<?php
namespace app\api\controller;
use app\common\controller\Api;
use think\Db;
use think\Request;

class Facility extends Api
{
    protected $noNeedLogin = ['*'];
    protected $noNeedRight = ['*'];

    public function getlsit()
    {
        // 获取前端传入的图片路径参数
        $params = $this->request->param('path', '');
        // 查询数据库
        $res = Db::name('text_to_image')->alias('b')
            ->field('b.chinese_description,b.english_description,b.new_image_url,b.custom_image_url,b.size,b.old_image_url')
            ->where('old_image_url', $params)
            ->where('custom_image_url', '<>', '')
            ->where('status', 1)
            ->order('b.id desc')
            ->select();
        return json(['code' => 0, 'msg' => '查询成功', 'data' => $res,'count'=>count($res)]);
    }


    //获取指定目录所有图片
    public function getPreviewimg(){
        $relativePath = $this->request->param('path', '');
        $basePath = ROOT_PATH . 'public/';
        $fullPath = $basePath . $relativePath;
        if (!is_dir($fullPath)) {
            return json(['code' => 1, 'msg' => '目录不存在']);
        }
        // 1. 获取该目录下所有图片
        $images = glob($fullPath . '/*.{jpg,jpeg,png}', GLOB_BRACE);
        // 2. 获取数据库中已处理的图片数据
        $processedList = Db::name('text_to_image')
            ->field('old_image_url,new_image_url,custom_image_url,chinese_description,english_description')
            ->where('custom_image_url', '<>', '')
            ->whereNotNull('custom_image_url')
            ->select();
        // 3. 构建以 old_image_url 为 key 的映射数组，方便快速查找
        $processedMap = [];
        foreach ($processedList as $item) {
            $processedMap[$item['old_image_url']] = $item;
        }
        // 4. 组装结果数据
        $data = [];
        $id = 1;
        foreach ($images as $imgPath) {
            $relative = str_replace($basePath, '', $imgPath);
            $info = getimagesize($imgPath);
            $sizeKB = round(filesize($imgPath) / 1024, 2);
            $ctime = date('Y-m-d H:i:s', filectime($imgPath));

            $processed = $processedMap[$relative] ?? '';

            // 查询数据库中相同 old_image_url 的条数
            $sameCount = Db::name('text_to_image')
                ->where('old_image_url', $relative)
                ->where('custom_image_url', '<>', '')
                ->count();

            $data[] = [
                'id' => $id++,
                'path' => $relative,
                'width' => $info[0] ?? 0,
                'height' => $info[1] ?? 0,
                'size_kb' => $sizeKB,
                'created_time' => $ctime,
                'is_processed' => $processed ? 1 : 0,
                'new_image_url' => $processed['new_image_url'] ?? '',
                'custom_image_url' => $processed['custom_image_url'] ?? '',
                'chinese_description' => ($processed['chinese_description'] ?? '') . ($processed['english_description'] ?? ''),
                'same_count' => $sameCount  // ✅ 加入统计数量
            ];
        }

        return json(['code' => 0, 'msg' => '获取成功', 'data' => $data]);
    }

    /**
     * 获取原图目录及每个目录下的图片数量
     */
    public function getPreviewSubDirs()
    {
//        $baseDir = ROOT_PATH . 'public/uploads/operate/ai/Preview/';
        $baseDir = rtrim(str_replace('\\', '/', ROOT_PATH), '/') . '/public/uploads/operate/ai/Preview/';
        $baseRelativePath = 'uploads/operate/ai/Preview/';

        if (!is_dir($baseDir)) {
            return json(['code' => 1, 'msg' => '目录不存在']);
        }

        $items = scandir($baseDir);
        $dirs = [];
        $index = 1;

        foreach ($items as $item) {
            if ($item === '.' || $item === '..') continue;

            $fullPath = $baseDir . $item;

            if (!is_dir($fullPath)) continue;

            $relativeDir = $baseRelativePath . $item;

            // 查询该目录在数据库中是否有有效数据
            $hasData = Db::name('text_to_image')
                ->where('custom_image_url', '<>', '')
                ->whereLike('old_image_url', $relativeDir . '/%')
                ->whereNotNull('custom_image_url')
                ->count();
//            if ($hasData === 0) {
//                continue; // 如果没有有效数据，跳过此目录
//            }

            // 统计图片数量
            $imageFiles = glob($fullPath . '/*.{jpg,jpeg,png}', GLOB_BRACE);
            $imageCount = is_array($imageFiles) ? count($imageFiles) : 0;
            // 创建时间
            $ctime = filectime($fullPath);
            $formattedDate = date('Y-m-d', $ctime);

            $dirs[] = [
                'id' => $index++,
                'name' => $item,
                'count' => $hasData,
                'ctime' => $formattedDate,
                'image_count' => $imageCount,
                'new_image_url' => "/uploads/operate/ai/dall-e/",
                'old_image_url' => $relativeDir
            ];
        }

        // 排序：按时间倒序
        usort($dirs, function ($a, $b) {
            return strtotime($b['ctime']) - strtotime($a['ctime']);
        });

        return json(['code' => 0, 'msg' => '获取成功', 'data' => $dirs]);
    }


    /**
     * 图片上传
     * @return void
     */
    public function ImgUpload()
    {
        // 处理 CORS OPTIONS 预检请求
        if ($_SERVER['REQUEST_METHOD'] == 'OPTIONS') {
            header('Access-Control-Allow-Origin: *');
            header('Access-Control-Allow-Methods: POST, OPTIONS');
            header('Access-Control-Allow-Headers: Content-Type, Authorization');
            header('Access-Control-Max-Age: 86400');
            exit(204);
        }

        // 实际请求必须返回 CORS 头
        header('Access-Control-Allow-Origin: *');

        $file = request()->file('image');

        if ($file) {
            $info = $file->validate([
                'size' => 10 * 1024 * 1024, // 10MB
                'ext' => 'jpg,png,jpeg'
            ])->move(ROOT_PATH . 'public' . DS . 'uploads/operate/ai/Preview/');

            if ($info) {
                $saveName = $info->getSaveName();
                $savePath = str_replace('\\', '/', $saveName);
                $fullPath = ROOT_PATH . 'public/uploads/operate/ai/Preview/' . $savePath;
                $relativePath = 'uploads/operate/ai/Preview/' . $savePath;

                // 获取图片信息
                $imgInfo = getimagesize($fullPath);
                $width = $imgInfo[0] ?? 0;
                $height = $imgInfo[1] ?? 0;
                $size_kb = round(filesize($fullPath) / 1024, 2);
                $created_time = date('Y-m-d H:i:s');

                // 写入数据库 original_image 表
                $insertData = [
                    'path' => $relativePath,
                    'width' => $width,
                    'height' => $height,
                    'size_kb' => $size_kb,
                    'created_time' => $created_time
                ];

                $result = Db::name('original_image')->insert($insertData);

                return json([
                    'code' => 0,
                    'msg' => '上传成功',
                    'data' => [
                        'url' => $relativePath,
                        'db_inserted' => $result ? true : false
                    ]
                ]);
            } else {
                return json([
                    'code' => 1,
                    'msg' => '上传失败',
                    'data' => $file->getError()
                ]);
            }
        }

        return json([
            'code' => 1,
            'msg' => '没有接收到上传文件',
            'data' => null
        ]);
    }
}