<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\Node;
use App\Models\Rule;
use App\Models\RuleGroup;
use App\Models\RuleGroupNode;
use Exception;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\RedirectResponse;
use Illuminate\Http\Request;
use Redirect;
use Response;
use Validator;

class RuleGroupController extends Controller {
	// 审计规则分组列表
	public function index(Request $request) {
		$view['ruleGroupList'] = RuleGroup::paginate(15)->appends($request->except('page'));

		return view('admin.rule.group.index', $view);
	}

	// 添加审计规则分组页面
	public function create() {
		$view['ruleList'] = Rule::all();

		return view('admin.rule.group.info', $view);
	}

	// 添加审计规则分组
	public function store(Request $request): RedirectResponse {
		$validator = Validator::make($request->all(), [
			'name'  => 'required',
			'type'  => 'required|boolean',
			'rules' => 'required',
		]);

		if($validator->fails()){
			return Redirect::back()->withInput()->withErrors($validator->errors());
		}

		$obj = new RuleGroup();
		$obj->name = $request->input('name');
		$obj->type = (int) $request->input('type');
		$obj->rules = $request->input('rules');
		$obj->save();

		if($obj->id){
			return Redirect::back()->with('successMsg', '操作成功');
		}
		return Redirect::back()->withInput()->withErrors('操作失败');
	}

	// 编辑审计规则分组页面
	public function edit($id) {
		$view['ruleGroup'] = RuleGroup::findOrFail($id);
		$view['ruleList'] = Rule::all();

		return view('admin.rule.group.info', $view);
	}

	// 编辑审计规则分组
	public function update(Request $request, $id): RedirectResponse {
		$validator = Validator::make($request->all(), [
			'name' => 'required',
			'type' => 'required|boolean'
		]);
		if($validator->fails()){
			return Redirect::back()->withInput()->withErrors($validator->errors());
		}
		$name = $request->input('name');
		$type = (int) $request->input('type');
		$rules = $request->input('rules');
		$ruleGroup = RuleGroup::findOrFail($id);

		$ruleGroup->name = $name;
		$ruleGroup->type = $type;
		$ruleGroup->rules = $rules;
		if($ruleGroup->save()){
			return Redirect::back()->with('successMsg', '操作成功');
		}

		return Redirect::back()->withInput()->withErrors('操作失败');
	}

	// 删除审计规则分组
	public function destroy($id): JsonResponse {
		try{
			RuleGroup::whereId($id)->delete();
			RuleGroupNode::whereRuleGroupId($id)->delete();

		}catch(Exception $e){
			return Response::json(['status' => 'fail', 'message' => '删除失败，'.$e->getMessage()]);
		}

		return Response::json(['status' => 'success', 'message' => '清理成功']);
	}

	// 规则分组关联节点
	public function assignNode($id) {
		$view['ruleGroup'] = RuleGroup::find($id);
		$view['nodeList'] = Node::all();

		return view('admin.rule.group.assign', $view);
	}

	public function assign(Request $request, $id) {
		$nodes = $request->input('nodes');
		$ruleGroup = RuleGroup::findOrFail($id);

		try{
			if($ruleGroup->nodes === $nodes){
				return Redirect::back()->with('successMsg', '检测为未修改，无变动！');
			}
			RuleGroupNode::whereRuleGroupId($id)->delete();
			if($nodes){
				$ruleGroup->nodes = $nodes;
				if(!$ruleGroup->save()){
					return Redirect::back()->withErrors("更新错误！");
				}

				foreach($nodes as $nodeId){
					$obj = new RuleGroupNode();
					$obj->rule_group_id = $id;
					$obj->node_id = $nodeId;
					$obj->save();
				}
			}else{
				RuleGroup::whereId($id)->update(['nodes' => null]);
			}

		}catch(Exception $e){
			return Redirect::back()->withInput()->withErrors($e->getMessage());
		}

		return Redirect::back()->with('successMsg', '操作成功');
	}
}