const std = @import("std");

pub fn build(b: *std.Build) !void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});

    const libusb_use_udev = b.option(
        bool,
        "libusb_use_udev",
        "libusb: link and use udev (Linux only. Default: false)",
    ) orelse false;

    const libusb_enable_logging = b.option(
        bool,
        "libusb_enable_logging",
        "enable libusb's built-in logging (Default: false)",
    ) orelse false;

    const libusb_enable_debug_logging = b.option(
        bool,
        "libusb_enable_debug_logging",
        "enable libusb's debug logging (Default: false)",
    ) orelse false;

    const liblabjackusb = b.addStaticLibrary(.{
        .name = "labjackusb",
        .target = target,
        .optimize = optimize,
        .link_libc = true,
    });

    if (optimize == .Debug) {
        liblabjackusb.defineCMacro("LJ_DEBUG", "1");
    }

    liblabjackusb.addCSourceFile(.{ .file = b.path("liblabjackusb/labjackusb.c") });
    liblabjackusb.installHeader(b.path("liblabjackusb/labjackusb.h"), "labjackusb.h");

    // udev rules should be installed to /lib/udev/rules.d or /etc/udev/rules.d
    // udevadm control --reload-rules
    // /etc/init.d/udev-post reload
    // udevstart

    const usb_dep = b.dependency(
        "usb",
        .{
            .target = target,
            .optimize = optimize,
            .use_udev = libusb_use_udev,
            .enable_logging = libusb_enable_logging,
            .enable_debug_logging = libusb_enable_debug_logging,
        },
    );
    liblabjackusb.linkLibrary(usb_dep.artifact("usb"));

    b.installArtifact(liblabjackusb);
}