const std = @import("std");
const core = @import("core");

const depList = [_][]const u8{
    "core",
};

// very tiny, not intended to build anything just to run tests linked with libc
pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});
    const static_build = b.option(bool, "static_build", "builds backlog dependencies for static linking") orelse false;

    const engineMod = core.MakeModLib(b, .{
        .name = "physics",
        .target = target,
        .optimize = optimize,
        .static_build = static_build,
    });

    engineMod.install();
    engineMod.linkModLibs(&depList);

    const zphysics_dep = b.dependency("zphysics", .{
        .target = target,
        .optimize = optimize,
        .static_build = static_build,
    });

    engineMod.mod.addImport("zphysics", zphysics_dep.module("root"));
    engineMod.lib.linkLibrary(zphysics_dep.artifact("zphysics"));

    const test_step = b.step("test", "run unit tests for physics");
    const tests = b.addTest(.{
        .root_module = b.createModule(.{
            .target = target,
            .optimize = optimize,
            .root_source_file = b.path("tests/tests.zig"),
        }),
    });

    tests.root_module.addImport("physics", engineMod.mod);
    tests.root_module.linkLibrary(zphysics_dep.artifact("zphysics"));
    const runArtifact = b.addRunArtifact(tests);
    test_step.dependOn(&runArtifact.step);
    b.installArtifact(tests);
}