/**
 * @file privacy.cpp
 * @brief Synor Privacy SDK implementation for C++
 */

#include "synor/privacy.hpp"
#include <stdexcept>

namespace synor {
namespace privacy {

// Implementation class
class SynorPrivacyImpl {
public:
    explicit SynorPrivacyImpl(const Config& config) : config_(config), closed_(false) {}

    Config config_;
    bool closed_;
};

// SynorPrivacy implementation
SynorPrivacy::SynorPrivacy(const Config& config)
    : impl_(std::make_unique<SynorPrivacyImpl>(config)) {}

SynorPrivacy::~SynorPrivacy() = default;

SynorPrivacy::SynorPrivacy(SynorPrivacy&&) noexcept = default;
SynorPrivacy& SynorPrivacy::operator=(SynorPrivacy&&) noexcept = default;

// Confidential transactions
std::future<ConfidentialTransaction> SynorPrivacy::create_confidential_tx(
    const std::vector<UTXO>& inputs,
    const std::vector<Output>& outputs) {
    return std::async(std::launch::async, [inputs, outputs]() -> ConfidentialTransaction {
        (void)inputs;
        (void)outputs;
        throw SynorException("Not implemented");
    });
}

std::future<bool> SynorPrivacy::verify_confidential_tx(const ConfidentialTransaction& tx) {
    return std::async(std::launch::async, [tx]() -> bool {
        (void)tx;
        throw SynorException("Not implemented");
    });
}

// Ring signatures
std::future<RingSignature> SynorPrivacy::create_ring_signature(
    const std::string& message,
    const std::vector<std::string>& ring) {
    return std::async(std::launch::async, [message, ring]() -> RingSignature {
        (void)message;
        (void)ring;
        throw SynorException("Not implemented");
    });
}

std::future<bool> SynorPrivacy::verify_ring_signature(
    const RingSignature& signature,
    const std::string& message) {
    return std::async(std::launch::async, [signature, message]() -> bool {
        (void)signature;
        (void)message;
        throw SynorException("Not implemented");
    });
}

// Stealth addresses
StealthAddress SynorPrivacy::generate_stealth_address() {
    throw SynorException("Not implemented");
}

SharedSecret SynorPrivacy::derive_shared_secret(
    const StealthAddress& stealth_address,
    const std::string& private_key) {
    (void)stealth_address;
    (void)private_key;
    throw SynorException("Not implemented");
}

std::string SynorPrivacy::derive_one_time_address(
    const StealthAddress& stealth_address,
    const std::string& tx_public_key) {
    (void)stealth_address;
    (void)tx_public_key;
    throw SynorException("Not implemented");
}

bool SynorPrivacy::check_stealth_ownership(
    const std::string& one_time_address,
    const std::string& view_key,
    const std::string& tx_public_key) {
    (void)one_time_address;
    (void)view_key;
    (void)tx_public_key;
    throw SynorException("Not implemented");
}

// Commitments
Commitment SynorPrivacy::create_commitment(const std::string& value, const std::string& blinding) {
    (void)value;
    (void)blinding;
    throw SynorException("Not implemented");
}

bool SynorPrivacy::open_commitment(
    const Commitment& commitment,
    const std::string& value,
    const std::string& blinding) {
    (void)commitment;
    (void)value;
    (void)blinding;
    throw SynorException("Not implemented");
}

bool SynorPrivacy::verify_commitment_sum(
    const std::vector<Commitment>& inputs,
    const std::vector<Commitment>& outputs) {
    (void)inputs;
    (void)outputs;
    throw SynorException("Not implemented");
}

// Range proofs
std::future<RangeProof> SynorPrivacy::create_range_proof(
    const std::string& value,
    const std::string& blinding,
    uint64_t min_value,
    uint64_t max_value) {
    return std::async(std::launch::async, [value, blinding, min_value, max_value]() -> RangeProof {
        (void)value;
        (void)blinding;
        (void)min_value;
        (void)max_value;
        throw SynorException("Not implemented");
    });
}

std::future<bool> SynorPrivacy::verify_range_proof(
    const RangeProof& proof,
    const Commitment& commitment) {
    return std::async(std::launch::async, [proof, commitment]() -> bool {
        (void)proof;
        (void)commitment;
        throw SynorException("Not implemented");
    });
}

// Lifecycle
void SynorPrivacy::close() {
    impl_->closed_ = true;
}

bool SynorPrivacy::is_closed() const {
    return impl_->closed_;
}

std::future<bool> SynorPrivacy::health_check() {
    return std::async(std::launch::async, []() -> bool {
        throw SynorException("Not implemented");
    });
}

}  // namespace privacy
}  // namespace synor
