# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

import os

from spack.package import *


class Qtgraph(QMakePackage):
    """The baseline library used in the CUDA-centric Open|SpeedShop Graphical
    User Interface (GUI) which allows Graphviz DOT formatted data to be
    imported into a Qt application by wrapping the Graphviz libcgraph and
    libgvc within the Qt Graphics View Framework."""

    homepage = "https://github.com/OpenSpeedShop/QtGraph"
    git = "https://github.com/OpenSpeedShop/QtGraph.git"

    version("develop", branch="master")
    version("1.0.0.0", branch="1.0.0.0")

    # qtgraph depends on these packages
    depends_on("qt@5.10.0:", when="@1.0.0.0:")

    depends_on("graphviz@2.40.1:", when="@develop")
    depends_on("graphviz@2.40.1", when="@1.0.0.0:")

    def setup_build_environment(self, env):
        env.set("GRAPHVIZ_ROOT", self.spec["graphviz"].prefix)
        env.set("INSTALL_ROOT", self.prefix)

    def setup_run_environment(self, env):
        # What library suffix should be used based on library existence
        if os.path.isdir(self.prefix.lib64):
            lib_dir = self.prefix.lib64
        else:
            lib_dir = self.prefix.lib

        # The implementor has set up the library and include paths in
        # a non-conventional way.  We reflect that here.
        env.prepend_path(
            "LD_LIBRARY_PATH", join_path(lib_dir, "{0}".format(self.spec["qt"].version.up_to(3)))
        )

        env.prepend_path("CPATH", self.prefix.include.QtGraph)