import 'dotenv/config';
export function getConfig() {
  const token = process.env.DISCORD_TOKEN?.trim();
  const guildId = process.env.GUILD_ID?.trim() || null;
  const databaseUrl = process.env.DATABASE_URL?.trim();
  const port = Number(process.env.PORT || 7860);
  const adminRoleName = process.env.ADMIN_ROLE_NAME?.trim() || 'Admin';
  const oddsApiKey = process.env.ODDS_API_KEY?.trim() || null;
  const oddsApiBaseUrl = process.env.ODDS_API_BASE_URL?.trim() || 'https://api.the-odds-api.com/v4';
  const oddsApiSportKey = process.env.ODDS_API_SPORT_KEY?.trim() || 'baseball_mlb';
  const oddsApiRegions = process.env.ODDS_API_REGIONS?.trim() || 'us,us2,us_dfs,us_ex';
  const oddsApiBookmakers = (process.env.ODDS_API_BOOKMAKERS?.trim()
    || 'fanduel,draftkings,betmgm,williamhill_us,fanatics,ballybet,hardrockbet,betr_us_dfs,pick6,prizepicks,underdog,kalshi,novig,polymarket,prophetx')
    .split(',')
    .map((value) => value.trim())
    .filter(Boolean);
  const oddsApiMarkets = (process.env.ODDS_API_MARKETS?.trim()
    || 'batter_home_runs,batter_hits,batter_total_bases,batter_rbis,batter_runs_scored,batter_hits_runs_rbis,pitcher_strikeouts')
    .split(',')
    .map((value) => value.trim())
    .filter(Boolean);
  const circaDropboxUrl = process.env.CIRCA_DROPBOX_URL?.trim() || null;
  const scanReportChannelId = process.env.SCAN_REPORT_CHANNEL_ID?.trim() || null;
  const scanAlertChannelId = process.env.SCAN_ALERT_CHANNEL_ID?.trim() || null;
  const scanMorningTime = process.env.SCAN_MORNING_TIME?.trim() || '08:00';
  const scanMorningFallbackTime = process.env.SCAN_MORNING_FALLBACK_TIME?.trim() || '09:45';
  const scanTimeZone = process.env.SCAN_TIMEZONE?.trim() || 'America/Chicago';
  const scanMinBooks = Number(process.env.SCAN_MIN_BOOKS || 6);
  const scanDisagreementThreshold = Number(process.env.SCAN_DISAGREEMENT_THRESHOLD || 0.08);
  const scanAlertCooldownMinutes = Number(process.env.SCAN_ALERT_COOLDOWN_MINUTES || 180);
  const scanFrequencyMinutes = Number(process.env.SCAN_FREQUENCY_MINUTES || 15);
  const scanHttpTimeoutMs = Number(process.env.SCAN_HTTP_TIMEOUT_MS || 15000);
  const directOddsCacheTtlMs = Number(process.env.DIRECT_ODDS_CACHE_TTL_MS || 60000);
  const sharpEdgeAlertThreshold = Number(process.env.SHARP_EDGE_ALERT_THRESHOLD || 0.04);
  const sharpEdgeAlertMinBooks = Number(process.env.SHARP_EDGE_ALERT_MIN_BOOKS || 6);
  const staleBookAlertThreshold = Number(process.env.STALE_BOOK_ALERT_THRESHOLD || 0.025);
  const reverseAlertThreshold = Number(process.env.REVERSE_ALERT_THRESHOLD || 0.03);
  const dfsScanMinBooks = Number(process.env.DFS_SCAN_MIN_BOOKS || 4);
  const dfsEdgeAlertThreshold = Number(process.env.DFS_EDGE_ALERT_THRESHOLD || sharpEdgeAlertThreshold);
  const dfsReverseAlertThreshold = Number(process.env.DFS_REVERSE_ALERT_THRESHOLD || reverseAlertThreshold);
  const dfsStaleAlertThreshold = Number(process.env.DFS_STALE_ALERT_THRESHOLD || staleBookAlertThreshold);
  const exchangeScanMinBooks = Number(process.env.EXCHANGE_SCAN_MIN_BOOKS || 4);
  const exchangeEdgeAlertThreshold = Number(process.env.EXCHANGE_EDGE_ALERT_THRESHOLD || sharpEdgeAlertThreshold);
  const exchangeReverseAlertThreshold = Number(process.env.EXCHANGE_REVERSE_ALERT_THRESHOLD || reverseAlertThreshold);
  const exchangeStaleAlertThreshold = Number(process.env.EXCHANGE_STALE_ALERT_THRESHOLD || staleBookAlertThreshold);
  const marketBoardDefaultLimit = Number(process.env.MARKET_BOARD_DEFAULT_LIMIT || 10);
  const sharpEdgeAlertsEnabled = process.env.SHARP_EDGE_ALERTS_ENABLED?.trim() !== 'false';
  const staleBookAlertsEnabled = process.env.STALE_BOOK_ALERTS_ENABLED?.trim() !== 'false';
  const reverseAlertsEnabled = process.env.REVERSE_ALERTS_ENABLED?.trim() !== 'false';
  const circaChannelId = process.env.CIRCA_CHANNEL_ID?.trim() || null;
  const circaDailyTime = process.env.CIRCA_DAILY_TIME?.trim() || '09:30';
  const circaTimeZone = process.env.CIRCA_TIMEZONE?.trim() || 'America/Chicago';
  const circaRetryMinutes = Number(process.env.CIRCA_RETRY_MINUTES || 30);
  const circaMovementFrequencyMinutes = Number(process.env.CIRCA_MOVEMENT_FREQUENCY_MINUTES || 5);
  const matchupHostedBaseUrl = process.env.MLB_HOSTED_BASE_URL?.trim() || null;
  const matchupArtifactCacheTtlMs = Number(process.env.MATCHUP_ARTIFACT_CACHE_TTL_MS || 300000);
  const matchupFallbackDays = Number(process.env.MATCHUP_FALLBACK_DAYS || 7);

  if (!token) {
    throw new Error('Missing DISCORD_TOKEN in environment.');
  }

  if (!databaseUrl) {
    throw new Error('Missing DATABASE_URL in environment.');
  }

  return {
    token,
    guildId,
    databaseUrl,
    port,
    adminRoleName,
    matchups: {
      enabled: Boolean(matchupHostedBaseUrl || databaseUrl),
      hosted: {
        baseUrl: matchupHostedBaseUrl,
        cacheTtlMs: matchupArtifactCacheTtlMs,
        fallbackDays: matchupFallbackDays,
      },
      databaseUrl,
    },
    scanner: {
      enabled: Boolean(
        circaDropboxUrl
        && circaChannelId
        || oddsApiKey
        && scanReportChannelId
        && scanAlertChannelId
        && circaDropboxUrl
      ),
      oddsWorkflowEnabled: Boolean(
        oddsApiKey
        && scanReportChannelId
        && scanAlertChannelId
        && circaDropboxUrl
      ),
      circaWorkflowEnabled: Boolean(circaDropboxUrl && circaChannelId),
      oddsApiKey,
      oddsApiBaseUrl,
      oddsApiSportKey,
      oddsApiRegions,
      oddsApiBookmakers,
      oddsApiMarkets,
      circaDropboxUrl,
      scanReportChannelId,
      scanAlertChannelId,
      scanMorningTime,
      scanMorningFallbackTime,
      scanTimeZone,
      scanMinBooks,
      scanDisagreementThreshold,
      scanAlertCooldownMinutes,
      scanFrequencyMinutes,
      scanHttpTimeoutMs,
      directOddsCacheTtlMs,
      sharpEdgeAlertThreshold,
      sharpEdgeAlertMinBooks,
      staleBookAlertThreshold,
      reverseAlertThreshold,
      dfsScanMinBooks,
      dfsEdgeAlertThreshold,
      dfsReverseAlertThreshold,
      dfsStaleAlertThreshold,
      exchangeScanMinBooks,
      exchangeEdgeAlertThreshold,
      exchangeReverseAlertThreshold,
      exchangeStaleAlertThreshold,
      marketBoardDefaultLimit,
      sharpEdgeAlertsEnabled,
      staleBookAlertsEnabled,
      reverseAlertsEnabled,
      circaChannelId,
      circaDailyTime,
      circaTimeZone,
      circaRetryMinutes,
      circaMovementFrequencyMinutes,
    },
  };
}