//! Relay metadata using NIP-11
/// Relay Info
use crate::config::Settings;
use serde::{Deserialize, Serialize};

pub const CARGO_PKG_VERSION: Option<&'static str> = option_env!("CARGO_PKG_VERSION");

#[derive(Debug, Serialize, Deserialize)]
#[allow(unused)]
pub struct RelayInfo {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub id: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub name: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub description: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub pubkey: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub contact: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub supported_nips: Option<Vec<i64>>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub software: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub version: Option<String>,
}

/// Convert an Info configuration into public Relay Info
impl From<Settings> for RelayInfo {
    fn from(c: Settings) -> Self {
        let mut supported_nips = vec![1, 2, 9, 11, 12, 15, 16, 20, 22, 33, 40, 42];

        if c.authorization.nip42_auth {
            supported_nips.push(42);
            supported_nips.sort();
        }

        let i = c.info;

        RelayInfo {
            id: i.relay_url,
            name: i.name,
            description: i.description,
            pubkey: i.pubkey,
            contact: i.contact,
            supported_nips: Some(supported_nips),
            software: Some("https://git.sr.ht/~gheartsfield/nostr-rs-relay".to_owned()),
            version: CARGO_PKG_VERSION.map(std::borrow::ToOwned::to_owned),
        }
    }
}