#!/usr/bin/env ruby

HOST = `clang -dumpmachine`.strip
ARCH = HOST[/x86_64|arm64/]

def run_build(arch)
    puts "Building all dependencies. This'll take a while.\n"
    case arch
    when "x86_64"
        return system("make everything -f .Intel")
    when "arm64"
        code = system("make everything -f .AppleSilicon")
        return code if !code
        code = (system("arch -x86_64 make everything -f .Intel"))
        return code if !code
        return system("./make_macuniversal")
    else
        raise "Unsupported architecture"
    end
end

def fix_steam(libpath)
    # Don't need to do anything if it's already set to runpath
    return 0 if (`otool -L #{libpath}`[/@rpath/])
    puts "Patching Steamworks SDK...\n"
    # Remove 32-bit code from the binary
    if `lipo -info #{libpath}`[/i386/]
        return 1 if !system("lipo -remove i386 #{libpath} -o #{libpath}")
    end
    # Set the install name to runpath
    return 1 if !system("install_name_tool -id @rpath/libsteam_api.dylib #{libpath}")
    # Resign
    puts "Done.\n"
    return (system("codesign -fs - #{libpath}") ? 0 : 1)
end

exitcode = run_build(ARCH) ? 0 : 1
exit(exitcode) if (exitcode != 0)

STEAM_LIB = "Frameworks/steam/sdk/redistributable_bin/osx/libsteam_api.dylib"
if File.exists?(STEAM_LIB)
    exitcode = fix_steam(STEAM_LIB)
end

exit(exitcode)