<?php
/**
 * Welcome Page Class
 *
 * Shows a feature overview for the new version (major) and credits.
 *
 * Adapted from code in EDD (Copyright (c) 2012, Pippin Williamson) and WP.
 *
 * @author    ThemeBoy
 * @category  Admin
 * @package   SportsPress/Admin
 * @version   2.6
*/

if ( ! defined( 'ABSPATH' ) ) exit; // Exit if accessed directly

/**
 * SP_Admin_Welcome class.
 */
class SP_Admin_Welcome {

  private $plugin;

  /**
   * __construct function.
   *
   * @access public
   * @return void
   */
  public function __construct() {
    $this->plugin             = 'sportspress/sportspress.php';

    add_action( 'admin_menu', array( $this, 'admin_menus') );
    add_action( 'admin_head', array( $this, 'admin_head' ) );
    add_action( 'admin_init', array( $this, 'welcome'    ) );
  }

  /**
   * Add admin menus/screens
   *
   * @access public
   * @return void
   */
  public function admin_menus() {
    if ( empty( $_GET['page'] ) ) {
      return;
    }

    $welcome_page_name  = __( 'About SportsPress', 'sportspress' );
    $welcome_page_title = __( 'Welcome to SportsPress', 'sportspress' );

    switch ( $_GET['page'] ) {
      case 'sp-about' :
        $page = add_dashboard_page( $welcome_page_title, $welcome_page_name, 'manage_options', 'sp-about', array( $this, 'about_screen' ) );
        add_action( 'admin_print_styles-'. $page, array( $this, 'admin_css' ) );
      break;
      case 'sp-credits' :
        $page = add_dashboard_page( $welcome_page_title, $welcome_page_name, 'manage_options', 'sp-credits', array( $this, 'credits_screen' ) );
        add_action( 'admin_print_styles-'. $page, array( $this, 'admin_css' ) );
      break;
      case 'sp-translators' :
        $page = add_dashboard_page( $welcome_page_title, $welcome_page_name, 'manage_options', 'sp-translators', array( $this, 'translators_screen' ) );
        add_action( 'admin_print_styles-'. $page, array( $this, 'admin_css' ) );
      break;
    }
  }

  /**
   * admin_css function.
   *
   * @access public
   * @return void
   */
  public function admin_css() {
    wp_enqueue_style( 'sportspress-activation', plugins_url(  '/assets/css/activation.css', SP_PLUGIN_FILE ), array(), SP_VERSION );
  }

  /**
   * Add styles just for this page, and remove dashboard page links.
   *
   * @access public
   * @return void
   */
  public function admin_head() {
    remove_submenu_page( 'index.php', 'sp-about' );
    remove_submenu_page( 'index.php', 'sp-credits' );
    remove_submenu_page( 'index.php', 'sp-translators' );
  }

  /**
   * Into text/links shown on all about pages.
   *
   * @access private
   * @return void
   */
  private function intro() {

    // Flush after upgrades
    if ( ! empty( $_GET['sp-updated'] ) || ! empty( $_GET['sp-installed'] ) )
      flush_rewrite_rules();

    // Get major version number
    $version = explode( '.', SP()->version, 3 );
    unset( $version[2] );
    $display_version = implode( '.', $version );
    ?>
    <h1 class="sp-welcome-logo"><?php echo apply_filters( 'sportspress_logo', '<img src="' . plugin_dir_url( SP_PLUGIN_FILE ) . 'assets/images/welcome/sportspress' . ( class_exists( 'SportsPress_Pro' ) ? '-pro' : '' ) . '.png" alt="' . __( 'SportsPress', 'sportspress' ) . '">' ); ?></h1>

    <div class="sp-badge"><?php printf( __( 'Version %s', 'sportspress' ), SP()->version ); ?></div>

    <div class="about-text sp-about-text">
      <?php
        if ( ! empty( $_GET['sp-installed'] ) )
          $message = __( 'Thanks, all done!', 'sportspress' );
        elseif ( ! empty( $_GET['sp-updated'] ) )
          $message = __( 'Thank you for updating to the latest version!', 'sportspress' );
        else
          $message = __( 'Thanks for installing!', 'sportspress' );

        printf( __( '%s SportsPress %s has lots of refinements we think you&#8217;ll love.', 'sportspress' ), $message, $display_version );
      ?>
    </div>

    <p class="sportspress-actions">
      <a href="<?php echo admin_url( add_query_arg( array( 'page' => 'sportspress', 'tab' => 'general' ), 'admin.php' ) ); ?>" class="button button-primary"><?php _e( 'Settings', 'sportspress' ); ?></a>
      <a href="<?php echo esc_url( apply_filters( 'sportspress_docs_url', 'http://tboy.co/docs', 'sportspress' ) ); ?>" class="docs button button-primary"><?php _e( 'Docs', 'sportspress' ); ?></a>
      <a href="https://twitter.com/share" class="twitter-share-button" data-url="http://wordpress.org/plugins/sportspress" data-text="An open-source (free) #WordPress plugin that helps you build professional league websites" data-via="ThemeBoy" data-size="large" data-hashtags="SportsPress">Tweet</a>
      <script>!function(d,s,id){var js,fjs=d.getElementsByTagName(s)[0];if(!d.getElementById(id)){js=d.createElement(s);js.id=id;js.src="//platform.twitter.com/widgets.js";fjs.parentNode.insertBefore(js,fjs);}}(document,"script","twitter-wjs");</script>
    </p>

    <h2 class="nav-tab-wrapper">
      <a class="nav-tab <?php if ( $_GET['page'] == 'sp-about' ) echo 'nav-tab-active'; ?>" href="<?php echo esc_url( admin_url( add_query_arg( array( 'page' => 'sp-about' ), 'index.php' ) ) ); ?>">
        <?php _e( 'Welcome', 'sportspress' ); ?>
      </a><a class="nav-tab <?php if ( $_GET['page'] == 'sp-credits' ) echo 'nav-tab-active'; ?>" href="<?php echo esc_url( admin_url( add_query_arg( array( 'page' => 'sp-credits' ), 'index.php' ) ) ); ?>">
        <?php _e( 'Credits', 'sportspress' ); ?>
      </a>
    </h2>
    <?php
  }

  /**
   * Output the about screen.
   */
  public function about_screen() {
    include_once( 'class-sp-admin-settings.php' );
    $class = 'chosen-select' . ( is_rtl() ? ' chosen-rtl' : '' );
    ?>
    <div class="wrap about-wrap about-sportspress-wrap">

      <?php $this->intro(); ?>

      <?php
      // Save settings
        if ( isset( $_POST['timezone_string'] ) ):
          update_option( 'timezone_string', $_POST['timezone_string'] );
        update_option( 'sportspress_basic_setup', 1 );
        endif;
      if ( isset( $_POST['sportspress_sport'] ) && ! empty( $_POST['sportspress_sport'] ) ):
        $sport = $_POST['sportspress_sport'];
        SP_Admin_Sports::apply_preset( $sport );
        update_option( 'sportspress_sport', $_POST['sportspress_sport'] );
          delete_option( '_sp_needs_welcome' );
          update_option( 'sportspress_installed', 1 );
        ?>
        <div id="message" class="updated sportspress-message">
          <p><strong><?php _e( 'Your settings have been saved.', 'sportspress' ); ?></strong></p>
        </div>
      <?php
      endif;
      if ( isset( $_POST['add_sample_data'] ) ):
        SP_Admin_Sample_Data::delete_posts();
        SP_Admin_Sample_Data::insert_posts();
      endif;

      do_action( 'sportspress_before_welcome_features' );
      ?>
      <div class="feature-section one-col">
        <div class="col">
          <h2>New Features 🌟</h2>
        </div>
      </div>

      <div class="feature-section three-col">
        <div class="col">
          <img src="<?php echo plugin_dir_url( SP_PLUGIN_FILE ); ?>assets/images/welcome/screenshot-conditional-equations.png" alt="Screenshot">
          <h3>Conditional Equations</h3>
          <p>Use the newly introduced conditional operators <strong>&gt;</strong>, <strong>&lt;</strong>, <strong>&equiv;</strong>, <strong>&ne;</strong>, <strong>&ge;</strong>, and <strong>&le;</strong> to calculate the relationship between variables, then insert that calculation into more complex equations. Visit the <a href="<?php echo add_query_arg( array( 'page' => 'sportspress-config' ), admin_url( 'admin.php' ) ); ?>">Configure</a> page to edit variables and equations.</p>
        </div>
        <div class="col">
          <img src="<?php echo plugin_dir_url( SP_PLUGIN_FILE ); ?>assets/images/welcome/screenshot-event-specs.png" alt="Screenshot">
          <h3>Event Specs</h3>
          <p>Measure and display additional details per event using the new <strong>Event Specs</strong> variables. They are customizable and can be useful for keeping track of information like player of the match, attendance, and venue weather.
        </div>
        <div class="col">
          <img src="<?php echo plugin_dir_url( SP_PLUGIN_FILE ); ?>assets/images/welcome/screenshot-next-team.png" alt="Screenshot">
          <h3>Next Team Column</h3>
          <p>Provide a quick overview of who each team is playing next using the new <strong>Next Team</strong> preset for <a href="<?php echo add_query_arg( array( 'post_type' => 'sp_column' ), admin_url( 'edit.php' ) ); ?>">league table columns</a>. This will automatically display the next team's name or logo that links to the next match for each team in the table.<p>
        </div>
      </div>

      <?php if ( ! class_exists( 'SportsPress_Pro' ) ) { ?>
      <hr>

      <div class="feature-section one-col">
        <div class="col">
          <h2>SportsPress Pro Updates 🏆</h2>
        </div>
      </div>

      <div class="feature-section three-col">
        <div class="col">
          <img src="<?php echo plugin_dir_url( SP_PLUGIN_FILE ); ?>assets/images/welcome/screenshot-results-matrix.png" alt="Results Matrix">
          <h3>Results Matrix</h3>
          <p>Display matches between home and away team in a grid. Create or select an existing calendar and select the <strong>Matrix</strong> layout to convert the calendar to an interactive results matrix!</p>
        </div>
        <div class="col">
          <img src="<?php echo plugin_dir_url( SP_PLUGIN_FILE ); ?>assets/images/welcome/screenshot-midseason-transfers.png" alt="Midseason Transfers">
          <h3>Midseason Transfers</h3>
          <p>Keep track of players that switched teams during a season by adding one or more extra rows to their statistics table. Display the team and partial statistics before and after the transfer.<p>
        </div>
        <div class="col">
          <img src="<?php echo plugin_dir_url( SP_PLUGIN_FILE ); ?>assets/images/welcome/screenshot-vertical-timelines.png" alt="Vertical Timelines">
          <h3>Vertical Timelines</h3>
          <p>Display a match commentary style play-by-play timeline within events. <a href="<?php echo esc_url( apply_filters( 'sportspress_pro_url', 'http://tboy.co/pro' ) ); ?>">Upgrade to SportsPress Pro</a> to get access to <strong>Timelines</strong> and other pro features.<p>
        </div>
      </div>

      <a class="button button-primary button-hero" href="<?php echo esc_url( apply_filters( 'sportspress_pro_url', 'http://tboy.co/pro' ) ); ?>"><?php _e( 'Upgrade to Pro', 'sportspress' ); ?></a>

      <p><?php _e( 'Get SportsPress Pro to get access to all modules. You can upgrade any time without losing any of your data.','sportspress' ); ?></p>
      <?php } ?>

      <hr>

      <div class="feature-section one-col">
        <div class="col">
          <h2>Player Data Improvements</h2>
        </div>
      </div>

      <div class="feature-section three-col">
        <div class="col">
          <h3>Player Assignments</h3>
          <p>Players will now be saved using a new data format that allows them to belong to multiple leagues, seasons, and teams and be accurately selected in <a href="<?php echo add_query_arg( array( 'post_type' => 'sp_list' ), admin_url( 'edit.php' ) ); ?>">player lists</a>.</p>
        </div>
        <div class="col">
          <h3>Current Team Column</h3>
          <p>The <strong>Team</strong> column in player lists will now display only the current team that player belongs to, determined by the <strong>Current Team</strong> setting of each player.</p>
        </div>
        <div class="col">
          <h3>Squad Number Zero</h3>
          <p>It's now possible to import players with the squad number <strong>0 (zero)</strong> or any other value that would previously be interpreted as empty.</p>
        </div>
      </div>

      <hr>

      <div class="feature-section one-col">
        <div class="col">
          <h2>Other Notes</h2>
        </div>
      </div>

      <div class="feature-section three-col">
        <div class="col">
          <h3>Countdown Images</h3>
          <p>A new option has been added to the <strong>Countdown</strong> widget, allowing you to display a featured image from the next event.</p>
        </div>
        <div class="col">
          <h3>Relative Date in Shortcodes</h3>
          <p>You'll now be able to select a relative date range when inserting calendar-related shortcodes from the visual editor.</p>
        </div>
        <div class="col">
          <h3>Short Names</h3>
          <p>Teams have been given a <strong>Short Name</strong> setting in addition to the existing <strong>Abbreviation</strong> for added customizability.</p>
        </div>
      </div>

      <?php do_action( 'sportspress_after_welcome_features' ); ?>

      <a href="<?php echo esc_url( admin_url( add_query_arg( array( 'page' => 'sportspress', 'tab' => 'general' ), 'admin.php' ) ) ); ?>"><?php _e( 'Go to SportsPress Settings', 'sportspress' ); ?></a>
    </div>
    <?php
  }

  /**
   * Output the credits.
   */
  public function credits_screen() {
    ?>
    <div class="wrap about-wrap about-sportspress-wrap">
      <?php $this->intro(); ?>
      
      <p class="about-description"><?php printf( __( 'SportsPress is developed and maintained by a worldwide team of passionate individuals and backed by an awesome developer community. Want to see your name? <a href="%s">Contribute to SportsPress</a>.', 'sportspress' ), 'https://github.com/ThemeBoy/SportsPress/blob/master/CONTRIBUTING.md' ); ?></p>

      <div class="sp-feature feature-section col one-col">
        <?php echo $this->contributors(); ?>
      </div>
    </div>
    <?php
  }

  /**
   * Output the translators screen
   */
  public function translators_screen() {
    ?>
    <div class="wrap about-wrap about-sportspress-wrap">

      <?php $this->intro(); ?>

      <p class="about-description"><?php printf( __( 'SportsPress has been kindly translated into several other languages thanks to our translation team. Want to see your name? <a href="%s">Translate SportsPress</a>.', 'sportspress' ), 'https://translate.wordpress.org/projects/wp-plugins/sportspress' ); ?></p>
    </div>
    <?php
  }

  /**
   * Render Contributors List
   *
   * @access public
   * @return string $contributor_list HTML formatted list of contributors.
   */
  public function contributors() {
    $contributors = $this->get_contributors();

    if ( empty( $contributors ) ) {
      return '';
    }

    $contributor_list = '<ul class="wp-people-group">';

    foreach ( $contributors as $contributor ) {
      $contributor_list .= '<li class="wp-person">';
      $contributor_list .= sprintf( '<a href="%s" title="%s">',
        esc_url( 'https://github.com/' . $contributor->login ),
        esc_html( sprintf( __( 'View %s', 'sportspress' ), $contributor->login ) )
      );
      $contributor_list .= sprintf( '<img src="%s" width="64" height="64" class="gravatar" alt="%s" />', esc_url( $contributor->avatar_url ), esc_html( $contributor->login ) );
      $contributor_list .= '</a>';
      $contributor_list .= sprintf( '<a class="web" href="%s">%s</a>', esc_url( 'https://github.com/' . $contributor->login ), esc_html( $contributor->login ) );
      $contributor_list .= '</a>';
      $contributor_list .= '</li>';
    }

    $contributor_list .= '</ul>';

    return $contributor_list;
  }

  /**
   * Retrieve list of contributors from GitHub.
   *
   * @access public
   * @return mixed
   */
  public function get_contributors() {
    $contributors = get_transient( 'sportspress_contributors' );

    if ( false !== $contributors ) {
      return $contributors;
    }

    $response = wp_remote_get( 'https://api.github.com/repos/ThemeBoy/SportsPress/contributors', array( 'sslverify' => false ) );

    if ( is_wp_error( $response ) || 200 != wp_remote_retrieve_response_code( $response ) ) {
      return array();
    }

    $contributors = json_decode( wp_remote_retrieve_body( $response ) );

    if ( ! is_array( $contributors ) ) {
      return array();
    }

    set_transient( 'sportspress_contributors', $contributors, HOUR_IN_SECONDS );

    return $contributors;
  }

  /**
   * Sends user to the welcome page on first activation
   */
  public function welcome() {

    // Bail if no activation redirect transient is set
      if ( ! get_transient( '_sp_activation_redirect' ) )
      return;

    // Delete the redirect transient
    delete_transient( '_sp_activation_redirect' );

    // Bail if we are waiting to install or update via the interface update/install links
    if ( get_option( '_sp_needs_update' ) == 1 || get_option( '_sp_needs_pages' ) == 1 )
      return;

    // Bail if activating from network, or bulk, or within an iFrame
    if ( is_network_admin() || isset( $_GET['activate-multi'] ) || defined( 'IFRAME_REQUEST' ) )
      return;

    if ( ( isset( $_GET['action'] ) && 'upgrade-plugin' == $_GET['action'] ) && ( isset( $_GET['plugin'] ) && strstr( $_GET['plugin'], 'sportspress.php' ) ) )
      return;

    if ( ! get_option( 'sportspress_completed_setup' ) ) {
      wp_redirect( admin_url( 'admin.php?page=sp-setup' ) );
      exit;
    }

    wp_redirect( admin_url( 'index.php?page=sp-about' ) );
    exit;
  }
}

new SP_Admin_Welcome();
