//! For balance related functions.
use super::*;

/// Return its current balance for a specific entry credit address.
/// # Example
/// ```
/// use factom::*;
/// 
/// #[tokio::main]
/// async fn main() {
///   let client = Factom::testnet_node();
///   let ec_address = "EC2MJzCcHqYJyujnPzjitEaHhtEPVBhmEWUKkv4SVaaKeYcq3fqK";
///   let response = balance::multiple_ec_balances(&client, vec![ec_address])
///                             .await
///                             .expect("Fetching query");
///   dbg!(&response);
///   assert!(response.success());
/// }
/// ```
pub async fn entry_credit_balance(
  api: &Factom, 
  address: &str
)-> Result<ApiResponse<Balance>>
{
  let mut req =  ApiRequest::new("entry-credit-balance");
  req.params.insert("address".to_string(), json!(address));
  let response = factomd_call(api, req).await;
  parse(response).await
}

///  This call returns the number of Factoshis (Factoids *10^-8) that are 
/// currently available at the address specified.
/// 
/// # Example
/// ```
/// use factom::*;
/// 
/// #[tokio::main]
///async fn main() {
///  let client = Factom::testnet_node();
///  let fct_address = "FA2jK2HcLnRdS94dEcU27rF3meoJfpUcZPSinpb7AwQvPRY6RL1Q";
///  let response = balance::factoid_balance(&client, fct_address)
///                            .await
///                            .expect("Fetching query");
///  assert!(response.result.balance > 0);
/// }
/// ```
pub async fn factoid_balance(
  api: &Factom, 
  address: &str
)-> Result<ApiResponse<Balance>>
{
  let mut req =  ApiRequest::new("factoid-balance");
  req.params.insert("address".to_string(), json!(address));
  let response = factomd_call(api, req).await;
  parse(response).await
}

/// The multiple-ec-balances API is used to query the acknowledged and saved 
/// balances for a list of entry credit addresses.
/// 
/// * currentheight is the current height that factomd was loading.
/// * lastsavedheight is the height last saved to the database.
/// 
/// * In balances it returns "ack", "saved" and "err".
///   * ack is the balance after processing any in-flight transactions known to 
///   the Factom node responding to the API call
///   * saved is the last saved to the database
///   * err is just used to display any error that might have happened during the 
///   request. If it is empty that means there was no error.
/// 
/// * If the syntax of the parameters is off e.g. missing a quote, a comma, or a 
/// square bracket, it will return: `{“jsonrpc”:“2.0”,“id”:null,“error”:
/// {“code”:-32600,“message”:“Invalid Request”}}`
/// 
/// * If the parameters are labeled incorrectly the call will return: 
/// `{“code”:-32602,“message”:“Invalid params”,“data”:“ERROR! Invalid params passed 
/// in, expected addresses”}`
/// 
/// * If factomd is not loaded up all the way to the last saved block it will 
/// return: `{“currentheight”:0,“lastsavedheight”:0,“balances”:[{“ack”:0,“saved”:0,
/// “err”:“Not fully booted”}]}`
/// 
/// * If the list of addresses contains an incorrectly formatted address the call 
/// will return: `{“currentheight”:0,“lastsavedheight”:0,“balances”:[{“ack”:0,
/// “saved”:0,“err”:“Error decoding address”}]}`
/// 
/// * If an address in the list is valid but has never been part of a transaction 
/// the call will return: `“balances”:[{“ack”:0,“saved”:0,“err”:“Address has not 
/// had a transaction”}]`
/// # Example
/// ```
/// use factom::*;
/// 
/// #[tokio::main]
/// async fn main() {
///   let client = Factom::testnet_node();
///   let ec_address = "EC2MJzCcHqYJyujnPzjitEaHhtEPVBhmEWUKkv4SVaaKeYcq3fqK";
///   let response = balance::multiple_ec_balances(&client, vec![ec_address])
///                             .await
///                             .expect("Fetching query");
///   assert!(response.success());
/// }
/// ```
pub async fn multiple_ec_balances(
  api: &Factom, 
  addresses: Vec<&str>
)-> Result<ApiResponse<Balances>>
{
  let mut req =  ApiRequest::new("multiple-ec-balances");
  req.params.insert("addresses".to_string(), json!(addresses));
  let response = factomd_call(api, req).await;
  parse(response).await
}

/// The multiple-fct-balances API is used to query the acknowledged and saved 
/// balances in factoshis (a factoshi is 10^8 factoids) not factoids(FCT) for a 
/// list of FCT addresses.
/// 
/// * currentheight is the current height that factomd was loading.
/// * lastsavedheight is the height last saved to the database.
/// 
/// * In balances it returns "ack", "saved" and "err".
///   * ack is the balance after processing any in-flight transactions known to 
///   the Factom node responding to the API call
///   * saved is the last saved to the database
///   * err is just used to display any error that might have happened during the 
///   request. If it is "" that means there was no error.
/// 
/// * If the syntax of the parameters is off e.g. missing a quote, a comma, or a 
/// square bracket, it will return: `{”jsonrpc”:“2.0”,“id”:null,“error”:
/// {“code”:-32600,“message”:“Invalid Request”}}`
/// 
/// * If the parameters are labeled incorrectly the call will return: `
/// {“code”:-32602,“message”:“Invalid params”,“data”:“ERROR! Invalid params passed in, expected 'addresses’”}`
/// 
/// * If factomd is not loaded up all the way to the last saved block it will 
/// return: `{“currentheight”:0,“lastsavedheight”:0,“balances”:
/// [{“ack”:0,“saved”:0,“err”:“Not fully booted”}]}`
/// 
/// * If the list of addresses contains an incorrectly formatted address the call 
/// will return: `{“currentheight”:0,“lastsavedheight”:0,
/// “balances”:[{“ack”:0,“saved”:0,“err”:“Error decoding address”}]}`
/// 
/// * If an address in the list is valid but has never been part of a transaction 
/// it will return: `“balances”:[{“ack”:0,“saved”:0,“err”:“Address has not had a 
/// transaction”}]`
/// # Example
/// ```
/// use factom::*;
/// 
/// #[tokio::main]
/// async fn main() {
///   let client = Factom::testnet_node();
///   let fct_address = "FA2jK2HcLnRdS94dEcU27rF3meoJfpUcZPSinpb7AwQvPRY6RL1Q";
///   let response = balance::multiple_fct_balances(&client, vec![fct_address])
///                             .await
///                             .expect("Fetching query");
///   assert!(response.success());
/// }
/// ```
pub async fn multiple_fct_balances(
  api: &Factom, 
  addresses: Vec<&str>
  )-> Result<ApiResponse<Balances>>
  {
  let mut req =  ApiRequest::new("multiple-fct-balances");
  req.params.insert("addresses".to_string(), json!(addresses));
  let response = factomd_call(api, req).await;
  parse(response).await
}


/// entry-credit-balance and factoid-balance functions
#[derive(Default, Debug, Copy, Clone, PartialEq, Serialize, Deserialize)]
pub struct Balance {
  pub balance: usize,
}


/// Struct for deserialising multiple-fct-balances and multiple-ec-balances
#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct MultipleBalances {
  pub currentheight: usize,
  pub lastsavedheight: usize,
  pub balances: Vec<Balances>,
}

#[derive(Default, Debug, Clone, PartialEq, Serialize, Deserialize)]
pub struct Balances {
  #[serde(default)]
  pub ack: usize,
  #[serde(default)]
  pub saved: usize,
  #[serde(default)]
  pub err: String,
}