<?php

declare(strict_types=1);

namespace App\Controllers\Api\Nasa\V1\Base;

//use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use InvalidArgumentException;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\Facades\DB;
use Slim\Http\Response;
//use Slim\Http\ServerRequest;
use Slim\Http\ServerRequest as Request;

abstract class ListController
{
    private string $sOperatorDefault = 'eq';
    private string $sSortDefault = 'asc';
    
    private array $aFilterParams = [
        'c' => [],
        'cc' => [],
        'ob' => [],
    ];
    
    protected $oModel;
    protected string $sPageName = '';
    protected string $sModelName = '';
    protected array $aFilterFields = []; // 允许where的字段
//    protected array $aArticleFields = []; // 文章字段
    protected array $aFieldTypes = [];
    protected array $aValueFields = [];
    protected array $aLenthFields = []; // 限制长度的字段
    protected array $aSelectFields = []; // 默认作为select的字段
    protected array $aListFields = []; // list展示的字段和名字映射
    protected array $aDateFields = []; // date字段
    protected array $aJsonFields = []; // json字段
    protected array $aValueStyle = []; // 特定文字渲染样式
    protected int $iLimitMax = 300; // 默认limit限制
    protected int $iLimit = 30; // 默认显示行数
    protected array $aCcExtFields = []; // 自定义条件字段追加在listFields后
    protected array $aCcFields = [];
    protected int $iOrderByMax = 3;
    protected array $aOrderBy = [
        [
            "sField"    => "id",
            "sSort"     => "desc"
        ]
    ];
    
    public function __construct()
    {
        if ($this->sModelName) {
            $sFullNamespace = "App\Models\\{$this->sModelName}";
            if (! class_exists($sFullNamespace)) {
                throw new InvalidArgumentException("【系统架构错误】: 找不到领域模型 {$sFullNamespace}");
            }

            $this->oModel = new $sFullNamespace();
            $this->aCcFields = array_merge($this->aListFields, $this->aCcExtFields);
        }
    }
    
    public function getMapAll()
    {
        $a = [];
        if (method_exists($this->oModel, 'getMapAll')) {
            $a = $this->oModel->getMapAll();
        }
        
        $b = array_merge($a, $this->aValueFields);
        
        return $b;
    }
    
    public function index(Request $oRequest, Response $oResponse, $args)
    {
        if (! $this->oModel) {
            return $oResponse->withJson(['code' => 500, 'msg' => '未绑定核心领域模型'], 500);
        }

        $oQuery = $this->oModel->newQuery();
        
        $aParams = $oRequest->getParams();
        $iLimit = $aParams['limit'] ?? $this->iLimit;
        $iPage = $aParams['page'] ?? 1;

        foreach ($aParams as $k => $v) {
            
            if (!empty($this->aFilterFields)) {
                if (!in_array($k, $this->aFilterFields)) {
                     continue;
                }
            }
            
            // w__name__eq=1
            $aK = explode("__", $k);
            $sType = $aK[0] ?? '';
            $sField = $aK[1] ?? '';
            $sOperator = $aK[2] ?? $this->sOperatorDefault;
            $sSqlOperator = $this->mapOperator($sOperator);

            if (!isset($this->aFilterParams[$sType])) {
                continue;
            }

            if (!$sType || !$sField) {
                continue;
            }
            
            $this->aFilterParams[$k] = $v;
            
            if ($sType === 'ob') {
                $this->aFilterParams[$sType][] = [
                    'sField'    => $sField,
                    'sSort'     => $v ?? $this->sSortDefault
                ];
                continue;
            }
            
            if ($sType === 'c') { // 预制条件，字典式
                $this->aFilterParams[$sType][$sField] = [
                    'sOperator' => $sOperator,
                    'sValue'    => $v
                ];
            }
            
            if ($sType === 'cc') { // 自定义条件，集合式
                $this->aFilterParams[$sType][] = [
                    'sField'    => $sField,
                    'sOperator' => $sOperator,
                    'sValue'    => $v
                ];
            }
            
            if (blank($v)) continue; // 空v可以back但不加入sql查询
            
            $sSqlValue = $v;
            if ($sSqlOperator === 'like') {
                $sSqlValue = "%{$v}%";
            }
            
            if (in_array($sField, $this->aDateFields)) {
                $oQuery->whereDate($sField, $sSqlOperator, $sSqlValue);
            } else {
                $oQuery->where($sField, $sSqlOperator, $sSqlValue);
            }
            
        }
        

        $iLimit = max(1, $iLimit);
        $iLimit = min($this->iLimitMax, $iLimit);

        if (!empty($this->aFilterParams['ob'])) {
            $this->aOrderBy = $this->aFilterParams['ob'];
        }

        foreach ($this->aOrderBy as $aOrderBy) {
            $oQuery->orderBy($aOrderBy['sField'], $aOrderBy['sSort']);
        }
        
//        $oPaginatedData = $oQuery->paginate($iLimit, array_keys($this->aListFields));
        $oPaginatedData = $oQuery->paginate(
            $iLimit,
            array_keys($this->aListFields),
            'page',
            $iPage
        );

        return $oResponse->withJson([
            'iCode' => 200,
            'aData' => [
                'cList' => $oPaginatedData->items(),
                'aListField' => $this->getListFields(),
                'aFieldTypes' => $this->aFieldTypes,
                'aMap' => $this->getMapAll(),
                'aValueStyle'   => $this->aValueStyle,
                'aSelectField' => $this->aSelectFields,
                'aFilterParam' => $this->aFilterParams,
                'aCcField' => $this->aCcFields,
                'sCcLast' => $this->getCcLast(),
                'sPageName' => $this->sPageName,
                'aPager' => [
                    'aOrderBySchema'=> $this->getOrderBySchema(),
                    'aOrderBy'      => $this->getOrderBy(),
                    'iTotal'        => $oPaginatedData->total(),
                    'iLimit'        => min($this->iLimitMax, $iLimit),
                    'iCurrentPage'  => $oPaginatedData->currentPage(),
                    'iLastPage'     => $oPaginatedData->lastPage(),
                    'iPerPage'      => $oPaginatedData->perPage(),
                    'iPrevPage'     => max(1, $oPaginatedData->currentPage() - 1),
                    'iNextPage'     => min($oPaginatedData->lastPage(), $oPaginatedData->currentPage() + 1)
                ]
            ]
        ], 200);
        
    }
    
    private function mapOperator($sOperator)
    {
        $sSqlOperator = match ($sOperator) {
            'like' => 'like',
            'eq'   => '=',
            'ne'   => '!=',
            'gt'   => '>',
            'gte'  => '>=',
            'lt'   => '<',
            'lte'  => '<=',
            default => '',
        };
        
        return $sSqlOperator;
    }
    
    private function getOrderBySchema()
    {
        $iOrderByCount = count($this->aOrderBy);
        $iDiff = $this->iOrderByMax - $iOrderByCount;
        $a = $this->aOrderBy;
        for ($i=0; $i<$iDiff; $i++) {
            $a[] = [];
        }
        return $a;
    }
    
    private function getOrderBy()
    {
        return $this->aOrderBy;
    }
    
    public function getListFields()
    {
        $a = [];
        
        foreach ($this->aListFields as $k => $v) {
            if ($v) {
                $a[$k] = $v;
            } else {
                $a[$k] = $k;
            }
        }
        
        return $a;
    }
    
    private function getCcLast()
    {
        $aCcFieldsTmp = $this->aCcFields;
        
        foreach ($this->aFilterParams['cc'] as $ACC) {
            unset($aCcFieldsTmp[$ACC['sField']]);
        }
        
        $s = head(array_keys($aCcFieldsTmp));
        
        return $s;
    }
    
    public function add(Request $oRequest, Response $oResponse, $args)
    {
        // 1. 获取表名
        $sTableName = $this->oModel->getTable();
        
        // 2. 修复 500 报错：改用连接对象的 Schema 构建器，彻底解耦门面
        // 变量命名：oSchemaBuilder (Schema构建器对象) -> 【欧 斯基玛 标德儿】
        $oSchemaBuilder = $this->oModel->getConnection()->getSchemaBuilder();
        $aRawFields = $oSchemaBuilder->getColumnListing($sTableName);

        // 3. 大厂正统手法：利用模型原生方法安全获取时间戳字段名（自动处理关闭时间戳的情况）
        // 变量命名：aKickFields (要剔除的字段数组) -> 【诶 踢客 费尔茨】
        $aKickFields = ['id'];
        
        if ($this->oModel->timestamps) {
            $aKickFields[] = $this->oModel->getCreatedAtColumn();
            $aKickFields[] = $this->oModel->getUpdatedAtColumn();
        }

        // 4. 高效数组过滤：干掉 foreach，改用内置函数完成差集计算
        // 变量命名：aCleanFields (干净的字段数组) -> 【诶 克林 费尔茨】
        $aCleanFields = array_values(array_diff($aRawFields, $aKickFields));

        // 5. 标准响应返回
        return $oResponse->withJson([
            'iCode' => 200,
            'aData' => [
                'cList'     => $aCleanFields, // 保持你原有的前端 Key 兼容
                'sPageName' => $this->sPageName
            ]
        ], 200);
    }
    
    public function clone(Request $oRequest, Response $oResponse, $args)
    {
        // 1. 安全获取参数并查询
        $iId = $args['id'] ?? 0;
        // 确保使用 findOrFail，找不到直接抛出 404 异常（由框架底层捕获）
        $oModelResult = $this->oModel->findOrFail($iId);
        
        // 2. 匈牙利命名法修正：获取原始属性数组
        // 变量命名：aRowAttributes (行属性数组) -> 【诶 柔 艾特里比茨】
        $aRowAttributes = $oModelResult->getRawOriginal();
        
        // 3. 修复 500 报错：抛弃 DB 门面，改用解耦的实例调用
        // 变量命名：oConnection (连接对象) -> 【欧 康内克闪】
        $oConnection = $this->oModel->getConnection();
        $sTableName  = $this->oModel->getTable();
        
        // 防御性编程：将原生 SQL 占位绑定，防止潜在注入风险
        // 直接把表名变量拼进单引号里
        $aStatus = $oConnection->select("SHOW TABLE STATUS LIKE '{$sTableName}'");
        $iNextId = $aStatus[0]->Auto_increment ?? 1;
        
        // 4. 移除旧主键，赋予预测的自增 ID（注：若无特殊业务强需求，大厂更倾向于 unset($aRowAttributes['id'])）
        $aRowAttributes['id'] = (int)$iNextId; // 强制强类型转换
        
        // 5. 健壮的方法存在性检查（呼应你上一条的需求）
        // 变量命名：aMapData (映射数据数组) -> 【诶 迈普 数据】
        $aMapData = $this->getMapAll();
        
        // 6. 统一标准的 JSON 响应输出
        return $oResponse->withJson([
            'iCode' => 200,
            'aData' => [
                'cList'      => $aRowAttributes, // 保持你前端需要的 Key 命名不变
                'aMap'       => $aMapData,
                'aListField' => $this->getListFields(),
                'sPageName'  => $this->sPageName
            ]
        ], 200);
    }
        
//    public function clone(Request $oRequest, Response $oResponse, $args)
//    {
//        $iId = $args['id'];
//        $oModelResult = $this->oModel->findOrFail($iId);
//        $cList = $oModelResult->getRawOriginal();
//        
//        $sTableName = $this->oModel->getTable();
//        $aStatus = DB::select("SHOW TABLE STATUS LIKE '{$sTableName}'");
//        $iNextId = $aStatus[0]->Auto_increment ?? 1;
//        
//        $cList['id'] = $iNextId;
//        
//        return $oResponse->withJson([
//            'iCode' => 200,
//            'aData'   => [
//                'cList' => $cList,
//                'aMap' => $this->oModel->getMapAll(),
//                'aListField' => $this->getListFields(),
//                'sPageName' => $this->sPageName
//            ]
//        ], 200);
//    } // 原代码是这样
    
//    public function cloneSave(Request $oRequest, Response $oResponse, $args)
//    {
////        tt(123);
//        $iId = $args['id'];
////dd(123);
//        $aParams = $oRequest->getParams();
//        
//        foreach ($aParams as $k => $v) {
//            $this->oModel->{$k} = $v;
//        }
//        $this->oModel->create();
//
//        return $oResponse->withJson([
//            'iCode' => 200,
//            'aData' => [],
//            'sMsg'  => "保存成功：id ".$this->oModel->id
//        ], 200);
//    } // 也不行？
    
    public function detail(Request $oRequest, Response $oResponse, $args)
    {
        $iId = $args['id'];
        $oModelResult = $this->oModel->findOrFail($iId);
        $cList = $oModelResult->getRawOriginal();
        
        return $oResponse->withJson([
            'iCode' => 200,
            'aData'   => [
                'cList' => $cList,
                'aMap' => $this->getMapAll(),
                'aListField' => $this->getListFields(),
                'sPageName' => $this->sPageName
            ]
        ], 200);
    }
    
    public function hit(Request $oRequest, Response $oResponse, $args)
    {
        $iId = $args['id'];
        $sField = $args['field'];
        $sHitType = $this->aFieldTypes[$sField] ?? '';
        
        $sHit = $this->oModel->find($iId)?->{$sField};
        
        if ($sHitType) {
            if ($sHitType == 'json') {
                $aHit = json_decode($sHit);
                $sHit = json_encode($aHit, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
            }
        }
        
        return $oResponse->withJson([
            'iCode' => 200,
            'aData'   => [
                'sHit' => $sHit
            ]
        ], 200);
        
    }
    
    public function delete(Request $oRequest, Response $oResponse, $args)
    {
        
        $iId = $args['id'];
        
        $this->oModel->findOrFail($iId)->delete();
        
        return $oResponse->withJson([
            'iCode' => 200,
            'aData' => [],
            'sMsg'  => '删除成功'
        ], 200);
    }
    
    public function addSave(Request $oRequest, Response $oResponse, $args)
    {
        $aParams = $oRequest->getParams();

        foreach ($aParams as $k => $v) {
            $this->oModel->{$k} = $v;
        }
        
        if (!$this->oModel->save()) {
            return $oResponse->withJson(['code' => 500, 'msg' => '保存失败？'], 500);
        }
        
        return $oResponse->withJson([
            'iCode' => 200,
            'aData'   => [],
            'sMsg'  => '保存成功'
        ], 200);
    }
    
    public function detailSave(Request $oRequest, Response $oResponse, $args)
    {
        $iId = $args['id'];
                
        $oThisModel = $this->oModel->find($iId);

        $aParams = $oRequest->getParams();

        unset($aParams['id'], $aParams['_method']);

        foreach ($aParams as $k => &$v) {
            if (empty($v) && empty($oThisModel->{$k})) {
                continue;
            }
            if (empty($v) && $v !== 0 && $v !== '0') {
                $v = '';
            }
            if ($oThisModel->{$k} != $v) {
                $oThisModel->{$k} = $v;
            }
        }

        $oThisModel->save();

        $aChangeField = $oThisModel->getChanges();
        
        /// 排除update_at
        $sClassName = get_class($this->oModel);
        if (
            defined($sClassName . '::UPDATED_AT')
            && ($sUpdateColumn = constant($sClassName . '::UPDATED_AT'))
            && !isset($aParams[$sUpdateColumn])
            && isset($aChangeField[$sUpdateColumn])
        ) {
            unset($aChangeField[$sUpdateColumn]);
        }
        
        /// 构造msg
        $sMsg = "";
        $sJiantou = " -> ";
        foreach ($aChangeField as $k => $v) {
            
            if (mb_strlen($v, 'UTF-8') > 60 ) {
                $sJiantou = '';
//                $v = mb_substr($v, 0, 60, 'UTF-8');
                $v = '';
            }
            
            if (!isset($aParams[$k])) {
                $sMsg .= "⚠️ ".$k . $sJiantou . $v . "<br><br>";
            } else {
                $sMsg .= "✅ ".$k . $sJiantou . $v . "<br><br>";
                unset($aParams[$k]);
            }
        }
        foreach ($aParams as $k => $v) {
            
            if (mb_strlen($v, 'UTF-8') > 60 ) {
                $sJiantou = '';
//                $v = mb_substr($v, 0, 60, 'UTF-8');
                $v = '';
            }
            
            $sMsg .= "❌ ".$k . $sJiantou . $v . "<br><br>";
        }
        $sMsg = rtrim($sMsg, "<br><br>");
        
        return $oResponse->withJson([
            'iCode' => 200,
            'aData' => $aChangeField,
            'sMsg'  => $sMsg
        ], 200);
    }
   
}