package com.nanometer.smartlab.controller;

import com.nanometer.smartlab.entity.BaseMeta;
import com.nanometer.smartlab.service.BaseMetaService;
import com.nanometer.smartlab.util.Constants;
import com.nanometer.smartlab.util.FacesUtils;
import org.apache.log4j.Logger;
import org.primefaces.context.RequestContext;
import org.primefaces.model.LazyDataModel;
import org.primefaces.model.SortOrder;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;

import javax.annotation.Resource;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * Created by johnny on 17/8/21.
 */
@Controller
@Scope("session")
public class BaseMetaController extends BaseController {

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

    @Resource
    private BaseMetaService baseMetaService;

    private String groupCode;
    private String keyword;
    private LazyDataModel<BaseMeta> dataModel;
    private BaseMeta baseMeta=new BaseMeta();
    private List<BaseMeta> selectedList;

    private int action;

    public void onNewBtnClick() {
        this.baseMeta = new BaseMeta();
        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.baseMeta = this.baseMetaService.getBaseMeta(this.selectedList.get(0).getId());
        this.action = Constants.ACTION_EDIT;
        RequestContext.getCurrentInstance().execute("PF('dialog').show()");
    }

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

                if (this.baseMetaService.isBaseMetaExist(this.baseMeta.getGroupCode(), this.baseMeta.getMetaKey(), null)) {
                    FacesUtils.warn("种类下存在相同的字典编码。");
                    return;
                }

                this.baseMetaService.insertBaseMeta(baseMeta);

                FacesUtils.info("新建成功。");
                RequestContext.getCurrentInstance().execute("PF('dialog').hide()");
                // 修改
            } else if (this.action == Constants.ACTION_EDIT) {
                if (this.baseMeta == null) {
                    FacesUtils.warn("修改对象为空。");
                    return;
                }

                if (this.baseMetaService.isBaseMetaExist(this.baseMeta.getGroupCode(), this.baseMeta.getMetaKey(), this.baseMeta.getId())) {
                    FacesUtils.warn("种类下存在相同的字典编码。");
                    return;
                }

                this.baseMetaService.updateBaseMeta(baseMeta);

                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<Long>();
            for (BaseMeta bm : this.selectedList) {
                ids.add(bm.getId());
            }

            this.baseMetaService.deleteBaseMeta(ids);

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

    public LazyDataModel<BaseMeta> getDataModel() {
        if (this.dataModel == null) {
            this.dataModel = new LazyDataModel<BaseMeta>() {
                @Override
                public List<BaseMeta> load(int first, int pageSize, String sortField, SortOrder sortOrder, Map<String, Object> filters) {
                    List<BaseMeta> list = null;
                    try {
                        int count = baseMetaService.getBaseMetaTotalCount(groupCode, keyword);
                        this.setRowCount(count);
                        if (count > 0) {
                            list = baseMetaService.getBaseMetaList(groupCode, keyword, first, pageSize);
                        }
                        selectedList = new ArrayList<>();
                    } catch (Exception e) {
                        logger.error(e);
                    }
                    return list;
                }

                @Override
                public BaseMeta getRowData(String rowKey) {
//                    Iterator<BaseMeta> iterator = this.iterator();
//                    if (iterator != null) {
//                        BaseMeta bm = null;
//                        while (iterator.hasNext()) {
//                            bm = iterator.next();
//                            if (rowKey.equals(bm.getId())) {
//                                return bm;
//                            }
//                        }
//                    }
                    Long id=Long.valueOf(rowKey);
                    return baseMetaService.getBaseMeta(id);
                }
            };
        }
        return dataModel;
    }

    public String getGroupCode() {
        return groupCode;
    }

    public void setGroupCode(String groupCode) {
        this.groupCode = groupCode;
    }

    public String getKeyword() {
        return keyword;
    }

    public void setKeyword(String keyword) {
        this.keyword = keyword;
    }

    public BaseMeta getBaseMeta() {
        return baseMeta;
    }

    public void setBaseMeta(BaseMeta baseMeta) {
        this.baseMeta = baseMeta;
    }

    public int getAction() {
        return action;
    }

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

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