//============================================================================
// Copyright 2017 ECMWF.
// This software is licensed under the terms of the Apache Licence version 2.0
// which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
// In applying this licence, ECMWF does not waive the privileges and immunities
// granted to it by virtue of its status as an intergovernmental organisation
// nor does it submit to any jurisdiction.
//
//============================================================================

#include "VUserVarAttr.hpp"
#include "VAttributeType.hpp"
#include "VNode.hpp"

#include "NodeAttr.hpp"

//================================
// VUserVarAttrType
//================================

VUserVarAttrType::VUserVarAttrType() : VAttributeType("var")
{
    dataCount_=3;
    searchKeyToData_["var_name"]=NameIndex;
    searchKeyToData_["var_value"]=ValueIndex;
    searchKeyToData_["var_type"]=TypeIndex;
    searchKeyToData_["name"]=NameIndex;
    scanProc_=VUserVarAttr::scan;
}

QString VUserVarAttrType::toolTip(QStringList d) const
{
    QString t="<b>Type:</b> User variable<br>";
    if(d.count() == dataCount_)
    {
        t+="<b>Name:</b> " + d[NameIndex] + "<br>";
        QString s=d[ValueIndex];
        if(s.size() > 150) s=s.left(150) + "...";
        t+="<b>Value:</b> " + s;
    }
    return t;
}

void VUserVarAttrType::encode(const Variable& v,QStringList& data) const
{
    data << qName_ <<
            QString::fromStdString(v.name()) <<
            QString::fromStdString(v.theValue());
}

//=====================================================
//
// VUserVarAttr
//
//=====================================================

VUserVarAttr::VUserVarAttr(VNode *parent,const Variable& /*v*/, int index) : VAttribute(parent,index)
{
    //name_=v.name();
}

VAttributeType* VUserVarAttr::type() const
{
    static VAttributeType* atype=VAttributeType::find("var");
    return atype;
}

QStringList VUserVarAttr::data(bool /*firstLine*/) const
{
    static auto* atype=static_cast<VUserVarAttrType*>(type());
    QStringList s;

    //Node
    if(parent_->isServer() == nullptr)
    {
        if(parent_->node_)
        {
            const std::vector<Variable>& v=parent_->node_->variables();
            atype->encode(v[index_],s);
        }
    }
    //Server
    else
    {
        std::vector<Variable> v;
        parent_->variables(v);
        atype->encode(v[index_],s);
    }

    return s;
}

std::string VUserVarAttr::strName() const
{
    //Node
    if(parent_->isServer() == nullptr)
    {
        if(parent_->node_)
        {
            const std::vector<Variable>& v=parent_->node_->variables();
            return v[index_].name();
        }
    }
    //Server
    else
    {
        std::vector<Variable> v;
        parent_->variables(v);
        return v[index_].name();
    }
    return std::string();
}

void VUserVarAttr::scan(VNode* vnode,std::vector<VAttribute*>& vec)
{
    //Node
    if(vnode->isServer() == nullptr)
    {
        if(vnode->node_)
        {
            const std::vector<Variable>& v=vnode->node_->variables();
            auto n=static_cast<int>(v.size());
            for(int i=0; i < n; i++)
            {
                vec.push_back(new VUserVarAttr(vnode,v[i],i));
            }
        }
    }
    //Server
    else
    {
        std::vector<Variable> v;
        vnode->variables(v);
        auto n=static_cast<int>(v.size());
        for(int i=0; i < n; i++)
        {
            vec.push_back(new VUserVarAttr(vnode,v[i],i));
        }
    }
}
