/*
 * Copyright (C) 2018 CESNET, https://photonics.cesnet.cz/
 * Copyright (C) 2018 FIT CVUT, https://fit.cvut.cz/
 *
 * Written by Václav Kubernát <kubervac@fit.cvut.cz>
 *
*/
#include "utils.hpp"

std::string joinPaths(const std::string& prefix, const std::string& suffix)
{
    if (prefix.empty() || suffix.empty() || prefix == "/")
        return prefix + suffix;
    else
        return prefix + '/' + suffix;
}

std::string stripLastNodeFromPath(const std::string& path)
{
    std::string res = path;
    auto pos = res.find_last_of('/');
    if (pos == res.npos)
        res.clear();
    else
        res.erase(pos);
    return res;
}

path_ pathWithoutLastNode(const path_& path)
{
    return path_{path.m_scope, decltype(path_::m_nodes)(path.m_nodes.begin(), path.m_nodes.end() - 1)};
}

std::string leafDataTypeToString(yang::LeafDataTypes type)
{
    switch (type) {
    case yang::LeafDataTypes::String:
        return "a string";
    case yang::LeafDataTypes::Decimal:
        return "a decimal";
    case yang::LeafDataTypes::Bool:
        return "a boolean";
    case yang::LeafDataTypes::Int:
        return "an integer";
    case yang::LeafDataTypes::Uint:
        return "an unsigned integer";
    case yang::LeafDataTypes::Enum:
        return "an enum";
    default:
        return "";
    }
}

std::string fullNodeName(const path_& location, const ModuleNodePair& pair)
{
    if (!pair.first) {
        return location.m_nodes.at(0).m_prefix.value().m_name + ":" + pair.second;
    } else {
        return pair.first.value() + ":" + pair.second;
    }
}