#ifndef DOMAIN_RULE_H
#define DOMAIN_RULE_H

#include "addressspace.h"
#include "value.h"
#include "functionsignature.h"

#include <map>
#include <string>
#include <vector>
#include <optional>

namespace domain {

struct RuleContext {
    std::map<std::string, AddressSpace> addressSpaces;
    std::map<std::string, Value> attributes;
    std::map<std::string, FunctionCallback> function;
};

class Condition {
    bool negated;
    std::string function;
    std::vector<Value> params;

public:
    Condition(std::string function, std::vector<Value> params, bool negated);

    bool evaluate(RuleContext &context);
};

class Action {
public:
    enum ActionType {
        ERROR,
        WARNING
    };

private:
    ActionType type;
    std::string message;

public:
    Action(ActionType type, std::string message);

    ActionType getType();
    std::string getMessage();
};

class IfStatement {
    Condition condition;
    Action action;
public:
    IfStatement(Condition condition, Action action);

    std::optional<Action> evaluate(RuleContext &context);
};

class Rule
{
    std::vector<IfStatement> statements;
public:
    Rule(std::vector<IfStatement> statements);

    std::optional<Action> evaluate(RuleContext &context);
};

} // namespace domain

#endif // DOMAIN_RULE_H