class Libbi < Formula
  desc "Bayesian state-space modelling on parallel computer hardware"
  homepage "http://libbi.org"
  url "https://github.com/libbi/LibBi/archive/1.4.1.tar.gz"
  sha256 "50866cd6a5a8fc98df1f53ff6064edd17624a74141eeb7b60ef68d4408966696"
  head "https://github.com/libbi/LibBi.git"

  bottle do
    cellar :any_skip_relocation
    sha256 "f6de84b935be578ab58847976642adadd15682d0855fe2eedb5602263e30e79c" => :high_sierra
    sha256 "9785aa1e32f6fcf835b9b89b404d1eb1f602b5a0f3c47658ae00e0984cd500cc" => :sierra
    sha256 "b0a338b54bbab1958afad22e0e7b6f7d3595d71650192af991e39982e3bf87eb" => :el_capitan
  end

  depends_on "automake"
  depends_on "boost"
  depends_on "gsl"
  depends_on "netcdf"
  depends_on "qrupdate"

  resource "Test::Simple" do
    url "https://www.cpan.org/authors/id/E/EX/EXODIST/Test-Simple-1.302133.tar.gz"
    sha256 "02bc2b4ec299886efcc29148308c9afb64e0f2c2acdeaa2dee33c3adfe6f96e2"
  end

  resource "Getopt::ArgvFile" do
    url "https://www.cpan.org/CPAN/authors/id/J/JS/JSTENZEL/Getopt-ArgvFile-1.11.tar.gz"
    sha256 "3709aa513ce6fd71d1a55a02e34d2f090017d5350a9bd447005653c9b0835b22"
  end

  resource "Carp::Assert" do
    url "https://www.cpan.org/CPAN/authors/id/N/NE/NEILB/Carp-Assert-0.21.tar.gz"
    sha256 "924f8e2b4e3cb3d8b26246b5f9c07cdaa4b8800cef345fa0811d72930d73a54e"
  end

  resource "File::Slurp" do
    url "https://www.cpan.org/CPAN/authors/id/U/UR/URI/File-Slurp-9999.19.tar.gz"
    sha256 "ce29ebe995097ebd6e9bc03284714cdfa0c46dc94f6b14a56980747ea3253643"
  end

  resource "Parse::Yapp" do
    url "https://www.cpan.org/CPAN/authors/id/W/WB/WBRASWELL/Parse-Yapp-1.21.tar.gz"
    sha256 "3810e998308fba2e0f4f26043035032b027ce51ce5c8a52a8b8e340ca65f13e5"
  end

  resource "Parse::Template" do
    url "https://www.cpan.org/CPAN/authors/id/P/PS/PSCUST/ParseTemplate-3.08.tar.gz"
    sha256 "3c7734f53999de8351a77cb09631d7a4a0482b6f54bca63d69d5a4eec8686d51"
  end

  resource "Parse::Lex" do
    url "https://www.cpan.org/CPAN/authors/id/P/PS/PSCUST/ParseLex-2.21.tar.gz"
    sha256 "f55f0a7d1e2a6b806a47840c81c16d505c5c76765cb156e5f5fd703159a4492d"
  end

  resource "Parse::RecDescent" do
    url "https://www.cpan.org/CPAN/authors/id/J/JT/JTBRAUN/Parse-RecDescent-1.967015.tar.gz"
    sha256 "1943336a4cb54f1788a733f0827c0c55db4310d5eae15e542639c9dd85656e37"
  end

  resource "Math::Symbolic" do
    url "https://www.cpan.org/CPAN/authors/id/S/SM/SMUELLER/Math-Symbolic-0.612.tar.gz"
    sha256 "a9af979956c4c28683c535b5e5da3cde198c0cac2a11b3c9a129da218b3b9c08"
  end

  resource "YAML::Tiny" do
    url "https://www.cpan.org/CPAN/authors/id/E/ET/ETHER/YAML-Tiny-1.73.tar.gz"
    sha256 "bc315fa12e8f1e3ee5e2f430d90b708a5dc7e47c867dba8dce3a6b8fbe257744"
  end

  resource "File::Remove" do
    url "https://www.cpan.org/CPAN/authors/id/S/SH/SHLOMIF/File-Remove-1.57.tar.gz"
    sha256 "b3becd60165c38786d18285f770b8b06ebffe91797d8c00cc4730614382501ad"
  end

  resource "inc::Module::Install::DSL" do
    url "https://www.cpan.org/CPAN/authors/id/E/ET/ETHER/Module-Install-1.19.tar.gz"
    sha256 "1a53a78ddf3ab9e3c03fc5e354b436319a944cba4281baf0b904fa932a13011b"
  end

  resource "Class::Inspector" do
    url "https://www.cpan.org/CPAN/authors/id/P/PL/PLICEASE/Class-Inspector-1.32.tar.gz"
    sha256 "cefadc8b5338e43e570bc43f583e7c98d535c17b196bcf9084bb41d561cc0535"
  end

  resource "File::ShareDir" do
    url "https://www.cpan.org/CPAN/authors/id/R/RE/REHSACK/File-ShareDir-1.104.tar.gz"
    sha256 "07b628efcdf902d6a32e6a8e084497e8593d125c03ad12ef5cc03c87c7841caf"
  end

  resource "Template" do
    url "https://www.cpan.org/CPAN/authors/id/A/AB/ABW/Template-Toolkit-2.27.tar.gz"
    sha256 "1311a403264d0134c585af0309ff2a9d5074b8ece23ece5660d31ec96bf2c6dc"
  end

  resource "Graph" do
    url "https://www.cpan.org/CPAN/authors/id/J/JH/JHI/Graph-0.9704.tar.gz"
    sha256 "325e8eb07be2d09a909e450c13d3a42dcb2a2e96cc3ac780fe4572a0d80b2a25"
  end

  resource "thrust" do
    url "https://github.com/thrust/thrust/releases/download/1.8.2/thrust-1.8.2.zip"
    sha256 "00925daee4d9505b7f33d0ed42ab0de0f9c68c4ffbe2a41e6d04452cdee77b2d"
  end

  def install
    ENV.prepend_create_path "PERL5LIB", libexec/"lib/perl5"

    resources.each do |r|
      r.stage do
        next if r.name == "thrust"
        # need to set TT_ACCEPT=y for Template library for non-interactive install
        perl_flags = "TT_ACCEPT=y" if r.name == "Template"
        system "perl", "Makefile.PL", "INSTALL_BASE=#{libexec}", perl_flags
        system "make"
        system "make", "install"
      end
    end

    (include/"thrust").install resource("thrust")

    system "perl", "Makefile.PL", "INSTALL_BASE=#{libexec}", "INSTALLSITESCRIPT=#{bin}"

    # Disable dynamic selection of perl which may cause segfault when an
    # incompatible perl is picked up.
    # See, e.g., https://github.com/Homebrew/homebrew-core/issues/4936
    inreplace "script/libbi", "#!/usr/bin/env perl", "#!/usr/bin/perl"

    system "make"
    system "make", "install"

    pkgshare.install "Test.bi", "test.conf"
    bin.env_script_all_files(libexec+"bin", :PERL5LIB => ENV["PERL5LIB"])
  end

  test do
    cp Dir[pkgshare/"Test.bi", pkgshare/"test.conf"], testpath
    system "#{bin}/libbi", "sample", "@test.conf"
    assert_predicate testpath/"test.nc", :exist?
  end
end