<?php


namespace app\api\service;


use app\common\model\ActivityProductModel;
use app\common\model\AdminModel;
use app\common\model\ConfigModel;
use app\common\model\CreditCardConfigModel;
use app\common\model\CustomerModel;
use app\common\model\OrderAnnualFeeModel;
use app\common\model\OrderModel;
use app\common\model\OrderPaymentModel;
use app\common\model\OrderProceedsModel;
use app\common\model\OrderProductModel;
use app\common\model\PaymentChannelModel;
use app\common\model\ProductModel;
use app\common\model\StoreModel;
use app\common\model\StoreProductModel;
use think\cache\driver\Redis;
use think\facade\Db;

class OrderService extends \app\BaseService
{
    private $storeModel;
    private $orderModel;
    private $productModel;
    private $orderAnnualFeeModel;
    private $orderPaymentModel;
    private $orderProductModel;
    private $orderProceedsModel;
    private $activityProductModel;
    private $storeProductModel;
    private $configModel;
    private $adminModel;
    private $customerModel;
    private $paymentChannelModel;
    private $creditCardModel;

    public function __construct()
    {
        $this->storeModel = new StoreModel();
        $this->orderModel = new OrderModel();
        $this->productModel = new ProductModel();
        $this->configModel = new ConfigModel();
        $this->storeProductModel = new StoreProductModel();
        $this->orderAnnualFeeModel = new OrderAnnualFeeModel();
        $this->orderPaymentModel = new OrderPaymentModel();
        $this->orderProductModel = new OrderProductModel();
        $this->orderProceedsModel = new OrderProceedsModel();
        $this->activityProductModel = new ActivityProductModel();
        $this->adminModel = new AdminModel();
        $this->customerModel = new CustomerModel();
        $this->paymentChannelModel = new PaymentChannelModel();
        $this->creditCardModel = new CreditCardConfigModel();
    }

    /**
     * @param $params
     * @param array $store_products_params
     * @return \SResult
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function create($params, array $store_products_params) {
        // 客户
        $customer = $this->customerModel->findById($params['customer_id']);
        if (!$customer)
            return $this->fail(lang("The Customer does not exist"));
        // 门店
        $store = $this->storeModel->findById($params['store_id']);
        if (!$store)
            return $this->fail(lang("The store does not exist"));
        // 顾问 or 老师 ids
        $user_ids = [];
        // 门店商品ids
        $store_product_ids = [];
        for ($i = 0; $i < count($store_products_params); $i++) {
            $store_products_param = $store_products_params[$i];
            $ids = [];
            if(isset($store_products_param->adviser_1_id)) array_push($ids, $store_products_param->adviser_1_id);
            if(isset($store_products_param->adviser_2_id)) array_push($ids, $store_products_param->adviser_2_id);
            if(isset($store_products_param->teacher_id)) array_push($ids, $store_products_param->teacher_id);
            $user_ids = array_unique(array_merge($user_ids, $ids));
            array_push($store_product_ids, $store_products_param->store_product_id);
        }
        // Adviser|Teacher
        $users = $this->adminModel->findByIds($user_ids)->toArray();
        if(count($users) != count($user_ids))
            return $this->fail(lang("The Adviser|Teacher does not exist"));
        $fmt_users = array_reduce($users, function ($result, $item) {
            $result[$item['id']] = $item;
            return $result;
        }, []);
        // 门店商品
        $store_products = $this->storeProductModel->fetchRelationsByOrder($store_product_ids)->toArray();
        if(count($store_products) != count($store_product_ids))
            return $this->fail(lang("The Product does not exist"));
        // 商品信息
        $products = array_map(function ($p) {
            return $p['product'] ? $p['product'] : null;
        }, $store_products);
        if(in_array(null, $products))
            return $this->fail(lang("The Product does not exist"));

        $config = $this->configModel->findConfig();
        $activityProducts = $this->activityProductModel->fetchByProductIds(array_map(function ($data) {
            return $data['id'];
        }, $products))->toArray();
        $fmt_store_products = [];
        foreach ($store_products as &$item) {
            $aProducts = array_filter($activityProducts, function ($aProduct) use ($item) {
                return $aProduct['product_id'] == $item['product_id'];
            });
            $res = compare($item['product']['real_price'] ?? 0, $aProducts);
            $item['activity'] = $res['item'];
            $item['product']['origin_price'] = $item['product']['real_price'];
            $item['product']['real_price'] = fixed2Float($res['min_num'] > 0 ? $res['min_num'] : 0);
            $sales_tax_rate = $item['product']['sales_tax_rate'] > 0 ? $item['product']['sales_tax_rate'] : $config->sales_tax_rate;
            $sales_tax = fixed2Float($sales_tax_rate > 0 && $item['product']['real_price'] > 0 ? ($item['product']['real_price'] * ($sales_tax_rate / 100)) : 0);
            $item['product']['sales_tax_rate'] = $sales_tax_rate;
            $item['product']['sales_tax'] = $sales_tax;
            $fmt_store_products[$item['id']] = $item;
        }
        $order_products = [];
        //项目总额
        $rental_amount = 0;
        $product_amount = 0;
        // 总消费税
        $total_sales_tax = 0;
        $advisor_1_ids = [];
        for ($i = 0; $i < count($store_products_params); $i++) {
            $store_products_param = $store_products_params[$i];
            $store_product = $fmt_store_products[$store_products_param->store_product_id];
            array_push($advisor_1_ids, $store_products_param->adviser_1_id);
            for ($j = 0; $j < $store_products_param->quantity; $j++) {
                array_push($order_products, [
                    'order_id' => 0,
                    'product_id' => $store_product['product']['id'],
                    'store_product_id' => $store_product['id'],
                    'product_name' => $store_product['product']['name'],
                    'adviser_1_id' => isset($store_products_param->adviser_1_id) ?? null,
                    'adviser_1_name'  => isset($store_products_param->adviser_1_id) ? $fmt_users[$store_products_param->adviser_1_id]['nickname'] : null,
                    'adviser_2_id' => isset($store_products_param->adviser_2_id) ?? null,
                    'adviser_2_name'  => isset($store_products_param->adviser_2_id) ? $fmt_users[$store_products_param->adviser_2_id]['nickname'] : null,
                    'teacher_id' => isset($store_products_param->teacher_id) ?? null,
                    'teacher_name'  => isset($store_products_param->teacher_id) ? $fmt_users[$store_products_param->teacher_id]['nickname'] : null,
                    'is_upload_numerology' => $store_product['product']['is_upload_numerology'],
                    'is_upload' => 0,
                    'report'    => null,
                    'is_gather_annuity' => $store_product['product']['is_gather_annuity'],
                    'annuity' => $store_product['product']['annuity'],
                    'real_price'    =>  $store_product['product']['real_price'],
                    'service_charge'    => 0,
                    'reduce_price'    => $store_product['activity'] ? $store_product['product']['origin_price'] - $store_product['product']['real_price'] : 0,
                    'reduce_type'    => $store_product['activity'] ? $store_product['activity']['type'] : 0,
                    'sales_tax_rate' => $store_product['product']['sales_tax_rate'],
                    'sales_tax' => $store_product['product']['sales_tax'],
                    'create_time' => time(),
                    'update_time' => time(),
                ]);
                $product_amount += $store_product['product']['real_price'];
                $total_sales_tax += $store_product['product']['sales_tax'];
                $rental_amount += ($store_product['product']['real_price'] + $store_product['product']['sales_tax']);
            }
        }
        $order = $this->orderModel->create([
            'no' => $this->orderModel->genOrderNo($store->id, $store->abbr),
            'customer_id' => $customer->id,
            'customer_name' => $customer->name_en,
            'rental_amount' => $rental_amount,
            'receivable_amount' =>  $rental_amount,
            'receive_amount'    =>  0,
            'imposed_amount'    =>  $rental_amount,
            'product_amount'    =>  $product_amount,
            'total_sales_tax'   =>  $total_sales_tax,
            'service_charge_amount' =>  0,
            'type'  =>  2,
            'store_id'  =>  $store->id,
            'advisor_ids' => join(',', $advisor_1_ids),
            'create_time' => time(),
            'update_time' => time()
        ]);
        foreach ($order_products as &$order_product) $order_product['order_id'] = $order->id;
        Db::startTrans();
        try {
            Db::table('erp_order_product')->insertAll($order_products);
            Db::commit();
        } catch (\Exception $e) {
            Db::rollback();
            Db::table('erp_order')->delete($order->id);
            return $this->fail(lang($e->getMessage()));
        }
        return $this->ok($order);
    }

    /**
     * @param $params
     * @param $channels
     * @return \SResult
     * @throws \app\exception\BaseException
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\DbException
     * @throws \think\db\exception\ModelNotFoundException
     */
    public function payment($params, $channels) {
        $order = $this->orderModel->findById($params);
        if(!$order)
            return $this->fail('订单不存在!');
        if($order->type == 1)
            return $this->fail('订单状态为历史订单!不支持付款');

        $pay_channels = $this->paymentChannelModel->where('is_delete', 0)->select()->toArray();
        $fmt_pay_channels = array_reduce($pay_channels, function ($result, $item) {
            $result[$item['id']] = $item;
            return $result;
        },[]);
        $credit_card_configs = $this->creditCardModel->findAll()->toArray();
        $fmt_credit_card_configs = array_reduce($credit_card_configs, function ($result, $item) {
            $result[$item['id']] = $item;
            return $result;
        },[]);

        // 本次总计支付费用
        $total_fee = 0;
        // 本次信用卡支付手续费
        $service_charge = 0;
        // 本次御龙币
        $zue_coin = 0;
        $order_payments = [];
        $record_channel_names = [];
        for ($i = 0; $i < count($channels); $i++) {
            $channel = $channels[$i];
            $fmt_pay_channel = $fmt_pay_channels[$channel->channel_id];
            if (!$fmt_pay_channel)
                return $this->fail("支付渠道错误!");
            array_push($record_channel_names, '['.$fmt_pay_channel['name'].']');
            $item = [
                'order_id' => $order->id,
                'channel_id' => $channel->channel_id,
                'create_time' => time(),
                'update_time' => time(),
            ];
            if ($fmt_pay_channel['type'] == 1) { // 正常支付
                predicate(isset($channel->fee) && $channel->fee > 0, '支付费用未填写');
                $item['fee'] = $channel->fee;
                $total_fee += $channel->fee;
                if ($fmt_pay_channel['is_upload_code']) {
                    predicate(isset($channel->code),'必须上传付款编号');
                    $item['code'] = $channel->code;
                }
                array_push($order_payments, $item);

            } else if($fmt_pay_channel['type'] == 2) { // 御龙币支付
                predicate(isset($channel->fee) && $channel->fee > 0, '支付费用未填写');
                $item['fee'] = $channel->fee;
                // TODO: 御龙币需求未明确
                array_push($order_payments, $item);
            } else {
                for ($j = 0; $j < count($channel->credit_card); $j++) {
                    $credit_card = $channel->credit_card[$j];
                    $fmt_credit_card_config = $fmt_credit_card_configs[$credit_card->credit_card_id];
                    if (!$fmt_credit_card_config)
                        return $this->fail("信用卡支付渠道错误!");
                    predicate(isset($credit_card->fee) && $credit_card->fee > 0, '支付费用未填写');
                    $total_fee += $credit_card->fee;
                    $el = [
                        'order_id' => $order->id,
                        'channel_id' => $channel->channel_id,
                        'fee'   => $credit_card->fee,
                        'credit_card_id' => $credit_card->credit_card_id,
                        'credit_card_name' => $fmt_credit_card_config['bank'],
                        'create_time' => time(),
                        'update_time' => time(),
                    ];
                    if ($fmt_pay_channel['is_upload_code']) {
                        predicate(isset($credit_card->code),'必须填写付款编号');
                        $el['code'] = $credit_card->code;
                    }
                    if ($fmt_credit_card_config['is_stage'] == 1) {
                        predicate(isset($credit_card->stage_num),'必须选择分期数');
                        $el['stage_num'] = $credit_card->stage_num;
                        $config = [
                            '6' => $fmt_credit_card_config['stage_6'],
                            '9' => $fmt_credit_card_config['stage_9'],
                            '12' => $fmt_credit_card_config['stage_12'],
                            '24' => $fmt_credit_card_config['stage_24'],
                            '36' => $fmt_credit_card_config['stage_36'],
                        ];
                        $now_config = $config[$credit_card->stage_num];
                        predicate($now_config[0] == 1,'该分期未启用!');
                        if ($now_config[1] > 0) { // 收取手续费
                            $el['service_charge_rate'] = $now_config[1];
                            $now_service_charge = $el['fee'] * ($now_config[1] / 100);
                            $el['service_charge'] = $now_service_charge;
                            $service_charge += $now_service_charge;
                        }
                    }
                    array_push($order_payments, $el);
                }
            }
        }

        // 总共需要收取这么多费用; (商品的价格 + 手续费 + 税费) - 御龙币抵扣的费用
        $imposed_amount = fixed2Float($order->product_amount + ($order->service_charge_amount + $service_charge) + $order->total_sales_tax);
        // 总计实收金额
        $receive_amount = fixed2Float($order->receive_amount + $total_fee);
        if (round($receive_amount) > round($imposed_amount)) return $this->fail("实收金额大于待收金额! 应该支付 {$imposed_amount}");

        $order_annual_fees = [];
        $update_store_products = [];
        if (round($receive_amount) == round($imposed_amount)) { // 减库存
            $order_products = $this->orderProductModel->findByOrderId($order->id)->toArray();
            $store_products = $this->storeProductModel->findByIds(array_map(function ($r) {return $r['store_product_id'];}, $order_products))->toArray();
            $fmt_store_products = array_reduce($store_products, function ($result, $item) {
                $result[$item['id']] = $item;
                return $result;
            },[]);
            foreach ($order_products as $order_product) {
                predicate($fmt_store_products[$order_product['store_product_id']]['now_stock'] > 0, lang('inventory shortage'));
                $fmt_store_products[$order_product['store_product_id']]['now_stock'] -= 1;
                if (isset($update_store_products[$order_product['store_product_id']])) {
                    $update_store_products[$order_product['store_product_id']]['reduce_num'] += 1;
                } else {
                    $update_store_products[$order_product['store_product_id']] = ['id' => $order_product['store_product_id'], 'reduce_num' => 1];
                }
                if ($order_product['is_gather_annuity']) {
                    array_push($order_annual_fees, [
                        'order_id' => $order->id,
                        'order_product_id'  => $order_product['product_id'],
                        'order_product_name' => $order_product['product_name'],
                        'fee' => $order_product['annuity'],
                        'is_pay' => 0,
                        'start_time' => time(),
                        'end_time' => time() + (365 * 24 * 60 * 60),
                        'create_time'   =>  time(),
                        'update_time'   =>  time(),
                    ]);
                }
            }
        }

        Db::startTrans();
        try {
            $update_order = [
                'rental_amount' => $imposed_amount,
                'receivable_amount' => $imposed_amount,
                'receive_amount'    =>  $receive_amount,
                'imposed_amount'    =>  $imposed_amount - $receive_amount,
                'service_charge_amount' =>  $order->service_charge_amount + $service_charge,
            ];
            if (round($receive_amount) == round($imposed_amount)) { // 支付满了
                $update_order['type'] = 2;
                Db::table('erp_order_product')->where('order_id', $order->id)->update(['is_pay' => 1]);
                if(count($order_annual_fees) > 0) {
                    Db::table('erp_order_annual_fee')->insertAll($order_annual_fees);
                }
                if(count($update_store_products) > 0) {
                    foreach ($update_store_products as $update) {
                        Db::table('erp_store_product')->where('id', $update['id'])->dec('now_stock',1);
                        Db::table('erp_store_product')->where('id', $update['id'])->inc('sale_stock',1);
                    }
                }
            }
            Db::table('erp_order_proceeds')->save([
                'order_id' => $order->id,
                'channels' => join(' ',$record_channel_names),
                'fee'   =>  $total_fee,
                'admin_id' => $params['admin_id'],
                'admin_name' => $params['admin_name'],
                'create_time' => time(),
                'update_time' => time(),
            ]);
            if(count($order_payments) > 0) {
                Db::table('erp_order_payment')->insertAll(array_map(function ($data) {
                    return  [
                        "order_id" => isset($data['order_id']) ? $data['order_id'] : null,
                        "channel_id" => isset($data['channel_id']) ? $data['channel_id'] : null,
                        "fee" => isset($data['fee']) ? $data['fee'] : null,
                        "credit_card_id" => isset($data['credit_card_id']) ? $data['credit_card_id'] : null,
                        "credit_card_name" => isset($data['credit_card_name']) ? $data['credit_card_name'] : null,
                        "create_time" => isset($data['create_time']) ? $data['create_time'] : null,
                        "update_time" => isset($data['update_time']) ? $data['update_time'] : null,
                        "code" => isset($data['code']) ? $data['code'] : null,
                        "stage_num" => isset($data['stage_num']) ? $data['stage_num'] : null,
                        "service_charge_rate" => isset($data['service_charge_rate']) ? $data['service_charge_rate'] : null,
                        "service_charge" => isset($data['service_charge']) ? $data['service_charge'] : null
                    ];
                },$order_payments));
            }
            Db::table('erp_order')->where('id', $order->id)->update($update_order);
            Db::commit();
        } catch (\Exception $e) {
            Db::rollback();
            return $this->fail(lang($e->getMessage()));
        }
        return $this->ok(true);
    }

}