package("promise-cpp")
    set_homepage("https://github.com/xhawk18/promise-cpp")
    set_description("C++ promise/A+ library in Javascript style.")
    set_license("MIT")

    add_urls("https://github.com/xhawk18/promise-cpp/archive/refs/tags/$(version).tar.gz",
             "https://github.com/xhawk18/promise-cpp.git")
    add_versions("2.1.3", "831f5c7fb36a1f0adda408898038b428d4afe96e7028947be0f755c6851eec26")

    add_patches("2.1.3", path.join(os.scriptdir(), "patches", "2.1.3", "cmake.patch"), "3ea274743d852c685e8a9fb4f609f768c2e5461061b87473092ee98c68e1ab88")

    add_configs("boost_asio", { description = "Enable boost asio.", default = false, type = "boolean"})

    add_deps("cmake")
    add_includedirs("include", "include/promise-cpp")

    on_load(function (package)
        if package:config("boost_asio") then
            package:add("deps", "boost")
        end
    end)

    on_install("linux", "macosx", "windows", function (package)
        local configs = {}
        table.insert(configs, "-DCMAKE_BUILD_TYPE=" .. (package:debug() and "Debug" or "Release"))
        table.insert(configs, "-DPROMISE_BUILD_SHARED=" .. (package:config("shared") and "ON" or "OFF"))
        import("package.tools.cmake").install(package, configs, {buildir = "build"})
        os.cp("include", package:installdir())
        os.cp("add_ons", package:installdir("include"))
        if package:is_plat("linux") then
            if package:config("shared") then
                os.cp("build/*.so", package:installdir("lib"))
            else
                os.cp("build/*.a", package:installdir("lib"))
            end
        elseif package:is_plat("macosx") then
            if package:config("shared") then
                os.cp("build/*.dylib", package:installdir("lib"))
            else
                os.cp("build/*.a", package:installdir("lib"))
            end
        end
    end)

    on_test(function (package)
        if package:config("boost_asio") then
            assert(package:check_cxxsnippets({test = [[
            #include <stdio.h>
            #include <boost/asio.hpp>
            #include "add_ons/asio/timer.hpp"

            using namespace promise;
            using namespace boost::asio;

            Promise myDelay(boost::asio::io_service &io, uint64_t time_ms) {
                return newPromise([&io, time_ms](Defer &d) {
                    setTimeout(io, [d](bool cancelled) {
                        if (cancelled) d.reject();
                        else d.resolve();
                    }, time_ms);
                });
            }

            Promise testTimer(io_service &io) {
                return myDelay(io, 3000).then([&] {
                    return myDelay(io, 1000);
                }).then([&] {
                    return myDelay(io, 2000);
                }).then([] {
                    printf("timer after 2000 ms!\n");
                }).fail([] {
                    printf("timer cancelled!\n");
                });
            }

            void test() {
                io_service io;
                Promise timer = testTimer(io);
                delay(io, 4500).then([=] {
                    clearTimeout(timer);
                });
                io.run();
            }
            ]]}, {configs = {languages = "c++14"}}))
        else
            assert(package:has_cxxtypes("promise::Promise", {configs = {languages = "c++14"}, includes = "promise-cpp/promise.hpp"}))
        end
    end)