export type RawSeasonParticipant = {
  personId: number;
  name: string;
  birthDate?: string;
  imageUrl?: string | null;
  partner?: {
    personId: number;
    name: string;
    birthDate?: string;
    imageUrl?: string | null;
  };
};

export type RawSeason = {
  seasonId: number;
  seasonNumber: number;
  startDate?: string;
  endDate?: string | null;
  seasonParticipants: RawSeasonParticipant[];
  show?: number; 
  moderators?: unknown[];
};

export type SeasonParticipant = {
  id: number;
  name: string;
  birthYear?: number;
  imageUri: string;
};

export type Season = {
  id: number;
  showId: number;
  seasonNumber: number;
  startDate?: string;
  endDate?: string | null;
  participants: SeasonParticipant[];
};

const SEASON_BASE_URL = "https://fltr-app.de/api/shows";

export async function getSeason(
  showId: number,
  seasonNumber: number
): Promise<Season | null> {
  const url = `${SEASON_BASE_URL}/${showId}/seasons/${seasonNumber}`;
  try {
    const apiKey = process.env.EXPO_PUBLIC_API_KEY;
    console.log("[getSeason] Fetch:", url);
    const res = await fetch(url, {
      headers: {
        Accept: "application/json",
        "Content-Type": "application/json",
        "X-API-Key": apiKey ?? "",
      },
    });
    console.log("[getSeason] Status:", res.status);
    if (res.status === 404) return null;
    if (!res.ok) throw new Error("Season fetch failed " + res.status);

    const raw: RawSeason = await res.json();

    const participants: SeasonParticipant[] = Array.isArray(
      raw.seasonParticipants
    )
      ? raw.seasonParticipants.map((p) => ({
          id: p.personId,
          name: p.name,
          birthYear: p.birthDate ? Number(p.birthDate.slice(0, 4)) : undefined,
          imageUri:
            p.imageUrl ??
            `https://i.pravatar.cc/300?img=${Math.floor(Math.random() * 70) + 1}`,
        }))
      : [];

    return {
      id: raw.seasonId,
      showId, 
      seasonNumber: raw.seasonNumber,
      startDate: raw.startDate,
      endDate: raw.endDate,
      participants,
    };
  } catch (e) {
    console.error("getSeason error:", e);
    throw e;
  }
}