<?php
/**
 * Basic shortcode
 *
 * @param $atts
 * @param $content
 * @return string*
 */
function affcoups_add_shortcode( $atts, $content ) {
    extract( shortcode_atts(array(
        'id' => null,
        'category' => null,
        'type' => null,
        'vendor' => null,
        'max' => null,
        'grid' => null,
        'hide_expired' => null,
        'template' => null,
        'order' => null,
        'orderby' => null
    ), $atts ) );

    global $affcoups_shortcode_atts;

    $affcoups_shortcode_atts = $atts;

    // Prepare options
    $options = affcoups_get_options();

    // Defaults
    $args = array(
        'posts_per_page' => -1,
        'orderby' => 'name',
        'order' => 'ASC'
    );

    //-- Max
    $args['posts_per_page'] = ( ! empty ( $max ) && is_numeric( $max ) ) ? intval( $max ) : '-1';

    //-- Order
    if ( ! empty ( $order ) ) {
        $args['affcoups_order'] = esc_html( $order );
    } else {
        $args['affcoups_order'] = ( ! empty( $options['order'] ) ) ? esc_html( $options['order'] ) : 'desc';
    }

    if ( ! empty ( $orderby ) ) {
        $args['affcoups_orderby'] = esc_attr($orderby);
    } else {
        $args['affcoups_orderby'] = ( ! empty( $options['orderby'] ) ) ? esc_html( $options['orderby'] ) : 'date';
    }

    //-- ID
    if ( ! empty( $id ) ) {
        $args['affcoups_coupon_id'] = esc_html( $id );
    }

    //-- Category
    if ( ! empty ( $category ) ) {
        $args['affcoups_coupon_category'] = esc_html( $category );
    }

    //-- Type
    if ( ! empty ( $type ) ) {
        $args['affcoups_coupon_type'] = esc_html( $type );
    }

    //-- Vendor
    if ( ! empty ( $vendor ) ) {
        $args['affcoups_coupon_vendor'] = esc_html( $vendor );
    }

    //-- Expiration
    if ( ! empty( $hide_expired ) ) {
        $args['affcoups_coupon_hide_expired'] = ( 'true' == $hide_expired ) ? true : false;
    } else {
        $args['affcoups_coupon_hide_expired'] = ( isset ( $options['hide_expired_coupons'] ) && $options['hide_expired_coupons'] == '1' ) ? true : false;
    }

    //affcoups_debug( $args );

    //-- Get coupons
    $coupons = affcoups_get_coupons( $args );

    //affcoups_debug( $coupons );

    ob_start();

    if ( $coupons->have_posts() ) {

        //echo 'Coupons found: ' . $coupons->post_count . '<br>';

        // Template: Setup
        if ( ! empty( $grid ) && is_numeric( $grid ) && empty( $template ) )
            $template = 'grid';

        // Template: Variables
        if ( ! empty( $template ) && 'grid' === $template && ( empty( $grid ) || ! is_numeric( $grid ) ) )
            $grid = ( ! empty( $options['grid_size'] ) ) ? esc_html( $options['grid_size'] ) : 3;

        // Template: Fallback
        if ( empty( $template ) )
            $template = ( ! empty( $options['template'] ) ) ? esc_html( $options['template'] ) : 'grid';

        if ( 'grid' === $template && ( empty( $grid ) || ! is_numeric( $grid ) ) )
            $grid = ( ! empty( $options['grid_size'] ) ) ? esc_html( $options['grid_size'] ) : 2;

        //echo 'Grid: ' . $grid . '<br>';
        //echo 'Template: ' . $template . '<br>';

        // Get template file
        $file = affcoups_get_template_file( $template, 'coupons' );

        // Load template
        if ( file_exists( $file ) ) {
            include( $file );
        } else {
            _e('Template not found.', 'affiliate-coupons');
        }

    } else {
        _e('No coupons found.', 'affiliate-coupons');
    }

    $str = ob_get_clean();

    // Return output
    return $str;
}
add_shortcode('affcoups', 'affcoups_add_shortcode');

/**
 * Fallback for old shortcode
 */
add_shortcode('affcoups_coupons', 'affcoups_add_shortcode');

/*
 * Debug
 */
add_shortcode('affcoups_debug', function( $atts ) {

    $args = array(
        'affcoups_coupon_id' => array( 312, 314 )
    );

    $posts = affcoups_get_coupons( $args );

    affcoups_debug( $posts );
});