const std = @import("std");
const bh = @import("bh");

pub fn build(b: *std.Build) void {
    const target = b.standardTargetOptions(.{});
    const optimize = b.standardOptimizeOption(.{});
    const static_build = b.option(bool, "static_build", "builds backlog dependencies for static linking") orelse false;

    const nfd = bh.MakeModlib(b, .{
        .name = "nfd",
        .target = target,
        .optimize = optimize,
        .static_build = static_build,
        .root = b.path("src/nfd.zig"),
    });

    nfd.install();

    // Add include paths to module (for Zig @cImport)
    nfd.mod.addIncludePath(b.path("include"));

    // Configure library
    nfd.lib.linkLibC();

    nfd.lib.addIncludePath(b.path("include"));
    nfd.lib.addCSourceFile(.{
        .file = b.path("src/nfd_common.c"),
        .flags = &.{},
    });

    if (target.result.os.tag == .macos) {
        nfd.lib.addCSourceFile(.{
            .file = b.path("src/nfd_cocoa.m"),
            .flags = &.{},
        });
        nfd.lib.linkFramework("AppKit");
    } else if (target.result.os.tag == .windows) {
        nfd.lib.addCSourceFile(.{
            .file = b.path("src/nfd_win.cpp"),
            .flags = &.{},
        });
        nfd.lib.linkSystemLibrary("ole32");
    } else if (target.result.os.tag == .linux) {
        // nfd.lib.addCSourceFile(.{
        //     .file = b.path("src/nfd_gtk.c"),
        //     .flags = &.{},
        // });
        nfd.lib.addCSourceFile(.{
            .file = b.path("src/nfd_null.c"),
            .flags = &.{},
        });
        // nfd.lib.linkSystemLibrary("gdk-3", .{});
        // nfd.lib.linkSystemLibrary("atk-1.0", .{});
        // nfd.lib.linkSystemLibrary("gtk-3", .{});
        // nfd.lib.linkSystemLibrary("glib-2.0", .{});
        // nfd.lib.linkSystemLibrary("gobject-2.0", .{});
    }

    const p2dep = b.dependency("p2", .{ .target = target, .optimize = optimize, .static_build = static_build });

    const p2mod = p2dep.module("p2");
    nfd.mod.addImport("p2", p2mod);

    const test_step = b.step("test", "");
    const tests = b.addTest(.{
        .root_module = b.createModule(.{
            .target = target,
            .optimize = optimize,
            .root_source_file = b.path("src/nfd.zig"),
            .link_libc = true,
        }),
    });
    tests.addIncludePath(b.path("./include"));

    tests.root_module.addImport("nfd", nfd.mod);
    tests.root_module.linkLibrary(nfd.lib);
    tests.root_module.addImport("p2", p2mod);
    const runArtifact = b.addRunArtifact(tests);
    test_step.dependOn(&runArtifact.step);
}