/*
 Copyright 2017 Herik Lima de Castro and Marcelo Medeiros Eler
 Distributed under MIT license, or public domain if desired and
 recognized in your jurisdiction.
 See file LICENSE for detail.
*/

#include "cstlcompilerif.h"
#include "constants.h"

CWF_BEGIN_NAMESPACE

CSTLCompilerIf::CSTLCompilerIf(const QXmlStreamAttributes &attr)
{
    int size = attr.size();
    if (size == 0 || size == 1) {
        relationalOperator = RelationalOperator::ERROR;
        attributes.insert(CSTL::TAG::PROPERTY::ERROR,
                          "***ERROR IF TAG - IF TAG NEEDS TWO ATTRIBUTES ***");
    } else if (size == 2) {
        for (int i = 0; i < size; ++i) {
            QString name(attr[i].name().toString().toLower());
            QString value(attr[i].value().toString());
            if (name == CSTL::TAG::PROPERTY::VAR) {
                attributes.insert(CSTL::TAG::PROPERTY::VAR, value);
            } else {
                if (name == CSTL::TAG::PROPERTY::IF::EQUAL) {
                    relationalOperator = RelationalOperator::EQUAL;
                } else if (name == CSTL::TAG::PROPERTY::IF::DIFFERENT) {
                    relationalOperator = RelationalOperator::DIFFERENT;
                } else if (name == CSTL::TAG::PROPERTY::IF::GREATER) {
                    relationalOperator = RelationalOperator::GREATER;
                } else if (name == CSTL::TAG::PROPERTY::IF::GREATER_EQUAL) {
                    relationalOperator = RelationalOperator::GREATER_EQUAL;
                } else if (name == CSTL::TAG::PROPERTY::IF::LESS) {
                    relationalOperator = RelationalOperator::LESS;
                } else if (name == CSTL::TAG::PROPERTY::IF::LESS_EQUAL) {
                    relationalOperator = RelationalOperator::LESS_EQUAL;
                } else {
                    relationalOperator = RelationalOperator::ERROR;
                    attributes
                        .insert(CSTL::TAG::PROPERTY::ERROR,
                                "***ERROR IF TAG - IF TAG DOESN'T PERMITS AN ATTRIBUTE CALLED \""
                                    + name + "\"***");
                    break;
                }

                value.toDouble(&isNumber);
                attributes.insert(CSTL::TAG::PROPERTY::CONDITION, value);
            }
        }
    } else if (size > 2) {
        relationalOperator = RelationalOperator::ERROR;
        attributes.insert(CSTL::TAG::PROPERTY::ERROR,
                          "***ERROR IF TAG - IF TAG DOESN'T PERMITS MORE THAN ONE ATTRIBUTE ***");
    }
}

CWF_END_NAMESPACE