<?php

// HOME URL
// USAGE: replace references to the blog home url such as:
// - get_option('home')
// - bloginfo('home')
// - bloginfo('url')
// - get_bloginfo('url')
// - etc...
// with wpml_get_home_url()
// * IMPORTANT: Most themes also add a trailing slash (/) to the URL. This function already includes it, so don't add the slash when using it.
function wpml_get_home_url() {
	if ( function_exists( 'icl_get_home_url' ) ) {
		return icl_get_home_url();
	} else {
		return rtrim( get_bloginfo( 'url' ), '/' ) . '/';
	}
}



// LANGUAGE SELECTOR
// USAGE place this on the single.php, page.php, index.php etc... - inside the loop
// function wpml_content_languages($args)
// args: skip_missing, before, after
// defaults: skip_missing = 1, before =  __('This post is also available in: '), after = ''
function wpml_content_languages( $args = '' ) {
	$before          = null;
	$after           = null;
	$languages_items = array();

	parse_str( $args, $params );
	if ( array_key_exists( 'before', $params ) ) {
		$before = $params['before'];
	}
	if ( array_key_exists( 'after', $params ) ) {
		$after = $params['after'];
	}

	if ( function_exists( 'icl_get_languages' ) ) {
		$languages = icl_get_languages( $args );
		if ( 1 < count( $languages ) ) {
			echo isset( $before ) ? esc_html( $before ) : esc_html__( 'This post is also available in: ', 'sitepress' );
			foreach ( $languages as $l ) {
				if ( ! $l['active'] ) {
					$languages_items[] = '<a href="' . $l['url'] . '">' . $l['translated_name'] . '</a>';
				}
			}
			echo join( ', ', $languages_items );
			echo isset( $after ) ? esc_html( $after ) : '';
		}
	}
}


// LINKS TO SPECIFIC ELEMENTS
// USAGE
// args: $element_id, $element_type='post', $link_text='', $optional_parameters=array(), $anchor='', $echoit = true
function wpml_link_to_element( $element_id, $element_type = 'post', $link_text = '', $optional_parameters = array(), $anchor = '', $echoit = true ) {
	if ( ! function_exists( 'icl_link_to_element' ) ) {
		switch ( $element_type ) {
			case 'post':
			case 'page':
				$ret = '<a href="' . esc_url( get_permalink( $element_id ) ) . '">';
				if ( $anchor ) {
					$ret .= esc_html( $anchor );
				} else {
					$ret .= esc_html( get_the_title( $element_id ) );
				}
				$ret .= '<a>';
				break;
			case 'tag':
			case 'post_tag':
				$tag = get_term_by( 'id', $element_id, 'tag', ARRAY_A );
				$ret = '<a href="' . esc_url( get_tag_link( $element_id ) ) . '">' . esc_html( $tag->name ) . '</a>';
				break;
			case 'category':
				$ret = '<a href="' . esc_url( get_tag_link( $element_id ) ) . '">' . esc_html( get_the_category_by_ID( $element_id ) ) . '</a>';
				break;
			default:
				$ret = '';
		}
		if ( $echoit ) {
			echo $ret;
		} else {
			return $ret;
		}
	} else {
		return icl_link_to_element( $element_id, $element_type, $link_text, $optional_parameters, $anchor, $echoit );
	}
}

// Languages links to display in the footer
//
function wpml_languages_list( $skip_missing = 0, $div_id = 'footer_language_list' ) {
	if ( function_exists( 'icl_get_languages' ) ) {
		$languages = icl_get_languages( 'skip_missing=' . intval( $skip_missing ) );
		if ( ! empty( $languages ) ) {
			echo '<div id="' . esc_attr( $div_id ) . '"><ul>';
			foreach ( $languages as $l ) {
				echo '<li>';
				if ( ! $l['active'] ) {
					echo '<a href="' . esc_url( $l['url'] ) . '">';
				}
				echo '<img src="' . esc_url( $l['country_flag_url'] ) . '" alt="' . esc_attr( $l['language_code'] ) . '" />';
				if ( ! $l['active'] ) {
					echo '</a>';
				}
				if ( ! $l['active'] ) {
					echo '<a href="' . esc_url( $l['url'] ) . '">';
				}
				echo $l['native_name'];
				if ( ! $l['active'] ) {
					echo ' (' . esc_attr( $l['translated_name'] ) . ')';
				}
				if ( ! $l['active'] ) {
					echo '</a>';
				}
				echo '</li>';
			}
			echo '</ul></div>';
		}
	}
}

function wpml_languages_selector() {
	do_action( 'icl_language_selector' );
}

function wpml_t( $context, $name, $original_value ) {
	if ( function_exists( 'icl_t' ) ) {
		return icl_t( $context, $name, $original_value );
	} else {
		return $original_value;
	}
}

function wpml_register_string( $context, $name, $value ) {
	if ( function_exists( 'icl_register_string' ) && trim( $value ) ) {
		icl_register_string( $context, $name, $value );
	}
}

function wpml_get_object_id( $element_id, $element_type = 'post', $return_original_if_missing = false, $ulanguage_code = null ) {
	if ( function_exists( 'icl_object_id' ) ) {
		return icl_object_id( $element_id, $element_type, $return_original_if_missing, $ulanguage_code );
	} else {
		return $element_id;
	}
}

function wpml_default_link( $anchor ) {
	global $sitepress;
	$qv = false;

	if ( is_single() ) {
		$qv = 'p=' . get_the_ID();
	} elseif ( is_page() ) {
		$qv = 'page_id=' . get_the_ID();
	} elseif ( is_tag() ) {
		$tag = &get_term( intval( get_query_var( 'tag_id' ) ), 'post_tag', OBJECT, 'display' );
		$qv  = 'tag=' . $tag->slug;
	} elseif ( is_category() ) {
		$qv = 'cat=' . get_query_var( 'cat' );
	} elseif ( is_year() ) {
		$qv = 'year=' . get_query_var( 'year' );
	} elseif ( is_month() ) {
		$qv = 'm=' . get_query_var( 'year' ) . sprintf( '%02d', get_query_var( 'monthnum' ) );
	} elseif ( is_day() ) {
		$qv = 'm=' . get_query_var( 'year' ) . sprintf( '%02d', get_query_var( 'monthnum' ) ) . sprintf( '%02d', get_query_var( 'day' ) );
	} elseif ( is_search() ) {
		$qv = 's=' . get_query_var( 's' );
	} elseif ( is_tax() ) {
		$qv = get_query_var( 'taxonomy' ) . '=' . get_query_var( 'term' );
	}

	if ( false !== strpos( wpml_get_home_url(), '?' ) ) {
		$url_glue = '&';
	} else {
		$url_glue = '?';
	}

	if ( $qv ) {
		$link = '<a href="' . $sitepress->language_url( $sitepress->get_default_language() ) . $url_glue . $qv . '" rel="nofollow">' . esc_html( $anchor ) . '</a>';
	} else {
		$link = '';
	}

	return $link;
}