//! Argument structs for the MCP tools: `serde::Deserialize` +
//! `schemars::JsonSchema` derives whose field doc-comments become the
//! parameter descriptions claude sees in each tool's input schema.

use rmcp::schemars;

#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct SendArgs {
    /// Logical agent name to deliver the message to (e.g. `"manager"`,
    /// `"alice"`, or the literal `"operator"` for the dashboard's T4LK box).
    pub to: String,
    /// Message body. Plain text; the broker doesn't parse it.
    pub body: String,
    /// Optional broker row-id of the message this is a reply to. Lets
    /// the dashboard render conversation threads. Pass the `id` from the
    /// `DeliveredMessage` you're responding to; omit for new threads.
    /// Silently ignored if the id is unknown or out of retention.
    #[serde(default)]
    pub in_reply_to: Option<i64>,
}

#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct RecvArgs {
    /// Maximum number of messages to pop in this round-trip. Default
    /// (None) is 1 (single-message behaviour — exactly what you want
    /// when you're called to drive a turn off the first wake). Pass
    /// a higher value (capped at 5 server-side) when you've been
    /// told the inbox has more queued (the wake prompt mentions
    /// pending count) and want to drain everything in one tool call.
    #[serde(default)]
    pub max: Option<u32>,
}

/// MCP tool args for `ack_until`.
#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct AckUntilArgs {
    /// Highest broker message id to mark handled: every inbox message
    /// with `id <= up_to` (ids show as `[msg #<id>]` in recv output)
    /// is acked in one sweep. Pass the highest id you've actually
    /// seen/triaged — anything above it stays queued for later turns.
    pub up_to: i64,
}

/// MCP tool args for `mark_todos_done`.
#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct MarkTodosDoneArgs {
    /// Todo ids to clear (from `get_loose_ends`'s `todo #N` lines). Only
    /// these ids are acked — not a range. Unknown/already-acked ids are
    /// silently skipped.
    pub ids: Vec<i64>,
}

/// MCP tool args for `remind`. Exactly one of `delay_seconds` or
/// `at_unix_timestamp` must be set; both / neither is a tool-side error.
/// Hides the tagged `ReminderTiming` enum behind a flatter schema so the
/// model picks one field instead of building `{"timing_type": "in_seconds",
/// "seconds": 60}` shaped objects.
#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct RemindArgs {
    /// Body that lands in your inbox when the reminder fires (sender
    /// will appear as `reminder`). Soft cap at 4 KiB inline — anything
    /// larger gets auto-persisted to a file under
    /// `/agents/<you>/state/reminders/auto-<ts>.md` and the inbox
    /// message becomes a short pointer. Pass `file_path` if you want
    /// to control the destination yourself.
    pub message: String,
    /// Fire `delay_seconds` from now (relative). Set this OR
    /// `at_unix_timestamp`, not both.
    #[serde(default)]
    pub delay_seconds: Option<u64>,
    /// Fire at this absolute unix timestamp (seconds since epoch). Set
    /// this OR `delay_seconds`, not both.
    #[serde(default)]
    pub at_unix_timestamp: Option<i64>,
    /// Optional path to a file the scheduler should reference instead of
    /// inlining a long `message`. Use this for large payloads (research
    /// notes, file lists, intermediate state). Path must be reachable from
    /// the agent's container — typically under `/agents/<you>/state/`.
    #[serde(default)]
    pub file_path: Option<String>,
}

/// MCP tool args for `compact`.
#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct CompactArgs {
    /// Optional wake-up prompt. When set and the compact actually runs
    /// (gated on context usage — see the tool description), the harness
    /// drives one synthetic follow-up turn with this string as its body
    /// as soon as compaction finishes, so you don't have to wait for the
    /// next external event to continue. Omit for a fire-and-forget compact
    /// with no follow-up.
    #[serde(default)]
    pub wake_prompt: Option<String>,
}

// -----------------------------------------------------------------------------
// Privileged tool arg types (lifecycle)
// -----------------------------------------------------------------------------

#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct SetStatusArgs {
    /// Status text to display on the dashboard card. Pass an empty string to clear.
    pub text: String,
}

#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct GetAgentMetaArgs {
    /// Logical name of the agent to query (e.g. `"iris"`, `"manager"`).
    /// Omit to query your own identity + status — replaces the
    /// previous `whoami` self-introspection tool.
    #[serde(default)]
    pub name: Option<String>,
}

#[derive(Debug, serde::Deserialize, schemars::JsonSchema)]
pub struct CancelLooseEndArgs {
    /// Which kind of thread to cancel — `"reminder"` for a scheduled
    /// `remind` that hasn't fired yet, or `"todo"` for a loose-ends-v2 todo
    /// (bash/matrix/forge). Use the `kind` field straight off the
    /// `get_loose_ends` row.
    pub kind: String,
    /// Row id from the matching `get_loose_ends` entry.
    pub id: i64,
}