<?php

namespace Tests\Unit;

use App\Services\WorldCup\Repositories\WorldCupBetRepositoryInterface;
use App\Services\WorldCup\WorldCupBetService;
use Carbon\Carbon;
use Tests\TestCase;

class WorldCupBetServiceTest extends TestCase
{
    public function test_low_balance_can_open_bet_panel_but_button_shows_min_bet()
    {
        $service = new WorldCupBetService();

        $state = $service->buildBetPanelState(400, false);

        $this->assertTrue($state['can_open']);
        $this->assertTrue($state['confirm_disabled']);
        $this->assertSame(400, $state['default_stake']);
        $this->assertSame('Min bet $5', $state['button_text']);
    }

    public function test_bet_rejects_when_balance_is_below_minimum_stake()
    {
        $service = new WorldCupBetService();

        $result = $service->validateStake(400, 400, false);

        $this->assertFalse($result['success']);
        $this->assertSame('Min bet $5', $result['message']);
    }

    public function test_bet_rejects_stake_below_minimum_even_when_balance_is_enough()
    {
        $service = new WorldCupBetService();

        $result = $service->validateStake(400, 10000, false);

        $this->assertFalse($result['success']);
        $this->assertSame('Min bet $5', $result['message']);
    }

    public function test_first_bet_stake_is_capped_at_ten_dollars()
    {
        $service = new WorldCupBetService();

        $result = $service->validateStake(1100, 10000, false);

        $this->assertFalse($result['success']);
        $this->assertSame('First bet $5–$10 · +50% bonus · whole numbers only', $result['message']);
    }

    public function test_place_bet_writes_pending_bet_deducts_balance_and_locks_odds()
    {
        $repository = new InMemoryWorldCupBetRepository();
        $service = new WorldCupBetService($repository);

        $result = $service->placeBet([
            'user_id' => 1001,
            'game_id' => 90000001,
            'market' => '1x2',
            'match_id' => 10,
            'selection' => 'home',
            'stake' => 1000,
            'idempotency_key' => 'bet-key-1',
        ], Carbon::parse('2026-06-05 12:00:00'));

        $this->assertTrue($result['success']);
        $this->assertSame('created', $result['status']);
        $this->assertSame(9000, $repository->balances[1001]);
        $this->assertSame(1000, $repository->bets[0]['stake']);
        $this->assertSame(2.15, $repository->bets[0]['odds']);
        $this->assertSame(575, $repository->bets[0]['bonus_amount']);
        $this->assertSame(2725, $repository->bets[0]['potential_payout']);
        $this->assertTrue($repository->states[1001]['first_bet_used']);
    }

    public function test_place_bet_is_idempotent_by_user_and_key()
    {
        $repository = new InMemoryWorldCupBetRepository();
        $service = new WorldCupBetService($repository);

        $payload = [
            'user_id' => 1001,
            'game_id' => 90000001,
            'market' => '1x2',
            'match_id' => 10,
            'selection' => 'home',
            'stake' => 1000,
            'idempotency_key' => 'bet-key-1',
        ];

        $first = $service->placeBet($payload, Carbon::parse('2026-06-05 12:00:00'));
        $second = $service->placeBet($payload, Carbon::parse('2026-06-05 12:00:00'));

        $this->assertSame('created', $first['status']);
        $this->assertSame('exists', $second['status']);
        $this->assertSame(9000, $repository->balances[1001]);
        $this->assertCount(1, $repository->bets);
    }

    public function test_place_bet_rejects_inactive_odds_and_closed_match()
    {
        $repository = new InMemoryWorldCupBetRepository();
        $service = new WorldCupBetService($repository);

        $inactiveOdds = $service->placeBet([
            'user_id' => 1001,
            'game_id' => 90000001,
            'market' => '1x2',
            'match_id' => 10,
            'selection' => 'away',
            'stake' => 1000,
            'idempotency_key' => 'bet-key-1',
        ], Carbon::parse('2026-06-05 12:00:00'));

        $closedMatch = $service->placeBet([
            'user_id' => 1001,
            'game_id' => 90000001,
            'market' => '1x2',
            'match_id' => 11,
            'selection' => 'home',
            'stake' => 1000,
            'idempotency_key' => 'bet-key-2',
        ], Carbon::parse('2026-06-05 12:00:00'));

        $this->assertFalse($inactiveOdds['success']);
        $this->assertSame('Odds are not available', $inactiveOdds['message']);
        $this->assertFalse($closedMatch['success']);
        $this->assertSame('Match is not available', $closedMatch['message']);
    }

    public function test_place_bet_rejects_match_inside_one_hour_cutoff()
    {
        $repository = new InMemoryWorldCupBetRepository();
        $service = new WorldCupBetService($repository);

        $result = $service->placeBet([
            'user_id' => 1001,
            'game_id' => 90000001,
            'market' => '1x2',
            'match_id' => 10,
            'selection' => 'home',
            'stake' => 1000,
            'idempotency_key' => 'bet-key-cutoff',
        ], Carbon::parse('2026-06-05 14:00:00'));

        $this->assertFalse($result['success']);
        $this->assertSame('Match is not available', $result['message']);
    }

    public function test_bet_log_returns_stats_and_all_rows()
    {
        $repository = new InMemoryWorldCupBetRepository();
        $repository->seedBetLogs();
        $service = new WorldCupBetService($repository);

        $result = $service->betLog(1001, 'all', 20);

        $this->assertSame(2, $result['stats']['pending_count']);
        $this->assertSame(2600, $result['stats']['total_won']);
        $this->assertCount(4, $result['list']);
        $this->assertSame('in_play', $result['list'][0]['display_status']);
        $this->assertSame(106800, $result['list'][0]['display_payout']);
        $this->assertSame('won', $result['list'][2]['display_status']);
        $this->assertSame('lost', $result['list'][3]['display_status']);
        $this->assertSame(-500, $result['list'][3]['display_payout']);
    }

    public function test_bet_log_filters_pending_settled_and_won()
    {
        $repository = new InMemoryWorldCupBetRepository();
        $repository->seedBetLogs();
        $service = new WorldCupBetService($repository);

        $pending = $service->betLog(1001, 'pending', 20);
        $settled = $service->betLog(1001, 'settled', 20);
        $won = $service->betLog(1001, 'won', 20);

        $this->assertCount(2, $pending['list']);
        $this->assertCount(2, $settled['list']);
        $this->assertCount(1, $won['list']);
        $this->assertSame('won', $won['list'][0]['display_status']);
    }

    public function test_admin_bet_logs_returns_formatted_rows_for_backoffice()
    {
        $repository = new InMemoryWorldCupBetRepository();
        $repository->seedBetLogs();
        $service = new WorldCupBetService($repository);

        $result = $service->adminBetLogs([
            'game_id' => '90000001',
            'market' => 'winner',
            'status' => 'pending',
            'limit' => 20,
        ]);

        $this->assertCount(1, $result['list']);
        $this->assertSame(90000001, $result['list'][0]['game_id']);
        $this->assertSame(1001, $result['list'][0]['user_id']);
        $this->assertSame('$178.00', $result['list'][0]['stake_text']);
        $this->assertSame('$0.00', $result['list'][0]['bonus_text']);
        $this->assertSame('Pending', $result['list'][0]['status_label']);
        $this->assertSame('/admin/global/id_find?UserID=1001', $result['list'][0]['user_detail_url']);

        $lost = $service->adminBetLogs([
            'game_id' => '90000003',
            'status' => 'lost',
            'limit' => 20,
        ]);

        $this->assertSame('20 (South Korea vs Czechia)', $lost['list'][0]['match_label']);
        $this->assertSame('$0.00', $lost['list'][0]['potential_payout_text']);
    }
}

class InMemoryWorldCupBetRepository implements WorldCupBetRepositoryInterface
{
    public $balances = [1001 => 10000];

    public $states = [];

    public $bets = [];

    private $matches = [
        10 => [
            'match_id' => 10,
            'kickoff_at' => '2026-06-05 15:00:00',
            'status' => 'scheduled',
            'result' => null,
        ],
        11 => [
            'match_id' => 11,
            'kickoff_at' => '2026-06-05 12:30:00',
            'status' => 'scheduled',
            'result' => null,
        ],
    ];

    private $logMatches = [
        20 => [
            'match_id' => 20,
            'home_team' => 'South Korea',
            'away_team' => 'Czechia',
            'competition' => 'World Cup',
        ],
    ];

    private $odds = [
        '1x2:10:home' => [
            'odds_id' => 1,
            'market' => '1x2',
            'match_id' => 10,
            'selection' => 'home',
            'decimal_odds' => 2.15,
            'is_active' => 1,
        ],
        '1x2:10:away' => [
            'odds_id' => 2,
            'market' => '1x2',
            'match_id' => 10,
            'selection' => 'away',
            'decimal_odds' => 1.95,
            'is_active' => 0,
        ],
    ];

    public function findBetByIdempotencyKey(int $userId, string $idempotencyKey): ?array
    {
        foreach ($this->bets as $bet) {
            if ((int)$bet['user_id'] === $userId && $bet['idempotency_key'] === $idempotencyKey) {
                return $bet;
            }
        }

        return null;
    }

    public function findMatch(int $matchId): ?array
    {
        return $this->matches[$matchId] ?? null;
    }

    public function findActiveOdds(string $market, ?int $matchId, string $selection): ?array
    {
        $key = $market . ':' . (string)$matchId . ':' . $selection;
        $odds = $this->odds[$key] ?? null;

        if (!$odds || (int)$odds['is_active'] !== 1) {
            return null;
        }

        return $odds;
    }

    public function getBalance(int $userId): int
    {
        return (int)($this->balances[$userId] ?? 0);
    }

    public function isFirstBetUsed(int $userId): bool
    {
        return (bool)($this->states[$userId]['first_bet_used'] ?? false);
    }

    public function createBetAndDeductBalance(array $bet, bool $markFirstBetUsed): array
    {
        $this->balances[$bet['user_id']] -= $bet['stake'];
        if ($markFirstBetUsed) {
            $this->states[$bet['user_id']]['first_bet_used'] = true;
        }

        $bet['bet_id'] = count($this->bets) + 1;
        $this->bets[] = $bet;

        return $bet;
    }

    public function seedBetLogs(): void
    {
        $this->bets = [
            [
                'bet_id' => 1,
                'user_id' => 1001,
                'game_id' => 90000001,
                'market' => 'winner',
                'match_id' => null,
                'selection' => 'France',
                'stake' => 17800,
                'odds' => 6.0,
                'bonus_amount' => 0,
                'potential_payout' => 106800,
                'status' => 'pending',
                'created_at' => '2026-06-06 12:00:00',
            ],
            [
                'bet_id' => 2,
                'user_id' => 1001,
                'game_id' => 90000001,
                'market' => '1x2',
                'match_id' => 20,
                'selection' => 'home',
                'stake' => 1000,
                'odds' => 2.6,
                'bonus_amount' => 800,
                'potential_payout' => 2600,
                'status' => 'pending',
                'created_at' => '2026-06-06 11:00:00',
            ],
            [
                'bet_id' => 3,
                'user_id' => 1001,
                'game_id' => 90000002,
                'market' => '1x2',
                'match_id' => 20,
                'selection' => 'draw',
                'stake' => 1000,
                'odds' => 2.6,
                'bonus_amount' => 0,
                'potential_payout' => 2600,
                'status' => 'won',
                'created_at' => '2026-06-06 10:00:00',
            ],
            [
                'bet_id' => 4,
                'user_id' => 1001,
                'game_id' => 90000003,
                'market' => '1x2',
                'match_id' => 20,
                'selection' => 'draw',
                'stake' => 500,
                'odds' => 2.6,
                'bonus_amount' => 0,
                'potential_payout' => 1300,
                'status' => 'lost',
                'created_at' => '2026-06-06 09:00:00',
            ],
        ];
    }

    public function betLogs(int $userId, string $status, int $limit): array
    {
        $rows = array_values(array_filter($this->bets, function (array $bet) use ($userId, $status) {
            if ((int)$bet['user_id'] !== $userId) {
                return false;
            }

            if ($status === 'pending') {
                return $bet['status'] === 'pending';
            }

            if ($status === 'settled') {
                return in_array($bet['status'], ['won', 'lost'], true);
            }

            if ($status === 'won') {
                return $bet['status'] === 'won';
            }

            return true;
        }));

        return array_slice(array_map(function (array $bet) {
            $match = $bet['match_id'] ? ($this->logMatches[$bet['match_id']] ?? []) : [];

            return array_merge($bet, [
                'home_team' => $match['home_team'] ?? null,
                'away_team' => $match['away_team'] ?? null,
                'competition' => $match['competition'] ?? 'World Cup',
            ]);
        }, $rows), 0, $limit);
    }

    public function betLogStats(int $userId): array
    {
        $pending = 0;
        $totalWon = 0;
        foreach ($this->bets as $bet) {
            if ((int)$bet['user_id'] !== $userId) {
                continue;
            }

            if ($bet['status'] === 'pending') {
                $pending++;
            } elseif ($bet['status'] === 'won') {
                $totalWon += (int)$bet['potential_payout'];
            }
        }

        return [
            'pending_count' => $pending,
            'total_won' => $totalWon,
        ];
    }

    public function adminBetLogs(array $filters): array
    {
        $rows = $this->bets;

        if (!empty($filters['game_id'])) {
            $rows = array_filter($rows, function (array $bet) use ($filters) {
                return (string)$bet['game_id'] === (string)$filters['game_id'];
            });
        }

        if (!empty($filters['status'])) {
            $rows = array_filter($rows, function (array $bet) use ($filters) {
                return $bet['status'] === $filters['status'];
            });
        }

        if (!empty($filters['market'])) {
            $rows = array_filter($rows, function (array $bet) use ($filters) {
                return $bet['market'] === $filters['market'];
            });
        }

        return array_values(array_slice(array_map(function (array $bet) {
            $match = $bet['match_id'] ? ($this->logMatches[$bet['match_id']] ?? []) : [];

            return array_merge($bet, [
                'home_team' => $match['home_team'] ?? null,
                'away_team' => $match['away_team'] ?? null,
                'competition' => $match['competition'] ?? 'World Cup',
            ]);
        }, $rows), 0, (int)($filters['limit'] ?? 100)));
    }
}