58 lines
2.0 KiB
PHP
58 lines
2.0 KiB
PHP
<?php
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namespace App\Services\Settlement\Matchers;
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use App\Models\TicketItem;
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use App\Models\TicketCombination;
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use Illuminate\Support\Collection;
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use App\Services\Settlement\OddsSnapshotReader;
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use App\Services\Settlement\PublishedDrawResultBoard;
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use App\Services\Settlement\Contracts\SettlementPlayMatcher;
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/** pos_3a / pos_3b / pos_3c：后三位命中对应档。头奖命中时 `matched_prize_tier` 为 first（Jackpot 口径）。 */
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final class Pos3TierSettlementMatcher implements SettlementPlayMatcher
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{
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/** @var array<string, string> */
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private const PLAY_TO_TIER = [
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'pos_3a' => 'first',
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'pos_3b' => 'second',
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'pos_3c' => 'third',
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];
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public function __construct(
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private readonly OddsSnapshotReader $odds,
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) {}
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public function match(TicketItem $item, PublishedDrawResultBoard $board, Collection $combinations): array
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{
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$tier = self::PLAY_TO_TIER[$item->play_code] ?? 'first';
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$suffix = $board->suffix3ForTier($tier, 0);
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if ($suffix === '') {
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return ['win_amount' => 0, 'matched_prize_tier' => null, 'match_detail' => ['reason' => 'no_suffix']];
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}
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$snapshot = is_array($item->odds_snapshot_json) ? $item->odds_snapshot_json : null;
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$oddsVal = $this->odds->oddsValueForScope($snapshot, $tier);
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$lines = [];
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$total = 0;
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foreach ($combinations as $c) {
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/** @var TicketCombination $c */
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$n = (string) $c->number_4d;
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if (strlen($n) < 3 || substr($n, -3) !== $suffix) {
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continue;
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}
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$bet = (int) $c->bet_amount;
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$payout = (int) floor($bet * ($oddsVal / 10_000));
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$total += $payout;
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$lines[] = ['number_4d' => $n, 'suffix3' => $suffix, 'payout' => $payout];
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}
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return [
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'win_amount' => $total,
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'matched_prize_tier' => $total > 0 ? $tier : null,
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'match_detail' => ['lines' => $lines],
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];
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}
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}
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