const std = @import("std");

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

    const raylib_dep = b.dependency("raylib_zig", .{
        .target = target,
        .optimize = optimize,
    });

    const raylib = raylib_dep.module("raylib");
    const raygui = raylib_dep.module("raygui");
    const raylib_artifact = raylib_dep.artifact("raylib");

    const exe_mod = b.createModule(.{
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
        .imports = &.{
            .{ .name = "raylib", .module = raylib },
            .{ .name = "raygui", .module = raygui },
        },
    });
    exe_mod.linkLibrary(raylib_artifact);

    const exe = b.addExecutable(.{
        .name = "asteroids",
        .root_module = exe_mod,
        // LLD treats system .so files packed into libraylib.a as a hard error
        // on Linux release links (raylib-zig#219).
        .use_lld = if (target.result.os.tag == .linux) false else null,
    });
    b.installArtifact(exe);

    const run_cmd = b.addRunArtifact(exe);
    run_cmd.step.dependOn(b.getInstallStep());
    if (b.args) |args| {
        run_cmd.addArgs(args);
    }

    const run_step = b.step("run", "Run the app");
    run_step.dependOn(&run_cmd.step);

    const test_mod = b.createModule(.{
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
        .imports = &.{
            .{ .name = "raylib", .module = raylib },
            .{ .name = "raygui", .module = raygui },
        },
    });
    test_mod.linkLibrary(raylib_artifact);

    const exe_unit_tests = b.addTest(.{
        .root_module = test_mod,
    });
    const run_exe_unit_tests = b.addRunArtifact(exe_unit_tests);

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