const std = @import("std");

const version_file = @embedFile("vendor/VERSION");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const version_string = b.fmt("\"{s}\"", .{std.mem.trim(u8, version_file, " \n\t")});

    // --- QuickJS module ---

    const mod = b.addModule("js", .{
        .root_source_file = b.path("src/root.zig"),
        .link_libc = true,
        .target = target,
    });

    mod.addCSourceFiles(.{
        .files = &.{
            "vendor/cutils.c",
            "vendor/dtoa.c",
            "vendor/libregexp.c",
            "vendor/libunicode.c",
            "vendor/quickjs-libc.c",
            "vendor/quickjs.c",
        },
        .flags = &.{
            "-Wall",
            "-Wextra",
            "-Wno-sign-compare",
            "-Wno-missing-field-initializers",
            "-Wundef",
            "-Wuninitialized",
            "-Wunused",
            "-Wno-unused-parameter",
            "-Wwrite-strings",
            "-Wchar-subscripts",
            "-funsigned-char",
            "-fwrapv",
        },
    });

    mod.addCMacro("_GNU_SOURCE", "");
    mod.addCMacro("CONFIG_VERSION", version_string);

    if (target.result.os.tag == .windows) {
        mod.addCMacro("__USE_MINGW_ANSI_STDIO", "");
    }

    mod.linkSystemLibrary("m", .{});
    mod.linkSystemLibrary("pthread", .{});

    if (target.result.os.tag != .windows) {
        mod.linkSystemLibrary("dl", .{});
    }

    // --- Tests ---

    const mod_tests = b.addTest(.{
        .root_module = mod,
    });

    const run_mod_tests = b.addRunArtifact(mod_tests);

    const test_step = b.step("test", "Run tests");
    test_step.dependOn(&run_mod_tests.step);
}