use chrono::{DateTime, Utc};
use serde::{Deserialize, Serialize};
use uuid::Uuid;

#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Snapshot {
    pub categories: Vec<Category>,
    pub incidents: Vec<Incident>,
    pub generated_at: DateTime<Utc>,
}

#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Category {
    pub id: String,
    pub name: String,
    pub logo: String,
    pub services: Vec<Service>,
}

#[derive(Clone, Debug, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Service {
    pub id: String,
    pub name: String,
    pub url: String,
    pub check_http3: bool,
    pub status: ServiceStatus,
    pub status_code: Option<u16>,
    pub latency_ms: Option<u64>,
    pub error: Option<String>,
    pub checked_at: Option<DateTime<Utc>>,
}

#[derive(Clone, Copy, Debug, Eq, PartialEq, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum ServiceStatus {
    Unknown,
    Online,
    Offline,
    TimedOut,
    HttpError,
    Http3Error,
}

#[derive(Clone, Debug, Deserialize, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Incident {
    pub id: Uuid,
    pub title: String,
    pub message: String,
    pub severity: Severity,
    pub created_at: DateTime<Utc>,
    pub resolved_at: Option<DateTime<Utc>>,
}

#[derive(Clone, Copy, Debug, Deserialize, Serialize)]
#[serde(rename_all = "snake_case")]
pub enum Severity {
    Minor,
    Major,
    Critical,
}

#[derive(Debug, Deserialize)]
#[serde(rename_all = "camelCase", deny_unknown_fields)]
pub struct NewIncident {
    pub title: String,
    pub message: String,
    pub severity: Severity,
}