
        ('19',  '#0000af'), ('20',  '#0000d7'), ('21',  '#0000ff'),
        ('22',  '#005f00'), ('23',  '#005f5f'), ('24',  '#005f87'),
        ('25',  '#005faf'), ('26',  '#005fd7'), ('27',  '#005fff'),
        ('28',  '#008700'), ('29',  '#00875f'), ('30',  '#008787'),
        ('31',  '#0087af'), ('32',  '#0087d7'), ('33',  '#0087ff'),
        ('34',  '#00af00'), ('35',  '#00af5f'), ('36',  '#00af87'),
        ('37',  '#00afaf'), ('38',  '#00afd7'), ('39',  '#00afff'),
        ('40',  '#00d700'), ('41',  '#00d75f'), ('42',  '#00d787'),
        ('43',  '#00d7af'), ('44',  '#00d7d7'), ('45',  '#00d7ff'),
        ('46',  '#00ff00'), ('47',  '#00ff5f'), ('48',  '#00ff87'),
        ('49',  '#00ffaf'), ('50',  '#00ffd7'), ('51',  '#00ffff'),
        ('52',  '#5f0000'), ('53',  '#5f005f'), ('54',  '#5f0087'),
        ('55',  '#5f00af'), ('56',  '#5f00d7'), ('57',  '#5f00ff'),
        ('58',  '#5f5f00'), ('59',  '#5f5f5f'), ('60',  '#5f5f87'),
        ('61',  '#5f5faf'), ('62',  '#5f5fd7'), ('63',  '#5f5fff'),
        ('64',  '#5f8700'), ('65',  '#5f875f'), ('66',  '#5f8787'),
        ('67',  '#5f87af'), ('68',  '#5f87d7'), ('69',  '#5f87ff'),
        ('70',  '#5faf00'), ('71',  '#5faf5f'), ('72',  '#5faf87'),
        ('73',  '#5fafaf'), ('74',  '#5fafd7'), ('75',  '#5fafff'),
        ('76',  '#5fd700'), ('77',  '#5fd75f'), ('78',  '#5fd787'),
        ('79',  '#5fd7af'), ('80',  '#5fd7d7'), ('81',  '#5fd7ff'),
        ('82',  '#5fff00'), ('83',  '#5fff5f'), ('84',  '#5fff87'),
        ('85',  '#5fffaf'), ('86',  '#5fffd7'), ('87',  '#5fffff'),
        ('88',  '#870000'), ('89',  '#87005f'), ('90',  '#870087'),
        ('91',  '#8700af'), ('92',  '#8700d7'), ('93',  '#8700ff'),
        ('94',  '#875f00'), ('95',  '#875f5f'), ('96',  '#875f87'),
        ('97',  '#875faf'), ('98',  '#875fd7'), ('99',  '#875fff'),
        ('100', '#878700'), ('101', '#87875f'), ('102', '#878787'),
        ('103', '#8787af'), ('104', '#8787d7'), ('105', '#8787ff'),
        ('106', '#87af00'), ('107', '#87af5f'), ('108', '#87af87'),
        ('109', '#87afaf'), ('110', '#87afd7'), ('111', '#87afff'),
        ('112', '#87d700'), ('113', '#87d75f'), ('114', '#87d787'),
        ('115', '#87d7af'), ('116', '#87d7d7'), ('117', '#87d7ff'),
        ('118', '#87ff00'), ('119', '#87ff5f'), ('120', '#87ff87'),
        ('121', '#87ffaf'), ('122', '#87ffd7'), ('123', '#87ffff'),
        ('124', '#af0000'), ('125', '#af005f'), ('126', '#af0087'),
        ('127', '#af00af'), ('128', '#af00d7'), ('129', '#af00ff'),
        ('130', '#af5f00'), ('131', '#af5f5f'), ('132', '#af5f87'),
        ('133', '#af5faf'), ('134', '#af5fd7'), ('135', '#af5fff'),
        ('136', '#af8700'), ('137', '#af875f'), ('138', '#af8787'),
        ('139', '#af87af'), ('140', '#af87d7'), ('141', '#af87ff'),
        ('142', '#afaf00'), ('143', '#afaf5f'), ('144', '#afaf87'),
        ('145', '#afafaf'), ('146', '#afafd7'), ('147', '#afafff'),
        ('148', '#afd700'), ('149', '#afd75f'), ('150', '#afd787'),
        ('151', '#afd7af'), ('152', '#afd7d7'), ('153', '#afd7ff'),
        ('154', '#afff00'), ('155', '#afff5f'), ('156', '#afff87'),
        ('157', '#afffaf'), ('158', '#afffd7'), ('159', '#afffff'),
        ('160', '#d70000'), ('161', '#d7005f'), ('162', '#d70087'),
        ('163', '#d700af'), ('164', '#d700d7'), ('165', '#d700ff'),
        ('166', '#d75f00'), ('167', '#d75f5f'), ('168', '#d75f87'),
        ('169', '#d75faf'), ('170', '#d75fd7'), ('171', '#d75fff'),
        ('172', '#d78700'), ('173', '#d7875f'), ('174', '#d78787'),
        ('175', '#d787af'), ('176', '#d787d7'), ('177', '#d787ff'),
        ('178', '#d7af00'), ('179', '#d7af5f'), ('180', '#d7af87'),
        ('181', '#d7afaf'), ('182', '#d7afd7'), ('183', '#d7afff'),
        ('184', '#d7d700'), ('185', '#d7d75f'), ('186', '#d7d787'),
        ('187', '#d7d7af'), ('188', '#d7d7d7'), ('189', '#d7d7ff'),
        ('190', '#d7ff00'), ('191', '#d7ff5f'), ('192', '#d7ff87'),
        ('193', '#d7ffaf'), ('194', '#d7ffd7'), ('195', '#d7ffff'),
        ('196', '#ff0000'), ('197', '#ff005f'), ('198', '#ff0087'),
        ('199', '#ff00af'), ('200', '#ff00d7'), ('201', '#ff00ff'),
        ('202', '#ff5f00'), ('203', '#ff5f5f'), ('204', '#ff5f87'),
        ('205', '#ff5faf'), ('206', '#ff5fd7'), ('207', '#ff5fff'),
        ('208', '#ff8700'), ('209', '#ff875f'), ('210', '#ff8787'),
        ('211', '#ff87af'), ('212', '#ff87d7'), ('213', '#ff87ff'),
        ('214', '#ffaf00'), ('215', '#ffaf5f'), ('216', '#ffaf87'),
        ('217', '#ffafaf'), ('218', '#ffafd7'), ('219', '#ffafff'),
        ('220', '#ffd700'), ('221', '#ffd75f'), ('222', '#ffd787'),
        ('223', '#ffd7af'), ('224', '#ffd7d7'), ('225', '#ffd7ff'),
        ('226', '#ffff00'), ('227', '#ffff5f'), ('228', '#ffff87'),
        ('229', '#ffffaf'), ('230', '#ffffd7'), ('231', '#ffffff'),
        ('232', '#080808'), ('233', '#121212'), ('234', '#1c1c1c'),
        ('235', '#262626'), ('236', '#303030'), ('237', '#3a3a3a'),
        ('238', '#444444'), ('239', '#4e4e4e'), ('240', '#585858'),
        ('241', '#606060'), ('242', '#666666'), ('243', '#767676'),
        ('244', '#808080'), ('245', '#8a8a8a'), ('246', '#949494'),
        ('247', '#9e9e9e'), ('248', '#a8a8a8'), ('249', '#b2b2b2'),
        ('250', '#bcbcbc'), ('251', '#c6c6c6'), ('252', '#d0d0d0'),
        ('253', '#dadada'), ('254', '#e4e4e4'), ('255', '#eeeeee')
    ),
    'gruvbox': (
        ('24',  '#076678'), ('66',  '#427b58'), ('72',  '#689d6a'),
        ('88',  '#9d0006'), ('96',  '#8f3f71'), ('100', '#79740e'),
        ('106', '#98971a'), ('108', '#8ec07c'), ('109', '#83a598'),
        ('124', '#cc241d'), ('130', '#af3a03'), ('132', '#b16286'),
        ('136', '#b57614'), ('142', '#b8bb26'), ('166', '#d65d0e'),
        ('167', '#fb4934'), ('172', '#d79921'), ('175', '#d3869b'),
        ('208', '#fe8019'), ('214', '#fabd2f'), ('223', '#ebdbb2'),
        ('228', '#f2e5bc'), ('229', '#fdf4c1'), ('230', '#f9f5d7'),
        ('234', '#1d2021'), ('235', '#282828'), ('236', '#32302f'),
        ('237', '#3c3836'), ('239', '#504945'), ('241', '#665c54'),
        ('243', '#7c6f64'), ('244', '#928374'), ('245', '#928374'),
        ('246', '#a89984'), ('248', '#bdae93'), ('250', '#d5c4a1')
    ),
    'gotham256': (
        ('17',  '#091f2e'), ('18',  '#0a3749'), ('24',  '#245361'),
        ('44',  '#33859E'), ('60',  '#4e5166'), ('67',  '#888ca6'),
        ('78',  '#2aa889'), ('81',  '#599cab'), ('122', '#99d1ce'),
        ('124', '#c23127'), ('194', '#d3ebe9'), ('214', '#edb443'),
        ('232', '#0c1014'), ('233', '#11151c')
    )
}

try:
    environ['TMUX']
    terminal = 'tmux'
except KeyError:
    if match('screen', environ['TERM']):
        terminal = 'screen'
    else:
        terminal = 'default'

if len(argv) == 1:
    colorscheme = 'default'
else:
    colorscheme = argv[1]

for colour in COLOURS[colorscheme]:
    rgb = findall('[0-9a-fA-F]{2}', colour[1])
    print(ESCAPES[terminal].format(colour[0], *rgb), end='')