export type RawShow = {
  showId: number;
  title: string;
  description: string;
  genre: string;
  thumbnailUrl: string;
  bannerUrl?: string;
  concept: string;
  streamingServices: string;
  startDate?: string;
  endDate?: string | null;
  running: boolean;
  logoUrl?: string;
};

export type Show = {
  id: number;
  title: string;
  description: string;
  genres: string[];
  thumbnailUri: string;
  bannerUri: string;
  streamingService: string;
  concept: string;
  startDate?: string;
  endDate?: string | null;
  logoUrl: string;
  running: boolean;
};

const SHOW_API_URL = "http://45.157.177.99:8080/shows";

export async function getShows(): Promise<Show[]> {
  try {
    const apiKey = process.env.EXPO_PUBLIC_API_KEY;
    const response = await fetch(SHOW_API_URL, {
      headers: {
        "Content-Type": "application/json",
        "X-API-Key": apiKey ?? "",
      },
    });
    if (!response.ok) {
      console.error("Fetch error:", response);
      throw new Error("Network response was not ok");
    }
    const data: unknown = await response.json();
    if (!Array.isArray(data)) {
      console.warn("Expected array, got:", data);
      return [];
    }
    return (data as RawShow[]).map((s) => ({
      id: s.showId,
      title: s.title,
      description: s.description,
      genres: s.genre ? s.genre.split(",").map((g) => g.trim()) : [],
      thumbnailUri: s.thumbnailUrl,
      bannerUri: s.bannerUrl ?? "",
      streamingService: s.streamingServices,
      concept: s.concept,
      running: s.running,
      logoUrl: s.logoUrl ?? "",
    }));
  } catch (error) {
    console.error("Fetch error:", error);
    throw error;
  }
}

export async function getShowById(showId: number): Promise<Show | null> {
  const apiKey = process.env.EXPO_PUBLIC_API_KEY;
  const url = `${SHOW_API_URL}/${showId}`;
  const res = await fetch(url, {
    headers: {
      "Content-Type": "application/json",
      "X-API-Key": apiKey ?? "",
    },
  });
  if (res.status === 404) return null;
  if (!res.ok) throw new Error("getShowById failed " + res.status);
  const s = (await res.json()) as RawShow;
  return {
    id: s.showId,
    title: s.title,
    description: s.description,
    genres: s.genre ? s.genre.split(",").map((g) => g.trim()) : [],
    thumbnailUri: s.thumbnailUrl,
    bannerUri: s.bannerUrl ?? "",
    streamingService: s.streamingServices,
    concept: s.concept,
    running: s.running,
    logoUrl: s.logoUrl ?? "",
  };
}