#include "node.h"


DateComparisonNode::DateComparisonNode(const Comparison &comparison, const Date &date)
    : _comparison(comparison), _date(date) {}

bool DateComparisonNode::Evaluate(const Date &date, const string &event) const {
  if (_comparison==Comparison::Equal) {
    return date==_date;
  }

  if (_comparison==Comparison::Greater) {
    return date > _date;
  }

  if (_comparison==Comparison::GreaterOrEqual) {
    return date >= _date;
  }

  if (_comparison==Comparison::Less) {
    return date < _date;
  }

  if (_comparison==Comparison::LessOrEqual) {
    return date <= _date;
  }

  if (_comparison==Comparison::NotEqual) {
    return date!=_date;
  }
}

EventComparisonNode::EventComparisonNode(const Comparison &comparison, const string &value)
    : _comparison(comparison), _value(value) {}

bool EventComparisonNode::Evaluate(const Date &date, const string &event) const {
  if (_comparison==Comparison::Equal) {
    return _value==event;
  }
  if (_comparison==Comparison::NotEqual) {
    return _value!=event;
  }
}

LogicalOperationNode::LogicalOperationNode(const LogicalOperation &logical_operation,
                                           const shared_ptr<Node> &left,
                                           const shared_ptr<Node> &right)
    : _logical_operation(logical_operation),
      _left(left), _right(right) {}

bool LogicalOperationNode::Evaluate(const Date &date, const string &event) const {
  if (_logical_operation==LogicalOperation::And) {
    return _left->Evaluate(date, event) && _right->Evaluate(date, event);
  }
  if (_logical_operation==LogicalOperation::Or) {
    return _left->Evaluate(date, event) || _right->Evaluate(date, event);
  }
}

bool EmptyNode::Evaluate(const Date &date, const string &event) const {
  return true;
}

Node::Node() {}

EmptyNode::EmptyNode() {}