/*  This file is part of mastodon-cpp.
 *  Copyright © 2018 tastytea <tastytea@tastytea.de>
 *                                                                   
 *  This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation, version 3.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#include <iostream>
#include "macros.hpp"
#include "mastodon-cpp.hpp"

using namespace Mastodon;
using std::cerr;

uint_fast16_t API::get(const Mastodon::API::v1 &call,
                       const parametermap &parameters, string &answer)
{
    string strcall = "";
    string strid = "";

    // The ID is part of the path
    const auto &it = parameters.find("id");
    if (it != parameters.end())
    {
        strid = it->second[0];
    }

    switch (call)
    {
        case v1::accounts_verify_credentials:
            strcall = "/api/v1/accounts/verify_credentials";
            break;
        case v1::blocks:
            strcall = "/api/v1/blocks";
            break;
        case v1::domain_blocks:
            strcall = "/api/v1/domain_blocks";
            break;
        case v1::favourites:
            strcall = "/api/v1/favourites";
            break;
        case v1::follow_requests:
            strcall = "/api/v1/follow_requests";
            break;
        case v1::instance:
            strcall = "/api/v1/instance";
            break;
        case v1::custom_emojis:
            strcall = "/api/v1/custom_emojis";
            break;
        case v1::lists:
            strcall = "/api/v1/lists";
            break;
        case v1::mutes:
            strcall = "/api/v1/mutes";
            break;
        case v1::notifications:
            strcall = "/api/v1/notifications";
            break;
        case v1::reports:
            strcall = "/api/v1/reports";
            break;
        case v1::timelines_home:
            strcall = "/api/v1/timelines/home";
            break;
        case v1::timelines_public:
            strcall = "/api/v1/timelines/public";
            break;
        case v1::accounts_relationships:
            strcall = "/api/v1/accounts/relationships";
            break;
        case v1::accounts_id:
            strcall = "/api/v1/accounts/" + strid;
            break;
        case v1::accounts_id_followers:
            strcall = "/api/v1/accounts/" + strid + "/followers";
            break;
        case v1::accounts_id_following:
            strcall = "/api/v1/accounts/" + strid + "/following";
            break;
        case v1::accounts_id_statuses:
            strcall = "/api/v1/accounts/" + strid + "/statuses";
            break;
        case v1::accounts_search:
            strcall = "/api/v1/accounts/search";
            break;
        case v1::accounts_id_lists:
            strcall = "/api/v1/accounts/" + strid + "/lists";
            break;
        case v1::lists_id_accounts:
            strcall = "/api/v1/lists/" + strid + "/accounts";
            break;
        case v1::lists_id:
            strcall = "/api/v1/lists/" + strid;
            break;
        case v1::notifications_id:
            strcall = "/api/v1/notifications/" + strid;
            break;
        case v1::search:
            strcall = "/api/v1/search";
            break;
        case v1::statuses_id:
            strcall = "/api/v1/statuses/" + strid;
            break;
        case v1::statuses_id_context:
            strcall = "/api/v1/statuses/" + strid + "/context";
            break;
        case v1::statuses_id_card:
            strcall = "/api/v1/statuses/" + strid + "/card";
            break;
        case v1::statuses_id_reblogged_by:
            strcall = "/api/v1/statuses/" + strid + "/reblogged_by";
            break;
        case v1::statuses_id_favourited_by:
            strcall = "/api/v1/statuses/" + strid + "/favourited_by";
            break;
        case v1::timelines_tag_hashtag:
            {
                // The hashtag is part of the path
                const auto &it = parameters.find("hashtag");
                if (it != parameters.end())
                {
                    strcall = "/api/v1/timelines/tag/" + urlencode(it->second[0]);
                }
                else
                {
                    ttdebug << "ERROR: Invalid call.\n";
                    return 11;
                }
            }
            break;
        case v1::timelines_list_list_id:
            strcall = "/api/v1/timelines/list/" + strid;
            break;
        case v1::push_subscription:
            strcall = "/api/v1/push/subscription";
            break;
        case v1::endorsements:
            strcall = "/api/v1/endorsements";
            break;
        case v1::bookmarks:
            strcall = "/api/v1/bookmarks";
            break;
        default:
            ttdebug << "ERROR: Invalid call.\n";
            return 11;
            break;
    }

    if (parameters.size() > 0)
    {
        // Delete the parameters that are already in strcall
        parametermap newparameters = parameters;
        newparameters.erase("id");
        newparameters.erase("hashtag");
        strcall += maptostr(newparameters);
    }

    return get(strcall, answer);
}

uint_fast16_t API::get(const Mastodon::API::v2 &call,
                       const parametermap &parameters, string &answer)
{
    string strcall = "";
    string strid = "";

    // The ID is part of the path
    const auto &it = parameters.find("id");
    if (it != parameters.end())
    {
        strid = it->second[0];
    }

    switch (call)
    {
        case v2::search:
            strcall = "/api/v2/search";
            break;
        default:
            ttdebug << "ERROR: Invalid call.\n";
            return 11;
            break;
    }

    if (parameters.size() > 0)
    {
        // Delete the parameters that are already in strcall
        parametermap newparameters = parameters;
        newparameters.erase("id");
        newparameters.erase("hashtag");
        strcall += maptostr(newparameters);
    }

    return get(strcall, answer);
}

uint_fast16_t API::get(const Mastodon::API::v1 &call, string &answer)
{
    const parametermap p;
    return get(call, p, answer);
}

uint_fast16_t API::get(const std::string &call, string &answer)
{
    return _http.request(http::method::GET, call, answer);
}



// ↓↓ DEPRECATED ↓↓

uint_fast16_t API::get(const Mastodon::API::v1 &call,
                       const string &argument,
                       const parametermap &parameters, string &answer)
{
    parametermap newparameters = parameters;

    // Emulate old behaviour
    switch (call)
    {
        case v1::search:
        case v1::accounts_search:
            newparameters["q"] = { argument };
            break;
        case v1::timelines_tag_hashtag:
            newparameters["hashtag"] = { argument };
            break;
        default:
            newparameters["id"] = { argument };
            break;
    }

    return get(call, newparameters, answer);
}

uint_fast16_t API::get(const Mastodon::API::v1 &call,
                       const string &argument, string &answer)
{
    const parametermap p;
    return get(call, argument, p, answer);
}