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pub enum HealthcheckError {
    RequestFailure(reqwest::Error),
    InvalidHeaderValue(reqwest::header::InvalidHeaderValue),
    UnexpectedStatus(reqwest::StatusCode),
}

impl From<reqwest::Error> for HealthcheckError {
    fn from(error: reqwest::Error) -> HealthcheckError {
        HealthcheckError::RequestFailure(error)
    }
}

impl From<reqwest::header::InvalidHeaderValue> for HealthcheckError {
    fn from(error: reqwest::header::InvalidHeaderValue) -> HealthcheckError {
        HealthcheckError::InvalidHeaderValue(error)
    }
}

#[async_trait::async_trait]
pub trait Healthcheck {
    async fn healthcheck(&self, ) -> Result<(), HealthcheckError>;
    async fn version(&self, ) -> Result<crate::model::VersionInfo, HealthcheckError>;
}

#[derive(Clone, Debug)]
pub struct HealthcheckLive {
    pub base_url: reqwest::Url,
}

#[async_trait::async_trait]
impl Healthcheck for HealthcheckLive {
    async fn healthcheck(&self, ) -> Result<(), HealthcheckError> {
        let mut url = self.base_url.clone();
        url.set_path("healthcheck");

        let result = reqwest::Client::builder()
            .build()?
            .get(url)
            .send()
            .await?;
        match result.status().as_u16() {
            200 => {
                let body = ();
                Ok(body)
            }

            _ => Err(HealthcheckError::UnexpectedStatus(result.status()))
        }
    }

    async fn version(&self, ) -> Result<crate::model::VersionInfo, HealthcheckError> {
        let mut url = self.base_url.clone();
        url.set_path("v1/version");

        let result = reqwest::Client::builder()
            .build()?
            .get(url)
            .send()
            .await?;
        match result.status().as_u16() {
            200 => {
                let body = result.json::<crate::model::VersionInfo>().await?;
                Ok(body)
            }

            _ => Err(HealthcheckError::UnexpectedStatus(result.status()))
        }
    }
}