package com.nanometer.smartlab.controller;

import com.nanometer.smartlab.entity.BasePage;
import com.nanometer.smartlab.entity.BaseRole;
import com.nanometer.smartlab.service.BasePageService;
import com.nanometer.smartlab.service.BaseRoleService;
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.Iterator;
import java.util.List;
import java.util.Map;

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

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

    @Resource
    private BaseRoleService baseRoleService;
    @Resource
    private BasePageService basePageService;

    private LazyDataModel<BaseRole> dataModel;
    private BaseRole baseRole;
    private List<BaseRole> selectedList;
    private List<BasePage> basePageList;

    private int action;

    public void onNewBtnClick() {
        this.baseRole = new BaseRole();
        this.action = Constants.ACTION_ADD;
        this.basePageList = this.basePageService.getBasePageList();
    }

    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.baseRole = this.baseRoleService.getBaseRole(this.selectedList.get(0).getId());
        this.action = Constants.ACTION_EDIT;
        this.basePageList = this.basePageService.getBasePageList();
        RequestContext.getCurrentInstance().execute("PF('dialog').show()");
    }

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

                if (this.baseRoleService.isBaseRoleExist(this.baseRole.getName(), null)) {
                    FacesUtils.warn("角色名称已存在。");
                    return;
                }

                if (this.baseRole.getPageIdList() == null || this.baseRole.getPageIdList().size() == 0) {
                    FacesUtils.warn("请选择角色权限。");
                    return;
                }

                this.baseRoleService.insertBaseRole(this.baseRole);

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

                if (this.baseRoleService.isBaseRoleExist(this.baseRole.getName(), this.baseRole.getId())) {
                    FacesUtils.warn("角色名称已存在。");
                    return;
                }

                if (this.baseRole.getPageIdList() == null || this.baseRole.getPageIdList().size() == 0) {
                    FacesUtils.warn("请选择角色权限。");
                    return;
                }

                this.baseRoleService.updateBaseRole(this.baseRole);

                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;
            }

            this.baseRoleService.deleteBaseRole(this.selectedList);

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

    public LazyDataModel<BaseRole> getDataModel() {
        if (this.dataModel == null) {
            this.dataModel = new LazyDataModel<BaseRole>() {
                @Override
                public List<BaseRole> load(int first, int pageSize, String sortField, SortOrder sortOrder, Map<String, Object> filters) {
                    List<BaseRole> list = null;
                    try {
                        int count = baseRoleService.getBaseRoleTotalCount(null, null);
                        this.setRowCount(count);
                        if (count > 0) {
                            list = baseRoleService.getBaseRoleList(null, null, first, pageSize);
                        }
                    } catch (Exception e) {
                        logger.error(e);
                    }
                    return list;
                }

                @Override
                public BaseRole getRowData(String rowKey) {
                    Iterator<BaseRole> iterator = this.iterator();
                    if (iterator != null) {
                        BaseRole br = null;
                        while (iterator.hasNext()) {
                            br = iterator.next();
                            if (rowKey.equals(br.getId())) {
                                return br;
                            }
                        }
                    }
                    return null;
                }
            };
        }

        return dataModel;
    }

    public BaseRole getBaseRole() {
        return baseRole;
    }

    public void setBaseRole(BaseRole baseRole) {
        this.baseRole = baseRole;
    }

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

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

    public List<BasePage> getBasePageList() {
        return basePageList;
    }

    public int getAction() {
        return action;
    }
}