/**
 * Copyright &copy; 2012-2014 <a href="https://github.com/thinkgem/jeesite">JeeSite</a> All rights reserved.
 */
package com.ejweb.modules.sys.web;

import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletResponse;

import org.apache.shiro.authz.annotation.RequiresPermissions;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.ModelAttribute;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.ejweb.conf.GConstants;
import com.ejweb.core.utils.StringUtils;
import com.ejweb.core.base.BaseController;
import com.ejweb.modules.sys.entity.Office;
import com.ejweb.modules.sys.entity.User;
import com.ejweb.modules.sys.service.OfficeService;
import com.ejweb.modules.sys.utils.DictUtils;
import com.ejweb.modules.sys.utils.UserUtils;

/**
 * 机构Controller
 * @author ThinkGem
 * @version 2013-5-15
 */
@Controller
@RequestMapping(value = "${adminPath}/sys/office")
public class OfficeController extends BaseController {

    @Autowired
    private OfficeService officeService;
    
    @ModelAttribute("office")
    public Office get(@RequestParam(required=false) String id) {
        if (StringUtils.isNotBlank(id)){
            return officeService.get(id);
        }else{
            return new Office();
        }
    }

    @RequiresPermissions("sys:office:view")
    @RequestMapping(value = {""})
    public String index(Office office, Model model) {
//        model.addAttribute("list", officeService.findAll());
        return "modules/sys/officeIndex";
    }

    @RequiresPermissions("sys:office:view")
    @RequestMapping(value = {"list"})
    public String list(Office office, Model model) {
        model.addAttribute("list", officeService.findList(office));
        return "modules/sys/officeList";
    }
    
    @RequiresPermissions("sys:office:view")
    @RequestMapping(value = "form")
    public String form(Office office, Model model) {
        User user = UserUtils.getUser();
        if (office.getParent()==null || office.getParent().getId()==null){
            office.setParent(user.getOffice());
        }
        office.setParent(officeService.get(office.getParent().getId()));
        if (office.getArea()==null){
            office.setArea(user.getOffice().getArea());
        }
        // 自动获取排序号
        if (StringUtils.isBlank(office.getId())&&office.getParent()!=null){
            int size = 0;
            List<Office> list = officeService.findAll();
            for (int i=0; i<list.size(); i++){
                Office e = list.get(i);
                if (e.getParent()!=null && e.getParent().getId()!=null
                        && e.getParent().getId().equals(office.getParent().getId())){
                    size++;
                }
            }
            office.setCode(office.getParent().getCode() + StringUtils.leftPad(String.valueOf(size > 0 ? size+1 : 1), 3, "0"));
        }
        model.addAttribute("office", office);
        return "modules/sys/officeForm";
    }
    
    @RequiresPermissions("sys:office:edit")
    @RequestMapping(value = "save")
    public String save(Office office, Model model, RedirectAttributes redirectAttributes) {
        if(GConstants.isDemoMode()){
            addMessage(redirectAttributes, "演示模式，不允许操作！");
            return "redirect:" + adminPath + "/sys/office/";
        }
        if (!beanValidator(model, office)){
            return form(office, model);
        }
        officeService.save(office);
        
        if(office.getChildDeptList()!=null){
            Office childOffice = null;
            for(String id : office.getChildDeptList()){
                childOffice = new Office();
                childOffice.setName(DictUtils.getDictLabel(id, "sys_office_common", "未知"));
                childOffice.setParent(office);
                childOffice.setArea(office.getArea());
                childOffice.setType("2");
                childOffice.setGrade(String.valueOf(Integer.valueOf(office.getGrade())+1));
                childOffice.setUseable(GConstants.YES);
                officeService.save(childOffice);
            }
        }
        
        addMessage(redirectAttributes, "保存机构'" + office.getName() + "'成功");
        String id = "0".equals(office.getParentId()) ? "" : office.getParentId();
        return "redirect:" + adminPath + "/sys/office/list?id="+id+"&parentIds="+office.getParentIds();
    }
    
    @RequiresPermissions("sys:office:edit")
    @RequestMapping(value = "delete")
    public String delete(Office office, RedirectAttributes redirectAttributes) {
        if(GConstants.isDemoMode()){
            addMessage(redirectAttributes, "演示模式，不允许操作！");
            return "redirect:" + adminPath + "/sys/office/list";
        }
//        if (Office.isRoot(id)){
//            addMessage(redirectAttributes, "删除机构失败, 不允许删除顶级机构或编号空");
//        }else{
            officeService.delete(office);
            addMessage(redirectAttributes, "删除机构成功");
//        }
        return "redirect:" + adminPath + "/sys/office/list?id="+office.getParentId()+"&parentIds="+office.getParentIds();
    }

    /**
     * 获取机构JSON数据。
     * @param extId 排除的ID
     * @param type    类型（1：公司；2：部门/小组/其它：3：用户）
     * @param grade 显示级别
     * @param response
     * @return
     */
    @RequiresPermissions("user")
    @ResponseBody
    @RequestMapping(value = "treeData")
    public List<Map<String, Object>> treeData(@RequestParam(required=false) String extId, @RequestParam(required=false) String type,
            @RequestParam(required=false) Long grade, @RequestParam(required=false) Boolean isAll, HttpServletResponse response) {
        List<Map<String, Object>> mapList = Lists.newArrayList();
        List<Office> list = officeService.findList(isAll);
        for (int i=0; i<list.size(); i++){
            Office e = list.get(i);
            if ((StringUtils.isBlank(extId) || (extId!=null && !extId.equals(e.getId()) && e.getParentIds().indexOf(","+extId+",")==-1))
                    && (type == null || (type != null && (type.equals("1") ? type.equals(e.getType()) : true)))
                    && (grade == null || (grade != null && Integer.parseInt(e.getGrade()) <= grade.intValue()))
                    && GConstants.YES.equals(e.getUseable())){
                Map<String, Object> map = Maps.newHashMap();
                map.put("id", e.getId());
                map.put("pId", e.getParentId());
                map.put("pIds", e.getParentIds());
                map.put("name", e.getName());
                if (type != null && "3".equals(type)){
                    map.put("isParent", true);
                }
                mapList.add(map);
            }
        }
        return mapList;
    }
}
