package com.ruoyi.basic.controller;

import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.ExcelWriter;
import com.alibaba.excel.write.metadata.WriteSheet;
import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.ruoyi.basic.dto.SealConfigExport;
import com.ruoyi.basic.pojo.SealConfig;
import com.ruoyi.basic.service.SealConfigService;
import com.ruoyi.common.core.domain.Result;
import com.ruoyi.common.exception.base.BaseException;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.net.URLEncoder;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.List;

/**
 * 印章管理(报告用印) 控制层
 */
@Api(tags = "印章管理")
@RestController
@RequestMapping("/sealConfig")
public class SealConfigController {

    @Resource
    private SealConfigService sealConfigService;

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

    @ApiOperation(value = "查询印章列表")
    @GetMapping("/pageSeal")
    public Result<IPage<SealConfig>> pageSeal(Page page, SealConfig query) {
        return Result.success(sealConfigService.pageSeal(page, query));
    }

    @ApiOperation(value = "新增印章")
    @PostMapping("/addSeal")
    public Result addSeal(@RequestBody SealConfig seal) {
        return Result.success(sealConfigService.addSeal(seal));
    }

    @ApiOperation(value = "修改印章")
    @PostMapping("/updateSeal")
    public Result updateSeal(@RequestBody SealConfig seal) {
        return Result.success(sealConfigService.updateSeal(seal));
    }

    @ApiOperation(value = "删除印章")
    @DeleteMapping("/delSeal")
    public Result delSeal(Integer id) {
        return Result.success(sealConfigService.delSeal(id));
    }

    @ApiOperation(value = "启用印章下拉列表（供报告批准选择印章）")
    @GetMapping("/selectEnabled")
    public Result selectEnabled() {
        return Result.success(sealConfigService.selectEnabled());
    }

    @ApiOperation(value = "上传印章图片")
    @PostMapping("/upload")
    public Result upload(MultipartFile file) {
        if (file == null || file.isEmpty()) {
            throw new BaseException("请选择印章图片");
        }
        String originalName = file.getOriginalFilename() == null ? "" : file.getOriginalFilename();
        String suffix = originalName.substring(originalName.lastIndexOf(".") + 1).toLowerCase();
        if (!"jpg".equals(suffix) && !"jpeg".equals(suffix) && !"png".equals(suffix)) {
            throw new BaseException("仅支持 jpg / png 图片");
        }
        String fileName = LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyMMddHHmmssSSS")) + "." + suffix;
        try {
            File dir = new File(filePath);
            if (!dir.exists()) {
                dir.mkdirs();
            }
            file.transferTo(new File(dir.getPath() + File.separator + fileName));
        } catch (IOException e) {
            throw new BaseException("印章图片上传失败");
        }
        return Result.success(fileName);
    }

    @ApiOperation(value = "导出印章")
    @GetMapping("/exportSeal")
    public void exportSeal(SealConfig query, HttpServletResponse response) {
        List<SealConfigExport> list = sealConfigService.listForExport(query);
        response.setContentType("application/vnd.ms-excel");
        response.setCharacterEncoding("UTF-8");
        String fileName;
        try {
            fileName = URLEncoder.encode("印章管理", "UTF-8");
        } catch (Exception e) {
            throw new BaseException("导出失败");
        }
        response.setHeader("Content-disposition", "attachment;filename=" + fileName + ".xlsx");
        try {
            ExcelWriter excelWriter = EasyExcel.write(response.getOutputStream())
                    .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy()).build();
            WriteSheet mainSheet = EasyExcel.writerSheet(0, "印章管理").head(SealConfigExport.class).build();
            excelWriter.write(list, mainSheet);
            excelWriter.finish();
        } catch (IOException e) {
            throw new BaseException("导出失败");
        }
    }
}