astro_advokat/frontend/src/components/single-post/Comments.tsx

import { createSignal, For, Show, onMount } from "solid-js";
import CommentLock from "./CommentLock";
import CommentForm from "./CommentForm";
import type { CommentWithReplies } from "../../types/comments";

interface CommentsProps {
  postSlug: string;
}

interface ApiComment {
  id: string;
  post_slug: string;
  user: string;
  content: string;
  parent?: string | null;
  is_verified: boolean;
  status: "pending" | "published" | "spam";
  created: string;
  updated: string;
  expand?: {
    user?: {
      id: string;
      name: string;
      email: string;
      avatar?: string;
    };
  };
}

// Тип для toast-уведомлений
interface ToastMessage {
  type: "success" | "error";
  message: string;
}

export default function Comments(props: CommentsProps) {
  const [isAuthenticated, setIsAuthenticated] = createSignal(false);
  const [currentUser, setCurrentUser] = createSignal<{
    name: string;
    email: string;
    avatar?: string;
  } | undefined>(undefined);
  const [isLoading, setIsLoading] = createSignal(true);
  const [comments, setComments] = createSignal<CommentWithReplies[]>([]);
  const [replyTo, setReplyTo] = createSignal<string | null>(null);
  const [commentAuthors, setCommentAuthors] = createSignal<Record<string, string>>({});
  const [toastVisible, setToastVisible] = createSignal<string | null>(null);
  // Добавляем сигнал для toast-уведомлений
  const [toast, setToast] = createSignal<ToastMessage | null>(null);

  // Функция показа toast-уведомлений
  const showToast = (message: ToastMessage): void => {
    setToast(message);
    // Автоматически скрываем через 3 секунды
    setTimeout(() => setToast(null), 3000);
  };

  onMount(async () => {
    console.log("[Comments] Начало проверки авторизации...");
    try {
      const response = await fetch("/api/auth/me", {
        method: "GET",
        credentials: "include",
      });

      console.log("[Comments] Ответ API:", response.status);
      const data = await response.json();
      console.log("[Comments] Данные авторизации:", data);

      if (data.authenticated && data.user) {
        console.log("[Comments] Пользователь авторизован:", data.user);
        setIsAuthenticated(true);
        setCurrentUser({
          name: data.user.name || "Пользователь",
          email: data.user.email,
          avatar: data.user.avatar,
        });
      } else {
        console.log("[Comments] Пользователь НЕ авторизован");
      }
    } catch (error) {
      console.error("[Comments] Ошибка проверки авторизации:", error);
    } finally {
      setIsLoading(false);
      console.log(
          "[Comments] Загрузка завершена, isAuthenticated:",
          isAuthenticated()
      );
    }
  });

  const loadComments = async () => {
    try {
      const response = await fetch(
          `/api/comments?post_slug=${encodeURIComponent(props.postSlug)}&parent=null`,
          {
            method: "GET",
            credentials: "include",
          }
      );

      if (!response.ok) {
        throw new Error("Failed to fetch comments");
      }

      const data = await response.json();
      console.log("[Comments] Загружены комментарии:", data);

      // Сохраняем авторов комментариев для проверки
      const authors: Record<string, string> = {};
      data.items.forEach((comment: ApiComment) => {
        if (comment.user) {
          authors[comment.id] = comment.user;
        }
      });
      setCommentAuthors(authors);

      const commentsWithReplies: CommentWithReplies[] = await Promise.all(
          data.items.map(async (comment: ApiComment) => {
            const repliesResponse = await fetch(
                `/api/comments?post_slug=${encodeURIComponent(props.postSlug)}&parent=${comment.id}`,
                {
                  method: "GET",
                  credentials: "include",
                }
            );
            const repliesData = await repliesResponse.json();
            return {
              ...comment,
              replies: repliesData.items || [],
            };
          })
      );

      setComments(commentsWithReplies);
    } catch (error) {
      console.error("[Comments] Ошибка загрузки комментариев:", error);
    }
  };

  onMount(() => {
    if (props.postSlug) {
      loadComments();
    }
  });

  const handleNewComment = async (data: { content: string }) => {
    try {
      const response = await fetch("/api/comments", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        credentials: "include",
        body: JSON.stringify({
          content: data.content,
          post_slug: props.postSlug,
          parent: null,
        }),
      });

      if (!response.ok) {
        const errorData = await response.json();
        throw new Error(errorData.error || "Failed to create comment");
      }

      const newComment = await response.json();
      console.log("[Comments] Комментарий создан:", newComment);

      await loadComments();
    } catch (error) {
      console.error("[Comments] Ошибка создания комментария:", error);
    }
  };

  const handleReply = async (
      commentId: string,
      data: { content: string }
  ) => {
    try {
      const response = await fetch("/api/comments", {
        method: "POST",
        headers: { "Content-Type": "application/json" },
        credentials: "include",
        body: JSON.stringify({
          content: data.content,
          post_slug: props.postSlug,
          parent: commentId,
        }),
      });

      if (!response.ok) {
        const errorData = await response.json();
        if (errorData.error) {
          showToast({ type: "error", message: errorData.error });
          return;
        }
        throw new Error(errorData.error || "Failed to create reply");
      }

      showToast({ type: "success", message: "Ответ успешно отправлен!" });
      console.log("[Comments] Ответ создан");
      await loadComments();
      setReplyTo(null);
    } catch (error) {
      console.error("[Comments] Ошибка создания ответа:", error);
      showToast({ type: "error", message: "Не удалось создать ответ. Попробуйте позже." });
    }
  };

  const handleReplyClick = (commentId: string) => {
    // Получаем ID текущего пользователя из API авторизации
    const checkAuthAndReply = async () => {
      try {
        const response = await fetch("/api/auth/me", {
          credentials: "include",
        });
        const data = await response.json();
        const currentUserId = data.user?.id;
        const commentAuthorId = commentAuthors()[commentId];

        // Проверяем, является ли текущий пользователь автором комментария
        if (commentAuthorId && currentUserId === commentAuthorId) {
          setToastVisible(commentId);
          setTimeout(() => setToastVisible(null), 3000);
          return;
        }

        setReplyTo(replyTo() === commentId ? null : commentId);
      } catch (error) {
        console.error("[handleReplyClick] Ошибка проверки автора:", error);
        setReplyTo(replyTo() === commentId ? null : commentId);
      }
    };

    checkAuthAndReply();
  };

  const Avatar = (props: {
    author: string;
    avatar?: string;
    size?: "sm" | "md";
  }) => {
    const size = props.size || "md";
    const sizeClasses = { sm: "w-8 h-8 text-sm", md: "w-12 h-12 text-lg" };

    return (
        <Show
            when={props.avatar}
            fallback={
              <div
                  class={`${sizeClasses[size]} rounded-full bg-linear-to-br from-blue-400 to-blue-600 flex items-center justify-center text-white font-bold shrink-0`}
              >
                {props.author.charAt(0)}
              </div>
            }
        >
          <img
              src={props.avatar}
              alt={props.author}
              class={`${sizeClasses[size]} rounded-full object-cover shrink-0`}
          />
        </Show>
    );
  };

  const formatDate = (dateString: string) => {
    const date = new Date(dateString);
    return date.toLocaleDateString("ru-RU", {
      day: "numeric",
      month: "long",
      year: "numeric",
      hour: "2-digit",
      minute: "2-digit",
    });
  };

  return (
      <>
        {/* Глобальное toast-уведомление */}
        <Show when={toast()}>
          {(t) => (
              <div
                  class={`fixed bottom-4 right-4 px-6 py-3 rounded-xl shadow-lg transition-all duration-300 z-50 ${
                      t().type === "success"
                          ? "bg-green-500 text-white"
                          : "bg-red-500 text-white"
                  }`}
              >
                {t().message}
              </div>
          )}
        </Show>

        {isLoading() ? (
            <div class="max-w-4xl mx-auto mt-12 pt-8 border-t border-gray-200">
              <div class="flex items-center gap-3 mb-8">
                <h3 class="text-2xl font-bold text-gray-900">Комментарии</h3>
                <span class="px-3 py-1 bg-blue-100 text-blue-700 text-sm font-medium rounded-full">
              0
            </span>
              </div>
              <div class="text-center py-12">
                <div class="inline-block animate-spin rounded-full h-12 w-12 border-4 border-blue-600 border-t-transparent"></div>
                <p class="mt-4 text-gray-600">Загрузка...</p>
              </div>
            </div>
        ) : (
            <Show when={isAuthenticated()} fallback={<CommentLock />}>
              <div class="max-w-4xl mx-auto mt-12 pt-8 border-t border-gray-200">
                <div class="flex items-center gap-3 mb-8">
                  <h3 class="text-2xl font-bold text-gray-900">Комментарии</h3>
                  <span class="px-3 py-1 bg-blue-100 text-blue-700 text-sm font-medium rounded-full">
                {comments().length}
              </span>
                </div>

                <Show
                    when={comments().length > 0}
                    fallback={
                      <div class="text-center py-12 text-gray-500">
                        <p>Пока нет комментариев. Будьте первым!</p>
                      </div>
                    }
                >
                  <div class="space-y-6 mb-10">
                    <For each={comments()}>
                      {(comment) => (
                          <div class="bg-white rounded-2xl p-6 shadow-sm border border-gray-100">
                            <div class="flex items-start gap-4">
                              <Avatar
                                  author={comment.expand?.user?.name || "Аноним"}
                                  avatar={comment.expand?.user?.avatar}
                              />
                              <div class="flex-1 min-w-0">
                                <div class="flex items-center gap-2 mb-2 flex-wrap">
                            <span class="font-semibold text-gray-900">
                              {comment.expand?.user?.name || "Аноним"}
                            </span>
                                  <Show when={comment.is_verified}>
                                    <svg
                                        class="w-4 h-4 text-blue-500"
                                        fill="currentColor"
                                        viewBox="0 0 20 20"
                                    >
                                      <path
                                          fill-rule="evenodd"
                                          d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z"
                                          clip-rule="evenodd"
                                      />
                                    </svg>
                                  </Show>
                                  <span class="text-sm text-gray-400 ml-auto">
                              {formatDate(comment.created)}
                            </span>
                                </div>
                                <p class="text-gray-700 leading-relaxed mb-3">
                                  {comment.content}
                                </p>
                                <div class="flex items-center gap-1">
                                  <button
                                      onClick={() => handleReplyClick(comment.id)}
                                      class="text-sm text-blue-600 hover:text-blue-800 font-medium flex items-center gap-1 transition-colors hover:cursor-pointer"
                                  >
                                    <svg
                                        class="w-4 h-4"
                                        fill="none"
                                        stroke="currentColor"
                                        viewBox="0 0 24 24"
                                    >
                                      <path
                                          stroke-linecap="round"
                                          stroke-linejoin="round"
                                          stroke-width="2"
                                          d="M3 10h10a8 8 0 018 8v2M3 10l6 6m-6-6l6-6"
                                      />
                                    </svg>
                                    {replyTo() === comment.id ? "Отменить" : "Ответить"}
                                  </button>
                                  <Show when={toastVisible() === comment.id}>
                              <span class="text-xs text-yellow-700 bg-yellow-100 px-2 py-1 rounded-md whitespace-nowrap animate-slide-in">
                                ⚠️ Нельзя ответить на свой комментарий
                              </span>
                                  </Show>
                                </div>
                              </div>
                            </div>

                            <Show when={replyTo() === comment.id}>
                              <div class="mt-4 ml-16 pl-4 border-l-2 border-blue-200">
                                <CommentForm
                                    isReply={true}
                                    onSubmit={(data) => handleReply(comment.id, data)}
                                    onCancel={() => setReplyTo(null)}
                                    user={currentUser()}
                                />
                              </div>
                            </Show>

                            <Show when={comment.replies && comment.replies.length > 0}>
                              <div class="mt-4 ml-16 space-y-4">
                                <For each={comment.replies}>
                                  {(reply) => (
                                      <div class="flex items-start gap-3 pl-4 border-l-2 border-gray-200">
                                        <Avatar
                                            author={reply.expand?.user?.name || "Аноним"}
                                            avatar={reply.expand?.user?.avatar}
                                            size="sm"
                                        />
                                        <div class="flex-1 bg-gray-50 rounded-xl p-4">
                                          <div class="flex items-center gap-2 mb-1 flex-wrap">
                                    <span class="font-semibold text-gray-900 text-sm">
                                      {reply.expand?.user?.name || "Аноним"}
                                    </span>
                                            <Show when={reply.is_verified}>
                                              <svg
                                                  class="w-3 h-3 text-blue-500"
                                                  fill="currentColor"
                                                  viewBox="0 0 20 20"
                                              >
                                                <path
                                                    fill-rule="evenodd"
                                                    d="M10 18a8 8 0 100-16 8 8 0 000 16zm3.707-9.293a1 1 0 00-1.414-1.414L9 10.586 7.707 9.293a1 1 0 00-1.414 1.414l2 2a1 1 0 001.414 0l4-4z"
                                                    clip-rule="evenodd"
                                                />
                                              </svg>
                                            </Show>
                                            <span class="text-xs text-gray-400 ml-auto">
                                      {formatDate(reply.created)}
                                    </span>
                                          </div>
                                          <p class="text-gray-700 text-sm leading-relaxed">
                                            {reply.content}
                                          </p>
                                        </div>
                                      </div>
                                  )}
                                </For>
                              </div>
                            </Show>
                          </div>
                      )}
                    </For>
                  </div>
                </Show>

                {/* Основная форма с передачей данных пользователя */}
                <CommentForm onSubmit={handleNewComment} user={currentUser()} />
              </div>
            </Show>
        )}
      </>
  );
}