# All files / src/components/tools TaskCard.tsx

86.04% Statements 37/43
76.08% Branches 70/92
77.77% Functions 7/9
88.09% Lines 37/42

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     import { useState, type JSX } from "react";
    import type { ToolCardProps } from "./ToolCardProps.js";
    import { extractBareName } from "./classifyTool.js";
    import styles from "./toolCards.module.scss";

    /** Shape of a task in MCP results. */
    interface TaskSummary {
      id?: string;
      title?: string;
      status?: string;
      branch?: string;
      latestSessionId?: string;
      parentTaskId?: string;
      childTaskIds?: string[];
    }

    /** Extracts task-relevant fields from tool args. */
    function getArgs(args: unknown): { taskId?: string; title?: string; status?: string } {
      Iif (args === null || args === undefined || typeof args !== "object") {
        return {};
      }
      const a = args as Record<string, unknown>;
      return {
        taskId: typeof a.taskId === "string" ? a.taskId : undefined,
        title: typeof a.title === "string" ? a.title : undefined,
        status: typeof a.status === "string" ? a.status : undefined,
      };
    }

    /** Parses MCP result JSON into a task or array of tasks. */
    function parseResult(result: string | undefined): {
      single?: TaskSummary;
      list?: TaskSummary[];
      sessionId?: string;
    } {
      if (!result) {
        return {};
      }
      try {
        const parsed: unknown = JSON.parse(result);
        if (Array.isArray(parsed)) {
          return {
            list: (parsed as unknown[]).filter(
              (v): v is TaskSummary => v !== null && typeof v === "object",
            ),
          };
        }
        if (typeof parsed === "object" && parsed !== null) {
          const obj = parsed as Record<string, unknown>;
          // task_start returns { sessionId, taskId }
          if (typeof obj.sessionId === "string") {
            return { sessionId: obj.sessionId, single: obj as TaskSummary };
          }
          return { single: obj as TaskSummary };
        }
      } catch {
        /* fall through */
      }
      return {};
    }

    /** Status icon for a task. */
    function statusIcon(status: string | undefined): string {
      switch (status) {
        case "complete":
        case "completed":
          return "\u2713";
        case "working":
        case "in_progress":
          return "\u25CF";
        case "paused":
          return "\u23F8";
        case "failed":
          return "\u2717";
        default:
          return "\u25CB";
      }
    }

    /** CSS color for a task status. */
    function statusColor(status: string | undefined): string {
      switch (status) {
        case "complete":
        case "completed":
          return "var(--accent-green, #4ade80)";
        case "working":
        case "in_progress":
          return "var(--accent-blue, #60a5fa)";
        case "failed":
          return "var(--accent-red, #f87171)";
        case "paused":
          return "var(--text-tertiary, #888)";
        default:
          return "var(--text-secondary, #aaa)";
      }
    }

    /** Number of tasks shown when collapsed. */
    const PREVIEW_COUNT: number = 5;

    /** Renders a task tool call with structured display. */
    export function TaskCard({ tool, args, result, isError }: ToolCardProps): JSX.Element {
      const [expanded, setExpanded] = useState(false);
      const bareName = extractBareName(tool);
      const argData = getArgs(args);
      const inProgress = result === undefined;
      const { single, list, sessionId } = parseResult(result);

      const displayTitle = single?.title ?? argData.title;
      const displayStatus = single?.status ?? argData.status;

      return (
        <div
          className={`${styles.card} ${isError ? styles.cardRed : styles.cardBlue} ${inProgress ? styles.inProgress : ""}`}
          data-testid="tool-card-task"
        >
          <div className={styles.header}>
            <span className={styles.icon} aria-hidden="true">
              &#x1F4CB;
            </span>
            <span className={styles.toolName} style={{ color: "var(--accent-blue)" }}>
              {bareName}
            </span>
            {displayTitle && (
              <span className={styles.fileName} data-testid="tool-card-task-title">
                &quot;{displayTitle}&quot;
              </span>
            )}
            {!displayTitle && argData.taskId && (
              <span className={styles.fileName} data-testid="tool-card-task-id">
                {argData.taskId}
              </span>
            )}
            {displayStatus && (
              <>
                <span className={styles.spacer} />
                <span
                  className={styles.badge}
                  style={{ color: statusColor(displayStatus) }}
                  data-testid="tool-card-task-status"
                >
                  {statusIcon(displayStatus)} {displayStatus}
                </span>
              </>
            )}
            {list && !displayStatus && (
              <>
                <span className={styles.spacer} />
                <span className={styles.badge} data-testid="tool-card-task-count">
                  {list.length} {list.length === 1 ? "task" : "tasks"}
                </span>
              </>
            )}
          </div>

          {/* In-progress: show args */}
          {inProgress && !displayTitle && !argData.taskId && args !== null && args !== undefined && (
            <pre className={styles.pre} data-testid="tool-card-args">
              {JSON.stringify(args, null, 2)}
            </pre>
          )}

          {/* Error */}
          {isError && result && (
            <pre className={styles.pre} data-testid="tool-card-error">
              {result}
            </pre>
          )}

          {/* Session ID from task_start */}
          {!isError && sessionId && (
            <div
              className={styles.pre}
              style={{ padding: "4px 8px", fontSize: "0.85em" }}
              data-testid="tool-card-task-session"
            >
              session: {sessionId}
            </div>
          )}

          {/* Single task: show key fields */}
          {!isError && single && !list && !sessionId && (
            <pre className={styles.pre} data-testid="tool-card-task-detail">
              {[
                single.id ? `id: ${single.id}` : null,
                single.status ? `status: ${single.status}` : null,
                single.branch ? `branch: ${single.branch}` : null,
                single.latestSessionId ? `session: ${single.latestSessionId}` : null,
              ]
                .filter(Boolean)
                .join("\n")}
            </pre>
          )}

          {/* Task list */}
          {!isError && list && list.length > 0 && (
            <>
              <pre className={styles.pre} data-testid="tool-card-task-list">
                {(expanded ? list : list.slice(0, PREVIEW_COUNT))
                  .map((t) => {
                    const icon = statusIcon(t.status);
                    const title = t.title ?? t.id ?? "untitled";
                    return `${icon} ${title}`;
                  })
                  .join("\n")}
              </pre>
              {list.length > PREVIEW_COUNT && (
                <button
                  type="button"
                  className={styles.bodyToggle}
                  onClick={() => {
                    setExpanded((v) => !v);
                  }}
                  aria-expanded={expanded}
                  data-testid="tool-card-toggle"
                >
                  <span className={`${styles.chevron} ${expanded ? styles.chevronExpanded : ""}`}>
                    &#x25B8;
                  </span>
                  {expanded ? "collapse" : `${list.length - PREVIEW_COUNT} more tasks`}
                </button>
              )}
            </>
          )}
        </div>
      );
    }