const std = @import("std");

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

    const use_llvm = b.option(bool, "use-llvm", "LLVM build") orelse (b.release_mode != .off);

    const c_includes = b.addTranslateC(.{
        .root_source_file = b.path("third_party/miclib.h"),
        .target = target,
        .optimize = optimize,
        .link_libc = true,
    });

    const miclib_c = c_includes.createModule();

    const module = b.addModule("miclib", .{
        .root_source_file = b.path("src/lib.zig"),
        .target = target,
        .optimize = optimize,
        .link_libc = true,
        .imports = &.{.{ .name = "miclib_c", .module = miclib_c }},
    });
    module.linkSystemLibrary("dl", .{});

    const test_module = b.createModule(.{
        .root_source_file = b.path("src/lib.zig"),
        .target = target,
        .optimize = optimize,
        .link_libc = true,
        .imports = &.{.{ .name = "miclib_c", .module = miclib_c }},
    });
    test_module.linkSystemLibrary("dl", .{});

    const lib_tests = b.addTest(.{
        .root_module = test_module,
        .use_llvm = use_llvm,
    });
    const run_tests = b.addRunArtifact(lib_tests);
    const test_step = b.step("test", "Run unit tests");
    test_step.dependOn(&run_tests.step);

    const enumerate_module = b.createModule(.{
        .root_source_file = b.path("examples/enumerate.zig"),
        .target = target,
        .optimize = optimize,
        .imports = &.{.{ .name = "miclib", .module = module }},
    });

    const enumerate = b.addExecutable(.{
        .name = "miclib-enumerate",
        .root_module = enumerate_module,
        .use_llvm = use_llvm,
    });

    b.installArtifact(enumerate);

    const run_enumerate = b.addRunArtifact(enumerate);
    const run_step = b.step("example", "Run examples/enumerate.zig");
    run_step.dependOn(&run_enumerate.step);
}