package com.nanometer.smartlab.controller;

import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.*;

import javax.annotation.Resource;

import org.apache.log4j.Logger;
import org.primefaces.context.RequestContext;
import org.primefaces.event.FileUploadEvent;
import org.primefaces.model.LazyDataModel;
import org.primefaces.model.SortOrder;
import org.primefaces.model.UploadedFile;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import com.nanometer.smartlab.entity.SysController;
import com.nanometer.smartlab.service.SysControllerService;
import com.nanometer.smartlab.util.Constants;
import com.nanometer.smartlab.util.FacesUtils;

/**
 * Created by johnny on 17/11/20.
 */
@Controller
@Scope("session")
public class SysControllerMngController extends BaseController {

    private static Logger logger = Logger.getLogger(SysControllerMngController.class);

    @Resource
    private SysControllerService sysControllerService;
    @Value("${filePath}")
    private String filePath; //配置文件配置的物理保存地址
    private LazyDataModel<SysController> dataModel;
    private SysController controller;
    private List<SysController> selectedList;

    private String name;
    private String code;

    private int action;

    public void onNewBtnClick() {
        this.controller = new SysController();
        this.action = Constants.ACTION_ADD;
    }

    public void onEditBtnClick() {
        if (this.selectedList == null
                || this.selectedList.size() == 0) {
            FacesUtils.warn("请选择数据。");
            return;
        }
        if (this.selectedList.size() > 1) {
            FacesUtils.warn("只能选择一个数据进行修改。");
            return;
        }
        this.controller = this.sysControllerService.getSysController(this.selectedList.get(0).getId());
        this.action = Constants.ACTION_EDIT;
        RequestContext.getCurrentInstance().execute("PF('dialog').show()");
    }


    public void onSaveBtnClick() {
        try {
        		if (this.controller == null) {
                FacesUtils.warn("新建对象为空。");
                return;
            }

            // 新建
            if (this.action == Constants.ACTION_ADD) {
            		if (this.sysControllerService.getSysControllerByCode(controller.getControllerCode())) {
                    FacesUtils.warn("设备代码已存在。");
                    return;
                }

                if (this.sysControllerService.getSysControllerByName(controller.getControllerName())) {
                    FacesUtils.warn("设备名称已存在。");
                    return;
                }

                this.sysControllerService.insertSysController(controller);

                FacesUtils.info("新建成功。");
                RequestContext.getCurrentInstance().execute("PF('dialog').hide()");
            // 修改
            } else if (this.action == Constants.ACTION_EDIT) {


                this.sysControllerService.updateSysController(controller);

                FacesUtils.info("修改成功。");
                RequestContext.getCurrentInstance().execute("PF('dialog').hide()");
            }
        } catch (Exception e) {
            logger.error("操作失败。", e);
            FacesUtils.warn("操作失败。");
        }
    }

    public void onDeleteBtnClick() {
        try {
            if (this.selectedList == null
                    || this.selectedList.size() == 0) {
                FacesUtils.warn("请选择数据。");
                return;
            }
            List<Long> ids = new ArrayList<>();
            for(SysController controller : this.selectedList)
            {
            	 	ids.add(controller.getId());
            }
            this.sysControllerService.deleteSysControllers(ids);

            FacesUtils.info("删除成功。");
        } catch (Exception e) {
            logger.error("操作失败。", e);
            FacesUtils.warn("操作失败。");
        }
    }

    public void uploadFile(FileUploadEvent event){
        try {
            sysControllerService.uploadFile(event);
        } catch (Exception e) {
            e.printStackTrace();
            FacesUtils.warn("导入失败");
        }
    }

    public void export2Excel(){
        List<Map> list = sysControllerService.exportExcelList(name, code);
        try{
            sysControllerService.export2Excel(list);
        }catch (Exception e){
            e.printStackTrace();
            FacesUtils.warn("导出失败");
        }
    }

    public LazyDataModel<SysController> getDataModel() {
        if (this.dataModel == null) {
            this.dataModel = new LazyDataModel<SysController>() {
                @Override
                public List<SysController> load(int first, int pageSize, String sortField, SortOrder sortOrder, Map<String, Object> filters) {
                    List<SysController> list = null;
                    try {
                        int count = sysControllerService.getSysControllerListCount(code, name);
                        this.setRowCount(count);
                        if (count > 0) {
                            list = sysControllerService.getSysControllerList(code, name, first, pageSize);
                        }
                        selectedList = new ArrayList<>();
                    } catch (Exception e) {
                        logger.error(e);
                    }
                    return list;
                }

                @Override
                public SysController getRowData(String rowKey) {
//                    Iterator<SysController> iterator = this.iterator();
//                    if (iterator != null) {
//                    		SysController br = null;
//                        while (iterator.hasNext()) {
//                            br = iterator.next();
//                            if (Integer.valueOf(rowKey) == br.getId()) {
//                                return br;
//                            }
//                        }
//                    }
                    return sysControllerService.getSysController(Long.valueOf(rowKey));
                }
            };
        }

        return dataModel;
    }

    public String getName() {
		return name;
	}

	public void setName(String name) {
		this.name = name;
	}

	public String getCode() {
		return code;
	}

	public void setCode(String code) {
		this.code = code;
	}

	public SysController getController() {
		return controller;
	}

	public void setController(SysController controller) {
		this.controller = controller;
	}

	public List<SysController> getSelectedList() {
		return selectedList;
	}

	public void setSelectedList(List<SysController> selectedList) {
		this.selectedList = selectedList;
	}

	public int getAction() {
        return action;
    }
}