<?php
namespace app\user\admin;

use app\admin\controller\Admin;
use app\common\builder\ZBuilder;
use app\user\model\User as UserModel;
use app\user\model\Role as RoleModel;
use app\admin\model\Module as ModuleModel;
use app\admin\model\Access as AccessModel;
use util\Tree;
use think\Db;
use think\facade\Hook;

/**
 * 用户默认控制器
 * @package app\user\admin
 */
class Index extends Admin
{
    /**
     * 用户首页
     * @author 蔡伟明 <314013107@qq.com>
     * @return mixed
     * @throws \think\Exception
     * @throws \think\exception\DbException
     */
    public function index()
    {
        cookie('__forward__', $_SERVER['REQUEST_URI']);

        // 获取查询条件
        $map = $this->getMap();
        // 非超级管理员检查可管理角色
        if (session('user_auth.role') != 1) {
            $role_list = RoleModel::getChildsId(session('user_auth.role'));
            $map[] = ['role', 'in', $role_list];
        }

        // 数据列表
        $data_list = UserModel::where($map)->order('sort,role,id desc')->paginate();

        // 授权按钮
        $btn_access = [
            'title' => '授权',
            'icon'  => 'fa fa-fw fa-key',
            'href'  => url('access', ['uid' => '__id__'])
        ];

        // 角色列表
        if (session('user_auth.role') != 1) {
            $role_list = RoleModel::getTree(null, false, session('user_auth.role'));
        } else {
            $role_list = RoleModel::getTree();
        }

        // 使用ZBuilder快速创建数据表格
        return ZBuilder::make('table')
            ->setPageTitle('用户管理') // 设置页面标题
            ->setTableName('admin_user') // 设置数据表名
            ->setSearch(['id' => 'ID', 'username' => '用户名', 'email' => '邮箱']) // 设置搜索参数
            ->addColumns([ // 批量添加列
                ['id', 'ID'],
                ['username', '用户名'],
                ['nickname', '昵称'],
                ['role', '角色', $role_list],
                ['email', '邮箱'],
                ['mobile', '手机号'],
                ['create_time', '创建时间', 'datetime'],
                ['status', '状态', 'switch'],
                ['right_button', '操作', 'btn']
            ])
            ->addTopButtons('add,enable,disable,delete') // 批量添加顶部按钮
            ->addRightButton('custom', $btn_access) // 添加授权按钮
            ->addRightButtons('edit,delete') // 批量添加右侧按钮
            ->setRowList($data_list) // 设置表格数据
            ->fetch(); // 渲染页面
    }

    /**
     * 新增
     * @author 蔡伟明 <314013107@qq.com>
     * @return mixed
     * @throws \think\Exception
     */
    public function add()
    {
        // 保存数据
        if ($this->request->isPost()) {
            $data = $this->request->post();
            // 验证
            $result = $this->validate($data, 'User');
            // 验证失败 输出错误信息
            if(true !== $result) $this->error($result);

            // 非超级管理需要验证可选择角色
            if (session('user_auth.role') != 1) {
                if ($data['role'] == session('user_auth.role')) {
                    $this->error('禁止创建与当前角色同级的用户');
                }
                $role_list = RoleModel::getChildsId(session('user_auth.role'));
                if (!in_array($data['role'], $role_list)) {
                    $this->error('权限不足，禁止创建非法角色的用户');
                }
            }

            if ($user = UserModel::create($data)) {
                Hook::listen('user_add', $user);
                // 记录行为
                action_log('user_add', 'admin_user', $user['id'], UID);
                $this->success('新增成功', url('index'));
            } else {
                $this->error('新增失败');
            }
        }

        // 角色列表
        if (session('user_auth.role') != 1) {
            $role_list = RoleModel::getTree(null, false, session('user_auth.role'));
        } else {
            $role_list = RoleModel::getTree(null, false);
        }

        // 使用ZBuilder快速创建表单
        return ZBuilder::make('form')
            ->setPageTitle('新增') // 设置页面标题
            ->addFormItems([ // 批量添加表单项
                ['text', 'username', '用户名', '必填，可由英文字母、数字组成'],
                ['text', 'nickname', '昵称', '可以是中文'],
                ['select', 'role', '角色', '非超级管理员，禁止创建与当前角色同级的用户', $role_list],
                ['text', 'email', '邮箱', ''],
                ['password', 'password', '密码', '必填，6-20位'],
                ['text', 'mobile', '手机号'],
                ['image', 'avatar', '头像'],
                ['radio', 'status', '状态', '', ['禁用', '启用'], 1]
            ])
            ->fetch();
    }

    /**
     * 编辑
     * @param null $id 用户id
     * @author 蔡伟明 <314013107@qq.com>
     * @return mixed
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     */
    public function edit($id = null)
    {
        if ($id === null) $this->error('缺少参数');

        // 非超级管理员检查可编辑用户
        if (session('user_auth.role') != 1) {
            $role_list = RoleModel::getChildsId(session('user_auth.role'));
            $user_list = UserModel::where('role', 'in', $role_list)->column('id');
            if (!in_array($id, $user_list)) {
                $this->error('权限不足，没有可操作的用户');
            }
        }

        // 保存数据
        if ($this->request->isPost()) {
            $data = $this->request->post();

            // 禁止修改超级管理员的角色和状态
            if ($data['id'] == 1 && $data['role'] != 1) {
                $this->error('禁止修改超级管理员角色');
            }

            // 禁止修改超级管理员的状态
            if ($data['id'] == 1 && $data['status'] != 1) {
                $this->error('禁止修改超级管理员状态');
            }

            // 验证
            $result = $this->validate($data, 'User.update');
            // 验证失败 输出错误信息
            if(true !== $result) $this->error($result);

            // 如果没有填写密码，则不更新密码
            if ($data['password'] == '') {
                unset($data['password']);
            }

            // 非超级管理需要验证可选择角色
            if (session('user_auth.role') != 1) {
                if ($data['role'] == session('user_auth.role')) {
                    $this->error('禁止修改为当前角色同级的用户');
                }
                $role_list = RoleModel::getChildsId(session('user_auth.role'));
                if (!in_array($data['role'], $role_list)) {
                    $this->error('权限不足，禁止修改为非法角色的用户');
                }
            }

            if (UserModel::update($data)) {
                $user = UserModel::get($data['id']);
                Hook::listen('user_edit', $user);
                // 记录行为
                action_log('user_edit', 'admin_user', $user['id'], UID, get_nickname($user['id']));
                $this->success('编辑成功', cookie('__forward__'));
            } else {
                $this->error('编辑失败');
            }
        }

        // 获取数据
        $info = UserModel::where('id', $id)->field('password', true)->find();

        // 角色列表
        if (session('user_auth.role') != 1) {
            $role_list = RoleModel::getTree(null, false, session('user_auth.role'));
        } else {
            $role_list = RoleModel::getTree(null, false);
        }

        // 使用ZBuilder快速创建表单
        return ZBuilder::make('form')
            ->setPageTitle('编辑') // 设置页面标题
            ->addFormItems([ // 批量添加表单项
                ['hidden', 'id'],
                ['static', 'username', '用户名', '不可更改'],
                ['text', 'nickname', '昵称', '可以是中文'],
                ['select', 'role', '角色', '非超级管理员，禁止创建与当前角色同级的用户', $role_list],
                ['text', 'email', '邮箱', ''],
                ['password', 'password', '密码', '必填，6-20位'],
                ['text', 'mobile', '手机号'],
                ['image', 'avatar', '头像'],
                ['radio', 'status', '状态', '', ['禁用', '启用']]
            ])
            ->setFormData($info) // 设置表单数据
            ->fetch();
    }

    /**
     * 授权
     * @param string $module 模块名
     * @param int $uid 用户id
     * @param string $tab 分组tab
     * @author 蔡伟明 <314013107@qq.com>
     * @return mixed
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public function access($module = '', $uid = 0, $tab = '')
    {
        if ($uid === 0) $this->error('缺少参数');

        // 非超级管理员检查可编辑用户
        if (session('user_auth.role') != 1) {
            $role_list = RoleModel::getChildsId(session('user_auth.role'));
            $user_list = UserModel::where('role', 'in', $role_list)->column('id');
            if (!in_array($uid, $user_list)) {
                $this->error('权限不足，没有可操作的用户');
            }
        }

        // 获取所有授权配置信息
        $list_module = ModuleModel::where('access', 'neq', '')
            ->where('access', 'neq', '')
            ->where('status', 1)
            ->column('name,title,access');

        if ($list_module) {
            // tab分组信息
            $tab_list = [];
            foreach ($list_module as $key => $value) {
                $list_module[$key]['access'] = json_decode($value['access'], true);
                // 配置分组信息
                $tab_list[$value['name']] = [
                    'title' => $value['title'],
                    'url'   => url('access', [
                        'module' => $value['name'],
                        'uid'    => $uid
                    ])
                ];
            }
            $module = $module == '' ? current(array_keys($list_module)) : $module;
            $this->assign('tab_nav', [
                'tab_list' => $tab_list,
                'curr_tab' => $module
            ]);

            // 读取授权内容
            $access = $list_module[$module]['access'];
            foreach ($access as $key => $value) {
                $access[$key]['url'] = url('access', [
                    'module'  => $module,
                    'uid'     => $uid,
                    'tab'     => $key
                ]);
            }

            // 当前分组
            $tab = $tab == '' ? current(array_keys($access)) : $tab;
            // 当前授权
            $curr_access = $access[$tab];
            if (!isset($curr_access['nodes'])) {
                $this->error('模块：'.$module.' 数据授权配置缺少nodes信息');
            }
            $curr_access_nodes = $curr_access['nodes'];

            $this->assign('tab', $tab);
            $this->assign('access', $access);

            if ($this->request->isPost()) {
                $post = $this->request->param();
                if (isset($post['nodes'])) {
                    $data_node = [];
                    foreach ($post['nodes'] as $node) {
                        list($group, $nid) = explode('|', $node);
                        $data_node[] = [
                            'module' => $module,
                            'group'  => $group,
                            'uid'    => $uid,
                            'nid'    => $nid,
                            'tag'    => $post['tag']
                        ];
                    }

                    // 先删除原有授权
                    $map['module'] = $post['module'];
                    $map['tag']    = $post['tag'];
                    $map['uid']    = $post['uid'];
                    if (false === AccessModel::where($map)->delete()) {
                        $this->error('清除旧授权失败');
                    }

                    // 添加新的授权
                    $AccessModel = new AccessModel;
                    if (!$AccessModel->saveAll($data_node)) {
                        $this->error('操作失败');
                    }

                    // 调用后置方法
                    if (isset($curr_access_nodes['model_name']) && $curr_access_nodes['model_name'] != '') {
                        if (strpos($curr_access_nodes['model_name'], '/')) {
                            list($module, $model_name) = explode('/', $curr_access_nodes['model_name']);
                        } else {
                            $model_name = $curr_access_nodes['model_name'];
                        }
                        $class = "app\\{$module}\\model\\".$model_name;
                        $model = new $class;
                        try{
                            $model->afterAccessUpdate($post);
                        }catch(\Exception $e){}
                    }

                    // 记录行为
                    $nids = implode(',', $post['nodes']);
                    $details = "模块($module)，分组(".$post['tag'].")，授权节点ID($nids)";
                    action_log('user_access', 'admin_user', $uid, UID, $details);
                    $this->success('操作成功', url('access', ['uid' => $post['uid'], 'module' => $module, 'tab' => $tab]));
                } else {
                    // 清除所有数据授权
                    $map['module'] = $post['module'];
                    $map['tag']    = $post['tag'];
                    $map['uid']    = $post['uid'];
                    if (false === AccessModel::where($map)->delete()) {
                        $this->error('清除旧授权失败');
                    } else {
                        $this->success('操作成功');
                    }
                }
            } else {
                $nodes = [];
                if (isset($curr_access_nodes['model_name']) && $curr_access_nodes['model_name'] != '') {
                    if (strpos($curr_access_nodes['model_name'], '/')) {
                        list($module, $model_name) = explode('/', $curr_access_nodes['model_name']);
                    } else {
                        $model_name = $curr_access_nodes['model_name'];
                    }
                    $class = "app\\{$module}\\model\\".$model_name;
                    $model = new $class;

                    try{
                        $nodes = $model->access();
                    }catch(\Exception $e){
                        $this->error('模型：'.$class."缺少“access”方法");
                    }
                } else {
                    // 没有设置模型名，则按表名获取数据
                    $fields = [
                        $curr_access_nodes['primary_key'],
                        $curr_access_nodes['parent_id'],
                        $curr_access_nodes['node_name']
                    ];

                    $nodes = Db::name($curr_access_nodes['table_name'])->order($curr_access_nodes['primary_key'])->field($fields)->select();
                    $tree_config = [
                        'title' => $curr_access_nodes['node_name'],
                        'id'    => $curr_access_nodes['primary_key'],
                        'pid'   => $curr_access_nodes['parent_id']
                    ];
                    $nodes = Tree::config($tree_config)->toLayer($nodes);
                }

                // 查询当前用户的权限
                $map = [
                    'module' => $module,
                    'tag'    => $tab,
                    'uid'    => $uid
                ];
                $node_access = AccessModel::where($map)->select();
                $user_access = [];
                foreach ($node_access as $item) {
                    $user_access[$item['group'].'|'.$item['nid']] = 1;
                }

                $nodes = $this->buildJsTree($nodes, $curr_access_nodes, $user_access);
                $this->assign('nodes', $nodes);
            }

            $page_tips = isset($curr_access['page_tips']) ? $curr_access['page_tips'] : '';
            $tips_type = isset($curr_access['tips_type']) ? $curr_access['tips_type'] : 'info';
            $this->assign('page_tips', $page_tips);
            $this->assign('tips_type', $tips_type);
        }

        $this->assign('module', $module);
        $this->assign('uid', $uid);
        $this->assign('tab', $tab);
        $this->assign('page_title', '数据授权');
        return $this->fetch();
    }

    /**
     * 构建jstree代码
     * @param array $nodes 节点
     * @param array $curr_access 当前授权信息
     * @param array $user_access 用户授权信息
     * @author 蔡伟明 <314013107@qq.com>
     * @return string
     */
    private function buildJsTree($nodes = [], $curr_access = [], $user_access = [])
    {
        $result = '';
        if (!empty($nodes)) {
            $option = [
                'opened'   => true,
                'selected' => false
            ];
            foreach ($nodes as $node) {
                $key = $curr_access['group'].'|'.$node[$curr_access['primary_key']];
                $option['selected'] = isset($user_access[$key]) ? true : false;
                if (isset($node['child'])) {
                    $curr_access_child = isset($curr_access['child']) ? $curr_access['child'] : $curr_access;
                    $result .= '<li id="'.$key.'" data-jstree=\''.json_encode($option).'\'>'.$node[$curr_access['node_name']].$this->buildJsTree($node['child'], $curr_access_child, $user_access).'</li>';
                } else {
                    $result .= '<li id="'.$key.'" data-jstree=\''.json_encode($option).'\'>'.$node[$curr_access['node_name']].'</li>';
                }
            }
        }

        return '<ul>'.$result.'</ul>';
    }

    /**
     * 删除用户
     * @param array $ids 用户id
     * @author 蔡伟明 <314013107@qq.com>
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function delete($ids = [])
    {
        Hook::listen('user_delete', $ids);
        return $this->setStatus('delete');
    }

    /**
     * 启用用户
     * @param array $ids 用户id
     * @author 蔡伟明 <314013107@qq.com>
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function enable($ids = [])
    {
        Hook::listen('user_enable', $ids);
        return $this->setStatus('enable');
    }

    /**
     * 禁用用户
     * @param array $ids 用户id
     * @author 蔡伟明 <314013107@qq.com>
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function disable($ids = [])
    {
        Hook::listen('user_disable', $ids);
        return $this->setStatus('disable');
    }

    /**
     * 设置用户状态：删除、禁用、启用
     * @param string $type 类型：delete/enable/disable
     * @param array $record
     * @author 蔡伟明 <314013107@qq.com>
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function setStatus($type = '', $record = [])
    {
        $ids = $this->request->isPost() ? input('post.ids/a') : input('param.ids');
        $ids = (array)$ids;

        // 当前用户所能操作的用户
        $role_list = RoleModel::getChildsId(session('user_auth.role'));
        $user_list = UserModel::where('role', 'in', $role_list)->column('id');
        if (session('user_auth.role') != 1 && !$user_list) {
            $this->error('权限不足，没有可操作的用户');
        }

        $ids = array_intersect($user_list, $ids);
        if (!$ids) {
            $this->error('权限不足，没有可操作的用户');
        }

        switch ($type) {
            case 'enable':
                if (false === UserModel::where('id', 'in', $ids)->setField('status', 1)) {
                    $this->error('启用失败');
                }
                break;
            case 'disable':
                if (false === UserModel::where('id', 'in', $ids)->setField('status', 0)) {
                    $this->error('禁用失败');
                }
                break;
            case 'delete':
                if (false === UserModel::where('id', 'in', $ids)->delete()) {
                    $this->error('删除失败');
                }
                break;
            default:
                $this->error('非法操作');
        }

        action_log('user_'.$type, 'admin_user', '', UID);

        $this->success('操作成功');
    }

    /**
     * 快速编辑
     * @param array $record 行为日志
     * @author 蔡伟明 <314013107@qq.com>
     * @return mixed
     */
    public function quickEdit($record = [])
    {
        $id      = input('post.pk', '');
        $id      == UID && $this->error('禁止操作当前账号');
        $field   = input('post.name', '');
        $value   = input('post.value', '');

        // 非超级管理员检查可操作的用户
        if (session('user_auth.role') != 1) {
            $role_list = RoleModel::getChildsId(session('user_auth.role'));
            $user_list = UserModel::where('role', 'in', $role_list)->column('id');
            if (!in_array($id, $user_list)) {
                $this->error('权限不足，没有可操作的用户');
            }
        }

        $config  = UserModel::where('id', $id)->value($field);
        $details = '字段(' . $field . ')，原值(' . $config . ')，新值：(' . $value . ')';
        return parent::quickEdit(['user_edit', 'admin_user', $id, UID, $details]);
    }
}