<?php

namespace AdPresso\Modules\AdsTxt;

use AdPresso\Admin\Settings\Tabs\AbstractSettingsTab;
use AdPresso\Infrastructure\Settings;

/**
 * Settings tab for the ads.txt module.
 */
class SettingsTab extends AbstractSettingsTab {

	/**
	 * @return string
	 */
	public function get_id(): string {
		return 'ads_txt';
	}

	/**
	 * @return string
	 */
	public function get_title(): string {
		return __( 'Ads.txt', 'adpresso' );
	}

	/**
	 * Sections in the settings tab.
	 *
	 * @return string[] section_id => title
	 */
	public function get_sections(): array {
		return [
			'ads_txt_main' => [
				'title'          => __( 'Ads.txt settings.', 'adpresso' ),
				'description'    => '',
				'controlled_by'  => '',
				'initially_open' => true,
			],
		];
	}

	/**
	 * All ads.txt settings.
	 *
	 * @return array
	 */
	protected function define_options(): array {
		$options = [];

		$options[ 'enable_module_' . $this->get_id() ] = [
			'section'       => 'ads_txt_main',
			'label'         => __( 'Enable Ads.txt Module', 'adpresso' ),
			'type'          => 'toggle',
			'default'       => 0,
			'sanitize_type' => 'uint',
			'highlighted'   => true,
			'description'   => __( 'Manage the ads.txt file that lists the authorized sellers for your ad inventory.', 'adpresso' ),
		];

		// Always defined so a save keeps them while the module is off; depends_on hides them then.
		$options['ads_txt_source'] = [
			'section'    => 'ads_txt_main',
			'label'      => __( 'Ads.txt Source', 'adpresso' ),
			'type'       => 'button_group',
			'html_class' => 'adpresso-color-dark',
			'default'    => 'virtual',
			'options'    => [
				'physical' => [ 'key' => 'physical', 'label' => __( 'Physical file in the root directory', 'adpresso' ) ],
				'virtual'  => [ 'key' => 'virtual', 'label' => __( 'Virtual file generated by AdPresso', 'adpresso' ) ],
				'external' => [ 'key' => 'external', 'label' => __( 'File referenced by external URL', 'adpresso' ) ],
			],
			'depends_on' => [
				[
					'field_id' => 'enable_module_' . $this->get_id(),
					'operator' => 'is',
					'value'    => 1,
				],
			],
		];

		$enable_adsense_auto_ads = Settings::get_setting( 'adsense_enable_auto_ads', false );
		$adsense_publisher_id    = Settings::get_setting( 'adsense_publisher_id', '' );
		$adsense_auto_ads        = false;
		if ( $enable_adsense_auto_ads && ! empty( $adsense_publisher_id ) ) {
			$adsense_auto_ads = true;
		}
		$ads_txt_custom_lines_placeholder = sprintf( 'google.com, %s, DIRECT, f08c47fec0942fa0', $adsense_auto_ads ? $adsense_publisher_id : 'pub-0000000000000000' );

		$options['ads_txt_custom_lines'] = [
			'section'     => 'ads_txt_main',
			'label'       => __( 'Entries', 'adpresso' ),
			'type'        => 'textarea',
			'description' => __( 'AdPresso will deliver the following content as your ads.txt. Add one entry per line.', 'adpresso' ),
			'placeholder' => $ads_txt_custom_lines_placeholder,
			'depends_on'  => [
				[
					'field_id' => 'enable_module_' . $this->get_id(),
					'operator' => 'is',
					'value'    => 1,
				],
				[
					'field_id' => 'ads_txt_source',
					'operator' => 'is',
					'value'    => 'virtual',
				],
			],
		];

		$options['ads_txt_external_url'] = [
			'type'        => 'text',
			'section'     => 'ads_txt_main',
			'label'       => __( 'External URL', 'adpresso' ),
			'description' => __( 'Enter the complete URL for an external ads.txt file, which will be used as the source (e.g., https://example.com/ads.txt).', 'adpresso' ),
			'placeholder' => 'https://example.com/ads.txt',
			'default'     => '',
			'depends_on'  => [
				[
					'field_id' => 'enable_module_' . $this->get_id(),
					'operator' => 'is',
					'value'    => 1,
				],
				[
					'field_id' => 'ads_txt_source',
					'operator' => 'is',
					'value'    => 'external',
				],
			],
		];

		return $options;
	}
}