//! Scheduled-prompt row shape on the wire, shared by the dashboard and
//! agent surfaces (mirrors `hive-c0re`'s internal `scheduled_prompts::Schedule`).

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

/// Schedule row shape on the wire — mirror of
/// `scheduled_prompts::Schedule` but in the public crate so the
/// dashboard and agent surfaces can deserialize without depending
/// on hive-c0re-internal types. Kept structurally identical to the
/// in-process type; the conversion is field-by-field in
/// `manager_server` / `dashboard`.
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WireSchedule {
    pub id: i64,
    pub owner: String,
    pub body: String,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub interval_seconds: Option<u64>,
    pub next_fire_at_unix: DateTime<Utc>,
    pub created_at_unix: DateTime<Utc>,
    pub source: WireScheduleSource,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub cancelled_at_unix: Option<DateTime<Utc>>,
    /// Set while the schedule is paused. Worker skips paused rows;
    /// they keep their `next_fire_at_unix` so resuming at any time
    /// fires at the next intended instant (no catch-up clamp needed
    /// — a paused schedule simply slips its next fire).
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub paused_at_unix: Option<DateTime<Utc>>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub description: Option<String>,
    pub targets: Vec<WireScheduleTarget>,
}

#[derive(Debug, Clone, Serialize, Deserialize, PartialEq, Eq)]
#[serde(tag = "kind", rename_all = "snake_case")]
pub enum WireScheduleSource {
    Operator,
    Approval { id: i64 },
}

#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WireScheduleTarget {
    pub target: String,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub cancelled_at_unix: Option<DateTime<Utc>>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub last_fired_at_unix: Option<DateTime<Utc>>,
    #[serde(default, skip_serializing_if = "Option::is_none")]
    pub last_result: Option<String>,
}