"use client";

import { useState } from "react";
import LoadingSpinner from "./LoadingSpinner";
import AudioPlayer from "./AudioPlayer";

interface Recording {
  id: string;
  title: string;
  duration: number;
  createdAt: string;
  audioUrl: string;
}

interface RecordingListProps {
  recordings: Recording[];
  onRecordingUpdated?: (updatedRecording: Recording) => void;
}

export default function RecordingList({
  recordings,
  onRecordingUpdated,
}: RecordingListProps) {
  const [deletingId, setDeletingId] = useState<string | null>(null);
  const [hoveredId, setHoveredId] = useState<string | null>(null);
  const [renamingId, setRenamingId] = useState<string | null>(null);
  const [renamingTitle, setRenamingTitle] = useState("");

  const formatDuration = (seconds: number) => {
    const mins = Math.floor(seconds / 60);
    const secs = seconds % 60;
    return `${mins}:${secs.toString().padStart(2, "0")}`;
  };

  const formatDate = (dateString: string) => {
    const date = new Date(dateString);
    const now = new Date();
    const diffInHours = Math.floor(
      (now.getTime() - date.getTime()) / (1000 * 60 * 60)
    );

    if (diffInHours < 24) {
      if (diffInHours < 1) {
        return "刚刚";
      } else if (diffInHours < 2) {
        return "1小时前";
      } else {
        return `${diffInHours}小时前`;
      }
    } else {
      return date.toLocaleDateString("zh-CN", {
        month: "short",
        day: "numeric",
        hour: "2-digit",
        minute: "2-digit",
      });
    }
  };

  const handleDelete = async (id: string) => {
    if (!confirm("确定要删除这个录音吗？")) return;

    setDeletingId(id);
    try {
      const response = await fetch(`/api/recordings/${id}`, {
        method: "DELETE",
      });

      if (response.ok) {
        // 触发父组件刷新
        console.log("录音删除成功，触发刷新事件");
        window.dispatchEvent(new CustomEvent("recording-deleted"));
      } else {
        throw new Error("删除失败");
      }
    } catch (error) {
      console.error("删除错误:", error);
      alert("删除失败，请重试。");
    } finally {
      setDeletingId(null);
    }
  };

  const handleRename = async (id: string, newTitle: string) => {
    if (!newTitle.trim()) {
      alert("录音标题不能为空");
      return;
    }

    console.log(`开始重命名录音: ${id}, 新标题: "${newTitle}"`);

    try {
      const response = await fetch(`/api/recordings/${id}`, {
        method: "PUT",
        headers: {
          "Content-Type": "application/json",
        },
        body: JSON.stringify({ title: newTitle.trim() }),
      });

      if (response.ok) {
        const result = await response.json();

        // 触发父组件刷新
        console.log("录音重命名成功，触发刷新事件");
        window.dispatchEvent(new CustomEvent("recording-renamed"));

        // 强制刷新当前录音的显示
        const updatedRecording = result.data;

        // 调用父组件的更新回调
        if (onRecordingUpdated && updatedRecording) {
          onRecordingUpdated(updatedRecording);
        }

        setRenamingId(null);
        setRenamingTitle("");
      } else {
        const errorData = await response.json().catch(() => ({}));
        console.error(
          `重命名失败，状态码: ${response.status}, 错误信息:`,
          errorData
        );
        throw new Error(`重命名失败: ${response.status}`);
      }
    } catch (error) {
      console.error("重命名错误:", error);
      alert("重命名失败，请重试。");
    }
  };

  const startRename = (recording: Recording) => {
    setRenamingId(recording.id);
    setRenamingTitle(recording.title);
  };

  const cancelRename = () => {
    setRenamingId(null);
    setRenamingTitle("");
  };

  if (!recordings || recordings.length === 0) {
    return (
      <div className="flex flex-col items-center justify-center py-16 px-4">
        <div className="relative mb-8">
          <div className="w-24 h-24 bg-gradient-to-br from-blue-100 to-purple-100 dark:from-blue-900/20 dark:to-purple-900/20 rounded-full flex items-center justify-center">
            <svg
              className="w-12 h-12 text-blue-500 dark:text-blue-400"
              fill="none"
              stroke="currentColor"
              viewBox="0 0 24 24"
            >
              <path
                strokeLinecap="round"
                strokeLinejoin="round"
                strokeWidth={1.5}
                d="M19 11a7 7 0 01-7 7m0 0a7 7 0 01-7-7m7 7v4m0 0H8m4 0h4m-4-8a3 3 0 01-3-3V5a3 3 0 116 0v6a3 3 0 01-3 3z"
              />
            </svg>
          </div>
          <div className="absolute -top-2 -right-2 w-8 h-8 bg-gradient-to-r from-green-400 to-blue-500 rounded-full flex items-center justify-center">
            <svg
              className="w-4 h-4 text-white"
              fill="currentColor"
              viewBox="0 0 20 20"
            >
              <path
                fillRule="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"
                clipRule="evenodd"
              />
            </svg>
          </div>
        </div>
        <h3 className="text-xl font-semibold text-gray-900 dark:text-white mb-2">
          开始你的录音之旅
        </h3>
        <p className="text-gray-500 dark:text-gray-400 text-center max-w-md">
          录制你的第一个音频，让创意在这里发声
        </p>
      </div>
    );
  }

  return (
    <div className="grid gap-4 md:gap-6">
      {recordings.map((recording) => (
        <div
          key={recording.id}
          onMouseEnter={() => setHoveredId(recording.id)}
          onMouseLeave={() => setHoveredId(null)}
          className="group relative bg-white dark:bg-gray-800/50 backdrop-blur-sm rounded-2xl border border-gray-100 dark:border-gray-700/50 p-6 hover:shadow-lg hover:shadow-blue-500/5 dark:hover:shadow-blue-400/5 transition-all duration-300 hover:scale-[1.02] hover:border-blue-200 dark:hover:border-blue-700/50"
        >
          {/* 背景装饰 */}
          <div className="absolute inset-0 bg-gradient-to-r from-blue-50/50 to-purple-50/50 dark:from-blue-900/10 dark:to-purple-900/10 rounded-2xl opacity-0 group-hover:opacity-100 transition-opacity duration-300" />

          <div className="relative z-10">
            {/* 头部信息 */}
            <div className="flex items-start justify-between mb-4">
              <div className="flex-1 min-w-0">
                <div className="flex items-center gap-3 mb-2">
                  <div className="w-3 h-3 bg-gradient-to-r from-blue-500 to-purple-500 rounded-full animate-pulse" />
                  {renamingId === recording.id ? (
                    <div className="flex items-center gap-2 flex-1">
                      <input
                        type="text"
                        value={renamingTitle}
                        onChange={(e) => setRenamingTitle(e.target.value)}
                        onKeyDown={(e) => {
                          if (e.key === "Enter") {
                            handleRename(recording.id, renamingTitle);
                          } else if (e.key === "Escape") {
                            cancelRename();
                          }
                        }}
                        className="flex-1 px-3 py-1 border border-blue-300 dark:border-blue-600 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500 dark:bg-gray-700 dark:text-white text-lg font-semibold"
                        maxLength={100}
                        autoFocus
                      />
                      <button
                        onClick={() =>
                          handleRename(recording.id, renamingTitle)
                        }
                        className="p-1 text-green-500 hover:text-green-600 transition-colors"
                        title="确定"
                      >
                        <svg
                          className="w-4 h-4"
                          fill="none"
                          stroke="currentColor"
                          viewBox="0 0 24 24"
                        >
                          <path
                            strokeLinecap="round"
                            strokeLinejoin="round"
                            strokeWidth={2}
                            d="M5 13l4 4L19 7"
                          />
                        </svg>
                      </button>
                      <button
                        onClick={cancelRename}
                        className="p-1 text-gray-500 hover:text-gray-600 transition-colors"
                        title="取消"
                      >
                        <svg
                          className="w-4 h-4"
                          fill="none"
                          stroke="currentColor"
                          viewBox="0 0 24 24"
                        >
                          <path
                            strokeLinecap="round"
                            strokeLinejoin="round"
                            strokeWidth={2}
                            d="M6 18L18 6M6 6l12 12"
                          />
                        </svg>
                      </button>
                    </div>
                  ) : (
                    <h3 className="font-semibold text-gray-900 dark:text-white text-lg truncate group-hover:text-blue-600 dark:group-hover:text-blue-400 transition-colors">
                      {recording.title} {/* 当前标题: {recording.title} */}
                    </h3>
                  )}
                </div>

                <div className="flex items-center gap-4 text-sm text-gray-500 dark:text-gray-400">
                  <div className="flex items-center gap-1.5">
                    <svg
                      className="w-4 h-4"
                      fill="none"
                      stroke="currentColor"
                      viewBox="0 0 24 24"
                    >
                      <path
                        strokeLinecap="round"
                        strokeLinejoin="round"
                        strokeWidth={2}
                        d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"
                      />
                    </svg>
                    <span className="font-medium">
                      {formatDuration(recording.duration)}
                    </span>
                  </div>
                  <div className="flex items-center gap-1.5">
                    <svg
                      className="w-4 h-4"
                      fill="none"
                      stroke="currentColor"
                      viewBox="0 0 24 24"
                    >
                      <path
                        strokeLinecap="round"
                        strokeLinejoin="round"
                        strokeWidth={2}
                        d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z"
                      />
                    </svg>
                    <span>{formatDate(recording.createdAt)}</span>
                  </div>
                </div>
              </div>

              {/* 操作按钮 */}
              <div className="flex items-center gap-2 opacity-0 group-hover:opacity-100 transition-opacity duration-200">
                {/* 重命名按钮 */}
                <button
                  onClick={() => startRename(recording)}
                  className="p-2 text-gray-400 hover:text-blue-500 hover:bg-blue-50 dark:hover:bg-blue-900/20 rounded-lg transition-all duration-200 group/btn"
                  title="重命名"
                >
                  <svg
                    className="w-5 h-5 group-hover/btn:scale-110 transition-transform"
                    fill="none"
                    stroke="currentColor"
                    viewBox="0 0 24 24"
                  >
                    <path
                      strokeLinecap="round"
                      strokeLinejoin="round"
                      strokeWidth={2}
                      d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z"
                    />
                  </svg>
                </button>
                {/* 删除按钮 */}
                <button
                  onClick={() => handleDelete(recording.id)}
                  disabled={deletingId === recording.id}
                  className="p-2 text-gray-400 hover:text-red-500 hover:bg-red-50 dark:hover:bg-red-900/20 rounded-lg transition-all duration-200 group/btn"
                  title="删除录音"
                >
                  {deletingId === recording.id ? (
                    <LoadingSpinner size="sm" color="red" />
                  ) : (
                    <svg
                      className="w-5 h-5 group-hover/btn:scale-110 transition-transform"
                      fill="none"
                      stroke="currentColor"
                      viewBox="0 0 24 24"
                    >
                      <path
                        strokeLinecap="round"
                        strokeLinejoin="round"
                        strokeWidth={2}
                        d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"
                      />
                    </svg>
                  )}
                </button>
              </div>
            </div>

            {/* 音频播放器 */}
            <div className="relative">
              <div className="bg-gray-50 dark:bg-gray-700/50 rounded-xl p-4 border border-gray-100 dark:border-gray-600/50">
                <AudioPlayer
                  src={recording.audioUrl}
                  title={recording.title}
                  duration={recording.duration}
                  recordingId={recording.id}
                />
              </div>

              {/* 播放器装饰 */}
              <div className="absolute -top-1 -right-1 w-6 h-6 bg-gradient-to-r from-green-400 to-blue-500 rounded-full flex items-center justify-center opacity-0 group-hover:opacity-100 transition-opacity duration-300">
                <svg
                  className="w-3 h-3 text-white"
                  fill="currentColor"
                  viewBox="0 0 20 20"
                >
                  <path
                    fillRule="evenodd"
                    d="M10 18a8 8 0 100-16 8 8 0 000 16zM9.555 7.168A1 1 0 008 8v4a1 1 0 001.555.832l3-2a1 1 0 000-1.664l-3-2z"
                    clipRule="evenodd"
                  />
                </svg>
              </div>
            </div>
          </div>
        </div>
      ))}
    </div>
  );
}