import { pickPlayletCardTags, pickVideoCardTags } from "@/components/common/card-tags";
import { playHref } from "@/components/drama-detail/data";
import { formatHeat } from "@/components/ranking/data";
import type { ShortDramaItem } from "@/components/short-drama/data";
import { videoHref } from "@/components/video/video-card";
import type { PlayletHistoryItem, VideoHistoryItem } from "@/lib/api/types";

export const historyTypes = ["短剧", "视频"] as const;
export type HistoryType = (typeof historyTypes)[number];

export const HISTORY_PAGE_SIZE = 24;

export function formatWatchedAt(value?: string | null) {
  const raw = (value || "").trim();
  if (!raw) return "";
  const date = new Date(raw);
  if (Number.isNaN(date.getTime())) return raw;
  const pad = (n: number) => String(n).padStart(2, "0");
  return `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()} ${pad(date.getHours())}:${pad(date.getMinutes())}`;
}

/** 短剧历史 → 卡片展示（保留接口字段语义，仅做展示文案） */
export function mapPlayletHistoryItem(item: PlayletHistoryItem): ShortDramaItem | null {
  const id = Number(item.id);
  if (!Number.isInteger(id) || id < 1) return null;
  const episode = Number(item.episode) || 0;
  const href = episode > 0 ? playHref(id, episode, item.slug) : undefined;
  return {
    kind: "drama",
    id: String(id),
    slug: item.slug,
    title: (item.title || "").trim() || "未命名短剧",
    subtitle: (item.desc || "").trim(),
    tags: pickPlayletCardTags(item),
    heat: formatHeat(item.heatValue ?? item.countBrowse),
    episodes: episode > 0 ? `看到第${episode}集` : item.totalEpisode ? `全${item.totalEpisode}集` : "",
    cover: (item.cover || "").trim(),
    href,
  };
}

/** 视频历史 → 卡片展示 */
export function mapVideoHistoryItem(item: VideoHistoryItem): ShortDramaItem | null {
  const id = Number(item.id);
  if (!Number.isInteger(id) || id < 1) return null;
  return {
    kind: "drama",
    id: String(id),
    slug: item.slug,
    title: (item.title || "").trim() || "未命名视频",
    subtitle: (item.desc || "").trim(),
    tags: pickVideoCardTags(item),
    heat: formatHeat(item.watchNum),
    episodes: formatWatchedAt(item.watchedAt),
    cover: (item.coverImg || "").trim(),
    href: videoHref(String(id), item.slug),
  };
}