const std = @import("std");

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

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

    const gen = b.addExecutable(.{
        .name = "gen",
        .root_source_file = .{ .path =  "src/gen.zig"},
        .target = target,
        .optimize = optimize,
    });
    const run_gen = b.addRunArtifact(gen);
    const foobar_path = run_gen.addOutputFileArg("foobar");
    const install_foobar = b.addInstallFileWithDir(foobar_path, .{ .custom = "res" }, "foobar");
    b.getInstallStep().dependOn(&install_foobar.step);

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

    // const fizzbuzz = b.addInstallFile(.{ .path =  "src/fizzbuzz" } , "res");
    // b.getInstallStep().dependo
    // b.installFile("src/fizzbuzz", "res");
    // b.addInstallFileWithDir(.{ .path = "src/fizzbuzz" }, .{ .custom = "res" }, "fizzbuzz");
    const res = b.addInstallDirectory(.{ .source_dir = .{ .path = "res" }, .install_dir = .{ .prefix = {} }, .install_subdir = "res" });
    b.getInstallStep().dependOn(&res.step);

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

    const exe_unit_tests = b.addTest(.{
        .root_source_file = .{ .path = "src/main.zig" },
        .target = target,
        .optimize = optimize,
    });

    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);
}