<?php
/**
 * Elementor Schema AI Status Widget.
 *
 * Displays the schema status for the current page/post directly inside
 * an Elementor-built layout — useful for editors who want a visible
 * indicator that schema markup is active.
 *
 * @package    Schema_AI
 * @subpackage Schema_AI/includes/integrations/widgets
 * @since      1.1.2
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class Schema_AI_Elementor_Schema_Widget
 */
class Schema_AI_Elementor_Schema_Widget extends \Elementor\Widget_Base {

	/**
	 * Widget name (slug).
	 *
	 * @return string
	 */
	public function get_name() {
		return 'ai-schema-gen-status';
	}

	/**
	 * Widget display title in the Elementor panel.
	 *
	 * @return string
	 */
	public function get_title() {
		return esc_html__( 'AI Schema Gen Status', 'ai-schema-gen' );
	}

	/**
	 * Widget icon (Elementor icon class).
	 *
	 * @return string
	 */
	public function get_icon() {
		return 'eicon-code';
	}

	/**
	 * Widget category — matches the category registered in class-elementor.php.
	 *
	 * @return array
	 */
	public function get_categories() {
		return array( 'ai-schema-gen' );
	}

	/**
	 * Register widget controls (settings panel).
	 */
	protected function register_controls() {
		$this->start_controls_section(
			'section_content',
			array(
				'label' => esc_html__( 'Display', 'ai-schema-gen' ),
				'tab'   => \Elementor\Controls_Manager::TAB_CONTENT,
			)
		);

		$this->add_control(
			'show_schema_type',
			array(
				'label'        => esc_html__( 'Show Schema Type', 'ai-schema-gen' ),
				'type'         => \Elementor\Controls_Manager::SWITCHER,
				'label_on'     => esc_html__( 'Yes', 'ai-schema-gen' ),
				'label_off'    => esc_html__( 'No', 'ai-schema-gen' ),
				'return_value' => 'yes',
				'default'      => 'yes',
			)
		);

		$this->add_control(
			'show_only_in_editor',
			array(
				'label'        => esc_html__( 'Visible in Editor Only', 'ai-schema-gen' ),
				'description'  => esc_html__( 'Hide this widget on the live site — show it only inside the Elementor editor.', 'ai-schema-gen' ),
				'type'         => \Elementor\Controls_Manager::SWITCHER,
				'label_on'     => esc_html__( 'Yes', 'ai-schema-gen' ),
				'label_off'    => esc_html__( 'No', 'ai-schema-gen' ),
				'return_value' => 'yes',
				'default'      => 'yes',
			)
		);

		$this->end_controls_section();

		// Style tab.
		$this->start_controls_section(
			'section_style',
			array(
				'label' => esc_html__( 'Style', 'ai-schema-gen' ),
				'tab'   => \Elementor\Controls_Manager::TAB_STYLE,
			)
		);

		$this->add_control(
			'text_color',
			array(
				'label'     => esc_html__( 'Text Color', 'ai-schema-gen' ),
				'type'      => \Elementor\Controls_Manager::COLOR,
				'default'   => '#374151',
				'selectors' => array(
					'{{WRAPPER}} .ai-schema-gen-widget' => 'color: {{VALUE}};',
				),
			)
		);

		$this->add_control(
			'background_color',
			array(
				'label'     => esc_html__( 'Background Color', 'ai-schema-gen' ),
				'type'      => \Elementor\Controls_Manager::COLOR,
				'default'   => '#f0fdf4',
				'selectors' => array(
					'{{WRAPPER}} .ai-schema-gen-widget' => 'background-color: {{VALUE}};',
				),
			)
		);

		$this->add_control(
			'border_color',
			array(
				'label'     => esc_html__( 'Border Color', 'ai-schema-gen' ),
				'type'      => \Elementor\Controls_Manager::COLOR,
				'default'   => '#bbf7d0',
				'selectors' => array(
					'{{WRAPPER}} .ai-schema-gen-widget' => 'border-color: {{VALUE}};',
				),
			)
		);

		$this->end_controls_section();
	}

	/**
	 * Render the widget HTML on the frontend.
	 */
	protected function render() {
		$settings = $this->get_settings_for_display();

		// Hide on live site if the editor-only toggle is on.
		if ( 'yes' === $settings['show_only_in_editor'] && ! \Elementor\Plugin::$instance->editor->is_edit_mode() ) {
			return;
		}

		$post_id = get_the_ID();
		$status  = $this->get_schema_status( $post_id );

		$active     = $status['active'];
		$types      = $status['types'];
		$show_type  = 'yes' === $settings['show_schema_type'];

		$badge_style = $active
			? 'background-color:#f0fdf4;border:1px solid #bbf7d0;color:#15803d;'
			: 'background-color:#fef9c3;border:1px solid #fde68a;color:#92400e;';

		$label = $active
			? esc_html__( 'Schema Active', 'ai-schema-gen' )
			: esc_html__( 'No Schema', 'ai-schema-gen' );

		?>
		<div class="ai-schema-gen-widget" style="display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:6px;border:1px solid;font-size:13px;font-family:sans-serif;<?php echo esc_attr( $badge_style ); ?>">
			<span style="font-size:16px;"><?php echo $active ? '✓' : '○'; ?></span>
			<span style="font-weight:600;"><?php echo esc_html( $label ); ?></span>
			<?php if ( $show_type && $active && ! empty( $types ) ) : ?>
				<span style="opacity:0.7;">— <?php echo esc_html( implode( ', ', $types ) ); ?></span>
			<?php endif; ?>
		</div>
		<?php
	}

	/**
	 * Get schema status for a post.
	 *
	 * @param int $post_id The post ID.
	 * @return array { active: bool, types: string[] }
	 */
	private function get_schema_status( $post_id ) {
		if ( ! $post_id ) {
			return array( 'active' => false, 'types' => array() );
		}

		global $wpdb;

		$table = esc_sql( $wpdb->prefix . 'schema_ai_schemas' );

		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Widget render, caching not applicable here.
		$table_exists = $wpdb->get_var(
			$wpdb->prepare( 'SHOW TABLES LIKE %s', $table )
		);

		if ( ! $table_exists ) {
			return array( 'active' => false, 'types' => array() );
		}

		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching -- Widget render, caching not applicable here.
		$types = $wpdb->get_col(
			$wpdb->prepare(
				// phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- Table name sanitized via esc_sql().
				"SELECT schema_type FROM {$table} WHERE post_id = %d AND validation_status != %s",
				$post_id,
				'invalid'
			)
		);

		return array(
			'active' => ! empty( $types ),
			'types'  => ! empty( $types ) ? $types : array(),
		);
	}
}