const std = @import("std");
const rl = @import("raylib-zig/build.zig");

pub fn build(b: *std.Build) !void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});
    var raylib = rl.getModule(b, "raylib-zig");
    var raylib_math = rl.math.getModule(b, "raylib-zig");

    // TODO: Figure out how to build project for WASM. Tried to do it but standard memory allocators
    // didn't work.

    //web exports are completely separate
    // if (target.getOsTag() == .emscripten) {
    //     const exe_lib = rl.compileForEmscripten(b, "chip8-zig", "src/main.zig", target, optimize);
    //     exe_lib.addModule("raylib", raylib);
    //     exe_lib.addModule("raylib-math", raylib_math);
    //
    //     const raylib_artifact = rl.getArtifact(b, target, optimize);
    //     // Note that raylib itself is not actually added to the exe_lib output file, so it also needs to be linked with emscripten.
    //     exe_lib.linkLibrary(raylib_artifact);
    //
    //     const link_step = try rl.linkWithEmscripten(b, &[_]*std.Build.Step.Compile{ exe_lib, raylib_artifact });
    //     b.getInstallStep().dependOn(&link_step.step);
    //
    //     const run_step = try rl.emscriptenRunStep(b);
    //     run_step.step.dependOn(&link_step.step);
    //
    //     const run_option = b.step("run", "Run chip8-zig");
    //     run_option.dependOn(&run_step.step);
    //     return;
    // }

    const exe = b.addExecutable(.{ .name = "chip8-zig", .root_source_file = .{ .path = "src/main.zig" }, .optimize = optimize, .target = target });

    rl.link(b, exe, target, optimize);
    exe.addModule("raylib", raylib);
    exe.addModule("raylib-math", raylib_math);

    const run_cmd = b.addRunArtifact(exe);
    const run_step = b.step("run", "Run chip8-zig");
    run_step.dependOn(&run_cmd.step);

    b.installArtifact(exe);
}