use std::net::IpAddr;

use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
#[serde(default)]
pub struct GithostConfig {
    pub enabled: Option<bool>,
    pub http_bind_addr: Option<IpAddr>,
    pub http_port: Option<u16>,
}

impl GithostConfig {
    pub fn enabled(&self) -> bool {
        self.enabled.unwrap_or(true)
    }

    pub fn http_bind_addr(&self) -> IpAddr {
        self.http_bind_addr
            .unwrap_or_else(|| "0.0.0.0".parse().expect("static ip"))
    }

    pub fn http_port(&self) -> u16 {
        self.http_port.unwrap_or(9418)
    }

    pub fn is_valid(&self) -> Result<(), String> {
        if !self.enabled() {
            return Ok(());
        }
        if self.http_port() == 0 {
            return Err("githost.http_port must be greater than 0".to_string());
        }
        Ok(())
    }
}