# -*- coding: utf-8 -*-
# This file is part of CairoSVG
# Copyright © 2010-2012 Kozea
#
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This library is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with CairoSVG.  If not, see <http://www.gnu.org/licenses/>.

"""
SVG colors.

"""


COLORS = {
    "aliceblue": "rgb(240, 248, 255)",
    "antiquewhite": "rgb(250, 235, 215)",
    "aqua": "rgb(0, 255, 255)",
    "aquamarine": "rgb(127, 255, 212)",
    "azure": "rgb(240, 255, 255)",
    "beige": "rgb(245, 245, 220)",
    "bisque": "rgb(255, 228, 196)",
    "black": "rgb(0, 0, 0)",
    "blanchedalmond": "rgb(255, 235, 205)",
    "blue": "rgb(0, 0, 255)",
    "blueviolet": "rgb(138, 43, 226)",
    "brown": "rgb(165, 42, 42)",
    "burlywood": "rgb(222, 184, 135)",
    "cadetblue": "rgb(95, 158, 160)",
    "chartreuse": "rgb(127, 255, 0)",
    "chocolate": "rgb(210, 105, 30)",
    "coral": "rgb(255, 127, 80)",
    "cornflowerblue": "rgb(100, 149, 237)",
    "cornsilk": "rgb(255, 248, 220)",
    "crimson": "rgb(220, 20, 60)",
    "cyan": "rgb(0, 255, 255)",
    "darkblue": "rgb(0, 0, 139)",
    "darkcyan": "rgb(0, 139, 139)",
    "darkgoldenrod": "rgb(184, 134, 11)",
    "darkgray": "rgb(169, 169, 169)",
    "darkgreen": "rgb(0, 100, 0)",
    "darkgrey": "rgb(169, 169, 169)",
    "darkkhaki": "rgb(189, 183, 107)",
    "darkmagenta": "rgb(139, 0, 139)",
    "darkolivegreen": "rgb(85, 107, 47)",
    "darkorange": "rgb(255, 140, 0)",
    "darkorchid": "rgb(153, 50, 204)",
    "darkred": "rgb(139, 0, 0)",
    "darksalmon": "rgb(233, 150, 122)",
    "darkseagreen": "rgb(143, 188, 143)",
    "darkslateblue": "rgb(72, 61, 139)",
    "darkslategray": "rgb(47, 79, 79)",
    "darkslategrey": "rgb(47, 79, 79)",
    "darkturquoise": "rgb(0, 206, 209)",
    "darkviolet": "rgb(148, 0, 211)",
    "deeppink": "rgb(255, 20, 147)",
    "deepskyblue": "rgb(0, 191, 255)",
    "dimgray": "rgb(105, 105, 105)",
    "dimgrey": "rgb(105, 105, 105)",
    "dodgerblue": "rgb(30, 144, 255)",
    "firebrick": "rgb(178, 34, 34)",
    "floralwhite": "rgb(255, 250, 240)",
    "forestgreen": "rgb(34, 139, 34)",
    "fuchsia": "rgb(255, 0, 255)",
    "gainsboro": "rgb(220, 220, 220)",
    "ghostwhite": "rgb(248, 248, 255)",
    "gold": "rgb(255, 215, 0)",
    "goldenrod": "rgb(218, 165, 32)",
    "gray": "rgb(128, 128, 128)",
    "grey": "rgb(128, 128, 128)",
    "green": "rgb(0, 128, 0)",
    "greenyellow": "rgb(173, 255, 47)",
    "honeydew": "rgb(240, 255, 240)",
    "hotpink": "rgb(255, 105, 180)",
    "indianred": "rgb(205, 92, 92)",
    "indigo": "rgb(75, 0, 130)",
    "ivory": "rgb(255, 255, 240)",
    "khaki": "rgb(240, 230, 140)",
    "lavender": "rgb(230, 230, 250)",
    "lavenderblush": "rgb(255, 240, 245)",
    "lawngreen": "rgb(124, 252, 0)",
    "lemonchiffon": "rgb(255, 250, 205)",
    "lightblue": "rgb(173, 216, 230)",
    "lightcoral": "rgb(240, 128, 128)",
    "lightcyan": "rgb(224, 255, 255)",
    "lightgoldenrodyellow": "rgb(250, 250, 210)",
    "lightgray": "rgb(211, 211, 211)",
    "lightgreen": "rgb(144, 238, 144)",
    "lightgrey": "rgb(211, 211, 211)",
    "lightpink": "rgb(255, 182, 193)",
    "lightsalmon": "rgb(255, 160, 122)",
    "lightseagreen": "rgb(32, 178, 170)",
    "lightskyblue": "rgb(135, 206, 250)",
    "lightslategray": "rgb(119, 136, 153)",
    "lightslategrey": "rgb(119, 136, 153)",
    "lightsteelblue": "rgb(176, 196, 222)",
    "lightyellow": "rgb(255, 255, 224)",
    "lime": "rgb(0, 255, 0)",
    "limegreen": "rgb(50, 205, 50)",
    "linen": "rgb(250, 240, 230)",
    "magenta": "rgb(255, 0, 255)",
    "maroon": "rgb(128, 0, 0)",
    "mediumaquamarine": "rgb(102, 205, 170)",
    "mediumblue": "rgb(0, 0, 205)",
    "mediumorchid": "rgb(186, 85, 211)",
    "mediumpurple": "rgb(147, 112, 219)",
    "mediumseagreen": "rgb(60, 179, 113)",
    "mediumslateblue": "rgb(123, 104, 238)",
    "mediumspringgreen": "rgb(0, 250, 154)",
    "mediumturquoise": "rgb(72, 209, 204)",
    "mediumvioletred": "rgb(199, 21, 133)",
    "midnightblue": "rgb(25, 25, 112)",
    "mintcream": "rgb(245, 255, 250)",
    "mistyrose": "rgb(255, 228, 225)",
    "moccasin": "rgb(255, 228, 181)",
    "navajowhite": "rgb(255, 222, 173)",
    "navy": "rgb(0, 0, 128)",
    "oldlace": "rgb(253, 245, 230)",
    "olive": "rgb(128, 128, 0)",
    "olivedrab": "rgb(107, 142, 35)",
    "orange": "rgb(255, 165, 0)",
    "orangered": "rgb(255, 69, 0)",
    "orchid": "rgb(218, 112, 214)",
    "palegoldenrod": "rgb(238, 232, 170)",
    "palegreen": "rgb(152, 251, 152)",
    "paleturquoise": "rgb(175, 238, 238)",
    "palevioletred": "rgb(219, 112, 147)",
    "papayawhip": "rgb(255, 239, 213)",
    "peachpuff": "rgb(255, 218, 185)",
    "peru": "rgb(205, 133, 63)",
    "pink": "rgb(255, 192, 203)",
    "plum": "rgb(221, 160, 221)",
    "powderblue": "rgb(176, 224, 230)",
    "purple": "rgb(128, 0, 128)",
    "red": "rgb(255, 0, 0)",
    "rosybrown": "rgb(188, 143, 143)",
    "royalblue": "rgb(65, 105, 225)",
    "saddlebrown": "rgb(139, 69, 19)",
    "salmon": "rgb(250, 128, 114)",
    "sandybrown": "rgb(244, 164, 96)",
    "seagreen": "rgb(46, 139, 87)",
    "seashell": "rgb(255, 245, 238)",
    "sienna": "rgb(160, 82, 45)",
    "silver": "rgb(192, 192, 192)",
    "skyblue": "rgb(135, 206, 235)",
    "slateblue": "rgb(106, 90, 205)",
    "slategray": "rgb(112, 128, 144)",
    "slategrey": "rgb(112, 128, 144)",
    "snow": "rgb(255, 250, 250)",
    "springgreen": "rgb(0, 255, 127)",
    "steelblue": "rgb(70, 130, 180)",
    "tan": "rgb(210, 180, 140)",
    "teal": "rgb(0, 128, 128)",
    "thistle": "rgb(216, 191, 216)",
    "tomato": "rgb(255, 99, 71)",
    "turquoise": "rgb(64, 224, 208)",
    "violet": "rgb(238, 130, 238)",
    "wheat": "rgb(245, 222, 179)",
    "white": "rgb(255, 255, 255)",
    "whitesmoke": "rgb(245, 245, 245)",
    "yellow": "rgb(255, 255, 0)",
    "yellowgreen": "rgb(154, 205, 50)",

    "activeborder": "#0000ff",
    "activecaption": "#0000ff",
    "appworkspace": "#ffffff",
    "background": "#ffffff",
    "buttonface": "#000000",
    "buttonhighlight": "#cccccc",
    "buttonshadow": "#333333",
    "buttontext": "#000000",
    "captiontext": "#000000",
    "graytext": "#333333",
    "highlight": "#0000ff",
    "highlighttext": "#cccccc",
    "inactiveborder": "#333333",
    "inactivecaption": "#cccccc",
    "inactivecaptiontext": "#333333",
    "infobackground": "#cccccc",
    "infotext": "#000000",
    "menu": "#cccccc",
    "menutext": "#333333",
    "scrollbar": "#cccccc",
    "threeddarkshadow": "#333333",
    "threedface": "#cccccc",
    "threedhighlight": "#ffffff",
    "threedlightshadow": "#333333",
    "threedshadow": "#333333",
    "window": "#cccccc",
    "windowframe": "#cccccc",
    "windowtext": "#000000"}


def color(string=None, opacity=1):
    """Replace ``string`` representing a color by a RGBA tuple."""
    if not string or string in ("none", "transparent"):
        return (0, 0, 0, 0)

    string = string.strip().lower()

    if string in COLORS:
        string = COLORS[string]

    if string.startswith("rgba"):
        r, g, b, a = tuple(
            float(i.strip(" %")) * 2.55 if "%" in i else float(i)
            for i in string.strip(" rgba()").split(","))
        return r / 255, g / 255, b / 255, a * opacity
    elif string.startswith("rgb"):
        r, g, b = tuple(
            float(i.strip(" %")) / 100 if "%" in i else float(i) / 255
            for i in string.strip(" rgb()").split(","))
        return r, g, b, opacity

    if len(string) in (4, 5):
        string = "#" + "".join(2 * char for char in string[1:])
    if len(string) == 9:
        opacity *= int(string[7:9], 16) / 255

    try:
        plain_color = tuple(
            int(value, 16) / 255. for value in (
                string[1:3], string[3:5], string[5:7]))
    except ValueError:
        # Unknown color, return black
        return (0, 0, 0, 1)
    else:
        return plain_color + (opacity,)