use serde_json::Value;

use crate::error::Error;

use super::types::{PowerCapComponent, PowerCapTaskInfo};

pub async fn get(
  shasta_base_url: &str,
  shasta_token: &str,
  shasta_root_cert: &[u8],
) -> Result<PowerCapTaskInfo, Error> {
  let client;

  let client_builder = reqwest::Client::builder()
    .add_root_certificate(reqwest::Certificate::from_pem(shasta_root_cert)?);

  // Build client
  if std::env::var("SOCKS5").is_ok() {
    // socks5 proxy
    log::debug!("SOCKS5 enabled");
    let socks5proxy = reqwest::Proxy::all(std::env::var("SOCKS5").unwrap())?;

    // rest client to authenticate
    client = client_builder.proxy(socks5proxy).build()?;
  } else {
    client = client_builder.build()?;
  }

  let api_url = format!("{}/power-control/v1/power-cap", shasta_base_url);

  let response = client
    .get(api_url)
    .bearer_auth(shasta_token)
    .send()
    .await
    .map_err(|error| Error::NetError(error))?;

  if response.status().is_success() {
    response
      .json()
      .await
      .map_err(|error| Error::NetError(error))
  } else {
    let payload = response
      .json::<Value>()
      .await
      .map_err(|error| Error::NetError(error))?;

    Err(Error::CsmError(payload))
  }
}

pub async fn get_task_id(
  shasta_base_url: &str,
  shasta_token: &str,
  shasta_root_cert: &[u8],
  task_id: &str,
) -> Result<PowerCapTaskInfo, Error> {
  let client;

  let client_builder = reqwest::Client::builder()
    .add_root_certificate(reqwest::Certificate::from_pem(shasta_root_cert)?);

  // Build client
  if std::env::var("SOCKS5").is_ok() {
    // socks5 proxy
    log::debug!("SOCKS5 enabled");
    let socks5proxy = reqwest::Proxy::all(std::env::var("SOCKS5").unwrap())?;

    // rest client to authenticate
    client = client_builder.proxy(socks5proxy).build()?;
  } else {
    client = client_builder.build()?;
  }

  let api_url =
    format!("{}/power-control/v1/power-cap/{}", shasta_base_url, task_id);

  let response = client
    .get(api_url)
    .bearer_auth(shasta_token)
    .send()
    .await
    .map_err(|error| Error::NetError(error))?;

  if response.status().is_success() {
    response
      .json()
      .await
      .map_err(|error| Error::NetError(error))
  } else {
    let payload = response
      .json::<Value>()
      .await
      .map_err(|error| Error::NetError(error))?;

    Err(Error::CsmError(payload))
  }
}

pub async fn post_snapshot(
  shasta_base_url: &str,
  shasta_token: &str,
  shasta_root_cert: &[u8],
  xname_vec: Vec<&str>,
) -> Result<PowerCapTaskInfo, Error> {
  log::info!("Create PCS power snapshot for nodes:\n{:?}", xname_vec);
  log::debug!("Create PCS power snapshot for nodes:\n{:?}", xname_vec);

  let client_builder = reqwest::Client::builder()
    .add_root_certificate(reqwest::Certificate::from_pem(shasta_root_cert)?);

  // Build client
  let client = if let Ok(socks5_env) = std::env::var("SOCKS5") {
    // socks5 proxy
    log::debug!("SOCKS5 enabled");
    let socks5proxy = reqwest::Proxy::all(socks5_env)?;

    // rest client to authenticate
    client_builder.proxy(socks5proxy).build()?
  } else {
    client_builder.build()?
  };

  let api_url =
    shasta_base_url.to_owned() + "/power-control/v1/power-cap/snapshot";

  let response = client
    .put(api_url)
    .json(&serde_json::json!({
        "xnames": xname_vec
    }))
    .bearer_auth(shasta_token)
    .send()
    .await
    .map_err(|e| Error::NetError(e))?;

  if response.status().is_success() {
    Ok(response.json().await.map_err(|e| Error::NetError(e))?)
  } else {
    let payload = response
      .json::<Value>()
      .await
      .map_err(|e| Error::NetError(e))?;

    Err(Error::CsmError(payload))
  }
}

pub async fn patch(
  shasta_base_url: &str,
  shasta_token: &str,
  shasta_root_cert: &[u8],
  power_cap: Vec<PowerCapComponent>,
) -> Result<PowerCapTaskInfo, Error> {
  log::info!("Create PCS power cap:\n{:#?}", power_cap);
  log::debug!("Create PCS power cap:\n{:#?}", power_cap);

  let client_builder = reqwest::Client::builder()
    .add_root_certificate(reqwest::Certificate::from_pem(shasta_root_cert)?);

  // Build client
  let client = if let Ok(socks5_env) = std::env::var("SOCKS5") {
    // socks5 proxy
    log::debug!("SOCKS5 enabled");
    let socks5proxy = reqwest::Proxy::all(socks5_env)?;

    // rest client to authenticate
    client_builder.proxy(socks5proxy).build()?
  } else {
    client_builder.build()?
  };

  let api_url =
    shasta_base_url.to_owned() + "/power-control/v1/power-cap/snapshot";

  let response = client
    .put(api_url)
    .json(&power_cap)
    .bearer_auth(shasta_token)
    .send()
    .await
    .map_err(|e| Error::NetError(e))?;

  if response.status().is_success() {
    Ok(response.json().await.map_err(|e| Error::NetError(e))?)
  } else {
    let payload = response
      .json::<Value>()
      .await
      .map_err(|e| Error::NetError(e))?;

    Err(Error::CsmError(payload))
  }
}
