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use crate::utils::{Validatable, ValidationError};

use super::constants::NODE;
use super::did::ShortDidValue;
use super::RequestType;

#[derive(Serialize, PartialEq, Debug)]
pub struct NodeOperation {
    #[serde(rename = "type")]
    pub _type: String,
    pub dest: ShortDidValue,
    pub data: NodeOperationData,
}

impl NodeOperation {
    pub fn new(dest: ShortDidValue, data: NodeOperationData) -> NodeOperation {
        NodeOperation {
            _type: Self::get_txn_type().to_string(),
            dest,
            data,
        }
    }
}

impl RequestType for NodeOperation {
    fn get_txn_type<'a>() -> &'a str {
        NODE
    }
}

#[derive(Serialize, PartialEq, Debug, Deserialize)]
pub enum Services {
    VALIDATOR,
    OBSERVER,
}

#[derive(Serialize, PartialEq, Debug, Deserialize)]
pub struct NodeOperationData {
    #[serde(skip_serializing_if = "Option::is_none")]
    pub node_ip: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub node_port: Option<i32>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub client_ip: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub client_port: Option<i32>,
    pub alias: String,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub services: Option<Vec<Services>>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub blskey: Option<String>,
    #[serde(skip_serializing_if = "Option::is_none")]
    pub blskey_pop: Option<String>,
}

impl Validatable for NodeOperationData {
    fn validate(&self) -> Result<(), ValidationError> {
        if self.node_ip.is_none()
            && self.node_port.is_none()
            && self.client_ip.is_none()
            && self.client_port.is_none()
            && self.services.is_none()
            && self.blskey.is_none()
            && self.blskey_pop.is_none()
        {
            return Err(invalid!("Invalid data json: all fields missed at once"));
        }

        if (self.node_ip.is_some()
            || self.node_port.is_some()
            || self.client_ip.is_some()
            || self.client_port.is_some())
            && (self.node_ip.is_none()
                || self.node_port.is_none()
                || self.client_ip.is_none()
                || self.client_port.is_none())
        {
            return Err(invalid!("Invalid data json: Fields node_ip, node_port, client_ip, client_port must be specified together"));
        }

        Ok(())
    }
}