<?php

namespace App\Support;

use Carbon\Carbon;
use App\Models\Draw;
use App\Models\AdminUser;
use App\Models\DrawResultItem;
use App\Models\DrawResultBatch;
use App\Lottery\DrawResultBatchStatus;
use App\Services\Draw\DrawHallSnapshotBuilder;

final class AdminDrawApiPresenter
{
    /**
     * @param  array{total_bet_minor: int, total_payout_minor: int, profit_loss_minor: int}|null  $stats
     * @return array<string, mixed>
     */
    public static function listRow(Draw $draw, ?array $stats, AdminUser $admin): array
    {
        $manage = AdminDrawResponsePolicy::canManageDrawResults($admin);
        $finance = AdminDrawResponsePolicy::canViewDrawFinance($admin);

        $row = [
            'id' => (int) $draw->id,
            'draw_no' => $draw->draw_no,
            'business_date' => self::formatBusinessDate($draw->business_date),
            'sequence_no' => (int) $draw->sequence_no,
            'status' => $draw->status,
            'start_time' => $draw->start_time?->toIso8601String(),
            'close_time' => $draw->close_time?->toIso8601String(),
            'draw_time' => $draw->draw_time?->toIso8601String(),
            'cooling_end_time' => $draw->cooling_end_time?->toIso8601String(),
            'updated_at' => $draw->updated_at?->toIso8601String(),
        ];

        if ($manage) {
            $row['result_source'] = $draw->result_source;
            $row['current_result_version'] = (int) $draw->current_result_version;
            $row['settle_version'] = (int) $draw->settle_version;
            $row['is_reopened'] = (bool) $draw->is_reopened;
        }

        if ($finance && $stats !== null) {
            $row['total_bet_minor'] = $stats['total_bet_minor'];
            $row['total_payout_minor'] = $stats['total_payout_minor'];
            $row['profit_loss_minor'] = $stats['profit_loss_minor'];
        }

        return $row;
    }

    /** @return array<string, mixed> */
    public static function show(Draw $draw, AdminUser $admin, DrawHallSnapshotBuilder $hallPreview): array
    {
        $manage = AdminDrawResponsePolicy::canManageDrawResults($admin);
        $nowUtc = now()->utc();

        $batchCounts = [
            'published' => $draw->resultBatches()
                ->where('status', DrawResultBatchStatus::Published->value)
                ->count(),
        ];

        if ($manage) {
            $batchCounts['total'] = $draw->resultBatches()->count();
            $batchCounts['pending_review'] = $draw->resultBatches()
                ->where('status', DrawResultBatchStatus::PendingReview->value)
                ->count();
        }

        $payload = [
            'id' => (int) $draw->id,
            'draw_no' => $draw->draw_no,
            'business_date' => self::formatBusinessDate($draw->business_date),
            'sequence_no' => (int) $draw->sequence_no,
            'status' => $draw->status,
            'hall_preview_status' => $hallPreview->effectiveHallDisplayStatus($draw, $nowUtc),
            'start_time' => $draw->start_time?->toIso8601String(),
            'close_time' => $draw->close_time?->toIso8601String(),
            'draw_time' => $draw->draw_time?->toIso8601String(),
            'cooling_end_time' => $draw->cooling_end_time?->toIso8601String(),
            'result_batch_counts' => $batchCounts,
            'capabilities' => AdminDrawResponsePolicy::capabilities($admin),
        ];

        if ($manage) {
            $payload['result_source'] = $draw->result_source;
            $payload['current_result_version'] = (int) $draw->current_result_version;
            $payload['settle_version'] = (int) $draw->settle_version;
            $payload['is_reopened'] = (bool) $draw->is_reopened;
            $payload['created_at'] = $draw->created_at?->toIso8601String();
            $payload['updated_at'] = $draw->updated_at?->toIso8601String();
        }

        return $payload;
    }

    /** @return array<string, mixed> */
    public static function resultBatch(DrawResultBatch $batch, AdminUser $admin): array
    {
        $manage = AdminDrawResponsePolicy::canManageDrawResults($admin);

        $row = [
            'id' => (int) $batch->id,
            'result_version' => (int) $batch->result_version,
            'status' => $batch->status,
            'confirmed_at' => $batch->confirmed_at?->toIso8601String(),
            'items' => $batch->items->map(static fn (DrawResultItem $item): array => [
                'prize_type' => $item->prize_type,
                'prize_index' => (int) $item->prize_index,
                'number_4d' => $item->number_4d,
                'suffix_3d' => $item->suffix_3d,
                'suffix_2d' => $item->suffix_2d,
                'head_digit' => $item->head_digit,
                'tail_digit' => $item->tail_digit,
            ])->values()->all(),
        ];

        if ($manage) {
            $row['source_type'] = $batch->source_type;
            $row['rng_seed_hash'] = $batch->rng_seed_hash;
            $row['created_by'] = $batch->created_by;
            $row['confirmed_by'] = $batch->confirmed_by;
            $row['created_at'] = $batch->created_at?->toIso8601String();
            $row['updated_at'] = $batch->updated_at?->toIso8601String();
        }

        return $row;
    }

    private static function formatBusinessDate(mixed $businessDate): string
    {
        return $businessDate instanceof Carbon
            ? $businessDate->format('Y-m-d')
            : (string) $businessDate;
    }
}