const std = @import("std");
const Build = std.Build;
const Step = Build.Step;

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

    const translate_c = b.addTranslateC(.{
        .root_source_file = b.path("libvirt/include/libvirt/libvirt.h"),
        .target = target,
        .optimize = optimize,
    });
    translate_c.addIncludeDir("libvirt/include");

    const output = b.addInstallFile(translate_c.getOutput(), "libvirt.zig");

    const exe = b.addExecutable(.{
        .name = "server",
        .root_source_file = b.path("src/main.zig"),
        .target = target,
        .optimize = optimize,
    });
    exe.step.dependOn(&output.step);
    exe.linkLibC();
    exe.root_module.addIncludePath(b.path("libvirt/include"));
    // exe.linkSystemLibrary("libvirt");
    exe.addLibraryPath(b.path("libvirt/lib"));
    exe.addObjectFile(b.path("libvirt/lib/libvirt.so.0.10000.0"));
    exe.addObjectFile(b.path("libvirt/lib/libvirt-admin.so.0.10000.0"));
    exe.addObjectFile(b.path("libvirt/lib/libvirt-qemu.so.0.10000.0"));
    b.installArtifact(exe);

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

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

    const libvirt_test = b.addTest(.{
        .root_source_file = b.path("src/libvirt.zig"),
        .target = target,
        .optimize = optimize,
        .link_libc = true,
    });
    const libvirt_connection_test = b.addTest(.{
        .root_source_file = b.path("src/libvirt-connection.zig"),
        .target = target,
        .optimize = optimize,
        .link_libc = true,
    });
    const libvirt_unit_tests = [_]*Step.Compile{
        libvirt_test,
        libvirt_connection_test,
    };
    for (libvirt_unit_tests) |tests| {
        tests.root_module.addIncludePath(b.path("libvirt/include"));
        tests.addLibraryPath(b.path("libvirt/lib"));
        tests.addObjectFile(b.path("libvirt/lib/libvirt.so.0.10000.0"));
        tests.addObjectFile(b.path("libvirt/lib/libvirt-admin.so.0.10000.0"));
        tests.addObjectFile(b.path("libvirt/lib/libvirt-qemu.so.0.10000.0"));
    }

    const run_libvirt_tests = [_]*Step.Run{
        b.addRunArtifact(libvirt_test),
        b.addRunArtifact(libvirt_connection_test),
    };

    const test_step = b.step("test", "Run unit tests");
    for (run_libvirt_tests) |tests| test_step.dependOn(&tests.step);
}