const std = @import("std");

const Scanner = @import("wayland").Scanner;

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

    // Wayland
    const scanner = Scanner.create(b, .{});

    const wayland = b.createModule(.{ .root_source_file = scanner.result });

    scanner.addSystemProtocol("stable/xdg-shell/xdg-shell.xml");
    scanner.addSystemProtocol("unstable/xdg-decoration/xdg-decoration-unstable-v1.xml");

    scanner.generate("wl_compositor", 1);
    scanner.generate("wl_shm", 1);
    scanner.generate("xdg_wm_base", 1);
    scanner.generate("zxdg_decoration_manager_v1", 1);

    const z2d = b.dependency("z2d", .{}).module("z2d");

    const exe = b.addExecutable(.{
        .name = "gui",
        .root_module = b.createModule(.{
            .root_source_file = b.path("src/main.zig"),
            .target = target,
            .optimize = optimize,
            .imports = &.{
                .{ .name = "wayland", .module = wayland },
                .{ .name = "z2d", .module = z2d },
            },
        }),
    });
    exe.linkLibC();
    exe.linkSystemLibrary("wayland-client");

    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 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_exe_tests.step);
}