package com.fdkankan.agent.controller;


import com.alibaba.nacos.common.codec.Base64;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.fdkankan.agent.common.BaseController;
import com.fdkankan.agent.common.PageInfo;
import com.fdkankan.agent.common.ResultCode;
import com.fdkankan.agent.common.ResultData;
import com.fdkankan.agent.common.util.JwtUtil;
import com.fdkankan.agent.entity.AgentNew;
import com.fdkankan.agent.exception.BusinessException;
import com.fdkankan.agent.request.CameraParam;
import com.fdkankan.agent.service.IAgentNewCameraService;
import com.fdkankan.agent.service.IAgentNewService;
import com.fdkankan.agent.service.ICameraService;
import com.fdkankan.agent.service.IExcelService;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.apache.ibatis.annotations.Param;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.List;

/**
 * <p>
 * 相机主表 前端控制器
 * </p>
 *
 * @author 
 * @since 2022-11-09
 */
@RestController
@Slf4j
@RequestMapping("/agent/camera")
public class CameraController extends BaseController {

    @Autowired
    ICameraService cameraService;
    @Autowired
    IAgentNewService agentNewService;
    @Autowired
    IAgentNewCameraService agentNewCameraService;
    @Autowired
    IExcelService excelService;

    @PostMapping("/list")
    public ResultData list(@RequestBody CameraParam param){
        param.setAgentId(getAgent().getId());
        if(getAgent().getParentId() != null) {
            List<Long> cameraIds = agentNewCameraService.getBySubAgent(getAgent().getId());
            if(cameraIds.isEmpty()){
                return ResultData.ok(PageInfo.PageInfo(new Page<>(param.getPageNum(),param.getPageSize())));
            }
            param.setAuthCameraIds(cameraIds);
        }

        return ResultData.ok(cameraService.pageList(param));
    }



    @PostMapping("/giveCamera")
    public ResultData giveCamera(@RequestBody CameraParam param){
        if(param.getId() == null || param.getSubAgentId() == null){
            throw new BusinessException(ResultCode.PARAM_MISS);
        }
        param.setAgentId(getAgent().getId());
        agentNewCameraService.giveCamera(param);
        return ResultData.ok();
    }

    @PostMapping("/unBindCamera")
    public ResultData unBindCamera(@RequestBody CameraParam param){
        if(param.getId() == null ){
            throw new BusinessException(ResultCode.PARAM_MISS);
        }
        param.setAgentId(getAgent().getId());
        agentNewCameraService.unBindCamera(param);
        return ResultData.ok();
    }

    @PostMapping("/giveCameraBatch")
    public ResultData giveCameraBatch(
            @RequestParam(required = false) Integer subAgentId,
            @RequestParam(required = false) MultipartFile file){
        Integer count = excelService.uploadExcel(file,getAgent().getId(),subAgentId);
        return ResultData.ok(count);
    }

    @GetMapping("/downTemplate")
    public void downInTemplate(@RequestParam(required = false,defaultValue = "0") Integer type,
                               HttpServletResponse res, HttpServletRequest req) throws IOException {
        String fileName = "";
        switch (getLang()){
            case "en" : fileName = "giveCamera_en.xlsx"; break;
            default: fileName = "giveCamera.xlsx"; break;
        }
        InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("template/"+fileName);
        OutputStream os = res.getOutputStream();
        try {
            String agent = req.getHeader("USER-AGENT");
            if (agent != null && !agent.contains("MSIE") && !agent.contains("like Gecko")) {// FF
                String enableFileName = "=?UTF-8?B?" + (new String(Base64.encodeBase64(fileName.getBytes(StandardCharsets.UTF_8))))
                        + "?=";
                res.setHeader("Content-Disposition", "attachment; filename=" + enableFileName);
            } else { // IE
                String enableFileName = URLEncoder.encode(fileName, "UTF-8");
                res.setHeader("Content-Disposition", "attachment; filename=" + enableFileName);
            }
            File file = new File(fileName);
            FileUtils.copyInputStreamToFile(inputStream,file);
            os.write(FileUtils.readFileToByteArray(file));
            os.flush();
        } finally {
            os.close();
        }
    }
}