<?php

namespace App\Components;

use Elasticsearch\ClientBuilder;

class EsNative {

    private $client;

    public function __construct(array $config) {
        $host = $config['host'];
        $port = $config['port'];
        $user = $config['user'];
        $pass = $config['pass'];

        $this->client = ClientBuilder::create()->setHosts([
            [
                'host' => $host,
                'port' => $port,
                'scheme' => 'http',
                'user' => $user,
                'pass' => $pass
            ]
        ])->setConnectionPool('\Elasticsearch\ConnectionPool\SimpleConnectionPool', [])
        ->setRetries(10)->build();
    }

    // -------------------------------- 索引操作

    /**
     * 创建索引
     * @param $params
     * @return array|string
     */
    public function createIdx($params) {
        try {
            $resp = $this->client->indices()->create($params);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    /**
     * 删除索引
     * @param $index
     * @return array|callable|string
     */
    public function deleteIdx($index) {
        $data = [
            'index' => $index
        ];
        try {
            $resp = $this->client->delete($data);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    // -------------------------------- 文档操作

    /**
     * 插入数据
     * @param $params
     * @return array|callable|string
     */
    public function addDoc($params) {
        try {
            $resp = $this->client->index($params);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    /**
     * 更新数据
     * @param $params
     * @return array|callable|string
     */
    public function updateDoc($params) {
        try {
            $resp = $this->client->update($params);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    /**
     * 删除数据
     * @param $params
     * @return array|callable|string
     */
    public function deleteDoc($params) {
        try {
            $resp = $this->client->delete($params);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    /**
     * 查询数据
     * @param $params
     * @return array|callable|string
     */
    public function searchDoc($params) {
        try {
            $resp = $this->client->search($params);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    /**
     * 批量操作
     * @param $data
     * @return array|callable|string
     */
    public function bulkDoc($data)
    {
        try {
            $resp = $this->client->bulk($data);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    /**
     * 计算多少条数
     * @param $params
     * @return array|callable|string
     */
    public function countDoc($params) {
        try {
            $resp = $this->client->count($params);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }

    // -------------------------------- 其他

    /**
     * 添加别名
     * @param $params
     * @return array|string
     */
    public function addAlias($params)
    {
        try {
            $resp = $this->client->indices()->updateAliases($params);
        } catch (\Exception $e) {
            $resp = $e->getMessage();
        }
        return $resp;
    }
}