# Copyright 2015 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


import os
import sys

from fontTools.misc.transform import Transform
from robofab.objects.objectsRF import RPoint

from fontbuild.Build import FontProject
from fontbuild.italics import condenseGlyph
from fontbuild.italics import transformFLGlyphMembers
from fontbuild.mix import Master
from fontbuild.mix import Mix

# The root of the Roboto tree
BASEDIR = os.path.abspath(
    os.path.join(os.path.dirname(__file__), os.pardir))

# Masters

rg = Master("%s/src/v2/Roboto_Regular.ufo" % BASEDIR)
bd = Master("%s/src/v2/Roboto_Bold.ufo" % BASEDIR)
th = Master("%s/src/v2/Roboto_Thin.ufo" % BASEDIR)

# build condensed masters

lessCondensed = (
    "plusminus bracketleft bracketright dieresis macron "
    "percent multiply degree at i j "
    "zero one two three four five six seven eight nine "
    "braceright braceleft").split()
uncondensed = (
    "tonos breve acute grave quotesingle quotedbl asterisk "
    "period currency registered copyright bullet ring degree "
    "dieresis comma bar brokenbar dotaccent dotbelow "
    "colon semicolon uniFFFC uniFFFD uni0488 uni0489 ringbelow "
    "estimated").split()
moreCondensed = "z Z M W A V".split()


def condenseFont(font, scale=.8, stemWidth=185):
    f = font.copy()

    xscale = scale
    CAPS = ("A B C.cn D.cn E F G.cn H I J K L M N O.cn P Q.cn R S T U.cn V W X "
            "Y Z one two three four five six seven eight nine zero").split()
    LC = ("a.cn b.cn c.cn d.cn e.cn f g.cn h i j k l m n o.cn p.cn q.cn r s t "
          "u v w x y z").split()
    # for g in [f[name] for name in LC]:
    for g in f:
        if len(g) > 0:
            # print g.name
            if g.name in lessCondensed:
                scale = xscale * 1.1
            if g.name in uncondensed:
                continue
            if g.name in moreCondensed:
                scale = xscale * .90
            # g2 = condenseGlyph(g, xscale)
            # g.clear()
            # g2.drawPoints(g.getPointPen())
        m = Transform(xscale, 0, 0, 1, 20, 0)
        g.transform(m)
        transformFLGlyphMembers(g, m, transformAnchors=False)
        if g.width != 0:
            g.width += 40
    return f


proj = FontProject(rg.font, BASEDIR, "res/roboto.cfg", th.ffont)
#proj.incrementBuildNumber()

# FAMILYNAME = "Roboto 2 DRAFT"
# FAMILYNAME = "Roboto2"
FAMILYNAME = "Roboto"

proj.buildOTF = True
#proj.autohintOTF = True
proj.buildTTF = True

proj.generateFont(th.font, "%s/Thin/Regular/Th"%FAMILYNAME)
proj.generateFont(Mix([th, rg], 0.45), "%s/Light/Regular/Lt"%FAMILYNAME)
proj.generateFont(Mix([th, rg], RPoint(0.90, 0.92)),
                  "%s/Regular/Regular/Rg"%FAMILYNAME)
proj.generateFont(Mix([rg, bd], 0.35), "%s/Medium/Regular/Lt"%FAMILYNAME)
proj.generateFont(Mix([rg, bd], RPoint(0.73, 0.73)),
                  "%s/Bold/Bold/Rg"%FAMILYNAME)
proj.generateFont(Mix([rg, bd], RPoint(1.125, 1.0)),
                  "%s/Black/Bold/Bk"%FAMILYNAME)

proj.generateFont(th.font, "%s/Thin Italic/Italic/Th"%FAMILYNAME,
                  italic=True, stemWidth=80)
proj.generateFont(Mix([th, rg], 0.45), "%s/Light Italic/Italic/Lt"%FAMILYNAME,
                  italic=True, stemWidth=120)
proj.generateFont(Mix([th, rg], RPoint(0.90, 0.92)),
                  "%s/Italic/Italic/Rg"%FAMILYNAME, italic=True, stemWidth=185)
proj.generateFont(Mix([rg, bd], 0.35), "%s/Medium Italic/Italic/Lt"%FAMILYNAME,
                  italic=True, stemWidth=230)
proj.generateFont(Mix([rg, bd], RPoint(0.73, 0.73)),
                  "%s/Bold Italic/Bold Italic/Rg"%FAMILYNAME,
                  italic=True, stemWidth=290)
proj.generateFont(Mix([rg, bd], RPoint(1.125, 1.0)),
                  "%s/Black Italic/Bold Italic/Bk"%FAMILYNAME,
                  italic=True, stemWidth=290)

thcn1 = Master(condenseFont(th.font, .84, 40))
cn1 = Master(rg.ffont.addDiff(thcn1.ffont, th.ffont))
bdcn1 = Master(bd.ffont.addDiff(thcn1.ffont, th.ffont))

proj.generateFont(Mix([thcn1, cn1], RPoint(0.45, 0.47)),
                  "%s Condensed/Light/Regular/Lt"%FAMILYNAME,
                  swapSuffixes=[".cn"])
proj.generateFont(Mix([thcn1, cn1], RPoint(0.9, 0.92)),
                  "%s Condensed/Regular/Regular/Rg"%FAMILYNAME,
                  swapSuffixes=[".cn"])
proj.generateFont(Mix([cn1, bdcn1], RPoint(0.75, 0.75)),
                  "%s Condensed/Bold/Bold/Rg"%FAMILYNAME,
                  swapSuffixes=[".cn"])

proj.generateFont(Mix([thcn1, cn1], RPoint(0.45, 0.47)),
                  "%s Condensed/Light Italic/Italic/Lt"%FAMILYNAME,
                  italic=True, swapSuffixes=[".cn"], stemWidth=120)
proj.generateFont(Mix([thcn1, cn1], RPoint(0.9, 0.92)),
                  "%s Condensed/Italic/Italic/Rg"%FAMILYNAME,
                  italic=True, swapSuffixes=[".cn"], stemWidth=185)
proj.generateFont(Mix([cn1, bdcn1], RPoint(0.75, 0.75)),
                  "%s Condensed/Bold Italic/Bold Italic/Rg"%FAMILYNAME,
                  italic=True, swapSuffixes=[".cn"], stemWidth=240)

sys.exit(0)
