package com.ghsc.partybuild.controller;

import com.fasterxml.jackson.databind.JsonNode;
import com.github.pagehelper.PageInfo;
import com.ghsc.partybuild.AppConfig;
import com.ghsc.partybuild.controller.jsonmodel.RequsetData;
import com.ghsc.partybuild.model.DsjFilemrg;
import com.ghsc.partybuild.service.FileMgrService;
import com.ghsc.partybuild.util.Word2PdfUtil;
import com.ghsc.partybuild.vo.DsjTreeFiletype;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletResponse;
import java.io.ByteArrayOutputStream;
import java.io.OutputStream;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Base64;
import java.util.List;
import java.util.Map;

@Slf4j
@RestController
@RequestMapping(value = "/appApi/fileMgr")
public class AppFileMgrController {

    @Autowired
    private FileMgrService fileMgrService;

    @Autowired
    private Word2PdfUtil word2PdfUtil;

    @Autowired
    private AppConfig appConfig;

    @GetMapping("/GetFileTypeRoot")
    @ResponseBody
    public RequsetData<List<DsjTreeFiletype>> GetFileTypeRoot() {
        RequsetData<List<DsjTreeFiletype>> res = new RequsetData<>();
        //res.setItem(fileMgrService.getFileTypeRoot());
        res.setItem(fileMgrService.getFileTreeByParent(""));
        return res;
    }

    @PostMapping("/GetFileTypesByParent")
    @ResponseBody
    public RequsetData<List<DsjTreeFiletype>> GetFileTypesByParent(@RequestBody JsonNode reqMap) {

        String parentId=reqMap.get("parentid").asText();
        RequsetData<List<DsjTreeFiletype>> res = new RequsetData<>();
        //@RequestParam("parentid") String parentId
        List<DsjTreeFiletype> parents = fileMgrService.getFileTreeByParent(parentId);
        res.setItem(parents);
        return res;
    }

    @PostMapping("/GetFilesByKey")
    @ResponseBody
    public RequsetData<PageInfo<DsjFilemrg>> GetFilesByKey(@RequestBody JsonNode reqMap) {
        RequsetData<PageInfo<DsjFilemrg>> res = new RequsetData<>();
        String fileName=reqMap.get("fileName").asText();
        int pageIndex=reqMap.get("pageIndex").asInt();
        int pageSize=reqMap.get("pageSize").asInt();

        res.setItem(fileMgrService.getFilesByKey(fileName, pageIndex, pageSize));

        return res;
    }

    /**
     * @Description //TODO 查询cf_file表附件
     * @Date 17:32 2019/7/31
     * @Param [fileRefID, fileTypeId, pageIndex, pageSize]
     **/
    @PostMapping("/getFileList")
    @ResponseBody
    public RequsetData<PageInfo<Map<String,Object>>> GetFileList(@RequestBody JsonNode reqMap) {
        RequsetData<PageInfo<Map<String,Object>>> res = new RequsetData<>();

        String fileName=reqMap.get("fileName")!=null?reqMap.get("fileName").asText():"";
        String fileTypeId=reqMap.get("fileTypeId")!=null?reqMap.get("fileTypeId").asText():"";
        int pageIndex=reqMap.get("pageIndex").asInt();
        int pageSize=reqMap.get("pageSize").asInt();

        res.setItem(fileMgrService.FindFilesApp(fileName,fileTypeId,pageIndex, pageSize));

        return res;
    }

    @PostMapping({"/getFilePDF"})
    @ResponseBody
    public RequsetData<String> getFilePDF(@RequestBody JsonNode reqMap){
        RequsetData<String> res=new RequsetData<>();
        String fileId=reqMap.get("fileId").asText();
        DsjFilemrg file = fileMgrService.getFileInfo(fileId);
        Path pFileName = Paths.get(appConfig.fileMgrUrl, file.getFileurl() + file.getExtendedname());
        if (Files.exists(pFileName)) {
            ByteArrayOutputStream bout=new ByteArrayOutputStream();
            try {
                Files.copy(pFileName, bout);
                String img= Base64.getEncoder().encodeToString(bout.toByteArray());
                res.setItem(img);
            }catch (Exception ex){
                log.error("getFilePDF:",ex);
                res.setSuccess(false);
                res.setMsg(ex.getMessage());
            }
        }


        return res;
    }
}