"use client";
import {
  type PlaitBoard,
  type PlaitElement,
  toHostPointFromViewBoxPoint,
  toScreenPointFromHostPoint,
} from "@plait/core";
import { MindElement, getRectangleByNode } from "@plait/mind";
import { FileText } from "lucide-react";
import { useEffect, useRef, useState } from "react";
import { getTopicDetails, getTopicTitle } from "@/lib/flow-board/topic-details";
import { getTopicTask } from "@/lib/flow-board/topic-tasks";
export function XmindTopicBadges({
  board,
  elements,
  viewport,
  onNotes,
  onTask,
}: {
  board: PlaitBoard | null;
  elements: PlaitElement[];
  viewport: unknown;
  onNotes: (id: string) => void;
  onTask: (id: string) => void;
}) {
  const hostRef = useRef<HTMLDivElement>(null);
  const [badges, setBadges] = useState<
    {
      id: string;
      title: string;
      notes: boolean;
      progress: number | null;
      left: number;
      top: number;
    }[]
  >([]);
  useEffect(() => {
    if (!board) return;
    const update = () => {
      const host = hostRef.current;
      if (!host) return;
      const origin = host.getBoundingClientRect();
      const result: typeof badges = [];
      const visit = (children: PlaitElement[]) => {
        for (const element of children) {
          const notes = Boolean(getTopicDetails(element).notes.trim()),
            task = getTopicTask(element);
          if (notes || task) {
            const node = MindElement.getNode(element as MindElement);
            if (node) {
              const rect = getRectangleByNode(node);
              const point = toScreenPointFromHostPoint(
                board,
                toHostPointFromViewBoxPoint(board, [
                  rect.x + rect.width,
                  rect.y + rect.height / 2,
                ])
              );
              result.push({
                id: element.id,
                title: getTopicTitle(element),
                notes,
                progress: task?.progress ?? null,
                left: point[0] - origin.x + 5,
                top: point[1] - origin.y - 9,
              });
            }
          }
          if (!element.isCollapsed && element.children) visit(element.children);
        }
      };
      visit(elements);
      setBadges(result);
    };
    const frame = requestAnimationFrame(update);
    window.addEventListener("resize", update);
    return () => {
      cancelAnimationFrame(frame);
      window.removeEventListener("resize", update);
    };
  }, [board, elements, viewport]);
  return (
    <div ref={hostRef} className="xmind-topic-badges" aria-label="主题内容提示">
      {badges.map((b) => (
        <div
          key={b.id}
          className="xmind-topic-badge"
          style={{ left: b.left, top: b.top }}
          data-flow-board-shell-control="true"
        >
          {b.progress !== null ? (
            <button
              type="button"
              aria-label={`编辑任务 ${b.title}`}
              title={`任务进度 ${b.progress}%`}
              onClick={() => onTask(b.id)}
            >
              <svg
                aria-hidden="true"
                width={16}
                height={16}
                viewBox="0 0 16 16"
              >
                <circle
                  cx={8}
                  cy={8}
                  r={6}
                  fill="#f8fafc"
                  stroke="#afb7c4"
                  strokeWidth={1.4}
                />
                <circle
                  cx={8}
                  cy={8}
                  r={6}
                  fill="none"
                  stroke="#6b8ee4"
                  strokeWidth={3}
                  strokeDasharray={`${(b.progress * 37.7) / 100} 37.7`}
                  transform="rotate(-90 8 8)"
                />
              </svg>
            </button>
          ) : null}
          {b.notes ? (
            <button
              type="button"
              aria-label={`查看笔记 ${b.title}`}
              title="查看笔记"
              onClick={() => onNotes(b.id)}
            >
              <FileText size={15} />
            </button>
          ) : null}
        </div>
      ))}
    </div>
  );
}