<?php

require_once ADPLUGG_INCLUDES . 'admin/notices/class-adplugg-notice.php';
require_once ADPLUGG_INCLUDES . 'admin/notices/class-adplugg-notice-controller.php';
require_once ADPLUGG_INCLUDES . 'admin/class-adplugg-admin.php';

/**
 * The Test_AdPlugg_Admin class includes tests for testing the AdPlugg_Admin class.
 *
 * @package AdPlugg
 * @since 1.1.16
 */
class Test_AdPlugg_Admin extends WP_UnitTestCase {

	/**
	 * Test the constructor
	 */
	public function test_constructor() {
		$adplugg_admin = new AdPlugg_Admin();

		global $wp_filter;

		//Assert that the settings link is registered.
		$function_names = get_function_names(
			$wp_filter[ 'plugin_action_links_' . ADPLUGG_BASENAME ]
		);
		$this->assertContains( 'add_settings_link_to_plugin_listing', $function_names );

		//Assert that the admin_footer_text filter is registered
		$function_names = get_function_names( $wp_filter['admin_footer_text'] );
		$this->assertContains( 'admin_footer_text', $function_names );

		//Assert that the init function is registered.
		$function_names = get_function_names( $wp_filter['admin_init'] );
		$this->assertContains( 'admin_init', $function_names );

		//Assert that the adplugg_rated function is registered.
		$function_names = get_function_names( $wp_filter['wp_ajax_adplugg_rated'] );
		$this->assertContains( 'rated_callback', $function_names );
	}

	/**
	 * Test the add_settings_link_to_plugin_listing function.
	 */
	public function test_add_settings_link_to_plugin_listing() {
		$links         = array();
		$adplugg_admin = new AdPlugg_Admin();
		$links         = $adplugg_admin->add_settings_link_to_plugin_listing( $links );

		$this->assertEquals( count( $links ), 1 );
	}

	/**
	 * Test the admin_init function.
	 */
	public function test_admin_init() {
		$adplugg_admin = new AdPlugg_Admin();

		//Set the version to something old/incorrect
		$options            = get_option( ADPLUGG_OPTIONS_NAME, array() );
		$options['version'] = 'old_version';
		update_option( ADPLUGG_OPTIONS_NAME, $options );

		//Run the function.
		$adplugg_admin->admin_init();

		//Assert that the version was updated
		$new_options = get_option( ADPLUGG_OPTIONS_NAME, array() );
		$this->assertEquals( $new_options['version'], ADPLUGG_VERSION );

		//Assert that a notice of the upgrade was registered.
		$adplugg_notice_controller = new AdPlugg_Notice_Controller();
		ob_start();
		$adplugg_notice_controller->admin_notices();
		$outbound = ob_get_contents();
		ob_end_clean();
		$this->assertContains( 'Upgraded version from', $outbound );

		//Assert that the expected stylesheets are registered
		global $wp_styles;
		$this->assertContains( 'adplugg-admin', serialize( $wp_styles ) );
		$this->assertContains( 'adplugg-wp-font', serialize( $wp_styles ) );

		//Assert that the admin script is registered
		global $wp_scripts;
		$this->assertContains( 'adplugg-admin', serialize( $wp_scripts ) );
	}

	/**
	 * Test the admin_footer_text function when the plugin hasn't yet been
	 * rated.
	 */
	public function test_admin_footer_text_when_not_yet_rated() {
		global $current_screen;

		//Load the AdPlugg_Admin
		$adplugg_admin = new AdPlugg_Admin();

		//Install an access_code
		$options['access_code'] = 'test';
		update_option( ADPLUGG_OPTIONS_NAME, $options );

		//Set the current screen to our settings page.
		$current_screen = WP_Screen::get( 'toplevel_page_adplugg' );

		//Get the footer text
		$footer_text = apply_filters( 'admin_footer_text', 'foo' );

		//Assert that our 'rate us' text is in the footer text
		$this->assertContains( 'If you like', $footer_text );
	}

	/**
	 * Test the admin_footer_text function when the plugin has already been
	 * rated.
	 */
	public function test_admin_footer_text_when_already_rated() {
		global $current_screen;

		//Load the AdPlugg_Admin
		$adplugg_admin = new AdPlugg_Admin();

		//Install an access_code
		$options['access_code'] = 'test';
		update_option( ADPLUGG_OPTIONS_NAME, $options );

		//Set the rated flag
		update_option( ADPLUGG_RATED_NAME, 1 );

		//Set the current screen to our settings page.
		$current_screen = WP_Screen::get( 'toplevel_page_adplugg' );

		//Get the footer text
		$footer_text = apply_filters( 'admin_footer_text', 'foo' );

		//Assert that our 'rate us' text is in the footer text
		$this->assertContains( 'Thank you for using AdPlugg', $footer_text );
	}

	/**
	 * Test the set_notice_pref_callback function.
	 */
	public function test_rated_callback() {
		$adplugg_admin = new AdPlugg_Admin();

		//Get the rated value
		$rated = get_option( ADPLUGG_RATED_NAME );

		//Assert that rated is not set
		$this->assertEquals( 0, $rated );

		//Call the function
		try {
			$adplugg_admin->rated_callback();
		} catch ( WPDieException $ex ) {
			//
		}

		//Get the rated value again
		$rated = get_option( ADPLUGG_RATED_NAME );

		//Assert that rated is now 1
		$this->assertEquals( 1, $rated );
	}

	 /**
	 * Test the uninstall function.
	 */
	public function test_uninstall() {
		$adplugg_admin = new AdPlugg_Admin();

		//init the plugin so that we can then uninstall it
		$adplugg_admin->admin_init();

		//assert that there are options
		$options = get_option( ADPLUGG_OPTIONS_NAME, array() );
		$this->assertNotEmpty( $options );

		//uninstall the plugin
		$adplugg_admin->uninstall();

		//assert that the options are now empty
		$options_new = get_option( ADPLUGG_OPTIONS_NAME, array() );
		$this->assertEmpty( $options_new );
	}

}