const std = @import("std");

pub fn build(b: *std.Build) void {
    const optimize = b.standardOptimizeOption(.{
        .preferred_optimize_mode = .ReleaseSmall,
    });
    const target = b.resolveTargetQuery(.{
        .cpu_arch = .thumb,
        .cpu_model = .{
            .explicit = &std.Target.arm.cpu.cortex_m4,
        },
        .os_tag = .freestanding,
        .abi = .eabihf,
    });

    // const mod = b.addModule("zig_stm32g4_test", .{
    //     .root_source_file = b.path("src/root.zig"),
    //     .target = target,
    // });

    const exe = b.addExecutable(.{
        .name = "zig_stm32g4_test",
        .root_module = b.createModule(.{
            .root_source_file = b.path("src/main.zig"),
            .target = target,
            .optimize = optimize,
        }),
    });
    exe.dead_strip_dylibs = true;
    exe.link_gc_sections = true;
    exe.link_function_sections = true;
    exe.link_data_sections = true;
    exe.lto = .full;
    exe.discard_local_symbols = true;

    const bin = exe.addObjCopy(.{ .format = .bin });
    const install_exe = b.addInstallArtifact(exe, .{});
    const install_bin = b.addInstallBinFile(bin.getOutput(), bin.basename);
    exe.setLinkerScript(b.path("stm32g431cbtx.ld"));

    b.getInstallStep().dependOn(&install_bin.step);
    install_bin.step.dependOn(&install_exe.step);

    b.installArtifact(exe);
    // const run_step = b.step("run", "Run the app");

    // const run_cmd = b.addRunArtifact(exe);
    // run_step.dependOn(&run_cmd.step);

    // run_cmd.step.dependOn(b.getInstallStep());

    // if (b.args) |args| {
    //     run_cmd.addArgs(args);
    // }

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

    // const run_mod_tests = b.addRunArtifact(mod_tests);

    // const exe_tests = b.addTest(.{
    //     .root_module = exe.root_module,
    // });

    // const run_exe_tests = b.addRunArtifact(exe_tests);

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