use codex_core::protocol::Event;
use crossterm::event::KeyEvent;

use crate::slash_command::SlashCommand;

#[allow(clippy::large_enum_variant)]
pub(crate) enum AppEvent {
    CodexEvent(Event),

    Redraw,

    KeyEvent(KeyEvent),

    /// Scroll event with a value representing the "scroll delta" as the net
    /// scroll up/down events within a short time window.
    Scroll(i32),

    /// Request to exit the application gracefully.
    ExitRequest,

    /// Forward an `Op` to the Agent. Using an `AppEvent` for this avoids
    /// bubbling channels through layers of widgets.
    CodexOp(codex_core::protocol::Op),

    /// Latest formatted log line emitted by `tracing`.
    LatestLog(String),

    /// Dispatch a recognized slash command from the UI (composer) to the app
    /// layer so it can be handled centrally.
    DispatchCommand(SlashCommand),

    /// Kick off an asynchronous file search for the given query (text after
    /// the `@`). Previous searches may be cancelled by the app layer so there
    /// is at most one in-flight search.
    StartFileSearch(String),

    /// Result of a completed asynchronous file search. The `query` echoes the
    /// original search term so the UI can decide whether the results are
    /// still relevant.
    FileSearchResult {
        query: String,
        matches: Vec<String>,
    },
}