<?php

namespace app\admin\controller\mall;

use Throwable;
use app\common\controller\Backend;
use app\common\model\MallOrder;
use app\common\model\MallUserAsset;
use support\think\Db;
use support\Response;
use Webman\Http\Request;

/**
 * 统一订单（后台列表）
 */
class Order extends Backend
{
    /**
     * @var object|null
     * @phpstan-var \app\common\model\MallOrder|null
     */
    protected ?object $model = null;

    protected array|string $preExcludeFields = ['id', 'create_time', 'update_time'];

    protected array $withJoinTable = ['mallItem'];

    protected string|array $quickSearchField = ['user_id', 'external_transaction_id', 'playx_transaction_id'];

    protected string|array $indexField = [
        'id',
        'user_id',
        'type',
        'status',
        'mall_item_id',
        'points_cost',
        'amount',
        'multiplier',
        'external_transaction_id',
        'playx_transaction_id',
        'grant_status',
        'fail_reason',
        'reject_reason',
        'shipping_company',
        'shipping_no',
        'receiver_name',
        'receiver_phone',
        'receiver_address',
        'mall_address_id',
        'create_time',
        'update_time',
    ];

    public function initialize(): void
    {
        parent::initialize();
        $this->model = new \app\common\model\MallOrder();
    }

    /**
     * 查看
     * @throws Throwable
     */
    public function index(Request $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }

        if ($request->get('select') || $request->post('select')) {
            return $this->select($request);
        }

        [$where, $alias, $limit, $order] = $this->queryBuilder();
        $res = $this->model
            ->with(['mallItem' => function ($query) {
                $query->field('id,title');
            }])
            ->visible(['mallItem' => ['title']])
            ->alias($alias)
            ->where($where)
            ->order($order)
            ->paginate($limit);

        return $this->success('', [
            'list'   => $res->items(),
            'total'  => $res->total(),
            'remark' => get_route_remark(),
        ]);
    }

    /**
     * PHYSICAL 发货：更新 shipping_company/shipping_no，并将状态置为 SHIPPED
     */
    public function ship(Request $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }

        if ($request->method() !== 'POST') {
            return $this->error(__('Parameter error'));
        }

        $data = $request->post();
        $id = $data['id'] ?? 0;
        $shippingCompany = $data['shipping_company'] ?? '';
        $shippingNo = $data['shipping_no'] ?? '';

        if (!$id || $shippingCompany === '' || $shippingNo === '') {
            return $this->error(__('Missing required fields'));
        }

        $order = MallOrder::where('id', $id)->find();
        if (!$order) {
            return $this->error(__('Record not found'));
        }
        if ($order->type !== MallOrder::TYPE_PHYSICAL) {
            return $this->error(__('Order type not PHYSICAL'));
        }
        if ($order->status !== MallOrder::STATUS_PENDING) {
            return $this->error(__('Order status must be PENDING'));
        }

        Db::startTrans();
        try {
            $order->shipping_company = $shippingCompany;
            $order->shipping_no = $shippingNo;
            $order->status = MallOrder::STATUS_SHIPPED;
            $order->save();
            Db::commit();
        } catch (Throwable $e) {
            Db::rollback();
            return $this->error($e->getMessage());
        }

        return $this->success(__('Shipped successfully'));
    }

    /**
     * 审核通过（非 PHYSICAL）：更新状态为 COMPLETED
     */
    public function approve(Request $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }

        if ($request->method() !== 'POST') {
            return $this->error(__('Parameter error'));
        }

        $id = $request->post('id', 0);
        if (!$id) {
            return $this->error(__('Missing required fields'));
        }

        $order = MallOrder::where('id', $id)->find();
        if (!$order) {
            return $this->error(__('Record not found'));
        }
        if ($order->status !== MallOrder::STATUS_PENDING) {
            return $this->error(__('Order status must be PENDING'));
        }
        if ($order->type === MallOrder::TYPE_PHYSICAL) {
            return $this->error(__('Order type not supported'));
        }

        Db::startTrans();
        try {
            $order->status = MallOrder::STATUS_COMPLETED;
            $order->update_time = time();
            $order->save();

            Db::commit();
        } catch (Throwable $e) {
            Db::rollback();
            return $this->error($e->getMessage());
        }

        return $this->success(__('Approved successfully'));
    }

    /**
     * 审核驳回：更新状态为 REJECTED，并退回积分到 available_points（所有类型通用）
     */
    public function reject(Request $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }

        if ($request->method() !== 'POST') {
            return $this->error(__('Parameter error'));
        }

        $data = $request->post();
        $id = $data['id'] ?? 0;
        $rejectReason = $data['reject_reason'] ?? '';

        if (!$id) {
            return $this->error(__('Missing required fields'));
        }

        $order = MallOrder::where('id', $id)->find();
        if (!$order) {
            return $this->error(__('Record not found'));
        }
        if ($order->status !== MallOrder::STATUS_PENDING) {
            return $this->error(__('Order status must be PENDING'));
        }

        if ($order->type === MallOrder::TYPE_PHYSICAL && $rejectReason === '') {
            return $this->error(__('Missing required fields'));
        }

        Db::startTrans();
        try {
            $asset = MallUserAsset::where('playx_user_id', $order->user_id ?? '')->find();
            if (!$asset) {
                throw new \RuntimeException('User asset not found');
            }

            $refund = $order->points_cost ?? 0;
            if ($refund > 0) {
                $asset->available_points += $refund;
                $asset->save();
            }

            $order->status = MallOrder::STATUS_REJECTED;
            $order->reject_reason = $rejectReason;
            if ($order->type === MallOrder::TYPE_BONUS) {
                $order->grant_status = MallOrder::GRANT_FAILED_FINAL;
            } else {
                $order->grant_status = MallOrder::GRANT_NOT_APPLICABLE;
            }
            $order->update_time = time();
            $order->save();

            Db::commit();
        } catch (Throwable $e) {
            Db::rollback();
            return $this->error($e->getMessage());
        }

        return $this->success(__('Rejected successfully'));
    }

    /**
     * 手动重试（仅红利推送失败可重试）
     */
    public function retry(Request $request): Response
    {
        $response = $this->initializeBackend($request);
        if ($response !== null) {
            return $response;
        }

        if ($request->method() !== 'POST') {
            return $this->error(__('Parameter error'));
        }

        $id = $request->post('id', 0);
        if (!$id) {
            return $this->error(__('Missing required fields'));
        }

        $order = MallOrder::where('id', $id)->find();
        if (!$order) {
            return $this->error(__('Record not found'));
        }
        if ($order->type !== MallOrder::TYPE_BONUS) {
            return $this->error(__('Only BONUS can retry'));
        }
        if ($order->grant_status !== MallOrder::GRANT_FAILED_RETRYABLE) {
            return $this->error(__('Only FAILED_RETRYABLE can retry'));
        }
        if (($order->retry_count ?? 0) >= 3) {
            return $this->error(__('Retry count exceeded'));
        }

        $order->grant_status = MallOrder::GRANT_NOT_SENT;
        $order->save();

        return $this->success(__('Retry queued'));
    }
}