#include <gtest/gtest.h>
#include "webfuse_provider/impl/jsonrpc/response_intern.h"
#include "webfuse_provider/status.h"

TEST(wfp_json_response, init_result)
{
    json_t * message = json_object();
    json_object_set_new(message, "result", json_integer(47));
    json_object_set_new(message, "id", json_integer(11));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(nullptr, response.error);
    ASSERT_TRUE(json_is_integer(response.result));
    ASSERT_EQ(47, json_integer_value(response.result));
    ASSERT_EQ(11, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}

TEST(wfp_json_response, init_error)
{
    json_t * message = json_object();
    json_t * err = json_object();
    json_object_set_new(err, "code", json_integer(42));
    json_object_set_new(err, "message", json_string("Don't Panic!"));
    json_object_set_new(message, "error", err);
    json_object_set_new(message, "id", json_integer(23));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(42, json_integer_value(json_object_get(response.error, "code")));
    ASSERT_STREQ("Don't Panic!", json_string_value(json_object_get(response.error, "message")));
    ASSERT_EQ(nullptr, response.result);
    ASSERT_EQ(23, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}

TEST(wfp_json_response, init_fail_missing_result_and_error)
{
    json_t * message = json_object();
    json_object_set_new(message, "id", json_integer(12));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(WFP_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
    ASSERT_EQ(nullptr, response.result);
    ASSERT_EQ(12, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}

TEST(wfp_json_response, init_fail_missing_id)
{
    json_t * message = json_object();
    json_object_set_new(message, "result", json_integer(47));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(WFP_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
    ASSERT_EQ(nullptr, response.result);
    ASSERT_EQ(-1, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}

TEST(wfp_json_response, init_fail_wrong_id_type)
{
    json_t * message = json_object();
    json_object_set_new(message, "result", json_integer(47));
    json_object_set_new(message, "id", json_string("42"));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(WFP_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
    ASSERT_EQ(nullptr, response.result);
    ASSERT_EQ(-1, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}

TEST(wfp_json_response, init_fail_error_missing_code)
{
    json_t * message = json_object();
    json_t * err = json_object();
    json_object_set_new(err, "message", json_string("Don't Panic!"));
    json_object_set_new(message, "error", err);
    json_object_set_new(message, "id", json_integer(23));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(WFP_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
    ASSERT_EQ(nullptr, response.result);
    ASSERT_EQ(23, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}

TEST(wfp_json_response, init_fail_error_wrong_code_type)
{
    json_t * message = json_object();
    json_t * err = json_object();
    json_object_set_new(err, "code", json_string("42"));
    json_object_set_new(err, "message", json_string("Don't Panic!"));
    json_object_set_new(message, "error", err);
    json_object_set_new(message, "id", json_integer(23));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(WFP_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
    ASSERT_EQ(nullptr, response.result);
    ASSERT_EQ(23, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}

TEST(wfp_json_response, init_fail_error_wrong_type)
{
    json_t * message = json_object();
    json_object_set_new(message, "error", json_string("invalid error type"));
    json_object_set_new(message, "id", json_integer(23));

    struct wfp_jsonrpc_response response;
    wfp_jsonrpc_response_init(&response, message);

    ASSERT_EQ(WFP_BAD_FORMAT, json_integer_value(json_object_get(response.error, "code")));
    ASSERT_EQ(nullptr, response.result);
    ASSERT_EQ(23, response.id);

    wfp_jsonrpc_response_cleanup(&response);
    json_decref(message);
}