<?php
namespace App\Core;

class DiceAlgorithm implements GameAlgorithmInterface {

    public static function generateResult(): array {
        return [rand(1, 6), rand(1, 6), rand(1, 6)];
    }

    public static function generateControlledResult(array $bets, array $waterConfig, int $attempts = 100): array {
        if (empty($bets) || empty($waterConfig)) return self::generateResult();
        $bestResult = null;
        $bestProfit = PHP_INT_MIN;
        for ($i = 0; $i < $attempts; $i++) {
            $result = self::generateResult();
            $profit = self::calculatePlatformProfit($result, $bets);
            if ($profit > $bestProfit) { $bestProfit = $profit; $bestResult = $result; }
        }
        return $bestResult;
    }

    public static function checkWin(array $result, string $betType, string $betTarget): bool {
        $total = array_sum($result);
        switch ($betType) {
            case 'big_small':
                return ($betTarget === 'big' && $total >= 11) || ($betTarget === 'small' && $total <= 10);
            case 'odd_even':
                return ($betTarget === 'odd' && $total % 2 === 1) || ($betTarget === 'even' && $total % 2 === 0);
            case 'sum':
                return (int)$betTarget === $total;
            default: return false;
        }
    }

    public static function calculatePlatformProfit(array $result, array $bets): float {
        $totalBet = 0; $totalPayout = 0;
        foreach ($bets as $bet) {
            $amount = (float)$bet['amount'];
            $totalBet += $amount;
            if (self::checkWin($result, $bet['bet_type'], $bet['bet_target'] ?? $bet['bet_value'] ?? '')) {
                $totalPayout += $amount + $amount * (float)$bet['odds'];
            }
        }
        return $totalBet - $totalPayout;
    }

    public static function getResultTable(): ?string { return null; }

    public static function formatResultForStorage(array $result, int $periodId): array {
        return [
            'dice1' => $result[0], 'dice2' => $result[1], 'dice3' => $result[2],
            'total' => array_sum($result),
        ];
    }

    public static function parseResultFromDb(array $row): array {
        return [(int)($row['dice1'] ?? 0), (int)($row['dice2'] ?? 0), (int)($row['dice3'] ?? 0)];
    }
}