package com.ltkj.web.controller.system;

import java.io.*;
import java.net.URL;
import java.util.List;
import javax.servlet.http.HttpServletResponse;

import cn.hutool.core.date.DateTime;
import cn.hutool.core.io.FileUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.ltkj.common.core.domain.entity.SysDept;
import com.ltkj.common.core.domain.entity.SysUser;
import com.ltkj.common.utils.SecurityUtils;
import com.ltkj.hosp.domain.TjReport;
import com.ltkj.hosp.domain.TjReservation;
import com.ltkj.web.config.pdfutils.PDFBinaryUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ltkj.common.annotation.Log;
import com.ltkj.common.core.controller.BaseController;
import com.ltkj.common.core.domain.AjaxResult;
import com.ltkj.common.enums.BusinessType;
import com.ltkj.hosp.domain.TjReportTemplate;
import com.ltkj.hosp.service.ITjReportTemplateService;
import com.ltkj.common.utils.poi.ExcelUtil;
import com.ltkj.common.core.page.TableDataInfo;

/**
 * templateController
 *
 * @author ltkj_赵佳豪&李格
 * @date 2022-12-12
 */
@RestController
@RequestMapping("/hosp/template")
@Api(tags = "体检报告模板")
public class TjReportTemplateController extends BaseController {
    @Autowired
    private ITjReportTemplateService tjReportTemplateService;

    @Value("${path.filePath}")
    private String value;

    /**
     * 查询template列表
     */
    //@PreAuthorize("@ss.hasPermi('hosp:template:list')")
    @GetMapping("/list")
    public TableDataInfo list(TjReportTemplate tjReportTemplate) {
        startPage();
        List<TjReportTemplate> list = tjReportTemplateService.selectTjReportTemplateList(tjReportTemplate);
        return getDataTable(list);
    }


    /**
     * 获取template详细信息
     */
    //@PreAuthorize("@ss.hasPermi('hosp:template:query')")
    @GetMapping(value = "/{reportTemId}")
    public AjaxResult getInfo(@PathVariable("reportTemId") Long reportTemId) {
        return success(tjReportTemplateService.selectTjReportTemplateByReportTemId(reportTemId));
    }


    /**
     * 删除template
     */
    @Log(title = "template", businessType = BusinessType.DELETE)
    @DeleteMapping("/{reportTemIds}")
    public AjaxResult remove(@PathVariable Long[] reportTemIds) {
        return toAjax(tjReportTemplateService.deleteTjReportTemplateByReportTemIds(reportTemIds));
    }


    /**
     * 启用状态修改
     */
    @PutMapping("/changeStatus")
    @ApiOperation("启用状态修改")
    public AjaxResult changeStatus(@RequestBody TjReportTemplate tjReportTemplate) {
        //判断是启用
        if ("0".equals(tjReportTemplate.getOpen())){
            TjReportTemplate byId = tjReportTemplateService.getById(tjReportTemplate.getReportTemId());
            LambdaQueryWrapper<TjReportTemplate> we = new LambdaQueryWrapper<>();
            we.eq(TjReportTemplate::getFlag, byId.getFlag());
            we.eq(TjReportTemplate::getOpen, "0");
            List<TjReportTemplate> list = tjReportTemplateService.list(we);
            if (list.size()!=0){
                return AjaxResult.error("同类型模板只能启用一个，请查看其他模板启用状态！");
            }
        }
        tjReportTemplate.setUpdateBy(getUsername());
        tjReportTemplate.setUpdateTime(new DateTime());
        if (!tjReportTemplateService.updateById(tjReportTemplate)) {
            return AjaxResult.error("修改失败");
        }
        return AjaxResult.success("修改成功");
    }


    /**
     * 模板修改接口
     */
    @PostMapping("/edit")
    @ApiOperation(value = "模板修改接口")
    public AjaxResult edit(@RequestBody TjReportTemplate tjReportTemplate) {
        if (tjReportTemplateService.updateById(tjReportTemplate)) {
            return AjaxResult.success("操作成功");
        }
        return AjaxResult.error("操作失败");
    }


    @GetMapping("/preShow/{flag}/{reportTemId}")
    @ApiOperation(value = "模板预览")
    public void preShow(HttpServletResponse response, @PathVariable("flag") boolean flag, @PathVariable("reportTemId") String reportTemId) {
        LambdaQueryWrapper<TjReportTemplate> we = new LambdaQueryWrapper<>();
        we.eq(TjReportTemplate::getReportTemId, reportTemId);
        TjReportTemplate one = tjReportTemplateService.getOne(we);
        if (one == null) {
            return;
        }
        String userId = SecurityUtils.getLoginUser().getUsername();
        PDFBinaryUtil.base64StringToPDF(one.getTemplate(), FileUtil.mkdir(value).getPath() + File.separator + userId + reportTemId + "_模板预览.pdf");
        String filePath = value + File.separator + userId + reportTemId + "_模板预览.pdf";
        File f = new File(filePath);
        if (filePath.isEmpty()) {
            System.out.println("文件不存在！");
            return;
        }
        BufferedInputStream br = null;
        OutputStream out = null;
        FileInputStream fileInputStream = null;
        try {
            fileInputStream = new FileInputStream(f);
            br = new BufferedInputStream(fileInputStream);
            byte[] bs = new byte[1024];
            int len = 0;
            response.reset(); // 非常重要
            if (flag) {
                // 在线打开方式
                URL u = new URL("file:///" + filePath);
                //System.out.println(u);
                String contentType = u.openConnection().getContentType();
                response.setContentType(contentType);
                response.setHeader("Content-Disposition", "inline;filename="
                        + userId + reportTemId + ".pdf");
            } else {
                // 纯下载方式
                response.setContentType("application/x-msdownload");
                response.setContentType("application/pdf;charset=utf-8");
                response.setHeader("Content-Disposition", "attachment;filename="
                        + userId + reportTemId + ".pdf");
            }
            out = response.getOutputStream();
            while ((len = br.read(bs)) > 0) {
                out.write(bs, 0, len);
            }
            out.flush();
            out.close();
            br.close();
            fileInputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
            //System.out.println("pdf处理文件异常" + e);
        } finally {
            if (out != null) {
                try {
                    out.close();
                    br.close();
                    fileInputStream.close();

                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }



    @GetMapping("/zhiYeTable/{flag}")
    @ApiOperation(value = "下载职业健康表")
    public void zhiYeTable(HttpServletResponse response, @PathVariable("flag") boolean flag) {

        LambdaQueryWrapper<TjReportTemplate> we = new LambdaQueryWrapper<>();
        we.eq(TjReportTemplate::getName, "职业健康体检个人信息表");
        TjReportTemplate one = tjReportTemplateService.getOne(we);
        if (one == null) {
            return;
        }
        String userId = SecurityUtils.getLoginUser().getUsername();
        PDFBinaryUtil.base64StringToPDF(one.getTemplate(), FileUtil.mkdir(value).getPath() + File.separator + userId + "_职业健康体检个人信息表.pdf");
        String filePath = value + File.separator + userId + "_职业健康体检个人信息表.pdf";
        File f = new File(filePath);
        if (filePath.isEmpty()) {
            System.out.println("文件不存在！");
            return;
        }
        BufferedInputStream br = null;
        OutputStream out = null;
        FileInputStream fileInputStream = null;
        try {
            fileInputStream = new FileInputStream(f);
            br = new BufferedInputStream(fileInputStream);
            byte[] bs = new byte[1024];
            int len = 0;
            response.reset(); // 非常重要
            if (flag) {
                // 在线打开方式
                URL u = new URL("file:///" + filePath);
                //System.out.println(u);
                String contentType = u.openConnection().getContentType();
                response.setContentType(contentType);
                response.setHeader("Content-Disposition", "inline;filename="
                        + userId +"_职业健康体检个人信息表.pdf");
            } else {
                // 纯下载方式
                response.setContentType("application/x-msdownload");
                response.setContentType("application/pdf;charset=utf-8");
                response.setHeader("Content-Disposition", "attachment;filename="
                        + userId +"_职业健康体检个人信息表.pdf");
            }
            out = response.getOutputStream();
            while ((len = br.read(bs)) > 0) {
                out.write(bs, 0, len);
            }
            out.flush();
            out.close();
            br.close();
            fileInputStream.close();
        } catch (IOException e) {
            e.printStackTrace();
            //System.out.println("pdf处理文件异常" + e);
        } finally {
            if (out != null) {
                try {
                    out.close();
                    br.close();
                    fileInputStream.close();

                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }



}