<?php

namespace App\Http\Admin;

use App\Http\Admin\Requests\AssembleForm;
use Txj\Elastic\Table\Assemble;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;

class AssembleController extends AdminBaseController
{
    public function __construct()
    {
        parent::__construct();

        if (PHP_SAPI != 'cli') {
            $this->setWebsite(__NAMESPACE__);
            $this->isLoginJson();
        }
    }

    /**
     * 集合列表
     */
    public function showList(Request $request)
    {
        $currentPage = $request->post('page', 1);
        $size = $request->post('size', 20);
        $title = $request->post('title');

        $find = DB::table('sys_assemble');
        $find->where('is_delete', 0);
        $find->orderBy('id', 'desc');
        if ($title) {
            // 转义特殊字符
            $title = str_replace("_", "\_", $title);
            $title = str_replace("*", "\*", $title);

            $find->where('title', 'like', '%' . $title . '%');
            $find->orWhere('schema', 'like', '%' . $title . '%');
        }
//        dd($find->toSql());
        $total = $find->count();
        $list = $find->offset(($currentPage - 1) * $size)->limit($size)->get();

        return responseMessage(1002, 'success', ['list' => $list, 'total' => $total]);
    }

    public function info(Request $request)
    {
        $mid = $request->post('mid');
        if (empty($mid)) {
            return responseMessage(2001, '参数错误！');
        }

        $info = DB::table('sys_assemble')->where('mid', $mid)->first();
        if ($info) {
            return responseMessage(1002, '', get_object_vars($info));

        } else {
            return responseMessage(2001, '数据不存在，请重试！');
        }
    }

    /**
     * 通过id获取信息
     * @param Request $request
     * @return JsonResponse
     */
    public function infoById(Request $request)
    {
        $id = $request->post('id');
        if (empty($id)) {
            return responseMessage(2001, '参数错误！');
        }

        $info = DB::table('sys_assemble')->find($id);
        if ($info) {
            return responseMessage(1002, '', $info);

        } else {
            return responseMessage(2001, '数据不存在，请重试！');
        }
    }

    /**
     * @param AssembleForm $request
     * @return JsonResponse
     */
    public function save(AssembleForm $request)
    {
        $isUpdate = false;
        $table = 'sys_assemble';
        $schema = strtolower($request->post('schema'));

        $data = [
            'title' => $request->post('title'),
            'schema' => $schema,
            'connect_db_id' => $request->post('connect_db_id'),
            'remark' => $request->post('remark'),
            'updated_at' => time()
        ];
        if ($id = $request->post('id')) {
            // 获取信息
            $info = DB::table($table)->find($id);
            if ($info) {
                if ($info->schema != $schema) {
                    $isUpdate = true;
                }

                $isSuccess = DB::table($table)->where('id', $id)->update($data);
            } else {
                return responseMessage(2001, '数据不存在，请重试！');
            }
        } else {
            // 判断名称是否唯一
            $isExist = DB::table($table)->where('schema', $schema)->count();
            if ($isExist) {
                return responseMessage(2002, '该集合名称已经存在！');
            }

            $data['mid'] = getRandNumber();
            $data['created_at'] = time();
            $isSuccess = DB::table($table)->insertGetId($data);
        }

        // 清除旧索引的缓存
        $assemble = new Assemble($schema);
        $assemble->clearColumnsCache();

        if ($isSuccess) {
            if ($isUpdate) {
                // 其他扩展表的表名，也需要修改
                $columnList = DB::table('sys_assemble_column')->where('assemble_id', $id)->get();
                foreach ($columnList as $row) {
                    $table = preg_replace('/^' . $info->schema . '/', $data['schema'], $row->table);
                    DB::table('sys_assemble_column')->where('id', $row->id)->update(['table' => $table]);
                }

                $tableArr = array_map('get_object_vars', $columnList->toArray());
                $tableArr = array_column($tableArr, 'table');
                $tableArr = array_unique($tableArr);
                foreach ($tableArr as $row) {
                    $table = preg_replace('/^' . $info->schema . '/', $data['schema'], $row);
                    Schema::rename($row, $table);
                }
            } else {
                if (!Schema::hasTable($data['schema'])) {
                    Schema::create($data['schema'], function (Blueprint $table) {
                        $table->id('id')->comment('编号');
                        $table->string('mid', 16)->comment('唯一标识符'); // 随机
                        $table->decimal('weight')->default(0)->comment('排序，权重');
                        $table->tinyInteger('is_delete')->unsigned()->default(0)->comment('是否删除 1 删除');
                        $table->unsignedBigInteger('created_at', false)->unsigned()->comment('创建时间，时间戳');
                        $table->unsignedBigInteger('updated_at', false)->unsigned()->comment('更新时间，时间戳');
                    });

                    // 插入默认的系统字段
                    $this->initData($isSuccess);
                }
            }

            return responseMessage(1001, '操作成功！');
        } else {
            return responseMessage(2001, '操作失败！');
        }
    }

    /**
     * 保存es索引信息
     *
     * @param Request $request
     * @return JsonResponse
     */
    public function saveEsIndex(Request $request)
    {
        $esIndex = $request->post('es_index');
        $id = $request->post('id');

        if (empty($id)) {
            return responseMessage(2001, '参数错误！');
        }
        if (empty($esIndex)) {
            return responseMessage(2002, '参数错误！');
        }

        $existInfo = DB::table('sys_assemble')->find($id);
        if (empty($existInfo)) {
            return responseMessage(2003, '参数错误！');
        }

        // 清除旧索引的缓存
        $assemble = new Assemble($existInfo->schema);
        $assemble->clearColumnsCache();

        $info = DB::table('sys_assemble')->where('id', $id)->update(['es_index' => $esIndex, 'updated_at' => time()]);
        if ($info) {

            return responseMessage(1001, '保存成功！');

        } else {
            return responseMessage(2001, '数据不存在，请重试！');
        }
    }

    /**
     * 删除集合
     */
    public function deleteItem()
    {
        $id = $this->requestData['id'] ?? '';
        if (empty($id)) {
            return responseMessage(2001, '参数错误！');
        }

        return $this->fakeDeleteData('sys_assemble', [['id', '=', $id]]);
    }

    private function initData(int $assembleId)
    {
        $data = [
            [
                'mid' => getRandNumber(12),
                'assemble_id' => $assembleId,
                'title' => '编号',
                'code' => 'id',
                'type' => 'uBigint',
                'length' => 20,
                'decimal' => 0,
                'is_null' => 0, //是否可以为空 1是 0否
                'is_unsigned' => 1, //是否为无符号类型 1是 0否
                'default' => '',
                'remark' => '',
                'weight' => 0,
                'is_delete' => 0,
                'created_at' => time(),
                'updated_at' => time(),
            ],
            [
                'mid' => getRandNumber(12),
                'assemble_id' => $assembleId,
                'title' => '唯一标识符',
                'code' => 'mid',
                'type' => 'varchar',
                'length' => 255,
                'decimal' => 0,
                'is_null' => 0, //是否可以为空 1是 0否
                'is_unsigned' => 0, //是否为无符号类型 1是 0否
                'default' => '',
                'remark' => '',
                'weight' => 0,
                'is_delete' => 0,
                'created_at' => time(),
                'updated_at' => time(),
            ],
            [
                'mid' => getRandNumber(12),
                'assemble_id' => $assembleId,
                'title' => '权重',
                'code' => 'weight',
                'type' => 'decimal',
                'length' => 8,
                'decimal' => 2,
                'is_null' => 0, //是否可以为空 1是 0否
                'is_unsigned' => 1, //是否为无符号类型 1是 0否
                'default' => 0,
                'remark' => '',
                'weight' => 0,
                'is_delete' => 0,
                'created_at' => time(),
                'updated_at' => time(),
            ],
            [
                'mid' => getRandNumber(12),
                'assemble_id' => $assembleId,
                'title' => '是否删除',
                'code' => 'is_delete',
                'type' => 'tinyint',
                'length' => 3,
                'decimal' => 0,
                'is_null' => 0, //是否可以为空 1是 0否
                'is_unsigned' => 1, //是否为无符号类型 1是 0否
                'default' => 0,
                'remark' => '',
                'weight' => 0,
                'is_delete' => 0,
                'created_at' => time(),
                'updated_at' => time(),
            ],
            [
                'mid' => getRandNumber(12),
                'assemble_id' => $assembleId,
                'title' => '添加时间',
                'code' => 'created_at',
                'type' => 'date_es',
                'length' => 10,
                'decimal' => 0,
                'is_null' => 0, //是否可以为空 1是 0否
                'is_unsigned' => 1, //是否为无符号类型 1是 0否
                'default' => '',
                'remark' => '',
                'weight' => 0,
                'is_delete' => 0,
                'created_at' => time(),
                'updated_at' => time(),
            ],
            [
                'mid' => getRandNumber(12),
                'assemble_id' => $assembleId,
                'title' => '修改时间',
                'code' => 'updated_at',
                'type' => 'date_es',
                'length' => 10,
                'decimal' => 0,
                'is_null' => 0, //是否可以为空 1是 0否
                'is_unsigned' => 1, //是否为无符号类型 1是 0否
                'default' => '',
                'remark' => '',
                'weight' => 0,
                'is_delete' => 0,
                'created_at' => time(),
                'updated_at' => time(),
            ],
        ];

        DB::table('sys_assemble_column')->insert($data);
    }
}