baraddur 0.1.2

Project-agnostic file watcher that surfaces issues before CI
Documentation 
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pub mod display;
pub mod style;
pub use display::{PlainDisplay, TtyDisplay};
pub use style::Theme;

use crate::pipeline::StepResult;
use std::path::{Path, PathBuf};

#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
pub enum Verbosity {
    Quiet,
    Normal,
    Verbose,
    Debug,
}

pub struct DisplayConfig {
    pub is_tty: bool,
    pub no_clear: bool,
    pub verbosity: Verbosity,
}

/// Returned by `Display::handle_key` to tell the caller what to do next.
pub enum BrowseAction {
    /// Key was consumed but no visual change is needed.
    Noop,
    /// State changed; caller should call `browse_redraw_if_active`.
    Redraw,
    /// User pressed `q`; caller should exit browse mode and shut down the app.
    Quit,
}

/// Sink for pipeline lifecycle events.
///
/// Implementations:
/// - `PlainDisplay` — append-only line output for non-TTY / piped contexts.
/// - `TtyDisplay` — full-block redraw for interactive terminals.
pub trait Display: Send {
    /// A new pipeline run is starting. `step_names` lists all steps in
    /// declared order, used for layout (name-column padding).
    fn run_started(&mut self, step_names: &[String]);

    /// A step has begun executing.
    fn step_running(&mut self, name: &str);

    /// A step has completed (pass or fail).
    fn step_finished(&mut self, result: &StepResult);

    /// Steps were skipped because an earlier stage failed.
    fn steps_skipped(&mut self, names: &[String]);

    /// The run was cancelled mid-flight (file change triggered restart).
    fn run_cancelled(&mut self);

    /// The run completed normally.
    fn run_finished(&mut self, results: &[StepResult]);

    /// Store the file(s) that triggered this run. Called just before the next
    /// `run_started` when a file-change restart occurs. Not called for the
    /// initial run. Implementations should consume and clear on `run_started`.
    fn set_trigger(&mut self, _paths: &[PathBuf]) {}

    /// Show the startup banner. Called once before the first pipeline run.
    fn banner(&mut self, _root: &Path, _config_path: &Path, _step_count: usize) {}

    /// Advance the spinner animation by one frame. Only redraws if there are
    /// steps in the Running state. Default is a no-op (PlainDisplay).
    fn tick(&mut self) {}

    /// Enter post-run interactive browse mode. Called by the idle loop after
    /// `run_finished`. Default is a no-op (PlainDisplay).
    fn enter_browse_mode(&mut self) {}

    /// Exit browse mode. Called when a file change arrives, Ctrl+C is pressed,
    /// or the user presses `q`. Default is a no-op (PlainDisplay).
    fn exit_browse_mode(&mut self) {}

    /// Handle a keypress during browse mode. Returns a `BrowseAction` telling
    /// the caller whether to redraw or exit browse mode. Default is a no-op.
    fn handle_key(&mut self, _key: crossterm::event::KeyEvent) -> BrowseAction {
        BrowseAction::Noop
    }

    /// Redraw the browse step list if browse mode is currently active.
    /// Default is a no-op (PlainDisplay).
    fn browse_redraw_if_active(&mut self) {}
}