<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use think\exception\PDOException;
use think\exception\ValidateException;
use Exception;

/**
 * 服务项目与商品管理
 *
 * @icon fa fa-circle-o
 */
class Service extends Backend
{
    /**
     * Service模型对象
     * @var \app\admin\model\Service
     */
    protected $model = null;
    protected $relationSearch = true;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Service;
        $this->view->assign("priceTypeList", $this->model->getPriceTypeList());
        $this->view->assign("statusList", $this->model->getStatusList());

        // 获取全部可用的公共增项服务列表
        $addonsPool = Db::name('service_addon')
            ->where('status', 'normal')
            ->order('weigh desc, id asc')
            ->select();
        $this->view->assign("addonsPool", $addonsPool);
    }

    public function index()
    {
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $list = $this->model
            ->with(['cat'])
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    /**
     * 添加服务商品
     */
    public function add()
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }

                // 处理工项类型与增项配置
                $params = $this->formatServiceConfig($params);

                $result = false;
                Db::startTrans();
                try {
                    $result = $this->model->allowField(true)->save($params);
                    $serviceId = $this->model->id;

                    // 处理规格列表
                    $this->syncSpecs($serviceId, $this->request->post('specs/a', []));

                    Db::commit();
                } catch (ValidateException|PDOException|Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        return $this->view->fetch();
    }

    /**
     * 编辑服务商品（工项价格、规格价格、增项服务绑定）
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $adminIds = $this->getDataLimitAdminIds();
        if (is_array($adminIds) && !in_array($row[$this->dataLimitField], $adminIds)) {
            $this->error(__('You have no permission'));
        }
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                // 处理工项类型与增项配置
                $params = $this->formatServiceConfig($params);

                $result = false;
                Db::startTrans();
                try {
                    $result = $row->allowField(true)->save($params);

                    // 同步处理规格列表
                    $this->syncSpecs($row->id, $this->request->post('specs/a', []));

                    Db::commit();
                } catch (ValidateException|PDOException|Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were updated'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }

        // 解析工项与增项配置以供视图回显
        $serviceTypes = [];
        if (!empty($row->service_types)) {
            $serviceTypes = is_array($row->service_types) ? $row->service_types : json_decode($row->service_types, true);
        }
        $addons = [];
        if (!empty($row->addons)) {
            $addons = is_array($row->addons) ? $row->addons : json_decode($row->addons, true);
        }

        // 获取已有规格
        $specs = Db::name('service_spec')
            ->where('service_id', $row->id)
            ->where('status', 'normal')
            ->order('weigh desc, id asc')
            ->select();

        $this->view->assign("row", $row);
        $this->view->assign("serviceTypes", $serviceTypes ?: []);
        $this->view->assign("assignedAddons", $addons ?: []);
        $this->view->assign("specs", $specs ?: []);
        return $this->view->fetch();
    }

    /**
     * 格式化工项与增项输入数据
     */
    protected function formatServiceConfig($params)
    {
        // 工项类型 JSON
        if (isset($params['service_types_raw'])) {
            $params['service_types'] = is_string($params['service_types_raw']) ? $params['service_types_raw'] : json_encode($params['service_types_raw'], JSON_UNESCAPED_UNICODE);
            unset($params['service_types_raw']);
        }
        // 增项服务 JSON
        if (isset($params['addons_raw'])) {
            $params['addons'] = is_string($params['addons_raw']) ? $params['addons_raw'] : json_encode($params['addons_raw'], JSON_UNESCAPED_UNICODE);
            unset($params['addons_raw']);
        }
        return $params;
    }

    /**
     * 同步商品规格表
     */
    protected function syncSpecs($serviceId, $specsInput)
    {
        if (empty($serviceId)) return;
        $now = time();
        $keepIds = [];
        if (!empty($specsInput) && is_array($specsInput)) {
            foreach ($specsInput as $item) {
                $name = trim(isset($item['name']) ? $item['name'] : '');
                if ($name === '') continue;
                $specPrice = isset($item['base_price']) ? (float)$item['base_price'] : 0.00;
                $specDesc = isset($item['description']) ? trim($item['description']) : '';
                $specId = isset($item['id']) ? (int)$item['id'] : 0;

                if ($specId > 0) {
                    Db::name('service_spec')->where('id', $specId)->where('service_id', $serviceId)->update([
                        'name'        => $name,
                        'base_price'  => $specPrice,
                        'description' => $specDesc,
                        'updatetime'  => $now,
                    ]);
                    $keepIds[] = $specId;
                } else {
                    $newId = Db::name('service_spec')->insertGetId([
                        'service_id'  => $serviceId,
                        'name'        => $name,
                        'base_price'  => $specPrice,
                        'description' => $specDesc,
                        'weigh'       => 0,
                        'status'      => 'normal',
                        'createtime'  => $now,
                        'updatetime'  => $now,
                    ]);
                    $keepIds[] = $newId;
                }
            }
        }
        // 将未在列表中的历史规格软下架或删除
        $delQuery = Db::name('service_spec')->where('service_id', $serviceId);
        if (!empty($keepIds)) {
            $delQuery->whereNotIn('id', $keepIds);
        }
        $delQuery->delete();
    }
}