<?php

namespace SilverStripe\Forms\Tests\HTMLEditor;

use Exception;
use SilverStripe\Control\Director;
use SilverStripe\Control\SimpleResourceURLGenerator;
use SilverStripe\Core\Config\Config;
use SilverStripe\Core\Convert;
use SilverStripe\Core\Injector\Injector;
use SilverStripe\Core\Manifest\ModuleLoader;
use SilverStripe\Core\Manifest\ModuleManifest;
use SilverStripe\Core\Manifest\ResourceURLGenerator;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Forms\HTMLEditor\HTMLEditorConfig;
use SilverStripe\Forms\HTMLEditor\TinyMCEConfig;

class HTMLEditorConfigTest extends SapphireTest
{

    protected function setUp(): void
    {
        parent::setUp();

        TinyMCEConfig::config()->set('base_dir', 'test/thirdparty/tinymce');
    }

    public function testEnablePluginsByString()
    {
        $c = new TinyMCEConfig();
        $c->enablePlugins('plugin1');
        $this->assertContains('plugin1', array_keys($c->getPlugins() ?? []));
    }

    public function testEnablePluginsByArray()
    {
        $c = new TinyMCEConfig();
        $c->enablePlugins(['plugin1', 'plugin2']);
        $this->assertContains('plugin1', array_keys($c->getPlugins() ?? []));
        $this->assertContains('plugin2', array_keys($c->getPlugins() ?? []));
    }

    public function testEnablePluginsByMultipleStringParameters()
    {
        $c = new TinyMCEConfig();
        $c->enablePlugins('plugin1', 'plugin2');
        $this->assertContains('plugin1', array_keys($c->getPlugins() ?? []));
        $this->assertContains('plugin2', array_keys($c->getPlugins() ?? []));
    }

    public function testEnablePluginsByArrayWithPaths()
    {
        // Disable nonces
        $urlGenerator = new SimpleResourceURLGenerator();
        Injector::inst()->registerService($urlGenerator, ResourceURLGenerator::class);

        Config::modify()->set(Director::class, 'alternate_base_url', 'http://mysite.com/subdir');
        $c = new TinyMCEConfig();
        $c->setTheme('modern');
        $c->setOption('language', 'es');
        $c->disablePlugins('table', 'emoticons', 'code', 'link', 'importcss', 'lists', 'autolink', 'searchreplace', 'visualblocks', 'wordcount');
        $c->enablePlugins(
            [
                'plugin1' => 'mypath/plugin1.js',
                'plugin2' => '/anotherbase/mypath/plugin2.js',
                'plugin3' => 'https://www.google.com/plugin.js',
                'plugin4' => null,
                'plugin5' => null,
            ]
        );
        $attributes = $c->getAttributes();
        $config = json_decode($attributes['data-config'] ?? '', true);
        $plugins = $config['external_plugins'];
        $this->assertNotEmpty($plugins);

        // Plugin specified via relative url
        $this->assertContains('plugin1', array_keys($plugins ?? []));
        $this->assertEquals(
            'http://mysite.com/subdir/mypath/plugin1.js',
            $plugins['plugin1']
        );

        // Plugin specified via root-relative url
        $this->assertContains('plugin2', array_keys($plugins ?? []));
        $this->assertEquals(
            'http://mysite.com/anotherbase/mypath/plugin2.js',
            $plugins['plugin2']
        );

        // Plugin specified with absolute url
        $this->assertContains('plugin3', array_keys($plugins ?? []));
        $this->assertEquals(
            'https://www.google.com/plugin.js',
            $plugins['plugin3']
        );

        // Plugin specified with standard location
        $this->assertContains('plugin4', array_keys($plugins ?? []));
        $this->assertEquals(
            '/subdir/test/thirdparty/tinymce/plugins/plugin4/plugin.min.js',
            $plugins['plugin4']
        );

        // Check that internal plugins are extractable separately
        $this->assertEquals(['plugin4', 'plugin5'], $c->getInternalPlugins());
    }

    public function testDisablePluginsByString()
    {
        $c = new TinyMCEConfig();
        $c->enablePlugins('plugin1');
        $c->disablePlugins('plugin1');
        $this->assertNotContains('plugin1', array_keys($c->getPlugins() ?? []));
    }

    public function testDisablePluginsByArray()
    {
        $c = new TinyMCEConfig();
        $c->enablePlugins(['plugin1', 'plugin2']);
        $c->disablePlugins(['plugin1', 'plugin2']);
        $this->assertNotContains('plugin1', array_keys($c->getPlugins() ?? []));
        $this->assertNotContains('plugin2', array_keys($c->getPlugins() ?? []));
    }

    public function testDisablePluginsByMultipleStringParameters()
    {
        $c = new TinyMCEConfig();
        $c->enablePlugins('plugin1', 'plugin2');
        $c->disablePlugins('plugin1', 'plugin2');
        $this->assertNotContains('plugin1', array_keys($c->getPlugins() ?? []));
        $this->assertNotContains('plugin2', array_keys($c->getPlugins() ?? []));
    }

    public function testDisablePluginsByArrayWithPaths()
    {
        $c = new TinyMCEConfig();
        $c->enablePlugins(['plugin1' => '/mypath/plugin1', 'plugin2' => '/mypath/plugin2']);
        $c->disablePlugins(['plugin1', 'plugin2']);
        $plugins = $c->getPlugins();
        $this->assertNotContains('plugin1', array_keys($plugins ?? []));
        $this->assertNotContains('plugin2', array_keys($plugins ?? []));
    }

    public function testRequireJSIncludesAllConfigs()
    {
        $a = HTMLEditorConfig::get('configA');
        $c = HTMLEditorConfig::get('configB');

        $aAttributes = $a->getAttributes();
        $cAttributes = $c->getAttributes();

        $this->assertNotEmpty($aAttributes['data-config']);
        $this->assertNotEmpty($cAttributes['data-config']);
    }

    public function testExceptionThrownWhenBaseDirAbsent()
    {
        TinyMCEConfig::config()->remove('base_dir');
        ModuleLoader::inst()->pushManifest(new ModuleManifest(__DIR__));

        try {
            $config = new TinyMCEConfig();
            $this->expectException(Exception::class);
            $this->expectExceptionMessageMatches('/module is not installed/');
            $config->getScriptURL();
        } finally {
            ModuleLoader::inst()->popManifest();
        }
    }
}