<?php

namespace app\admin\controller;

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

/**
 * 商品管理（商品仅定义施工标的物与细分规格，服务价格统一配置在关联的主服务与增项服务上）
 *
 * @icon fa fa-cubes
 */
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("statusList", $this->model->getStatusList());

        // 获取统一服务字典表（fa_service_type，不绑定单一类目，主服务与增项服务同源）
        $typesPool = Db::name('service_type')
            ->where('status', 'normal')
            ->order('weigh desc, id asc')
            ->select();
        $this->view->assign("typesPool", $typesPool);
    }

    public function index()
    {
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            $cats = Db::name('service_cat')
                ->where('status', 'normal')
                ->order('weigh desc, id asc')
                ->select();
            $this->view->assign('catList', $cats);
            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);

        $rows = $list->items();
        if (!empty($rows)) {
            $serviceIds = [];
            foreach ($rows as $r) {
                $serviceIds[] = (int)$r['id'];
            }
            // 一次性批量查询当前页商品的细分规格，避免 N+1 查询
            $allSpecs = Db::name('service_spec')
                ->field('id,service_id,name,base_price,description')
                ->where('service_id', 'in', $serviceIds)
                ->where('status', 'normal')
                ->order('weigh desc, id asc')
                ->select();
            $specMap = [];
            foreach ($allSpecs as $sp) {
                $sid = (int)$sp['service_id'];
                if (!isset($specMap[$sid])) {
                    $specMap[$sid] = [];
                }
                $spPrice = (float)$sp['base_price'];
                $specMap[$sid][] = $spPrice > 0 ? ($sp['name'] . '(¥' . round($spPrice) . ')') : $sp['name'];
            }
            foreach ($rows as &$r) {
                $sid = (int)$r['id'];
                $r['specs_list'] = isset($specMap[$sid]) ? $specMap[$sid] : [];

                // 直接在服务端解析为数组返回，防止前端 bootstrap-table escape:true 将 JSON 双引号转义为 &quot; 导致解析失败
                $stArr = [];
                if (!empty($r['service_types'])) {
                    $stArr = is_array($r['service_types']) ? $r['service_types'] : (json_decode($r['service_types'], true) ?: []);
                }
                $adArr = [];
                if (!empty($r['addons'])) {
                    $adArr = is_array($r['addons']) ? $r['addons'] : (json_decode($r['addons'], true) ?: []);
                }
                $r['service_types_list'] = $stArr;
                $r['addons_list'] = $adArr;
            }
            unset($r);
        }

        $result = ['total' => $list->total(), 'rows' => $rows];
        return json($result);
    }

    /**
     * 添加商品并配置关联服务定价
     */
    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;
                }

                $params = $this->formatServiceConfig($params);

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

                    // 处理商品规格列表
                    $this->syncSpecs($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();
    }

    /**
     * 编辑商品与关联服务定价
     */
    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);
                $params = $this->formatServiceConfig($params);

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

                    // 同步处理商品规格列表
                    $this->syncSpecs($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', ''));
        }

        // 解析当前商品已关联的主服务与增项服务配置
        $serviceTypes = [];
        if (!empty($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);
        }

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

        $catName = Db::name('service_cat')->where('id', $row->cat_id)->value('name') ?: '未归类';

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

    /**
     * 格式化商品关联的主服务与增项服务 JSON，并自动提取默认主服务价格用于底层索引兼容
     */
    protected function formatServiceConfig($params)
    {
        $parsedTypes = [];
        if (isset($params['service_types_raw'])) {
            if (is_string($params['service_types_raw'])) {
                $parsedTypes = json_decode($params['service_types_raw'], true) ?: [];
            } else {
                $parsedTypes = is_array($params['service_types_raw']) ? $params['service_types_raw'] : [];
            }
            unset($params['service_types_raw']);

            if (empty($parsedTypes)) {
                throw new ValidateException('请至少开启 1 项主服务');
            }

            $dictSupportMap = Db::name('service_type')->column('support_fixed', 'code');
            $hasDefault = false;
            foreach ($parsedTypes as &$pt) {
                $code = isset($pt['code']) ? (string)$pt['code'] : '';
                $supportFixed = isset($dictSupportMap[$code])
                    ? (int)$dictSupportMap[$code]
                    : (isset($pt['support_fixed']) ? (int)$pt['support_fixed'] : 1);
                $price = ($supportFixed === 1 && isset($pt['price'])) ? round((float)$pt['price'], 2) : 0.00;
                $pt['price'] = $price;
                $pt['support_fixed'] = $supportFixed;
                if ($supportFixed === 1 && !empty($pt['is_default']) && !$hasDefault) {
                    $pt['is_default'] = 1;
                    $hasDefault = true;
                } else {
                    $pt['is_default'] = 0;
                }
            }
            unset($pt);

            if (!$hasDefault && !empty($parsedTypes)) {
                foreach ($parsedTypes as &$ptDef) {
                    if ((int)$ptDef['support_fixed'] === 1) {
                        $ptDef['is_default'] = 1;
                        $hasDefault = true;
                        break;
                    }
                }
                unset($ptDef);
                if (!$hasDefault) {
                    $parsedTypes[0]['is_default'] = 1;
                }
            }

            $params['service_types'] = json_encode(array_values($parsedTypes), JSON_UNESCAPED_UNICODE);
        }

        if (isset($params['addons_raw'])) {
            $parsedAddons = is_string($params['addons_raw'])
                ? (json_decode($params['addons_raw'], true) ?: [])
                : (is_array($params['addons_raw']) ? $params['addons_raw'] : []);
            unset($params['addons_raw']);
            $cleanAddons = [];
            foreach ($parsedAddons as $idx => $ad) {
                $adName = isset($ad['name']) ? trim((string)$ad['name']) : '';
                $adPrice = isset($ad['price']) ? round((float)$ad['price'], 2) : 0.00;
                if ($adName === '' || $adPrice <= 0) {
                    continue;
                }
                $cleanAddons[] = [
                    'id'    => isset($ad['id']) ? (int)$ad['id'] : ($idx + 1),
                    'code'  => isset($ad['code']) ? (string)$ad['code'] : ('addon_' . ($idx + 1)),
                    'name'  => $adName,
                    'unit'  => !empty($ad['unit']) ? (string)$ad['unit'] : '份',
                    'price' => $adPrice,
                ];
            }
            $params['addons'] = json_encode($cleanAddons, JSON_UNESCAPED_UNICODE);
        }

        // 自动从关联的主服务（优先默认首选主服务）同步底层 base_price 与 price_type
        if (!empty($parsedTypes)) {
            $defItem = $parsedTypes[0];
            foreach ($parsedTypes as $pt) {
                if (!empty($pt['is_default'])) {
                    $defItem = $pt;
                    break;
                }
            }
            $supportFixed = isset($defItem['support_fixed']) ? (int)$defItem['support_fixed'] : 1;
            $params['price_type'] = $supportFixed === 1 ? 'fixed' : 'quote';
            $params['base_price'] = $supportFixed === 1 ? (float)$defItem['price'] : 0.00;
        }

        return $params;
    }

    /**
     * 同步商品规格型号表（支持特殊规格单独设价覆盖，留空或0则沿用商品默认服务价）
     */
    protected function syncSpecs($serviceId, $specsInput)
    {
        if (empty($serviceId)) return;
        $now = time();
        $keepIds = [];
        if (!empty($specsInput) && is_array($specsInput)) {
            $idx = 0;
            foreach ($specsInput as $item) {
                $name = trim(isset($item['name']) ? $item['name'] : '');
                if ($name === '') continue;
                $specDesc = isset($item['description']) ? trim($item['description']) : '';
                $specPrice = (isset($item['base_price']) && is_numeric($item['base_price']) && (float)$item['base_price'] > 0)
                    ? round((float)$item['base_price'], 2)
                    : 0.00;
                $specId = isset($item['id']) ? (int)$item['id'] : 0;
                $weigh = max(0, 100 - $idx * 5);
                $idx++;

                if ($specId > 0) {
                    Db::name('service_spec')->where('id', $specId)->where('service_id', $serviceId)->update([
                        'name'        => $name,
                        'base_price'  => $specPrice,
                        'description' => $specDesc,
                        'weigh'       => $weigh,
                        'updatetime'  => $now,
                    ]);
                    $keepIds[] = $specId;
                } else {
                    $newId = Db::name('service_spec')->insertGetId([
                        'service_id'  => $serviceId,
                        'name'        => $name,
                        'base_price'  => $specPrice,
                        'description' => $specDesc,
                        'weigh'       => $weigh,
                        'status'      => 'normal',
                        'createtime'  => $now,
                        'updatetime'  => $now,
                    ]);
                    $keepIds[] = $newId;
                }
            }
        }
        $delQuery = Db::name('service_spec')->where('service_id', $serviceId);
        if (!empty($keepIds)) {
            $delQuery->whereNotIn('id', $keepIds);
        }
        $delQuery->delete();
    }
}