<?php

namespace app\admin\controller;

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

/**
 * 服务评价治理
 *
 * 评价由完工业主真实提交，后台负责内容合规审核与违规屏蔽（联动晒单广场）
 *
 * @icon fa fa-comments-o
 */
class Review extends Backend
{
    /**
     * Review模型对象
     * @var \app\admin\model\Review
     */
    protected $model = null;

    protected $relationSearch = true;
    protected $searchFields = 'id,content,tags,order.order_no,user.nickname,master.realname';

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

    /**
     * 评价列表
     */
    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 = $this->model
            ->with(['user', 'master', 'order'])
            ->where($where)
            ->order($sort, $order)
            ->paginate($limit);
        $result = ['total' => $list->total(), 'rows' => $list->items()];
        return json($result);
    }

    /**
     * 评价全景详情（关联订单、雇主、师傅及晒单状态）
     */
    public function detail($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        $this->assignReviewContext($row);
        return $this->view->fetch();
    }

    /**
     * 评价合规治理（保护业主原始评分与图文只读，仅变更展示状态与回复，并联动晒单表）
     */
    public function edit($ids = null)
    {
        $row = $this->model->get($ids);
        if (!$row) {
            $this->error(__('No Results were found'));
        }
        if (false === $this->request->isPost()) {
            $this->assignReviewContext($row);
            return $this->view->fetch();
        }

        $params = $this->request->post('row/a', []);
        $status = (string)($params['status'] ?? $row['status']);
        $reply  = trim((string)($params['reply'] ?? $row['reply']));

        if (!in_array($status, ['normal', 'hidden'], true)) {
            $this->error('评价状态参数不合法');
        }

        Db::startTrans();
        try {
            $row->allowField(['status', 'reply'])->save([
                'status' => $status,
                'reply'  => mb_substr($reply, 0, 500),
            ]);

            // 若屏蔽违规评价，同步下架该工单关联的业主晒单，防止首页继续曝光
            if ($status === 'hidden' && (int)$row['order_id'] > 0) {
                Db::name('showcase')->where('order_id', (int)$row['order_id'])->update([
                    'status'     => 'hidden',
                    'updatetime' => time(),
                ]);
            }

            // 重算对应师傅综合评分
            if ((int)$row['master_id'] > 0) {
                $this->recalcMasterScore((int)$row['master_id']);
            }

            Db::commit();
        } catch (PDOException|\Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        $this->success();
    }

    /**
     * 批量显隐同步联动晒单表并重算师傅评分
     */
    public function multi($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__('Invalid parameters'));
        }
        $ids = $ids ?: $this->request->post('ids');
        $params = (string)$this->request->post('params');
        if (empty($ids) || $params === '') {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        parse_str($params, $values);
        $status = $values['status'] ?? null;
        if (!in_array($status, ['normal', 'hidden'], true)) {
            $this->error('仅支持批量切换显示或隐藏状态');
        }

        $idArr = array_values(array_filter(array_map('intval', explode(',', (string)$ids))));
        if (!$idArr) {
            $this->error(__('No rows were updated'));
        }

        $affectedReviews = Db::name('review')->where('id', 'in', $idArr)->field('id,order_id,master_id')->select();

        Db::startTrans();
        try {
            Db::name('review')->where('id', 'in', $idArr)->update(['status' => $status]);
            if ($status === 'hidden') {
                $orderIds = array_values(array_filter(array_map('intval', array_column($affectedReviews, 'order_id'))));
                if ($orderIds) {
                    Db::name('showcase')->where('order_id', 'in', $orderIds)->update([
                        'status'     => 'hidden',
                        'updatetime' => time(),
                    ]);
                }
            }
            $masterIds = array_values(array_unique(array_filter(array_map('intval', array_column($affectedReviews, 'master_id')))));
            foreach ($masterIds as $mid) {
                $this->recalcMasterScore($mid);
            }
            Db::commit();
        } catch (PDOException|\Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        $this->success();
    }

    /**
     * 真实履约评价禁止后台手工伪造（刷单防御）
     */
    public function add()
    {
        $this->error('服务评价仅支持完工业主真实提交，后台不可手动新增');
    }

    /**
     * 删除违规评价（同步隐藏关联晒单并重算对应师傅综合评分）
     */
    public function del($ids = null)
    {
        if (false === $this->request->isPost()) {
            $this->error(__('Invalid parameters'));
        }
        $ids = $ids ?: $this->request->post('ids');
        $idArr = array_values(array_filter(array_map('intval', explode(',', (string)$ids))));
        if (!$idArr) {
            $this->error(__('Parameter %s can not be empty', 'ids'));
        }
        $rows = Db::name('review')->where('id', 'in', $idArr)->field('id,order_id,master_id')->select();
        if (!$rows) {
            $this->error(__('No Results were found'));
        }

        Db::startTrans();
        try {
            $orderIds  = array_values(array_unique(array_filter(array_map('intval', array_column($rows, 'order_id')))));
            $masterIds = array_values(array_unique(array_filter(array_map('intval', array_column($rows, 'master_id')))));

            Db::name('review')->where('id', 'in', $idArr)->delete();

            if ($orderIds) {
                Db::name('showcase')->where('order_id', 'in', $orderIds)->update([
                    'status'     => 'hidden',
                    'updatetime' => time(),
                ]);
            }
            foreach ($masterIds as $mid) {
                $this->recalcMasterScore($mid);
            }
            Db::commit();
        } catch (PDOException|\Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        $this->success();
    }

    /**
     * 重算师傅有效公开评价的平均分并同步至师傅档案
     */
    protected function recalcMasterScore($masterId)
    {
        $masterId = (int)$masterId;
        if ($masterId <= 0) {
            return;
        }
        $avg = Db::name('review')
            ->where('master_id', $masterId)
            ->where('status', 'normal')
            ->avg('score');
        $newScore = $avg !== null ? round((float)$avg, 2) : 5.00;
        Db::name('master')->where('id', $masterId)->update([
            'score'      => $newScore,
            'updatetime' => time(),
        ]);
    }

    /**
     * 解析标签字符串或 JSON 数组
     */
    protected function parseTags($raw)
    {
        $raw = trim((string)$raw);
        if ($raw === '') {
            return [];
        }
        if ($raw[0] === '[') {
            $arr = json_decode($raw, true);
            if (is_array($arr)) {
                return array_values(array_filter(array_map('trim', $arr)));
            }
        }
        return array_values(array_filter(array_map('trim', explode(',', $raw))));
    }

    /**
     * 组装评价关联数据
     */
    protected function assignReviewContext($row)
    {
        $order = (int)$row['order_id'] > 0 ? Db::name('order')->where('id', (int)$row['order_id'])->find() : null;
        $user = (int)$row['user_id'] > 0 ? Db::name('user')->where('id', (int)$row['user_id'])->field('id,nickname,username,mobile,avatar')->find() : null;
        $master = (int)$row['master_id'] > 0 ? Db::name('master')->where('id', (int)$row['master_id'])->field('id,realname,mobile,score,order_count')->find() : null;
        $showcase = (int)$row['order_id'] > 0 ? Db::name('showcase')->where('order_id', (int)$row['order_id'])->find() : null;

        $reviewTags = $this->parseTags($row['tags']);
        $reviewImages = array_values(array_filter(array_map('trim', explode(',', (string)$row['images']))));

        $this->view->assign([
            'row'          => $row,
            'order'        => $order ?: [],
            'user'         => $user ?: [],
            'master'       => $master ?: [],
            'showcase'     => $showcase ?: [],
            'reviewTags'   => $reviewTags,
            'reviewImages' => $reviewImages,
        ]);
    }
}