// Copyright 2023, The Tari Project
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use std::time::Duration;

use crate::{bans::BAN_DURATION_LONG, peer_manager::NodeId};

/// Validation errors for peers shared on the network
#[derive(Debug, Clone, thiserror::Error)]
pub enum PeerValidatorError {
    #[error("Peer signature was invalid for peer '{peer}'")]
    InvalidPeerSignature { peer: NodeId },
    #[error("One or more peer addresses were invalid for '{peer}'")]
    InvalidPeerAddresses { peer: NodeId },
    #[error("Peer '{peer}' has no address claims")]
    PeerHasNoAddresses { peer: NodeId },
    #[error("Invalid multiaddr: {0}")]
    InvalidMultiaddr(String),
    #[error("Onion v2 is deprecated and not supported")]
    OnionV2NotSupported,
    #[error("Peer provided too many supported protocols: expected max {max} but got {length}")]
    PeerIdentityTooManyProtocols { length: usize, max: usize },
    #[error("Peer provided too many addresses: expected max {max} but got {length}")]
    PeerIdentityTooManyAddresses { length: usize, max: usize },
    #[error("Peer provided a protocol id that exceeds the maximum length: expected max {max} but got {length}")]
    PeerIdentityProtocolIdTooLong { length: usize, max: usize },
    #[error("Peer provided a user agent that exceeds the maximum length: expected max {max} but got {length}")]
    PeerIdentityUserAgentTooLong { length: usize, max: usize },
}

impl PeerValidatorError {
    pub fn as_ban_duration(&self) -> Option<Duration> {
        Some(BAN_DURATION_LONG)
    }
}
