import os

from lib.make import *
from lib import cpp


version("1.7.0")
description("The GL Vendor-Neutral Dispatch library")
maintainer("sisungo <sisungo@icloud.com>")
source_url("https://gitlab.freedesktop.org/glvnd/libglvnd/-/archive/v1.7.0/libglvnd-v1.7.0.tar.gz")

builddep("shortcut/meson")
builddep("shortcut/c")
builddep("libexpat")


def build():
    cpp.meson_setup([
        "--sysconfdir=/var/config",
        "--datadir=/share",

        "-Degl=true",
        "-Dentrypoint-patching=disabled",

        # X11 Stuff
        # We don't have X11 yet, so leave them disabled
        "-Dx11=disabled",
        "-Dglx=disabled",
    ])
    cpp.meson_compile()
    cpp.meson_install()

on_build(build)


def fix_pc(path, name):
    with open(path, 'r') as file:
        content = file.read()
    devpkgname = f"{name}-dev"
    content = content.replace("prefix=/usr/local", f"prefix=/")
    content = content.replace("includedir=${prefix}/include", f"includedir={get_prefix(devpkgname)}/include")
    content = content.replace("libdir=${prefix}/lib", f"libdir={get_prefix(name)}/lib")
    with open(path, 'wt+') as file:
        file.write(content)

def pack_librun(composer, libname):
    composer.makedir("lib")
    for i in os.listdir("lib"):
        if ".so" in i and i.startswith(libname):
            composer.addfile(f"lib/{i}", f"lib/{i}")

def pack_libdev(composer, pkgname, pkgconfname, includenames):
    composer.makedirs("lib/pkgconfig")
    for i in os.listdir("lib/pkgconfig"):
        if pkgconfname == i:
            composer.addfile(f"lib/pkgconfig/{i}", f"lib/pkgconfig/{i}")
            fix_pc(f"{composer.workdir}/bundle/lib/pkgconfig/{i}", pkgname)
    composer.makedir("include")
    for i in includenames:
        composer.add_dir(f"include/{i}", f"include/{i}")


package("libgldispatch")
dep("semi-libc @same-arch")
on_pack(lambda composer: pack_librun(composer, "libGLdispatch"))

package("libgldispatch-dev")
dep("semi-libc @same-arch")
on_pack(lambda composer: pack_libdev(composer, "libgldispatch", "libglvnd.pc", ["glvnd", "KHR"]))

package("libegl")
dep("libgldispatch (same)")
on_pack(lambda composer: pack_librun(composer, "libEGL"))

package("libegl-dev")
dep("libegl (same)")
on_pack(lambda composer: pack_libdev(composer, "libegl", "egl.pc", ["EGL"]))

package("libglesv1-cm")
dep("libgldispatch (same)")
on_pack(lambda composer: pack_librun(composer, "libGLESv1_CM"))

package("libglesv1-cm-dev")
dep("libglesv1-cm (same)")
on_pack(lambda composer: pack_libdev(composer, "libglesv1-cm", "glesv1_cm.pc", ["GLES"]))

package("libglesv2")
dep("libgldispatch (same)")
on_pack(lambda composer: pack_librun(composer, "libGLESv2"))

package("libglesv2-dev")
dep("libglesv2 (same)")
on_pack(lambda composer: pack_libdev(composer, "libglesv2", "glesv2.pc", ["GLES2", "GLES3"]))

package("libopengl")
dep("libgldispatch (same)")
on_pack(lambda composer: pack_librun(composer, "libOpenGL"))

package("libopengl-dev")
dep("libopengl (same)")
on_pack(lambda composer: pack_libdev(composer, "libopengl", "opengl.pc", ["GL"]))