// Copyright 2019 Michael Fisher <mfisher@lvtk.org>
// SPDX-License-Identifier: ISC

#include <boost/test/unit_test.hpp>

#include "lvtk/ext/data_access.hpp"
#include "lvtk/ext/worker.hpp"
#include "lvtk/lvtk.hpp"
#include "lvtk/plugin.hpp"
#include "lvtk/ui.hpp"

#include <lv2/core/lv2.h>
#include <lv2/data-access/data-access.h>
#include <lv2/state/state.h>
#include <lv2/worker/worker.h>

#include <cstring>
#include <memory>
#include <string>
#include <vector>

// dummy plugin with worker interface
struct DataAccessPlug : lvtk::Plugin<DataAccessPlug, lvtk::Worker> {
    DataAccessPlug (const lvtk::Args& args) : Plugin (args) {}
};

// dummy UI that wants data access
struct DataAccessUI : lvtk::UI<DataAccessUI, lvtk::DataAccess> {
    DataAccessUI (const lvtk::UIArgs& args) : UI (args) {}
};

struct DataAccessTest {
    void plugin_extension_data() {
        lvtk::Descriptor<DataAccessPlug> reg ("http://fakeuri.com");
        const auto& desc = lvtk::descriptors().back();
        BOOST_ASSERT (strcmp (desc.URI, "http://fakeuri.com") == 0);

        lvtk::UIArgs args;
        args.bundle = "/fake/path";
        args.plugin = "http://fakeuri.com";
        LV2_Extension_Data_Feature data_data;
        data_data.data_access    = desc.extension_data;
        LV2_Feature data_feature = { LV2_DATA_ACCESS_URI, &data_data };
        args.features.push_back (data_feature);
        std::unique_ptr<DataAccessUI> ui (new DataAccessUI (args));
        BOOST_ASSERT (nullptr != ui->data_access (LV2_WORKER__interface));
        BOOST_ASSERT (nullptr == ui->data_access (LV2_STATE__interface));
        ui.reset();
        lvtk::descriptors().pop_back(); // needed so descriptor count test doesn't fail
    }
};

BOOST_AUTO_TEST_SUITE (DataAccess)

BOOST_AUTO_TEST_CASE (plugin_extension_data) {
    DataAccessTest().plugin_extension_data();
}

BOOST_AUTO_TEST_SUITE_END()