const std = @import("std");

// Although this function looks imperative, note that its job is to
// declaratively construct a build graph that will be executed by an external
// runner.
pub fn build(b: *std.Build) void {
    // Standard target options allows the person running `zig build` to choose
    // what target to build for. Here we do not override the defaults, which
    // means any target is allowed, and the default is native. Other options
    // for restricting supported target set are available.
    const target = b.standardTargetOptions(.{});

    // Standard optimization options allow the person running `zig build` to select
    // between Debug, ReleaseSafe, ReleaseFast, and ReleaseSmall. Here we do not
    // set a preferred release mode, allowing the user to decide how to optimize.
    const optimize = b.standardOptimizeOption(.{});

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

    b.installArtifact(exe);

    const run_cmd = b.addRunArtifact(exe);
    run_cmd.step.dependOn(b.getInstallStep());

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

    // Viewer debug app

    const viewer = b.addExecutable(.{
        .name = "binfon-viewer",
        .root_source_file = b.path("src/view.zig"),
        .target = target,
        .optimize = optimize,
    });

    b.installArtifact(viewer);

    const view_cmd = b.addRunArtifact(viewer);
    view_cmd.step.dependOn(b.getInstallStep());

    const view_step = b.step("view", "Run the app");
    view_step.dependOn(&view_cmd.step);

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