<?php

namespace App\Service\wx;

use App\BaseApp\BaseWxService;
use App\Models\business\AfterSaleModel;
use App\Models\business\OrderModel;
use App\Service\business\PriceService;

/**
 * 小程序售后：已付款/已发货/已完成可申请，后台审核，不自动退微信款。
 */
class WxAfterSaleService extends BaseWxService
{
    public function list(): array
    {
        $price = PriceService::getInstance();
        $rows = AfterSaleModel::with('order')
            ->where('user_id', $this->userId)
            ->where('deleted_at', 0)
            ->orderByDesc('id')
            ->get()
            ->toArray();
        foreach ($rows as &$row) {
            $row['amount_text'] = $price->centsToYuan((int) ($row['amount'] ?? 0));
            $row['order_no'] = $row['order']['order_no'] ?? '';
            $row['status_text'] = match ((int) ($row['status'] ?? 0)) {
                AfterSaleModel::STATUS_APPROVED => '已通过',
                AfterSaleModel::STATUS_REJECTED => '已拒绝',
                default => '待审核',
            };
            unset($row['order']);
        }
        unset($row);
        return $rows;
    }

    public function create(array $params): array
    {
        $orderId = (int) ($params['order_id'] ?? 0);
        $reason = trim((string) ($params['reason'] ?? ''));
        if ($orderId <= 0 || $reason === '') {
            $this->utils->errorThrow('请填写订单和原因');
        }
        $order = OrderModel::where('id', $orderId)->where('user_id', $this->userId)->where('deleted_at', 0)->first();
        if (empty($order)) {
            $this->utils->errorThrow('订单不存在');
        }
        $status = (int) $order['status'];
        if (!in_array($status, [OrderModel::STATUS_PAID, OrderModel::STATUS_SHIPPED, OrderModel::STATUS_DONE], true)) {
            $this->utils->errorThrow('当前订单状态不能申请售后');
        }
        $pending = AfterSaleModel::where('order_id', $orderId)
            ->where('deleted_at', 0)
            ->where('status', AfterSaleModel::STATUS_PENDING)
            ->exists();
        if ($pending) {
            $this->utils->errorThrow('已有待审核的售后申请');
        }
        $amount = (int) ($params['amount'] ?? 0);
        if ($amount <= 0) {
            $amount = (int) $order['paid_amount'];
        }
        if ($amount > (int) $order['paid_amount']) {
            $this->utils->errorThrow('退款金额不能超过已付金额');
        }
        $now = time();
        $id = (int) AfterSaleModel::insertGetId([
            'order_id' => $orderId,
            'user_id' => $this->userId,
            'reason' => mb_substr($reason, 0, 255),
            'amount' => $amount,
            'images' => is_array($params['images'] ?? null)
                ? implode(',', $params['images'])
                : (string) ($params['images'] ?? ''),
            'status' => AfterSaleModel::STATUS_PENDING,
            'created_at' => $now,
            'updated_at' => $now,
        ]);
        return AfterSaleModel::where('id', $id)->first()->toArray();
    }
}