const std = @import("std");

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

    const module = b.createModule(.{
        .source_file = .{ .path = "src/main.zig" },
    });
    try b.modules.put(b.dupe("flecs-zig-ble"), module);

    const lib = b.addStaticLibrary(.{
        .name = "flecs-zig-ble",
        .root_source_file = .{ .path = "src/main.zig" },
        .target = target,
        .optimize = optimize,
    });
    setupFlecs(lib);
    b.installArtifact(lib);

    const main_tests = b.addTest(.{
        .root_source_file = .{ .path = "tests/main.zig" },
        // Has to be specified so tests can run autodoc tests from src/.
        .main_pkg_path = .{ .path = "." },
        .target = target,
        .optimize = optimize,
    });
    setupFlecs(main_tests);
    const run_main_tests = b.addRunArtifact(main_tests);
    const test_step = b.step("test", "Run library tests");
    test_step.dependOn(&run_main_tests.step);
}

fn setupFlecs(step: *std.Build.CompileStep) void {
    step.linkLibC();
    step.addIncludePath(.{ .path = "libs/flecs" });
    step.addCSourceFile(.{
        .file = .{ .path = "libs/flecs/flecs.c" },
        .flags = &.{"-fno-sanitize=undefined"},
    });
    step.defineCMacro("FLECS_NO_CPP", null);
    step.defineCMacro("FLECS_USE_OS_ALLOC", null);
    if (@import("builtin").mode == .Debug)
        step.defineCMacro("FLECS_SANITIZE", null);
    if (step.target.isWindows())
        step.linkSystemLibraryName("ws2_32");
}