# Copyright 2021 The Cobalt Authors. 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.

declare_args() {
  # See content/fonts/README.md for details on the specific values used for the
  # variables below.
  cobalt_font_package = "standard"
  cobalt_font_package_override_named_sans_serif = -1
  cobalt_font_package_override_named_serif = -1
  cobalt_font_package_override_named_fcc_fonts = -1
  cobalt_font_package_override_fallback_lang_non_cjk = -1
  cobalt_font_package_override_fallback_lang_cjk = -1
  cobalt_font_package_override_fallback_lang_cjk_low_quality = -1
  cobalt_font_package_override_fallback_historic = -1
  cobalt_font_package_override_fallback_color_emoji = -1
  cobalt_font_package_override_fallback_emoji = -1
  cobalt_font_package_override_fallback_symbols = -1

  source_font_files_dir = "font_files"
  copy_font_files = true
}

if (cobalt_font_package == "standard") {
  declare_args() {
    source_font_config_dir = "config/common"
    package_named_sans_serif = 4
    package_named_serif = 3
    package_named_fcc_fonts = 2
    package_fallback_lang_non_cjk = 2
    package_fallback_lang_cjk = 1
    package_fallback_lang_cjk_low_quality = 0
    package_fallback_historic = 1
    package_fallback_color_emoji = 1
    package_fallback_emoji = 0
    package_fallback_symbols = 1
  }
} else if (cobalt_font_package == "limited") {
  declare_args() {
    source_font_config_dir = "config/common"
    package_named_sans_serif = 2
    package_named_serif = 0
    package_named_fcc_fonts = 0
    package_fallback_lang_non_cjk = 1
    package_fallback_lang_cjk = 0
    package_fallback_lang_cjk_low_quality = 1
    package_fallback_historic = 0
    package_fallback_color_emoji = 0
    package_fallback_emoji = 1
    package_fallback_symbols = 1
  }
} else if (cobalt_font_package == "minimal") {
  declare_args() {
    source_font_config_dir = "config/common"
    package_named_sans_serif = 0
    package_named_serif = 0
    package_named_fcc_fonts = 0
    package_fallback_lang_non_cjk = 0
    package_fallback_lang_cjk = 0
    package_fallback_lang_cjk_low_quality = 0
    package_fallback_historic = 0
    package_fallback_color_emoji = 0
    package_fallback_emoji = 0
    package_fallback_symbols = 0
  }
} else if (cobalt_font_package == "empty") {
  declare_args() {
    source_font_config_dir = "config/empty"
    package_named_sans_serif = 0
    package_named_serif = 0
    package_named_fcc_fonts = 0
    package_fallback_lang_non_cjk = 0
    package_fallback_lang_cjk = 0
    package_fallback_lang_cjk_low_quality = 0
    package_fallback_historic = 0
    package_fallback_color_emoji = 0
    package_fallback_emoji = 0
    package_fallback_symbols = 0
  }
} else if (cobalt_font_package == "android_system") {
  # fonts.xml contains a superset of what we expect to find on Android
  # devices. The Android SbFile implementation falls back to system font
  # files for those not in cobalt content.
  declare_args() {
    source_font_config_dir = "config/android"
    package_named_sans_serif = 0
    package_named_serif = 0
    package_named_fcc_fonts = 0
    package_fallback_lang_non_cjk = 0
    package_fallback_lang_cjk = 0
    package_fallback_lang_cjk_low_quality = 0
    package_fallback_historic = 0
    package_fallback_color_emoji = 0
    package_fallback_emoji = 0
    package_fallback_symbols = 0
  }

  # Don't copy font files for Android since it falls back to system
  # font files for everything listed in fonts.xml.
  copy_font_files = false
}

if (cobalt_font_package_override_named_sans_serif >= 0) {
  package_named_sans_serif = cobalt_font_package_override_named_sans_serif
}
if (cobalt_font_package_override_named_serif >= 0) {
  package_named_serif = cobalt_font_package_override_named_serif
}
if (cobalt_font_package_override_named_fcc_fonts >= 0) {
  package_named_fcc_fonts = cobalt_font_package_override_named_fcc_fonts
}
if (cobalt_font_package_override_fallback_lang_non_cjk >= 0) {
  package_fallback_lang_non_cjk =
      cobalt_font_package_override_fallback_lang_non_cjk
}
if (cobalt_font_package_override_fallback_lang_cjk >= 0) {
  package_fallback_lang_cjk = cobalt_font_package_override_fallback_lang_cjk
}
if (cobalt_font_package_override_fallback_lang_cjk_low_quality >= 0) {
  package_fallback_lang_cjk_low_quality =
      cobalt_font_package_override_fallback_lang_cjk_low_quality
}
if (cobalt_font_package_override_fallback_historic >= 0) {
  package_fallback_historic = cobalt_font_package_override_fallback_historic
}
if (cobalt_font_package_override_fallback_color_emoji >= 0) {
  package_fallback_color_emoji =
      cobalt_font_package_override_fallback_color_emoji
}
if (cobalt_font_package_override_fallback_emoji >= 0) {
  package_fallback_emoji = cobalt_font_package_override_fallback_emoji
}
if (cobalt_font_package_override_fallback_symbols >= 0) {
  package_fallback_symbols = cobalt_font_package_override_fallback_symbols
}

package_categories = [
  "sans-serif=${package_named_sans_serif}",
  "serif=${package_named_serif}",
  "fcc-captions=${package_named_fcc_fonts}",
  "fallback-lang-non-cjk=${package_fallback_lang_non_cjk}",
  "fallback-lang-cjk=${package_fallback_lang_cjk}",
  "fallback-lang-cjk-low-quality=${package_fallback_lang_cjk_low_quality}",
  "fallback-historic=${package_fallback_historic}",
  "fallback-color-emoji=${package_fallback_color_emoji}",
  "fallback-emoji=${package_fallback_emoji}",
  "fallback-symbols=${package_fallback_symbols}",
]