package foundation.capacity.role;

import foundation.dao.preload.Bucket;
import foundation.dao.preload.Tree;
import foundation.data.entity.Entity;
import foundation.json.IJSONProvider;
import foundation.json.IJSONWriter;
import foundation.menu.Menu;
import foundation.page.Page;

public class Role implements IJSONProvider {

	protected String id;
	protected String code;
	protected String name;	
	private Bucket<RolePage> rolePageBucket;
	private Tree<RoleMenu> roleMenuTree;
	
	
	public Role() {
		rolePageBucket = new Bucket<RolePage>();
		roleMenuTree = new Tree<RoleMenu>();
	}

	public void load(Entity entity) {
		id = entity.getString("id");
		code = entity.getString("code");
		name = entity.getString("name");
	}

	public void loadOnePage(String menuId, Page page) {
		if (page == null) {
			return;
		}
		
		String menuPageKey = RolePage.createKey(menuId, page.getId());
		RolePage rolePage = new RolePage(page);
		rolePageBucket.loadOne(menuPageKey, rolePage);
	}

	public void loadOneTab(String menuId, String pageId, String tabId) {
		String menuPageKey = RolePage.createKey(menuId, pageId);
		RolePage rolePage = rolePageBucket.getCachedOne(menuPageKey);
		
		if (rolePage == null) {
			return;
		}
		
		rolePage.loadOneTab(tabId);
	}

	public void loadOneButton(String menuId, String pageId, String buttonId, Entity entity) {
		String menuPageKey = RolePage.createKey(menuId, pageId);
		RolePage rolePage = rolePageBucket.getCachedOne(menuPageKey);
		
		if (rolePage == null) {
			return;
		}
		
		rolePage.loadOneButton(entity);  
	}

	public void loadOneMenu(Menu menu) {
		if (menu == null) {
			return;
		}
		
		//1. add parent
		Menu parent = menu.getParent();
		while (parent != null && !roleMenuTree.contains(parent.getId())) {
			   RoleMenu roleMenu = new RoleMenu(parent);
			   roleMenuTree.loadOne(roleMenu.getId(), roleMenu);
				
			   parent = parent.getParent();
		}
		
		//2. add menu
		RoleMenu roleMenu = new RoleMenu(menu);
		roleMenuTree.loadOne(roleMenu.getId(), roleMenu);
	}
	
	public void resetMenuTree(Tree<RoleMenu> newTree) {
		this.roleMenuTree = newTree;
	}
	
	public Bucket<RolePage> getPages() {
		return rolePageBucket;
	}

	public RolePage getPageById(String pageKey) {
		return rolePageBucket.get(pageKey);
	}

	public Tree<RoleMenu> getMenuTree() {
		return roleMenuTree;
	}

	public void onAfterLoadMenuTree() {
		roleMenuTree.onAfterLoad(true);	
	}
	
	public String getId() {
		return id;
	}

	public String getCode() {
		return code;
	}

	@Override
	public void writeJSON(IJSONWriter writer) {
		writer.beginObject("role");
		writeJSONBody(writer);
		writer.endObject();		
	}

	public void writeJSONBody(IJSONWriter writer) {
		writer.write("id", id);
		writer.write("code", code);
		writer.write("name", name);
	}
	
}