// Copyright 2023 The Tari Project
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use serde_derive::{Deserialize, Serialize};

#[derive(Debug, Clone, Serialize, Deserialize)]
#[serde(deny_unknown_fields)]
pub struct PeerValidatorConfig {
    /// The maximum size of the peer's user agent string. Some unicode characters use more than a single byte
    /// and this specifies the maximum in bytes, as opposed to unicode characters.
    pub max_user_agent_byte_length: usize,
    pub max_permitted_peer_addresses_per_claim: usize,
    pub max_supported_protocols: usize,
    pub max_protocol_id_length: usize,

    /// Set to true to allow peers to send loopback, local-link and other addresses normally not considered valid for
    /// peer-to-peer comms. Default: false
    pub allow_test_addresses: bool,
    /// The minimum version of peers this node will accept, if the peer agent string does not match X/{version} it will
    /// also be rejected if this is set
    pub min_peer_version: String,
}

impl Default for PeerValidatorConfig {
    fn default() -> Self {
        Self {
            max_user_agent_byte_length: 50,
            max_permitted_peer_addresses_per_claim: 5,
            max_supported_protocols: 20,
            max_protocol_id_length: 50,
            #[cfg(not(test))]
            allow_test_addresses: false,
            // This must always be true for internal crate tests
            #[cfg(test)]
            allow_test_addresses: true,
            min_peer_version: "".to_string(),
        }
    }
}
