#include <gtest/gtest.h>

#include <array>
#include <cstdio>
#include <fstream>
#include <string>

#include <cpr/cpr.h>
#include <cpr/multipart.h>

#include "httpServer.hpp"

using namespace cpr;

static HttpServer* server = new HttpServer();

TEST(UrlEncodedPostTests, UrlPostSingleTest) {
    Url url{server->GetBaseUrl() + "/url_post.html"};
    Response response = cpr::Post(url, Payload{{"x", "5"}});
    std::string expected_text{
            "{\n"
            "  \"x\": 5\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, UrlPostAddPayloadPair) {
    Url url{server->GetBaseUrl() + "/url_post.html"};
    Payload payload{{"x", "1"}};
    payload.Add({"y", "2"});
    Response response = cpr::Post(url, payload);
    std::string expected_text{
            "{\n"
            "  \"x\": 1,\n"
            "  \"y\": 2,\n"
            "  \"sum\": 3\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
}

TEST(UrlEncodedPostTests, UrlPostPayloadIteratorTest) {
    Url url{server->GetBaseUrl() + "/url_post.html"};
    std::vector<Pair> payloadData;
    payloadData.emplace_back("x", "1");
    payloadData.emplace_back("y", "2");
    Response response = cpr::Post(url, Payload(payloadData.begin(), payloadData.end()));
    std::string expected_text{
            "{\n"
            "  \"x\": 1,\n"
            "  \"y\": 2,\n"
            "  \"sum\": 3\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
}

TEST(UrlEncodedPostTests, UrlPostEncodeTest) {
    Url url{server->GetBaseUrl() + "/url_post.html"};
    Response response = cpr::Post(url, Payload{{"x", "hello world!!~"}});
    std::string expected_text{
            "{\n"
            "  \"x\": hello world!!~\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, UrlPostEncodeNoCopyTest) {
    Url url{server->GetBaseUrl() + "/url_post.html"};
    Payload payload{{"x", "hello world!!~"}};
    // payload lives through the lifetime of Post, so it doesn't need to be copied
    Response response = cpr::Post(url, payload);
    std::string expected_text{
            "{\n"
            "  \"x\": hello world!!~\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, UrlPostManyTest) {
    Url url{server->GetBaseUrl() + "/url_post.html"};
    Response response = cpr::Post(url, Payload{{"x", "5"}, {"y", "13"}});
    std::string expected_text{
            "{\n"
            "  \"x\": 5,\n"
            "  \"y\": 13,\n"
            "  \"sum\": 18\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, UrlPostBadHostTest) {
    Url url{"http://bad_host/"};
    Response response = cpr::Post(url, Payload{{"hello", "world"}});
    EXPECT_EQ(std::string{}, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{}, response.header["content-type"]);
    EXPECT_EQ(0, response.status_code);
    EXPECT_EQ(ErrorCode::HOST_RESOLUTION_FAILURE, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostSingleTest) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", 5}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"5\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileTest) {
    std::string filename{"test_file"};
    std::string content{"hello world"};
    std::ofstream test_file;
    test_file.open(filename);
    test_file << content;
    test_file.close();
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", File{filename}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=" +
            content +
            "\"\n"
            "}"};
    std::remove(filename.c_str());
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostMultipleFilesTestLvalue) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    std::string filename1{"file1"};
    std::string content1{"apple"};
    std::ofstream file1;
    file1.open(filename1);
    file1 << content1;
    file1.close();
    std::string filename2{"file2"};
    std::string content2{"banana"};
    std::ofstream file2;
    file2.open(filename2);
    file2 << content2;
    file2.close();
    File singleFile{"file1"};
    File singleFileWithOverridenFilename{"file1", "applefile"};
    Files multipleFiles{"file1", "file2"};
    Files multipleFilesWithOverridenFilename{
            File{"file1", "applefile"},
            File{"file2", "bananafile"},
    };
    {
        Response response = cpr::Post(url, Multipart{{"files", singleFile}});
        std::string expected_text{
                "{\n"
                "  \"files\": \"file1=" +
                content1 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    {
        Response response = cpr::Post(url, Multipart{{"singleFile", singleFileWithOverridenFilename}});
        std::string expected_text{
                "{\n"
                "  \"singleFile\": \"applefile=" +
                content1 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    {
        Response response = cpr::Post(url, Multipart{{"files", multipleFiles}});
        std::string expected_text{
                "{\n"
                "  \"files\": \"file1=" +
                content1 +
                "\",\n"
                "  \"files\": \"file2=" +
                content2 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    {
        Response response = cpr::Post(url, Multipart{{"files", multipleFilesWithOverridenFilename}});
        std::string expected_text{
                "{\n"
                "  \"files\": \"applefile=" +
                content1 +
                "\",\n"
                "  \"files\": \"bananafile=" +
                content2 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    std::remove(filename1.c_str());
    std::remove(filename2.c_str());
}

TEST(UrlEncodedPostTests, FormPostMultipleFilesTestRvalue) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    std::string filename1{"file1"};
    std::string content1{"apple"};
    std::ofstream file1;
    file1.open(filename1);
    file1 << content1;
    file1.close();
    std::string filename2{"file2"};
    std::string content2{"banana"};
    std::ofstream file2;
    file2.open(filename2);
    file2 << content2;
    file2.close();
    {
        Response response = cpr::Post(url, Multipart{{"files", File{"file1"}}});
        std::string expected_text{
                "{\n"
                "  \"files\": \"file1=" +
                content1 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    {
        Response response = cpr::Post(url, Multipart{{"files", File{"file1", "applefile"}}});
        std::string expected_text{
                "{\n"
                "  \"files\": \"applefile=" +
                content1 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    {
        Response response = cpr::Post(url, Multipart{{"files", Files{"file1", "file2"}}});
        std::string expected_text{
                "{\n"
                "  \"files\": \"file1=" +
                content1 +
                "\",\n"
                "  \"files\": \"file2=" +
                content2 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    {
        Response response = cpr::Post(url, Multipart{{"files", Files{
                                                                       File{"file1", "applefile"},
                                                                       File{"file2", "bananafile"},
                                                               }}});
        std::string expected_text{
                "{\n"
                "  \"files\": \"applefile=" +
                content1 +
                "\",\n"
                "  \"files\": \"bananafile=" +
                content2 + "\"\n}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
    std::remove(filename1.c_str());
    std::remove(filename2.c_str());
}

TEST(UrlEncodedPostTests, FormPostFileTestWithOverridenFilename) {
    std::string filename{"test_file"};
    std::string overided_filename{"overided_filename"};
    std::string content{"hello world"};
    std::ofstream test_file;
    test_file.open(filename);
    test_file << content;
    test_file.close();
    Url url{server->GetBaseUrl() + "/form_post.html"};

    Response response = cpr::Post(url, Multipart{{"x", File{filename, overided_filename}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"" +
            overided_filename + "=" + content +
            "\"\n"
            "}"};
    std::remove(filename.c_str());
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileNoCopyTest) {
    std::string filename{"./test_file"};
    std::string content{"hello world"};
    std::ofstream test_file;
    test_file.open(filename);
    test_file << content;
    test_file.close();
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Multipart multipart{{"x", File{filename}}};
    Response response = cpr::Post(url, multipart);
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=" +
            content +
            "\"\n"
            "}"};
    std::remove(filename.c_str());
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileNoCopyTestWithOverridenFilename) {
    std::string filename{"test_file"};
    std::string overriden_filename{"overided_filename"};
    std::string content{"hello world"};
    std::ofstream test_file;
    test_file.open(filename);
    test_file << content;
    test_file.close();
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Multipart multipart{{"x", File{filename, overriden_filename}}};
    Response response = cpr::Post(url, multipart);
    std::string expected_text{
            "{\n"
            "  \"x\": \"" +
            overriden_filename + "=" + content +
            "\"\n"
            "}"};
    std::remove(filename.c_str());
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, TimeoutPostTest) {
    Url url{server->GetBaseUrl() + "/json_post.html"};
    std::string body{R"({"RegisterObject": {"DeviceID": "65010000005030000001"}})"};
    cpr::Response response = cpr::Post(url, cpr::Header{{"Content-Type", "application/json"}}, cpr::Body{body}, cpr::ConnectTimeout{3000}, cpr::Timeout{3000});
    std::string expected_text{R"({"RegisterObject": {"DeviceID": "65010000005030000001"}})"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileBufferTest) {
    std::string content{"hello world"};
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", Buffer{content.begin(), content.end(), "test_file"}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=" +
            content +
            "\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileBufferNoCopyTest) {
    std::string content{"hello world"};
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Multipart multipart{{"x", Buffer{content.begin(), content.end(), "test_file"}}};
    Response response = cpr::Post(url, multipart);
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=" +
            content +
            "\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileBufferPointerTest) {
    const char* content = "hello world";
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", Buffer{content, 11 + content, "test_file"}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=" +
            std::string(content) +
            "\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileBufferArrayTest) {
    const char content[] = "hello world";
    Url url{server->GetBaseUrl() + "/form_post.html"};
    // We subtract 1 from std::end() because we don't want to include the terminating null
    Response response = cpr::Post(url, Multipart{{"x", Buffer{std::begin(content), std::end(content) - 1, "test_file"}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=" +
            std::string(content) +
            "\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileBufferVectorTest) {
    std::vector<unsigned char> content{'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'};
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", Buffer{content.begin(), content.end(), "test_file"}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=hello world\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostFileBufferStdArrayTest) {
    std::array<unsigned char, 11> content{{'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'}};
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", Buffer{content.begin(), content.end(), "test_file"}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=hello world\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostBufferRvalueTest) {
    std::vector<unsigned char> content{'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'};
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", Buffer{content.begin(), content.end(), "test_file"}}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=hello world\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, ReflectPostBufferLvalueTest) {
    std::vector<unsigned char> content{'h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd'};
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Buffer buff{content.begin(), content.end(), "test_file"};
    Response response = cpr::Post(url, Multipart{{"x", buff}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"test_file=hello world\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostManyTest) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", 5}, {"y", 13}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"5\",\n"
            "  \"y\": \"13\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostManyNoCopyTest) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Multipart multipart{{"x", 5}, {"y", 13}};
    Response response = cpr::Post(url, multipart);
    std::string expected_text{
            "{\n"
            "  \"x\": \"5\",\n"
            "  \"y\": \"13\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostContentTypeTest) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url, Multipart{{"x", 5, "application/number"}});
    std::string expected_text{
            "{\n"
            "  \"x\": \"5\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, FormPostContentTypeLValueTest) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Multipart multipart{{"x", 5, "application/number"}};
    Response response = cpr::Post(url, multipart);
    std::string expected_text{
            "{\n"
            "  \"x\": \"5\"\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, UrlPostAsyncSingleTest) {
    Url url{server->GetBaseUrl() + "/url_post.html"};
    Payload payload{{"x", "5"}};
    std::vector<AsyncResponse> responses;
    for (size_t i = 0; i < 10; ++i) {
        responses.emplace_back(cpr::PostAsync(url, payload));
    }
    for (cpr::AsyncResponse& future_response : responses) {
        cpr::Response response = future_response.get();
        std::string expected_text{
                "{\n"
                "  \"x\": 5\n"
                "}"};
        EXPECT_EQ(expected_text, response.text);
        EXPECT_EQ(url, response.url);
        EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
        EXPECT_EQ(201, response.status_code);
        EXPECT_EQ(ErrorCode::OK, response.error.code);
    }
}

TEST(UrlEncodedPostTests, UrlReflectTest) {
    Url url{server->GetBaseUrl() + "/header_reflect.html"};
    Response response = cpr::Post(url, Payload{{"x", "5"}});
    std::string expected_text{"Header reflect POST"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(200, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(UrlEncodedPostTests, PostWithNoBodyTest) {
    Url url{server->GetBaseUrl() + "/form_post.html"};
    Response response = cpr::Post(url);
    std::string expected_text{"{\n}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

static std::string getTimestamp() {
    char buf[1000];
    time_t now = time(0);
    struct tm* tm = gmtime(&now);
    strftime(buf, sizeof buf, "%a, %d %b %Y %H:%M:%S GMT", tm);
    return buf;
}

TEST(UrlEncodedPostTests, PostReflectTest) {
    std::string uri = server->GetBaseUrl() + "/post_reflect.html";
    std::string body = R"({"property1": "value1"})";
    std::string contentType = "application/json";
    std::string signature = "x-ms-date: something";
    std::string logType = "LoggingTest";
    std::string date = getTimestamp();
    Response response = cpr::Post(cpr::Url(uri), cpr::Header{{"content-type", contentType}, {"Authorization", signature}, {"log-type", logType}, {"x-ms-date", date}, {"content-length", std::to_string(body.length())}}, cpr::Body(body));
    EXPECT_EQ(ErrorCode::OK, response.error.code);
    EXPECT_EQ(200, response.status_code);
    EXPECT_EQ(body, response.text);
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(signature, response.header["Authorization"]);
    EXPECT_EQ(logType, response.header["log-type"]);
    EXPECT_EQ(date, response.header["x-ms-date"]);
    EXPECT_EQ(std::to_string(body.length()), response.header["content-length"]);
}

TEST(UrlEncodedPostTests, PostReflectPayloadTest) {
    std::string uri = server->GetBaseUrl() + "/header_reflect.html";
    cpr::Payload payload = cpr::Payload{{"email", ""}, {"password", ""}, {"devicetoken", ""}};
    cpr::Response response = cpr::Post(cpr::Url(uri), cpr::Timeout{10000}, payload);

    EXPECT_EQ(ErrorCode::OK, response.error.code);
    EXPECT_EQ(200, response.status_code);
}

TEST(UrlEncodedPostTests, InjectMultipleHeadersTest) {
    std::string uri = server->GetBaseUrl() + "/post_reflect.html";
    std::string key_1 = "key_1";
    std::string val_1 = "value_1";
    std::string key_2 = "key_2";
    std::string val_2 = "value_2";
    cpr::Response response = cpr::Post(cpr::Url{uri}, cpr::Header{{key_1, val_1}}, cpr::Header{{key_2, val_2}});

    EXPECT_EQ(ErrorCode::OK, response.error.code);
    EXPECT_EQ(200, response.status_code);
    EXPECT_EQ(val_1, response.header[key_1]);
    EXPECT_EQ(val_2, response.header[key_2]);
}

TEST(UrlEncodedPostTests, PostBodyWithFile) {
    std::string filename{"test_file"};
    std::string expected_text(R"({"property1": "value1"})");
    std::ofstream test_file;
    test_file.open(filename);
    test_file << expected_text;
    test_file.close();
    Url url{server->GetBaseUrl() + "/post_reflect.html"};
    cpr::Response response = Post(url, cpr::Header({{"Content-Type", "application/octet-stream"}}), cpr::Body(File("test_file")));
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
    EXPECT_EQ(std::string{"application/octet-stream"}, response.header["content-type"]);
    EXPECT_EQ(200, response.status_code);
}

TEST(UrlEncodedPostTests, PostBodyWithBuffer) {
    Url url{server->GetBaseUrl() + "/post_reflect.html"};
    std::string expected_text(R"({"property1": "value1"})");
    cpr::Response response = Post(url, cpr::Header({{"Content-Type", "application/octet-stream"}}), cpr::Body(Buffer{expected_text.begin(), expected_text.end(), "test_file"}));
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(url, response.url);
    EXPECT_EQ(std::string{"application/octet-stream"}, response.header["content-type"]);
    EXPECT_EQ(200, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(PostRedirectTests, TempRedirectTest) {
    Url url{server->GetBaseUrl() + "/temporary_redirect.html"};
    Response response = cpr::Post(url, Payload{{"x", "5"}}, Header{{"RedirectLocation", "url_post.html"}});
    std::string expected_text{
            "{\n"
            "  \"x\": 5\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(response.url, server->GetBaseUrl() + "/url_post.html");
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(PostRedirectTests, TempRedirectNoneTest) {
    Url url{server->GetBaseUrl() + "/temporary_redirect.html"};
    Response response = cpr::Post(url, Payload{{"x", "5"}}, Header{{"RedirectLocation", "url_post.html"}}, Redirect(PostRedirectFlags::NONE));
    EXPECT_EQ(response.url, server->GetBaseUrl() + "/url_post.html");
    EXPECT_EQ(405, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(PostRedirectTests, PermRedirectTest) {
    Url url{server->GetBaseUrl() + "/permanent_redirect.html"};
    Response response = cpr::Post(url, Payload{{"x", "5"}}, Header{{"RedirectLocation", "url_post.html"}});
    std::string expected_text{
            "{\n"
            "  \"x\": 5\n"
            "}"};
    EXPECT_EQ(expected_text, response.text);
    EXPECT_EQ(response.url, server->GetBaseUrl() + "/url_post.html");
    EXPECT_EQ(std::string{"application/json"}, response.header["content-type"]);
    EXPECT_EQ(201, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

TEST(PostRedirectTests, PermRedirectNoneTest) {
    Url url{server->GetBaseUrl() + "/permanent_redirect.html"};
    Response response = cpr::Post(url, Payload{{"x", "5"}}, Header{{"RedirectLocation", "url_post.html"}}, Redirect(PostRedirectFlags::NONE));
    EXPECT_EQ(response.url, server->GetBaseUrl() + "/url_post.html");
    EXPECT_EQ(405, response.status_code);
    EXPECT_EQ(ErrorCode::OK, response.error.code);
}

int main(int argc, char** argv) {
    ::testing::InitGoogleTest(&argc, argv);
    ::testing::AddGlobalTestEnvironment(server);
    return RUN_ALL_TESTS();
}