//------------------------------------------------------------------------------
/*
    This file is part of rippled: https://github.com/ripple/rippled
    Copyright (c) 2012-2017 Ripple Labs Inc

    Permission to use, copy, modify, and/or distribute this software for any
    purpose  with  or without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies.

    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#ifndef RIPPLE_TEST_CSF_VALIDATION_H_INCLUDED
#define RIPPLE_TEST_CSF_VALIDATION_H_INCLUDED

#include <ripple/basics/tagged_integer.h>
#include <boost/optional.hpp>
#include <memory>
#include <test/csf/ledgers.h>
#include <utility>

namespace ripple {
namespace test {
namespace csf {

struct PeerIDTag;
//< Uniquely identifies a peer
using PeerID = tagged_integer<std::uint32_t, PeerIDTag>;

/** The current key of a peer

    Eventually, the second entry in the pair can be used to model ephemeral
    keys. Right now, the convention is to have the second entry 0 as the
    master key.
*/
using PeerKey = std::pair<PeerID, std::uint32_t>;

/** Validation of a specific ledger by a specific Peer.
 */
class Validation
{
    Ledger::ID ledgerID_{0};
    Ledger::Seq seq_{0};

    NetClock::time_point signTime_;
    NetClock::time_point seenTime_;
    PeerKey key_;
    PeerID nodeID_{0};
    bool trusted_ = false;
    bool full_ = false;
    boost::optional<std::uint32_t> loadFee_;
    std::uint64_t cookie_{0};

public:
    using NodeKey = PeerKey;
    using NodeID = PeerID;

    Validation(
        Ledger::ID id,
        Ledger::Seq seq,
        NetClock::time_point sign,
        NetClock::time_point seen,
        PeerKey key,
        PeerID nodeID,
        bool full,
        boost::optional<std::uint32_t> loadFee = boost::none,
        std::uint64_t cookie = 0)
        : ledgerID_{id}
        , seq_{seq}
        , signTime_{sign}
        , seenTime_{seen}
        , key_{key}
        , nodeID_{nodeID}
        , full_{full}
        , loadFee_{loadFee}
        , cookie_{cookie}
    {
    }

    Ledger::ID
    ledgerID() const
    {
        return ledgerID_;
    }

    Ledger::Seq
    seq() const
    {
        return seq_;
    }

    NetClock::time_point
    signTime() const
    {
        return signTime_;
    }

    NetClock::time_point
    seenTime() const
    {
        return seenTime_;
    }

    PeerKey
    key() const
    {
        return key_;
    }

    PeerID
    nodeID() const
    {
        return nodeID_;
    }

    bool
    trusted() const
    {
        return trusted_;
    }

    bool
    full() const
    {
        return full_;
    }

    std::uint64_t
    cookie() const
    {
        return cookie_;
    }

    boost::optional<std::uint32_t>
    loadFee() const
    {
        return loadFee_;
    }

    Validation const&
    unwrap() const
    {
        // For the rippled implementation in which RCLValidation wraps
        // STValidation, the csf::Validation has no more specific type it
        // wraps, so csf::Validation unwraps to itself
        return *this;
    }

    auto
    asTie() const
    {
        // trusted is a status set by the receiver, so it is not part of the tie
        return std::tie(
            ledgerID_,
            seq_,
            signTime_,
            seenTime_,
            key_,
            nodeID_,
            loadFee_,
            full_);
    }
    bool
    operator==(Validation const& o) const
    {
        return asTie() == o.asTie();
    }

    bool
    operator<(Validation const& o) const
    {
        return asTie() < o.asTie();
    }

    void
    setTrusted()
    {
        trusted_ = true;
    }

    void
    setUntrusted()
    {
        trusted_ = false;
    }

    void
    setSeen(NetClock::time_point seen)
    {
        seenTime_ = seen;
    }
};

}  // namespace csf
}  // namespace test
}  // namespace ripple

#endif