class Blastem < Formula
  desc "Fast and accurate Genesis emulator"
  homepage "https://www.retrodev.com/blastem/"
  license "GPL-3.0-or-later"
  revision 3
  head "https://www.retrodev.com/repos/blastem", using: :hg

  stable do
    url "https://www.retrodev.com/repos/blastem/archive/v0.6.2.tar.gz"
    sha256 "d460632eff7e2753a0048f6bd18e97b9d7c415580c358365ff35ac64af30a452"

    depends_on arch: :x86_64

    # Convert Python 2 script to Python 3. Remove with next release.
    patch do
      url "https://www.retrodev.com/repos/blastem/raw-rev/dbbf0100f249"
      sha256 "e332764bfa08e08e0f9cbbebefe73b88adb99a1e96a77a16a0aeeae827ac72ff"
    end

    # Fix build with -fno-common which is default in GCC 10+. Remove with next release.
    patch do
      on_linux do
        url "https://www.retrodev.com/repos/blastem/raw-rev/e45a317802bd"
        sha256 "8f869909df6eb66375eea09dde806422aa007aee073d557b774666f51c2e40dd"
      end
    end
  end

  livecheck do
    url "https://www.retrodev.com/repos/blastem/json-tags"
    regex(/^v?(\d+(?:\.\d+)+)$/i)
    strategy :json do |json, regex|
      json["tags"]&.map do |item|
        match = item["tag"]&.match(regex)
        next if match.blank?

        match[1]
      end
    end
  end

  no_autobump! because: :requires_manual_review

  bottle do
    sha256 cellar: :any,                 sonoma:       "fc574700400c587f8803417bd6b3ea8a2ca08478f5636e0349052cc80b42e4a9"
    sha256 cellar: :any_skip_relocation, x86_64_linux: "934490a06247764fc9626087a1f4cae9eab85df11a3554f4bca1ef379f2dd970"
  end

  depends_on "imagemagick" => :build
  depends_on "pillow" => :build
  depends_on "pkgconf" => :build
  depends_on "python@3.14" => :build
  depends_on "glew"
  depends_on "sdl2"

  uses_from_macos "zlib"

  on_macos do
    # Can be undeprecated if upstream decides to support arm64 macOS
    deprecate! date: "2025-09-28", because: "is unsupported, https://docs.brew.sh/Support-Tiers#future-macos-support"
    disable! date: "2026-09-28", because: "is unsupported, https://docs.brew.sh/Support-Tiers#future-macos-support"
  end

  on_linux do
    depends_on "mesa"
  end

  resource "vasm" do
    url "http://phoenix.owl.de/tags/vasm1_8i.tar.gz"
    sha256 "9ae0b37bca11cae5cf00e4d47e7225737bdaec4028e4db2a501b4eca7df8639d"
  end

  def install
    resource("vasm").stage do
      system "make", "CPU=m68k", "SYNTAX=mot"
      (buildpath/"tool").install "vasmm68k_mot"
    end
    ENV.prepend_path "PATH", buildpath/"tool"

    # Use imagemagick to convert XCF files instead of xcftools, which is unmaintained and broken.
    # Fix was sent to upstream developer.
    inreplace "Makefile", "xcf2png $< > $@", "convert $< $@" if build.stable?

    system "make", "all", "menu.bin", "HOST_ZLIB=1"
    libexec.install %w[blastem default.cfg menu.bin rom.db shaders]
    bin.write_exec_script libexec/"blastem"
  end

  test do
    assert_equal "blastem #{version}", shell_output("#{bin}/blastem -b 1 -v").chomp
  end
end