/*
 * ModSecurity, http://www.modsecurity.org/
 * Copyright (c) 2015 Trustwave Holdings, Inc. (http://www.trustwave.com/)
 *
 * You may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * If any of the files related to licensing are missing or if you have any
 * other questions related to licensing please contact Trustwave Holdings, Inc.
 * directly using the email address security@modsecurity.org.
 *
 */

#include "actions/phase.h"

#include <iostream>
#include <string>

#include "modsecurity/transaction.h"
#include "modsecurity/rule.h"
#include "src/utils.h"
#include "modsecurity/modsecurity.h"

namespace modsecurity {
namespace actions {

bool Phase::init(std::string *error) {
    std::string a = tolower(m_parser_payload);

    try {
        m_phase = std::stoi(m_parser_payload);
    } catch (...) {
        m_phase = 0;
        if (a == "request") {
            m_phase = ModSecurity::Phases::RequestHeadersPhase;
            m_secRulesPhase = 2;
        }
        if (a == "response") {
            m_phase = ModSecurity::Phases::ResponseBodyPhase;
            m_secRulesPhase = 4;
        }
        if (a == "logging") {
            m_phase = ModSecurity::Phases::LoggingPhase;
            m_secRulesPhase = 5;
        }
    }

    if (m_phase == 0) {
      /* Phase 0 is something new, we want to use as ConnectionPhase */
      m_phase = ModSecurity::Phases::ConnectionPhase;
      m_secRulesPhase = 1;
    } else {
      /* Otherwise we want to shift the rule to the correct phase */
      m_secRulesPhase = m_phase;
      m_phase = m_phase + 1;
    }

    if (m_phase > ModSecurity::Phases::NUMBER_OF_PHASES) {
        error->assign("Unknown phase: " + std::to_string(m_phase));
        return false;
    }
    return true;
}


bool Phase::evaluate(Rule *rule, Transaction *transaction) {
    rule->phase = m_phase;
    return true;
}

}  // namespace actions
}  // namespace modsecurity