<?php

namespace app\cunkebao\controller\wechat;

use app\common\model\Device as DeviceModel;
use app\common\model\DeviceUser as DeviceUserModel;
use app\common\model\DeviceWechatLogin as DeviceWechatLoginModel;
use app\common\model\User as UserModel;
use app\cunkebao\controller\BaseController;
use library\ResponseHelper;
use think\Db;

/**
 * 查看微信朋友圈列表（仅限当前操盘手可访问的微信）
 */
class GetWechatMomentsV1Controller extends BaseController
{
    /**
     * 主操盘手获取项目下所有设备ID
     *
     * @return array
     */
    protected function getCompanyDevicesId(): array
    {
        return DeviceModel::where('companyId', $this->getUserInfo('companyId'))
            ->column('id');
    }

    /**
     * 非主操盘手仅可查看分配到的设备
     *
     * @return array
     */
    protected function getUserDevicesId(): array
    {
        return DeviceUserModel::where([
            'userId'    => $this->getUserInfo('id'),
            'companyId' => $this->getUserInfo('companyId'),
        ])->column('deviceId');
    }

    /**
     * 获取当前用户可访问的设备ID
     *
     * @return array
     */
    protected function getDevicesId(): array
    {
        return ($this->getUserInfo('isAdmin') == UserModel::ADMIN_STP)
            ? $this->getCompanyDevicesId()
            : $this->getUserDevicesId();
    }

    /**
     * 获取用户可访问的微信ID集合
     *
     * @return array
     * @throws \Exception
     */
    protected function getAccessibleWechatIds(): array
    {
        $deviceIds = $this->getDevicesId();
        if (empty($deviceIds)) {
            throw new \Exception('暂无可用设备', 200);
        }

        return DeviceWechatLoginModel::distinct(true)
            ->where('companyId', $this->getUserInfo('companyId'))
            ->whereIn('deviceId', $deviceIds)
            ->column('wechatId');
    }

    /**
     * 查看朋友圈列表
     *
     * @return \think\response\Json
     */
    public function index()
    {
        try {
            $wechatId = $this->request->param('wechatId/s', '');
            if (empty($wechatId)) {
                return ResponseHelper::error('wechatId不能为空');
            }

            // 权限校验：只能查看当前账号可访问的微信
            $accessibleWechatIds = $this->getAccessibleWechatIds();
            if (!in_array($wechatId, $accessibleWechatIds, true)) {
                return ResponseHelper::error('无权查看该微信的朋友圈', 403);
            }

            // 获取对应的微信账号ID
            $accountId = Db::table('s2_wechat_account')
                ->where('wechatId', $wechatId)
                ->value('id');

            if (empty($accountId)) {
                return ResponseHelper::error('微信账号不存在或尚未同步', 404);
            }

            $query = Db::table('s2_wechat_moments')
                ->where('wechatAccountId', $accountId);

            // 关键词搜索
            if ($keyword = trim((string)$this->request->param('keyword', ''))) {
                $query->whereLike('content', '%' . $keyword . '%');
            }

            // 类型筛选
            $type = $this->request->param('type', '');
            if ($type !== '' && $type !== null) {
                $query->where('type', (int)$type);
            }

            // 时间筛选
            $startTime = $this->request->param('startTime', '');
            $endTime = $this->request->param('endTime', '');
            if ($startTime || $endTime) {
                $start = $startTime ? strtotime($startTime) : 0;
                $end = $endTime ? strtotime($endTime) : time();
                if ($start && $end && $end < $start) {
                    return ResponseHelper::error('结束时间不能早于开始时间');
                }
                $query->whereBetween('createTime', [$start ?: 0, $end ?: time()]);
            }

            $page = (int)$this->request->param('page', 1);
            $limit = (int)$this->request->param('limit', 10);

            $paginator = $query->order('createTime', 'desc')
                ->paginate($limit, false, ['page' => $page]);

            $list = array_map(function ($item) {
                return $this->formatMomentRow($item);
            }, $paginator->items());

            return ResponseHelper::success([
                'list'  => $list,
                'total' => $paginator->total(),
                'page'  => $page,
                'limit' => $limit,
            ]);
        } catch (\Exception $e) {
            return ResponseHelper::error($e->getMessage(), $e->getCode() ?: 500);
        }
    }

    /**
     * 格式化朋友圈数据
     *
     * @param array $row
     * @return array
     */
    protected function formatMomentRow(array $row): array
    {
        $formatTime = function ($timestamp) {
            if (empty($timestamp)) {
                return '';
            }
            return is_numeric($timestamp)
                ? date('Y-m-d H:i:s', $timestamp)
                : date('Y-m-d H:i:s', strtotime($timestamp));
        };

        return [
            'id'            => (int)$row['id'],
            'snsId'         => $row['snsId'] ?? '',
            'type'          => (int)($row['type'] ?? 0),
            'content'       => $row['content'] ?? '',
            'commentList'   => $this->decodeJson($row['commentList'] ?? null),
            'likeList'      => $this->decodeJson($row['likeList'] ?? null),
            'resUrls'       => $this->decodeJson($row['resUrls'] ?? null),
            'createTime'    => $formatTime($row['createTime'] ?? null),
            'momentEntity'  => [
                'lat'       => $row['lat'] ?? 0,
                'lng'       => $row['lng'] ?? 0,
                'location'  => $row['location'] ?? '',
                'picSize'   => $row['picSize'] ?? 0,
                'userName'  => $row['userName'] ?? '',
            ],
        ];
    }

    /**
     * JSON字段解析
     *
     * @param mixed $value
     * @return array
     */
    protected function decodeJson($value): array
    {
        if (empty($value)) {
            return [];
        }

        if (is_array($value)) {
            return $value;
        }

        $decoded = json_decode($value, true);
        return $decoded ?: [];
    }
}