<?php
/**
 * Code Embed Options
 *
 * Allow the user to change the default options
 *
 * @package  simple-embed-code
 *
 * @uses ce_help             Return help text
 */

?>
<div class="wrap">
<h1><?php echo esc_html( ucwords( __( 'Code Embed options', 'simple-embed-code' ) ) ); ?></h1>
<?php

// If options have been updated on screen, update the database.

if ( ( ! empty( $_POST ) ) && ( check_admin_referer( 'code-embed-profile', 'code_embed_profile_nonce' ) ) ) { // Input var okay.

	// Update the options array from the form fields. Strip invalid tags.

	if ( ! empty( $_POST['code_embed_opening'] ) ) {
		$options['opening_ident'] = strtoupper( trim( sanitize_text_field( wp_unslash( $_POST['code_embed_opening'] ) ) ) ); // Input var okay.
	} else {
		$options['opening_ident'] = '{{';
	}

	if ( ! empty( $_POST['code_embed_keyword'] ) ) {
		$options['keyword_ident'] = strtoupper( trim( sanitize_text_field( wp_unslash( $_POST['code_embed_keyword'] ) ) ) ); // Input var okay.
	} else {
		$options['keyword_ident'] = 'CODE';
	}

	if ( ! empty( $_POST['code_embed_closing'] ) ) {
		$options['closing_ident'] = strtoupper( trim( sanitize_text_field( wp_unslash( $_POST['code_embed_closing'] ) ) ) ); // Input var okay.
	} else {
		$options['closing_ident'] = '}}';
	}

	if ( isset( $_POST['code_embed_excerpt'] ) ) {
		$options['excerpt'] = sanitize_text_field( wp_unslash( $_POST['code_embed_excerpt'] ) ); // Input var okay.
	} else {
		$options['excerpt'] = '';
	}

	update_option( 'artiss_code_embed', $options );

	echo '<div class="updated fade"><p><strong>' . esc_html( __( 'Settings saved.', 'simple-embed-code' ) ) . "</strong></p></div>\n";
}

// Fetch options into an array.

$options = get_option( 'artiss_code_embed' );
?>

<form method="post" action="<?php echo esc_url( get_bloginfo( 'wpurl' ) ) . '/wp-admin/options-general.php?page=ce-options'; ?>">

<table class="form-table">

<tr>
<th scope="row"><label for="code_embed_excerpt"><?php echo esc_html( ucwords( __( 'Allow in excerpts', 'simple-embed-code' ) ) ); ?></label></th>
<td><input type="checkbox" name="code_embed_excerpt" value="1"
<?php checked( '1', $options['excerpt'] ); ?>
/><?php esc_html_e( 'Allow embedded code to be shown in excerpts', 'simple-embed-code' ); ?></td>
</tr>

</table>

<?php echo '<h3>' . esc_html( ucwords( __( 'Identifier format', 'simple-embed-code' ) ) ) . '</h3>' . esc_html__( 'Specify the format that will be used to define the way the code is embedded in your post. The formats are case insensitive and characters &lt; &gt [ ] are invalid.', 'simple-embed-code' ); ?>

<table class="form-table">

<tr>
<th scope="row"><label for="code_embed_keyword"><?php echo esc_html( ucwords( __( 'Keyword', 'simple-embed-code' ) ) ); ?></label></th>
<td><input type="text" size="12" maxlength="12" name="code_embed_keyword" value="<?php echo esc_attr( $options['keyword_ident'] ); ?>"/><p class="description"><?php esc_html_e( 'The keyword that is used to name the custom field and then place in your post where the code should be embedded. A suffix on any type can then be placed on the end.', 'simple-embed-code' ); ?></p></td>
</tr>

<tr>
<th scope="row"><label for="code_embed_opening"><?php echo esc_html( ucwords( __( 'Opening Identifier', 'simple-embed-code' ) ) ); ?></label></th>
<td><input type="text" size="4" maxlength="4" name="code_embed_opening" value="<?php echo esc_attr( $options['opening_ident'] ); ?>"/><p class="description"><?php esc_html_e( 'The character(s) that must be placed in the post before the keyword to uniquely identify it.', 'simple-embed-code' ); ?></p></td>
</tr>

<tr>
<th scope="row"><label for="code_embed_closing"><?php echo esc_html( ucwords( __( 'Closing Identifier', 'simple-embed-code' ) ) ); ?></label></th>
<td><input type="text" size="4" maxlength="4" name="code_embed_closing" value="<?php echo esc_attr( $options['closing_ident'] ); ?>"/><p class="description"><?php esc_html_e( 'The character(s) that must be placed in the post after the keyword to uniquely identify it.', 'simple-embed-code' ); ?></p></td>
</tr>

</table>

<?php wp_nonce_field( 'code-embed-profile', 'code_embed_profile_nonce', true, true ); ?>

<br/><input type="submit" name="Submit" class="button-primary" value="<?php echo esc_attr( ucwords( __( 'Save changes', 'simple-embed-code' ) ) ); ?>"/>

</form>

<?php

// How to embed.

echo '<br/><h3>' . esc_html( ucwords( __( 'How to embed', 'simple-embed-code' ) ) ) . "</h3>\n";

/* translators: %1$s: example of custom field key value to use based on current settings, %2$s: details of key used in example */
echo '<p>' . sprintf( esc_html__( 'Based upon your current settings to embed some code simply add a custom field named %1$s, where %2$s is any suffix you wish. The code to embed is then added as the field value.', 'simple-embed-code' ), '<strong>' . esc_html( $options['keyword_ident'] ) . 'x</strong>', '<strong>x</strong>' ) . "\n";

/* translators: %1$s: example of how to embed code in a post based on current settings, %2$s: details of key used in example */
echo ' ' . sprintf( esc_html__( 'Then, to add the code into your post simple add %1$s where you wish it to appear. %2$s is the suffix you used for the custom field name.', 'simple-embed-code' ), '<strong>' . esc_html( $options['opening_ident'] ) . esc_html( $options['keyword_ident'] ) . 'x' . esc_html( $options['closing_ident'] ) . '</strong>', '<strong>x</strong>' ) . "</p>\n";

/* translators: %1$s: another example of adding a custom field, %2$s: another example of adding embed to a post */
echo '<p>' . sprintf( esc_html__( 'For example, I may add a custom field named %1$s, where the value is the code I wish to embed. I would then in my post add %2$s where I wish the code to then appear.', 'simple-embed-code' ), '<strong>' . esc_html( $options['keyword_ident'] ) . '1</strong>', '<strong>' . esc_html( $options['opening_ident'] ) . esc_html( $options['keyword_ident'] ) . '1' . esc_html( $options['closing_ident'] ) . '</strong>' ) . "</p>\n";

/* translators: %1$s: example embedding for responsive layout , %2$s: details of key used in example */
echo '<p>' . sprintf( esc_html__( 'To embed the same code but to make it responsive you would use %1$s. To set a maximum width you would use %2$s, where %3$s is the maximum width in pixels.', 'simple-embed-code' ), '<strong>' . esc_html( $options['opening_ident'] ) . esc_html( $options['keyword_ident'] ) . 'x_RES' . esc_html( $options['closing_ident'] ) . '</strong>', '<strong>' . esc_html( $options['opening_ident'] ) . esc_html( $options['keyword_ident'] ) . 'x_RES_y' . esc_html( $options['closing_ident'] ) . '</strong>', '<strong>y</strong>' ) . "</p>\n";

/* translators: %1$s: example of embedding a file, %2$s: details of key used in example */
echo '<p>' . sprintf( esc_html__( 'To embed an external URL you would type %1$s, where %2$s is the URL.', 'simple-embed-code' ), '<strong>' . esc_html( $options['opening_ident'] ) . 'url' . esc_html( $options['closing_ident'] ) . '</strong>', '<strong>url</strong>' ) . "</p>\n";
?>

</div>