import api from './api';

export type Sweepstake = {
  id: number;
  title: string;
  description?: string;
  image_url?: string;
  rules_url?: string;
  start_at: string;
  end_at: string;
  status: string;
  picker_style?: 'wheel' | 'cycler' | string;
  total_prizes?: number;
  prize_summary?: string;
  entry_cost_points?: number;
  entry_fee_czk?: number;
  max_entries_per_user?: number;
  winners_selected_at?: string | null;
  visibility_until?: string | null;
};

export type SweepstakePrize = {
  id: number;
  sweepstake_id: number;
  name: string;
  description?: string;
  image_url?: string;
  value?: string;
  quantity: number;
  display_order: number;
  kind?: 'physical' | 'points' | 'xp' | 'points_xp';
  points?: number;
  xp?: number;
};

export type SweepstakeWinner = {
  id: number;
  sweepstake_id: number;
  entry_id: number;
  user_id: number;
  prize_id?: number | null;
  prize_name?: string;
  claim_status: string;
  announced_at?: string | null;
};

export type CurrentSweepstakeResponse = {
  sweepstake: Sweepstake | null;
  prizes?: SweepstakePrize[];
  winners?: SweepstakeWinner[];
  state?: 'upcoming' | 'active' | 'finalized';
  has_entered?: boolean;
  visual_played_at?: string | null;
};

export async function getCurrentSweepstake(): Promise<CurrentSweepstakeResponse> {
  const res = await api.get('/sweepstakes/current');
  return res.data;
}

export async function enterSweepstake(id: number): Promise<void> {
  await api.post(`/sweepstakes/${id}/enter`, {});
}

export async function markSweepstakeVisualPlayed(id: number): Promise<void> {
  await api.post(`/sweepstakes/${id}/played`, {});
}

export async function getMyWinnings(): Promise<{ items: SweepstakeWinner[] }> {
  const res = await api.get('/sweepstakes/my-winnings');
  return res.data;
}

// Admin
export async function adminListSweepstakes(params?: { status?: string }) {
  const res = await api.get('/admin/sweepstakes', { params });
  return res.data?.items || [];
}

export async function adminCreateSweepstake(data: Partial<Sweepstake> & { start_at: string; end_at: string }) {
  const res = await api.post('/admin/sweepstakes', data);
  return res.data;
}

export async function adminUpdateSweepstake(id: number, data: Partial<Sweepstake>) {
  const res = await api.put(`/admin/sweepstakes/${id}`, data);
  return res.data;
}

export async function adminDeleteSweepstake(id: number) {
  const res = await api.delete(`/admin/sweepstakes/${id}`);
  return res.data;
}

export async function adminListEntries(id: number) {
  const res = await api.get(`/admin/sweepstakes/${id}/entries`);
  return res.data?.items || [];
}

export async function adminListWinners(id: number) {
  const res = await api.get(`/admin/sweepstakes/${id}/winners`);
  return res.data?.items || [];
}

export async function adminFinalizeSweepstake(id: number, seed?: string) {
  const res = await api.post(`/admin/sweepstakes/${id}/finalize`, seed ? { seed } : {});
  return res.data;
}

// Visualizer data
export type VisualEntry = { user_id: number; display_name: string; avatar_url?: string };
export type VisualWinner = { id?: number; user_id: number; prize_name?: string; claim_status?: string };
export type VisualData = { sweepstake: Sweepstake; entries: VisualEntry[]; winners: VisualWinner[] };
export async function adminGetVisualData(id: number): Promise<VisualData> {
  const res = await api.get(`/admin/sweepstakes/${id}/visual`);
  return res.data;
}

export async function getPublicVisualData(id: number): Promise<VisualData> {
  const res = await api.get(`/sweepstakes/${id}/visual`);
  return res.data;
}

// Prizes CRUD
export type SweepstakePrizeInput = Partial<SweepstakePrize> & {
  name?: string;
  quantity?: number;
  display_order?: number;
  kind?: 'physical' | 'points' | 'xp' | 'points_xp';
  points?: number;
  xp?: number;
};
export async function adminListPrizes(id: number): Promise<SweepstakePrize[]> {
  const res = await api.get(`/admin/sweepstakes/${id}/prizes`);
  return res.data?.items || [];
}
export async function adminCreatePrize(id: number, data: SweepstakePrizeInput) {
  const res = await api.post(`/admin/sweepstakes/${id}/prizes`, data);
  return res.data;
}
export async function adminUpdatePrize(id: number, prizeId: number, data: SweepstakePrizeInput) {
  const res = await api.put(`/admin/sweepstakes/${id}/prizes/${prizeId}`, data);
  return res.data;
}
export async function adminDeletePrize(id: number, prizeId: number) {
  const res = await api.delete(`/admin/sweepstakes/${id}/prizes/${prizeId}`);
  return res.data;
}
export async function adminReorderPrizes(id: number, order: number[]) {
  const res = await api.post(`/admin/sweepstakes/${id}/prizes/reorder`, { order });
  return res.data;
}

// Winners management
export async function adminUpdateWinner(id: number, winnerId: number, data: { claim_status?: 'pending'|'claimed'|'delivered'; claim_note?: string }) {
  const res = await api.patch(`/admin/sweepstakes/${id}/winners/${winnerId}`, data);
  return res.data;
}

export async function adminSetWinnerPrize(id: number, winnerId: number, prizeId: number) {
  const res = await api.patch(`/admin/sweepstakes/${id}/winners/${winnerId}/prize`, { prize_id: prizeId });
  return res.data;
}