//SPDX-FileCopyrightText: 2023 Yury Gubich <blue@macaw.me>
//SPDX-License-Identifier: GPL-3.0-or-later

#include "response.h"

#include "request/request.h"

constexpr std::array<uint16_t, static_cast<uint8_t>(Response::Status::__size)> statusCodes = {
    200,
    400,
    401,
    403,
    404,
    405,
    409,
    500
};

constexpr std::array<std::string_view, static_cast<uint8_t>(Response::Status::__size)> statuses = {
    "Status: 200 OK",
    "Status: 400 Bad Request",
    "Status: 401 Unauthorized",
    "Status: 403 Forbidden",
    "Status: 404 Not Found",
    "Status: 405 Method Not Allowed",
    "Status: 409 Conflict",
    "Status: 500 Internal Error"
};

constexpr std::array<std::string_view, static_cast<uint8_t>(Response::ContentType::__size)> contentTypes = {
    "Content-Type: text/plain",
    "Content-Type: application/json"
};

Response::Response(Request& request):
    request(request),
    status(Status::ok),
    type(ContentType::text),
    body()
{}

Response::Response(Request& request, Status status):
    request(request),
    status(status),
    type(ContentType::text),
    body()
{}

void Response::send() const {
    // OStream out = status == Status::ok ?
    //     request.getOutputStream() :
    //     request.getErrorStream();
    OStream out = request.getOutputStream();

    out << statuses[static_cast<uint8_t>(status)] << "\r\n";
    if (!body.empty())
        out << contentTypes[static_cast<uint8_t>(type)] << "\r\n"
        << "\r\n"
        << body;
    else
        out << "\r\n";

    request.responseIsComplete();
}

uint16_t Response::statusCode() const {
    return statusCodes[static_cast<uint8_t>(status)];
}

void Response::setBody(const std::string& body) {
    type = ContentType::text;
    Response::body = body;
}

void Response::setBody(const nlohmann::json& body) {
    type = ContentType::json;
    Response::body = body.dump();
}