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use serde::{Deserialize, Serialize};

#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct GeoipData {
    pub status: String,
    pub message: Option<String>,
    pub continent: Option<String>,
    #[serde(rename = "continentCode")]
    pub continent_code: Option<String>,
    pub country: Option<String>,
    #[serde(rename = "countryCode")]
    pub country_code: Option<String>,
    pub region: Option<String>,
    #[serde(rename = "regionName")]
    pub region_name: Option<String>,
    pub city: Option<String>,
    pub district: Option<String>,
    pub zip: Option<String>,
    pub lat: Option<f64>,
    pub lon: Option<f64>,
    pub timezone: Option<String>,
    pub offset: Option<i32>,
    pub currency: Option<String>,
    pub isp: Option<String>,
    pub org: Option<String>,
    pub r#as: Option<String>,
    pub asname: Option<String>,
    pub reverse: Option<String>,
    pub mobile: Option<bool>,
    pub proxy: Option<bool>,
    pub hosting: Option<bool>,
    pub query: String,
}

#[derive(Clone)]
#[cfg(feature = "reqwest")]
pub struct IpApiClient {
    client: reqwest::Client,
    base_url: String,
    access_key: Option<String>,
}
#[cfg(feature = "reqwest")]
extern crate reqwest;
#[cfg(feature = "reqwest")]
impl IpApiClient {
    pub fn new_from_env() -> Self {
        Self::new(if let Ok(x) = std::env::var("IPAPI_ACCESS_KEY") {
            Some(x)
        } else {
            None
        })
    }
    pub fn new(access_key: Option<String>) -> Self {
        Self {
            access_key,
            client: reqwest::Client::new(),
            base_url: "http://ip-api.com/json".into(),
        }
    }

    pub async fn lookup(
        &self,
        ip: String,
        lang: Option<String>,
        fields: Option<Vec<String>>,
    ) -> Result<GeoipData, reqwest::Error> {
        let mut params = vec![];
        if let Some(x) = lang {
            params.push(("lang", x));
        }
        if let Some(x) = fields {
            params.push(("fields", x.join(",")));
        }
        if let Some(x) = &self.access_key {
            params.push(("accessKey", x.clone()));
        }
        let mut url = reqwest::Url::parse_with_params(&self.base_url, params).unwrap();
        url.path_segments_mut().unwrap().push(ip.as_str());
        let response = self.client.get(url).send().await?;
        Ok(response.json().await?)
    }
}