# All files / src/components/panels TaskActionButtons.tsx

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     import type { JSX } from "react";
    import type { TaskData } from "../../hooks/types.js";
    import styles from "./TaskActionButtons.module.scss";

    /**
     * Normalized session statuses for which Resume is meaningful. A task can be
     * `paused` either because its session is alive but idle (awaiting input) or
     * because its session is genuinely suspended/stopped; only the latter is
     * resumable, so Resume is gated on these statuses.
     */
    const RESUMABLE_SESSION_STATUSES: ReadonlySet<string> = new Set(["stopped", "suspended"]);

    /** Props for {@link TaskActionButtons}. */
    export interface TaskActionButtonsProps {
      /** The task whose status drives which buttons are shown. */
      task: TaskData;
      /** Active session id — required to enable the Pause button. */
      sessionId: string | undefined;
      /**
       * Status of the task's latest session (already normalized by
       * `mapSessionStatus`: `idle` / `running` / `stopped` / `suspended` / ...).
       * Gates the Resume button — Resume only makes sense when the session is
       * actually suspended/stopped, not while it is alive and awaiting input.
       */
      latestSessionStatus: string | undefined;
      /** Whether the task is blocked by incomplete dependencies. */
      isBlocked: boolean;
      /** Start (or retry) the task. */
      onStart: () => void;
      /** Resume a paused task. */
      onResume: () => void;
      /** Stop the task. */
      onStop: () => void;
      /** Pause the task by killing its session. */
      onPause: () => void;
      /** Request task deletion (typically opens a confirm dialog). */
      onDelete: () => void;
      /** Open the task editor. */
      onEdit: () => void;
    }

    /**
     * Renders status-appropriate action buttons for a task.
     *
     * Which buttons appear depends on `task.status` and `isBlocked`.
     * Returns `undefined` for unrecognized statuses.
     */
    export function TaskActionButtons({
      task,
      sessionId,
      latestSessionStatus,
      isBlocked,
      onStart,
      onResume,
      onStop,
      onPause,
      onDelete,
      onEdit,
    }: TaskActionButtonsProps): JSX.Element | undefined {
      if (task.status === "not_started") {
        if (isBlocked) {
          return (
            <div className={styles.actionButtons} data-testid="task-action-buttons">
              <button onClick={onEdit} className={styles.btnGhost} data-testid="task-action-edit">
                Edit
              </button>
              <button onClick={onDelete} className={styles.btnDanger} data-testid="task-action-delete">
                Delete
              </button>
            </div>
          );
        }
        return (
          <div className={styles.actionButtons} data-testid="task-action-buttons">
            <button data-testid="task-header-start" onClick={onStart} className={styles.btnPrimary}>
              Start
            </button>
            <button onClick={onEdit} className={styles.btnGhost} data-testid="task-action-edit">
              Edit
            </button>
            <button onClick={onDelete} className={styles.btnDanger} data-testid="task-action-delete">
              Delete
            </button>
          </div>
        );
      }
      if (task.status === "working") {
        return (
          <div className={styles.actionButtons} data-testid="task-action-buttons">
            <button onClick={onStop} className={styles.btnDanger} data-testid="task-action-stop">
              Stop
            </button>
            <button
              onClick={onPause}
              disabled={!sessionId}
              className={styles.btnGhost}
              data-testid="task-action-pause"
            >
              Pause
            </button>
          </div>
        );
      }
      if (task.status === "paused") {
        const resumable =
          latestSessionStatus !== undefined && RESUMABLE_SESSION_STATUSES.has(latestSessionStatus);
        return (
          <div className={styles.actionButtons} data-testid="task-action-buttons">
            <button onClick={onStop} className={styles.btnPrimary} data-testid="task-action-stop">
              Stop
            </button>
            {resumable && (
              <button onClick={onResume} className={styles.btnGhost} data-testid="task-action-resume">
                Resume
              </button>
            )}
            <button onClick={onDelete} className={styles.btnDanger} data-testid="task-action-delete">
              Delete
            </button>
          </div>
        );
      }
      if (task.status === "complete") {
        return (
          <div className={styles.actionButtons} data-testid="task-action-buttons">
            <button onClick={onDelete} className={styles.btnDanger} data-testid="task-action-delete">
              Delete
            </button>
          </div>
        );
      }
      if (task.status === "failed") {
        return (
          <div className={styles.actionButtons} data-testid="task-action-buttons">
            <button onClick={onStart} className={styles.btnPrimary} data-testid="task-header-start">
              Retry
            </button>
            <button onClick={onDelete} className={styles.btnDanger} data-testid="task-action-delete">
              Delete
            </button>
          </div>
        );
      }
      return undefined;
    }