package com.ruoyi.service.impl;

import cn.hutool.json.JSONObject;
import com.ruoyi.service.IArchiveDoublePdfGenerateService;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.ParseException;
import org.apache.http.client.ClientProtocolException;

import cn.hutool.http.HttpRequest;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import org.springframework.stereotype.Service;

import java.io.File;
import java.io.IOException;
import java.net.URI;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.UUID;

@Service
public class IArchiveDoublePdfGenerateServiceImpl implements IArchiveDoublePdfGenerateService {
    private final  String OCRServer = "http://127.0.0.1:1224/";
    private  String MUL_LAYER_PDF_URL = OCRServer + "api/doc/upload";
    private  String MUL_LAYER_PDF_STATE_URL = OCRServer + "api/doc/result";
    private  String MUL_LAYER_PDF_DOWNLOAD_URL = OCRServer + "api/doc/download";


    public void unicodeEscapeToChinese (String unicodeEscapedString) {
        // 解码Unicode转义序列
        StringBuilder decodedString = new StringBuilder();
        int i = 0;
        while (i < unicodeEscapedString.length()) {
            if (unicodeEscapedString.startsWith("\\u", i)) {
                // 找到一个Unicode转义序列
                int codePoint = Integer.parseInt(unicodeEscapedString.substring(i + 2, i + 6), 16);
                decodedString.appendCodePoint(codePoint);
                i += 6; // 跳过这个Unicode转义序列
            } else {
                // 不是Unicode转义序列，直接添加字符
                decodedString.append(unicodeEscapedString.charAt(i));
                i++;
            }
        }
        // 打印解码后的字符串
        System.out.println(decodedString.toString());
    }


    public void testConnection() throws IOException {
        File pdfFile = new File("34.pdf");
        String base64 = java.util.Base64.getEncoder().encodeToString(Files.readAllBytes(pdfFile.toPath()));

        JSONObject inputObject = new JSONObject();
        inputObject.put("base64", base64);
        //inputObject.put("options", new JSONObject().put("ocr.language", "models/config_chinese.txt"));

        String response = HttpRequest.post(OCRServer+ "api/doc/result")
                .body(inputObject.toString())
                .contentType("application/json")
                .execute()
                .body();
        unicodeEscapeToChinese(response);
       // System.out.println("unicodeEscapeToChinese("\u672a\u586b\u5199id\u3002"));
//        // 获得Http客户端(可以理解为:你得先有一个浏览器;注意:实际上HttpClient与浏览器是不一样的)
//        CloseableHttpClient httpClient = HttpClientBuilder.create().build();
//        // 创建Get请求
//        HttpGet httpGet = new HttpGet(OCRServer);
//
//        // 响应模型
//        CloseableHttpResponse response = null;
//        try {
//            // 由客户端执行(发送)Get请求
//            response = httpClient.execute(httpGet);
//            // 从响应模型中获取响应实体
//            HttpEntity responseEntity = response.getEntity();
//            System.out.println("响应状态为:" + response.getStatusLine());
//            if (responseEntity != null) {
//                System.out.println("响应内容长度为:" + responseEntity.getContentLength());
//                System.out.println("响应内容为:" + EntityUtils.toString(responseEntity));
//            }
//        } catch (ClientProtocolException e) {
//            e.printStackTrace();
//        } catch (ParseException e) {
//            e.printStackTrace();
//        } catch (IOException e) {
//            e.printStackTrace();
//        } finally {
//            try {
//                // 释放资源
//                if (httpClient != null) {
//                    httpClient.close();
//                }
//                if (response != null) {
//                    response.close();
//                }
//            } catch (IOException e) {
//                e.printStackTrace();
//            }
//        }

    }

    public void doublePdfGenerate() throws IOException {
      //  String ocrUrl = "http://localhost:32009/umi/api/ocr";
        File pdfFile = new File("34.pdf");
        String base64 = java.util.Base64.getEncoder().encodeToString(Files.readAllBytes(pdfFile.toPath()));

        JSONObject inputObject = new JSONObject();
        inputObject.put("base64", base64);
        //inputObject.put("options", new JSONObject().put("ocr.language", "models/config_chinese.txt"));

        String response = HttpRequest.post(OCRServer+"/umi/api/ocr")
                .body(inputObject.toString())
                .contentType("application/json")
                .execute()
                .body();

        System.out.println("识别结果: " + response);

// 创建HttpClient实例
//        HttpClient client = HttpClient.newHttpClient();

//// 生成boundary用于分隔表单数据
//        String boundary = UUID.randomUUID().toString();
//
//// 构建multipart/form-data请求体
//        StringBuilder sb = new StringBuilder();
//// 添加JSON参数部分
//        sb.append("--").append(boundary).append("\r\n");
//        sb.append("Content-Disposition: form-data; name=\"json\"\r\n");
//        sb.append("Content-Type: application/json\r\n");
//        sb.append("\r\n");
//        sb.append(options_json).append("\r\n");
//
//// 添加文件部分
//        sb.append("--").append(boundary).append("\r\n");
//        sb.append("Content-Disposition: form-data; name=\"file\"; filename=\"")
//                .append(Paths.get(path).getFileName()).append("\"\r\n");
//        sb.append("Content-Type: application/pdf\r\n"); // 明确指定PDF类型
//        sb.append("\r\n");
//
//// 读取文件内容并构建完整请求体
//        byte[] fileBytes = Files.readAllBytes(Paths.get(path));
//        byte[] requestBody = new byte[sb.toString().getBytes().length + fileBytes.length
//                + ("\r\n--" + boundary + "--\r\n").getBytes().length];
//        System.arraycopy(sb.toString().getBytes(), 0, requestBody, 0, sb.toString().getBytes().length);
//        System.arraycopy(fileBytes, 0, requestBody, sb.toString().getBytes().length, fileBytes.length);
//        System.arraycopy(("\r\n--" + boundary + "--\r\n").getBytes(), 0, requestBody,
//                sb.toString().getBytes().length + fileBytes.length,
//                ("\r\n--" + boundary + "--\r\n").getBytes().length);
//
//// 创建并发送请求
//        HttpRequest request = HttpRequest.newBuilder()
//                .uri(URI.create(url))
//                .header("Content-Type", "multipart/form-data; boundary=" + boundary)
//                .POST(HttpRequest.BodyPublishers.ofByteArray(requestBody))
//                .build();
//
//// 处理响应
//        HttpResponse<String> response = client.send(request, HttpResponse.BodyHandlers.ofString());
//        System.out.println("响应状态码: " + response.statusCode());
//        System.out.println("响应内容: " + response.body());
    }
}