class Leptonica < Formula
  desc "Image processing and image analysis library"
  homepage "http://www.leptonica.org/"
  url "http://www.leptonica.org/source/leptonica-1.78.0.tar.gz"
  sha256 "e2ed2e81e7a22ddf45d2c05f0bc8b9ae7450545d995bfe28517ba408d14a5a88"

  bottle do
    cellar :any
    sha256 "534b5e4c96c34aed7f2e3dd9ffc046fd49a9a015a1ed0c2f1859d2cc182ed66e" => :mojave
    sha256 "ca7ccc979d58c3586d74169c5dbd537976f2ec9a41bd16effaec418fb03ecfc0" => :high_sierra
    sha256 "9f14866468766e9b7344b18c6d530f6cbb88919e2b3d25dad248f2e049f7bd3a" => :sierra
  end

  depends_on "pkg-config" => :build
  depends_on "giflib"
  depends_on "jpeg"
  depends_on "libpng"
  depends_on "libtiff"
  depends_on "openjpeg"
  depends_on "webp"

  def install
    args = %W[
      --disable-dependency-tracking
      --prefix=#{prefix}
      --with-libwebp
      --with-libopenjpeg
    ]

    system "./configure", *args
    system "make", "install"
  end

  test do
    (testpath/"test.cpp").write <<~EOS
      #include <iostream>
      #include <leptonica/allheaders.h>

      int main(int argc, char **argv) {
          std::fprintf(stdout, "%d.%d.%d", LIBLEPT_MAJOR_VERSION, LIBLEPT_MINOR_VERSION, LIBLEPT_PATCH_VERSION);
          return 0;
      }
    EOS

    flags = ["-I#{include}/leptonica"] + ENV.cflags.to_s.split
    system ENV.cxx, "test.cpp", *flags
    assert_equal version.to_s, `./a.out`
  end
end