use std::net::IpAddr;

use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Default, Serialize, Deserialize)]
#[serde(default)]
pub struct ApihostConfig {
    pub enabled: Option<bool>,
    pub bind_addr: Option<String>,
    pub port: Option<u16>,
}

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

    pub fn bind_addr(&self) -> &str {
        self.bind_addr.as_deref().unwrap_or("0.0.0.0")
    }

    pub fn port(&self) -> u16 {
        self.port.unwrap_or(3000)
    }

    pub fn is_valid(&self) -> Result<(), String> {
        if !self.enabled() {
            return Ok(());
        }
        let bind = self.bind_addr();
        if bind.parse::<IpAddr>().is_err() {
            return Err(format!("apihost.bind_addr is not a valid IP: {bind:?}"));
        }
        if self.port == Some(0) {
            return Err("apihost.port must be greater than 0".to_string());
        }
        Ok(())
    }
}