import test from 'node:test';
import assert from 'node:assert/strict';
import { newDb } from 'pg-mem';
import { BetStore } from '../src/db.js';

async function createStore() {
  const db = newDb();
  const { Pool } = db.adapters.createPg();
  const pool = new Pool();
  const store = new BetStore('postgresql://test', { pool });
  await store.initialize();
  return store;
}

test('tracks bet numbering independently per user', async () => {
  const store = await createStore();

  await store.createBet({ id: 'user-a', username: 'a', displayName: 'A' }, {
    book: 'FanDuel',
    sport: 'NBA',
    oddsInput: '-110',
    normalizedDecimalOdds: 1.9091,
    prop: 'Knicks ML',
    stake: 25,
    rawInput: 'raw',
  });
  await store.createBet({ id: 'user-b', username: 'b', displayName: 'B' }, {
    book: 'DraftKings',
    sport: 'NBA',
    oddsInput: '+120',
    normalizedDecimalOdds: 2.2,
    prop: 'Lakers ML',
    stake: 10,
    rawInput: 'raw',
  });

  assert.equal((await store.findBet('user-a', 1)).betNumber, 1);
  assert.equal((await store.findBet('user-b', 1)).betNumber, 1);

  await store.close();
});

test('calculates roi excluding void bets from settled stake', async () => {
  const store = await createStore();
  const user = { id: 'user-a', username: 'a', displayName: 'A' };

  await store.createBet(user, {
    book: 'FanDuel',
    sport: 'NBA',
    oddsInput: '-110',
    normalizedDecimalOdds: 1.9091,
    prop: 'Knicks ML',
    stake: 25,
    rawInput: 'raw',
  });
  await store.createBet(user, {
    book: 'DraftKings',
    sport: 'NBA',
    oddsInput: '+150',
    normalizedDecimalOdds: 2.5,
    prop: 'Lakers ML',
    stake: 10,
    rawInput: 'raw',
  });
  await store.createBet(user, {
    book: 'Caesars',
    sport: 'NBA',
    oddsInput: '-105',
    normalizedDecimalOdds: 1.9524,
    prop: 'Celtics ML',
    stake: 5,
    rawInput: 'raw',
  });

  await store.resolveBet(user.id, 1, 'win');
  await store.resolveBet(user.id, 2, 'loss');
  await store.resolveBet(user.id, 3, 'void');

  const summary = await store.getUserSummary(user.id);
  assert.equal(summary.wins, 1);
  assert.equal(summary.losses, 1);
  assert.equal(summary.voids, 1);
  assert.equal(summary.settledStake, 35);
  assert.equal(summary.netProfit.toFixed(2), '12.73');

  await store.close();
});

test('returns sportsbook breakdown with roi and win rate', async () => {
  const store = await createStore();
  const user = { id: 'user-books', username: 'books', displayName: 'Books' };

  await store.createBet(user, {
    book: 'FanDuel',
    sport: 'MLB',
    oddsInput: '+100',
    normalizedDecimalOdds: 2,
    prop: 'Bet A',
    stake: 10,
    rawInput: 'raw',
  });
  await store.createBet(user, {
    book: 'FanDuel',
    sport: 'MLB',
    oddsInput: '-110',
    normalizedDecimalOdds: 1.9091,
    prop: 'Bet B',
    stake: 20,
    rawInput: 'raw',
  });
  await store.createBet(user, {
    book: 'DraftKings',
    sport: 'NBA',
    oddsInput: '+150',
    normalizedDecimalOdds: 2.5,
    prop: 'Bet C',
    stake: 10,
    rawInput: 'raw',
  });

  await store.resolveBet(user.id, 1, 'win');
  await store.resolveBet(user.id, 2, 'loss');
  await store.resolveBet(user.id, 3, 'win');

  const rows = await store.getBookBreakdown(user.id);
  const draftKings = rows.find((row) => row.book === 'DraftKings');
  const fanDuel = rows.find((row) => row.book === 'FanDuel');

  assert.equal(rows.length, 2);
  assert.equal(draftKings.winRatePercent, 100);
  assert.equal(draftKings.roiPercent, 150);
  assert.equal(fanDuel.wins, 1);
  assert.equal(fanDuel.losses, 1);
  assert.equal(fanDuel.totalBets, 2);

  await store.close();
});

test('soft delete removes a bet from active summaries', async () => {
  const store = await createStore();
  const user = { id: 'user-delete', username: 'delete', displayName: 'Delete' };

  await store.createBet(user, {
    book: 'FanDuel',
    sport: 'MLB',
    oddsInput: '+100',
    normalizedDecimalOdds: 2,
    prop: 'Bet A',
    stake: 10,
    rawInput: 'raw',
  });

  await store.softDeleteBet(user.id, 1, 'mistake');
  const summary = await store.getUserSummary(user.id);
  const deletedBet = await store.findBet(user.id, 1);

  assert.equal(summary.totalBets, 0);
  assert.equal(deletedBet.deletedReason, 'mistake');

  await store.close();
});

test('bankroll settings update user profile and units', async () => {
  const store = await createStore();
  const user = { id: 'user-bankroll', username: 'bankroll', displayName: 'Bankroll' };

  await store.updateUserPerformanceConfig(user, {
    startingBankroll: 500,
    unitSize: 25,
  });
  await store.createBet(user, {
    book: 'BetMGM',
    sport: 'NFL',
    oddsInput: '+150',
    normalizedDecimalOdds: 2.5,
    prop: 'Bet A',
    stake: 50,
    rawInput: 'raw',
  });

  const profile = await store.getUserProfile(user.id);
  const bet = await store.findBet(user.id, 1);

  assert.equal(profile.startingBankroll, 500);
  assert.equal(profile.unitSize, 25);
  assert.equal(bet.unitsValue, 2);

  await store.close();
});

test('returns sport breakdown with roi and win rate', async () => {
  const store = await createStore();
  const user = { id: 'user-sports', username: 'sports', displayName: 'Sports' };

  await store.createBet(user, {
    book: 'FanDuel',
    sport: 'MLB',
    oddsInput: '+100',
    normalizedDecimalOdds: 2,
    prop: 'Bet A',
    stake: 10,
    rawInput: 'raw',
  });
  await store.createBet(user, {
    book: 'DraftKings',
    sport: 'NFL',
    oddsInput: '-110',
    normalizedDecimalOdds: 1.9091,
    prop: 'Bet B',
    stake: 20,
    rawInput: 'raw',
  });
  await store.resolveBet(user.id, 1, 'win');
  await store.resolveBet(user.id, 2, 'loss');

  const rows = await store.getSportBreakdown(user.id);
  const mlb = rows.find((row) => row.label === 'MLB');
  const nfl = rows.find((row) => row.label === 'NFL');

  assert.equal(rows.length, 2);
  assert.equal(mlb.roiPercent, 100);
  assert.equal(nfl.losses, 1);

  await store.close();
});

test('allows settled bets to update metadata without changing financial fields', async () => {
  const store = await createStore();
  const user = { id: 'user-edit-settled', username: 'edit', displayName: 'Edit' };

  await store.createBet(user, {
    book: 'FanDuel',
    sport: 'Other',
    oddsInput: '+100',
    normalizedDecimalOdds: 2,
    prop: 'Bet A',
    stake: 10,
    rawInput: 'raw',
  });
  await store.resolveBet(user.id, 1, 'win');

  const updated = await store.updateBet(user.id, 1, {
    sport: 'MLB',
    rawInput: 'book: FanDuel\nsport: MLB\nprop: Bet A\nodds: +100\nstake: 10',
  });

  assert.equal(updated.type, 'updated');
  assert.equal(updated.bet.sport, 'MLB');
  assert.equal(updated.bet.profitLoss, 10);

  const locked = await store.updateBet(user.id, 1, {
    stake: 25,
  });
  assert.equal(locked.type, 'financial_locked');

  await store.close();
});