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use std::collections::BTreeSet;

use chrono::{DateTime, Utc};
use serde::Deserialize;

use crate::{
    vocab::{ImplementationLanguage, MalwareCapabilities, MalwareType, ProcessorArchitecture},
    CommonProperties, Id, KillChainPhase,
};

#[derive(Deserialize, stix_derive::TypedObject)]
#[typed_object(core)]
pub struct Malware {
    #[serde(flatten)]
    base: CommonProperties,
    pub name: String,
    #[serde(default)]
    pub description: Option<String>,
    #[serde(default)]
    pub malware_types: BTreeSet<MalwareType>,
    #[serde(default)]
    pub is_family: Option<bool>,
    #[serde(default)]
    pub kill_chain_phases: Vec<KillChainPhase>,
    #[serde(default)]
    pub first_seen: Option<DateTime<Utc>>,
    #[serde(default)]
    pub last_seen: Option<DateTime<Utc>>,
    #[serde(default)]
    pub implementation_languages: BTreeSet<ImplementationLanguage>,
    #[serde(default)]
    pub operating_system_refs: BTreeSet<Id>,
    #[serde(default)]
    pub architecture_execution_envs: BTreeSet<ProcessorArchitecture>,
    #[serde(default)]
    pub capabilities: BTreeSet<MalwareCapabilities>,
    #[serde(default)]
    pub sample_refs: BTreeSet<Id>,
}

impl Malware {
    pub fn name(&self) -> &str {
        &self.name
    }

    pub fn description(&self) -> Option<&str> {
        self.description.as_ref().map(|s| s.as_str())
    }
}

impl AsRef<CommonProperties> for Malware {
    fn as_ref(&self) -> &CommonProperties {
        &self.base
    }
}