import prisma from './db';

export interface AppSettings {
  id: string;
  apiKey: string | null;
  selectedLeague: string;
  leagueId: number;
  season: number;
  siteName: string;
  primaryColor: string;
  secondaryColor: string;
  showLiveMatches: boolean;
  showStandings: boolean;
  showTopScorers: boolean;
  showRecentResults: boolean;
  showUpcoming: boolean;
  refreshInterval: number;
}

const defaultSettings: AppSettings = {
  id: 'main',
  apiKey: null,
  selectedLeague: 'primeira_liga',
  leagueId: 94,
  season: 2024,
  siteName: 'Primeira Liga Stats',
  primaryColor: '#E42518',
  secondaryColor: '#006600',
  showLiveMatches: true,
  showStandings: true,
  showTopScorers: true,
  showRecentResults: true,
  showUpcoming: true,
  refreshInterval: 300,
};

// In-memory cache to avoid a DB round-trip on every API call
let settingsCache: AppSettings | null = null;
let settingsCacheAt = 0;
const SETTINGS_CACHE_TTL = 30_000; // 30 seconds

export async function getSettings(): Promise<AppSettings> {
  // Return from cache if still fresh
  if (settingsCache && Date.now() - settingsCacheAt < SETTINGS_CACHE_TTL) {
    return settingsCache;
  }

  try {
    let settings = await prisma.settings.findUnique({
      where: { id: 'main' },
    });

    if (!settings) {
      // Create default settings with API key from env
      settings = await prisma.settings.create({
        data: {
          ...defaultSettings,
          apiKey: process.env.API_FOOTBALL_API_KEY || null,
        },
      });
    }

    settingsCache = settings as AppSettings;
    settingsCacheAt = Date.now();
    return settingsCache;
  } catch (error) {
    console.error('Failed to get settings:', error);
    return {
      ...defaultSettings,
      apiKey: process.env.API_FOOTBALL_API_KEY || null,
    };
  }
}

/** Call this after any settings update to bust the cache. */
export function invalidateSettingsCache() {
  settingsCache = null;
  settingsCacheAt = 0;
}

export function getLeagueConfig(selectedLeague: string) {
  if (selectedLeague === 'euro_2026') {
    return {
      leagueId: 4, // EURO Championship
      season: 2024, // Euro 2024 (most recent)
      name: 'UEFA Euro 2024',
    };
  }
  return {
    leagueId: 94, // Portuguese Primeira Liga
    season: 2024,
    name: 'Primeira Liga',
  };
}