<?php

namespace yiiunit\framework\rbac;

use yii\rbac\Assignment;
use yii\rbac\Item;
use yiiunit\TestCase;

abstract class ManagerTestCase extends TestCase
{
    /** @var \yii\rbac\PhpManager|\yii\rbac\DbManager */
    protected $auth;

    public function testCreateItem()
    {
        $type = Item::TYPE_TASK;
        $name = 'editUser';
        $description = 'edit a user';
        $bizRule = 'checkUserIdentity()';
        $data = [1, 2, 3];
        $item = $this->auth->createItem($name, $type, $description, $bizRule, $data);
        $this->assertTrue($item instanceof Item);
        $this->assertEquals($item->type, $type);
        $this->assertEquals($item->name, $name);
        $this->assertEquals($item->description, $description);
        $this->assertEquals($item->bizRule, $bizRule);
        $this->assertEquals($item->data, $data);

        // test shortcut
        $name2 = 'createUser';
        $item2 = $this->auth->createRole($name2, $description, $bizRule, $data);
        $this->assertEquals($item2->type, Item::TYPE_ROLE);

        // test adding an item with the same name
        $this->setExpectedException('\yii\base\Exception');
        $this->auth->createItem($name, $type, $description, $bizRule, $data);
    }

    public function testGetItem()
    {
        $this->assertTrue($this->auth->getItem('readPost') instanceof Item);
        $this->assertTrue($this->auth->getItem('reader') instanceof Item);
        $this->assertNull($this->auth->getItem('unknown'));
    }

    public function testRemoveAuthItem()
    {
        $this->assertTrue($this->auth->getItem('updatePost') instanceof Item);
        $this->assertTrue($this->auth->removeItem('updatePost'));
        $this->assertNull($this->auth->getItem('updatePost'));
        $this->assertFalse($this->auth->removeItem('updatePost'));
    }

    public function testChangeItemName()
    {
        $item = $this->auth->getItem('readPost');
        $this->assertTrue($item instanceof Item);
        $this->assertTrue($this->auth->hasItemChild('reader', 'readPost'));
        $item->name = 'readPost2';
        $item->save();
        $this->assertNull($this->auth->getItem('readPost'));
        $this->assertEquals($this->auth->getItem('readPost2'), $item);
        $this->assertFalse($this->auth->hasItemChild('reader', 'readPost'));
        $this->assertTrue($this->auth->hasItemChild('reader', 'readPost2'));
    }

    public function testAddItemChild()
    {
        $this->auth->addItemChild('createPost', 'updatePost');

        // test adding upper level item to lower one
        $this->setExpectedException('\yii\base\Exception');
        $this->auth->addItemChild('readPost', 'reader');
    }

    public function testAddItemChild2()
    {
        // test adding inexistent items
        $this->setExpectedException('\yii\base\Exception');
        $this->assertFalse($this->auth->addItemChild('createPost2', 'updatePost'));
    }

    public function testRemoveItemChild()
    {
        $this->assertTrue($this->auth->hasItemChild('reader', 'readPost'));
        $this->assertTrue($this->auth->removeItemChild('reader', 'readPost'));
        $this->assertFalse($this->auth->hasItemChild('reader', 'readPost'));
        $this->assertFalse($this->auth->removeItemChild('reader', 'readPost'));
    }

    public function testGetItemChildren()
    {
        $this->assertEquals([], $this->auth->getItemChildren('readPost'));
        $children = $this->auth->getItemChildren('author');
        $this->assertEquals(3, count($children));
        $this->assertTrue(reset($children) instanceof Item);
    }

    public function testAssign()
    {
        $auth = $this->auth->assign('new user', 'createPost', 'rule', 'data');
        $this->assertTrue($auth instanceof Assignment);
        $this->assertEquals($auth->userId, 'new user');
        $this->assertEquals($auth->itemName, 'createPost');
        $this->assertEquals($auth->bizRule, 'rule');
        $this->assertEquals($auth->data, 'data');

        $this->setExpectedException('\yii\base\Exception');
        $this->auth->assign('new user', 'createPost2', 'rule', 'data');
    }

    public function testRevoke()
    {
        $this->assertTrue($this->auth->isAssigned('author B', 'author'));
        $auth = $this->auth->getAssignment('author B', 'author');
        $this->assertTrue($auth instanceof Assignment);
        $this->assertTrue($this->auth->revoke('author B', 'author'));
        $this->assertFalse($this->auth->isAssigned('author B', 'author'));
        $this->assertFalse($this->auth->revoke('author B', 'author'));
    }

    public function testRevokeAll()
    {
        $this->assertTrue($this->auth->revokeAll('reader E'));
        $this->assertFalse($this->auth->isAssigned('reader E', 'reader'));
    }

    public function testGetAssignments()
    {
        $this->auth->assign('author B', 'deletePost');
        $auths = $this->auth->getAssignments('author B');
        $this->assertEquals(2, count($auths));
        $this->assertTrue(reset($auths) instanceof Assignment);
    }

    public function testGetItems()
    {
        $this->assertEquals(count($this->auth->getRoles()), 4);
        $this->assertEquals(count($this->auth->getOperations()), 4);
        $this->assertEquals(count($this->auth->getTasks()), 1);
        $this->assertEquals(count($this->auth->getItems()), 9);

        $this->assertEquals(count($this->auth->getItems('author B', null)), 1);
        $this->assertEquals(count($this->auth->getItems('author C', null)), 0);
        $this->assertEquals(count($this->auth->getItems('author B', Item::TYPE_ROLE)), 1);
        $this->assertEquals(count($this->auth->getItems('author B', Item::TYPE_OPERATION)), 0);
    }

    public function testClearAll()
    {
        $this->auth->clearAll();
        $this->assertEquals(count($this->auth->getRoles()), 0);
        $this->assertEquals(count($this->auth->getOperations()), 0);
        $this->assertEquals(count($this->auth->getTasks()), 0);
        $this->assertEquals(count($this->auth->getItems()), 0);
        $this->assertEquals(count($this->auth->getAssignments('author B')), 0);
    }

    public function testClearAssignments()
    {
        $this->auth->clearAssignments();
        $this->assertEquals(count($this->auth->getAssignments('author B')), 0);
    }

    public function testDetectLoop()
    {
        $this->setExpectedException('\yii\base\Exception');
        $this->auth->addItemChild('readPost', 'readPost');
    }

    public function testExecuteBizRule()
    {
        $this->assertTrue($this->auth->executeBizRule(null, [], null));
        $this->assertTrue($this->auth->executeBizRule('return 1 == true;', [], null));
        $this->assertTrue($this->auth->executeBizRule('return $params[0] == $params[1];', [1, '1'], null));
        if (!defined('HHVM_VERSION')) { // invalid code crashes on HHVM
            $this->assertFalse($this->auth->executeBizRule('invalid;', [], null));
        }
    }

    public function testCheckAccess()
    {
        $results = [
            'reader A' => [
                'createPost' => false,
                'readPost' => true,
                'updatePost' => false,
                'updateOwnPost' => false,
                'deletePost' => false,
            ],
            'author B' => [
                'createPost' => true,
                'readPost' => true,
                'updatePost' => true,
                'updateOwnPost' => true,
                'deletePost' => false,
            ],
            'editor C' => [
                'createPost' => false,
                'readPost' => true,
                'updatePost' => true,
                'updateOwnPost' => false,
                'deletePost' => false,
            ],
            'admin D' => [
                'createPost' => true,
                'readPost' => true,
                'updatePost' => true,
                'updateOwnPost' => false,
                'deletePost' => true,
            ],
            'reader E' => [
                'createPost' => false,
                'readPost' => false,
                'updatePost' => false,
                'updateOwnPost' => false,
                'deletePost' => false,
            ],
        ];

        $params = ['authorID' => 'author B'];

        foreach (['reader A', 'author B', 'editor C', 'admin D'] as $user) {
            $params['userID'] = $user;
            foreach (['createPost', 'readPost', 'updatePost', 'updateOwnPost', 'deletePost'] as $operation) {
                $result = $this->auth->checkAccess($user, $operation, $params);
                $this->assertEquals($results[$user][$operation], $result);
            }
        }
    }

    protected function prepareData()
    {
        $this->auth->createOperation('createPost', 'create a post');
        $this->auth->createOperation('readPost', 'read a post');
        $this->auth->createOperation('updatePost', 'update a post');
        $this->auth->createOperation('deletePost', 'delete a post');

        $task = $this->auth->createTask('updateOwnPost', 'update a post by author himself', 'return $params["authorID"] == $params["userID"];');
        $task->addChild('updatePost');

        $role = $this->auth->createRole('reader');
        $role->addChild('readPost');

        $role = $this->auth->createRole('author');
        $role->addChild('reader');
        $role->addChild('createPost');
        $role->addChild('updateOwnPost');

        $role = $this->auth->createRole('editor');
        $role->addChild('reader');
        $role->addChild('updatePost');

        $role = $this->auth->createRole('admin');
        $role->addChild('editor');
        $role->addChild('author');
        $role->addChild('deletePost');

        $this->auth->assign('reader A', 'reader');
        $this->auth->assign('author B', 'author');
        $this->auth->assign('editor C', 'editor');
        $this->auth->assign('admin D', 'admin');
        $this->auth->assign('reader E', 'reader');
    }
}
