<?php

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

class APBOX_Settings {

	public static function init() {
		add_action( 'admin_menu', [ __CLASS__, 'add_settings_menu' ] );
		add_action( 'admin_init', [ __CLASS__, 'register_settings' ] );
		add_action( 'admin_enqueue_scripts', [ __CLASS__, 'enqueue_color_picker' ] );
		add_action( 'admin_init', [ __CLASS__, 'maybe_reset_settings' ] );
	}

	// Add settings page data
	public static function add_settings_menu() {
		add_submenu_page(
    		'edit.php?post_type=apbox_product', // Parent slug
    		'Admin Settings',           			// Page title
    		'Settings',                             // Menu title
			'manage_options',                       // Capability
			'apbox_settings',                          // Menu slug
			[ __CLASS__, 'render_settings_page' ] // Callback
		);		
	}

	// Store defaults for settings
	public static function get_defaults() {
		return [
			'apbox_font_size'    => '16px',
			'apbox_button_color' => '#ff6600',
			'apbox_currency'                => 'USD',
			'apbox_heading_level'           => 'h2',
			'apbox_delete_data_on_uninstall' => 0,
			'apbox_button_text' => 'Buy Now'
		];
	}

	// Add settings
	public static function register_settings() {
		// Registers setting as global and stores it in wp_options
		register_setting( 'apbox_settings_group', 'apbox_font_size', ['sanitize_callback' => 'sanitize_text_field'] );
		register_setting( 'apbox_settings_group', 'apbox_button_color',  ['sanitize_callback' => 'sanitize_hex_color'] );
		register_setting( 'apbox_settings_group', 'apbox_currency', ['sanitize_callback' => 'sanitize_text_field'] );
		register_setting( 'apbox_settings_group', 'apbox_heading_level', ['sanitize_callback' => [ __CLASS__, 'sanitize_heading_level' ] ] );
		register_setting( 'apbox_settings_group', 'apbox_button_text', ['sanitize_callback' => 'sanitize_text_field'] );
		register_setting( 'apbox_settings_group', 'apbox_delete_data_on_uninstall',  ['sanitize_callback' => 'rest_sanitize_boolean'] );
		

		// Add settings section for styling
		add_settings_section( 'apbox_styling_section', 'Styling Options', null, 'apbox_settings' );

		// Product Box section 
		add_settings_section( 'apbox_product_box_section', 'Product Box', null, 'apbox_settings' );

		// Add settings section for admin options
		add_settings_section('apbox_admin_section', 'Admin Settings', null, 'apbox_settings' );

		// Add settings field for font size
		add_settings_field(
			'apbox_font_size',
			'Font Size (e.g., 16px or 1rem)',
			[ __CLASS__, 'font_size_field_callback' ],
			'apbox_settings',
			'apbox_styling_section'
		);

		// Add settings field for button color
		add_settings_field(
			'apbox_button_color',
			'Button Color (HEX)',
			[ __CLASS__, 'button_color_field_callback' ],
			'apbox_settings',
			'apbox_styling_section'
		);

		// Add settings field for currency
			add_settings_field(
		'apbox_currency',
		'Currency',
		[ __CLASS__, 'currency_field_callback' ],
		'apbox_settings',
			'apbox_product_box_section'
		);

		add_settings_field(
			'apbox_heading_level',
			'Heading Level',
			[ __CLASS__, 'heading_level_field_callback' ],
			'apbox_settings',
			'apbox_product_box_section'
		);

		// Add settings field for button text
			add_settings_field(
		'apbox_button_text',
		'Button Text',
		[ __CLASS__, 'button_text_field_callback' ],
		'apbox_settings',
		'apbox_product_box_section'
		);

		// Add settings field for data deletion when uninstalling
		add_settings_field(
    		'apbox_delete_data_on_uninstall',
    		'Delete Data on Uninstall',
   			[ __CLASS__, 'delete_data_field_callback' ],
    		'apbox_settings',
    		'apbox_admin_section'
		);


	}

	// Add reset functionality for settings
	public static function maybe_reset_settings() {
		if ( isset( $_POST['apbox_reset_defaults'] ) && check_admin_referer( 'apbox_reset_defaults_action', 'apbox_reset_defaults_nonce' ) ) {
			$defaults = self::get_defaults();
			foreach ( $defaults as $key => $value ) {
				update_option( $key, $value );
			}
	
			// Redirect before output starts
			wp_safe_redirect(
    			wp_nonce_url(
        			admin_url( 'admin.php?page=apbox_settings&apbox_reset=1' ),
        			'apbox_reset_notice'
    			)
			);
			exit;
		}
	}

	// Display settings page
	public static function render_settings_page() {
		?>
		<div class="wrap">
			<?php
				if (
					isset( $_GET['apbox_reset'], $_GET['_wpnonce'] ) &&
					$_GET['apbox_reset'] === '1' &&
					wp_verify_nonce( sanitize_text_field( wp_unslash( $_GET['_wpnonce'] ) ), 'apbox_reset_notice' )
				) :
			?>
    			<div class="updated"><p><strong><?php esc_html_e( 'Settings have been reset to defaults.', 'affiliate-product-boxes' ); ?></strong></p></div>
			<?php endif; ?>
	
			<h1>Affiliate Product Boxes Settings</h1>
	
			<form method="post" action="options.php">
				<?php
				settings_fields( 'apbox_settings_group' );
				do_settings_sections( 'apbox_settings' );
				submit_button();
				?>
			</form>
	
			<!-- Reset form (separate) -->
			<form method="post">
				<?php wp_nonce_field( 'apbox_reset_defaults_action', 'apbox_reset_defaults_nonce' ); ?>
				<?php submit_button( 'Reset to Defaults', 'secondary', 'apbox_reset_defaults' ); ?>
			</form>
		</div>
		<?php
	}
	

	public static function font_size_field_callback() {
		$defaults = self::get_defaults();
		$value = esc_attr( get_option( 'apbox_font_size', $defaults['apbox_font_size'] ) );
		echo "<input type='text' name='apbox_font_size' value='" . esc_attr( $value ) . "' />";
	}

	public static function button_color_field_callback() {
		$defaults = self::get_defaults();
		$value = esc_attr( get_option( 'apbox_button_color', $defaults['apbox_button_color'] ) );
		echo "<input type='text' id='apbox_button_color' name='apbox_button_color' value='" . esc_attr( $value ) . "' class='apbox-color-field' />";
	}

	public static function delete_data_field_callback() {
    	$value = get_option( 'apbox_delete_data_on_uninstall', 0 );
		?>
			<label>
				<input type="checkbox" name="apbox_delete_data_on_uninstall" value="1" <?php checked( 1, $value ); ?> />
				Remove all affiliate products and settings when uninstalling the plugin.
			</label>
		<?php
	}

	public static function currency_field_callback() {
		$defaults   = self::get_defaults();
		$value      = get_option( 'apbox_currency', $defaults['apbox_currency'] );
		$currencies = self::get_currencies();

		echo '<select name="apbox_currency">';
		foreach ( $currencies as $code => $label ) {
			echo "<option value='" . esc_attr( $code ) . "' " . selected( $value, $code, false ) . ">" . esc_html( $label ) . "</option>";
		}
		echo '</select>';
}

	public static function heading_level_field_callback() {
		$defaults       = self::get_defaults();
		$value          = get_option( 'apbox_heading_level', $defaults['apbox_heading_level'] );
		$value          = self::sanitize_heading_level( $value );
		$heading_levels = self::get_heading_level_options();

		echo '<select name="apbox_heading_level">';

		foreach ( $heading_levels as $heading_level ) {
			echo "<option value='" . esc_attr( $heading_level ) . "' " . selected( $value, $heading_level, false ) . '>' . esc_html( strtoupper( $heading_level ) ) . '</option>';
		}

		echo '</select>';
}

	public static function button_text_field_callback() {
		$defaults   = self::get_defaults();
		$value      = get_option( 'apbox_button_text', $defaults['apbox_button_text'] );

		echo "<input type='text' id='apbox_button_text' name='apbox_button_text' value='" . esc_attr( $value ) . "' class='apbox-button-text-field' />";
}

	public static function enqueue_color_picker( $hook ) {
		// Only load on plugin settings page
		if ( strpos( $hook, '_page_apbox_settings' ) === false ) {
			return;
		}
		wp_enqueue_style( 'wp-color-picker' );
		wp_enqueue_script( 'apbox-color-script', plugin_dir_url( __FILE__ ) . '../assets/js/color-picker.js', [ 'wp-color-picker' ], APBOX_VERSION, true );
	}
	

// Return all ISO 4217 currencies with symbols
public static function get_currencies() {
	return [
		'AED' => __( 'United Arab Emirates Dirham (د.إ)', 'affiliate-product-boxes' ),
		'AFN' => __( 'Afghan Afghani (؋)', 'affiliate-product-boxes' ),
		'ALL' => __( 'Albanian Lek (L)', 'affiliate-product-boxes' ),
		'AMD' => __( 'Armenian Dram (֏)', 'affiliate-product-boxes' ),
		'ANG' => __( 'Netherlands Antillean Guilder (ƒ)', 'affiliate-product-boxes' ),
		'AOA' => __( 'Angolan Kwanza (Kz)', 'affiliate-product-boxes' ),
		'ARS' => __( 'Argentine Peso ($)', 'affiliate-product-boxes' ),
		'AUD' => __( 'Australian Dollar (A$)', 'affiliate-product-boxes' ),
		'AWG' => __( 'Aruban Florin (ƒ)', 'affiliate-product-boxes' ),
		'AZN' => __( 'Azerbaijani Manat (₼)', 'affiliate-product-boxes' ),
		'BAM' => __( 'Bosnia-Herzegovina Convertible Mark (KM)', 'affiliate-product-boxes' ),
		'BBD' => __( 'Barbadian Dollar (Bds$)', 'affiliate-product-boxes' ),
		'BDT' => __( 'Bangladeshi Taka (৳)', 'affiliate-product-boxes' ),
		'BGN' => __( 'Bulgarian Lev (лв)', 'affiliate-product-boxes' ),
		'BHD' => __( 'Bahraini Dinar (.د.ب)', 'affiliate-product-boxes' ),
		'BIF' => __( 'Burundian Franc (FBu)', 'affiliate-product-boxes' ),
		'BMD' => __( 'Bermudian Dollar (BD$)', 'affiliate-product-boxes' ),
		'BND' => __( 'Brunei Dollar (B$)', 'affiliate-product-boxes' ),
		'BOB' => __( 'Bolivian Boliviano (Bs.)', 'affiliate-product-boxes' ),
		'BRL' => __( 'Brazilian Real (R$)', 'affiliate-product-boxes' ),
		'BSD' => __( 'Bahamian Dollar (B$)', 'affiliate-product-boxes' ),
		'BTN' => __( 'Bhutanese Ngultrum (Nu.)', 'affiliate-product-boxes' ),
		'BWP' => __( 'Botswana Pula (P)', 'affiliate-product-boxes' ),
		'BYN' => __( 'Belarusian Ruble (Br)', 'affiliate-product-boxes' ),
		'BZD' => __( 'Belize Dollar (BZ$)', 'affiliate-product-boxes' ),
		'CAD' => __( 'Canadian Dollar (C$)', 'affiliate-product-boxes' ),
		'CHF' => __( 'Swiss Franc (CHF)', 'affiliate-product-boxes' ),
		'CLP' => __( 'Chilean Peso (CLP$)', 'affiliate-product-boxes' ),
		'CNY' => __( 'Chinese Yuan (¥)', 'affiliate-product-boxes' ),
		'COP' => __( 'Colombian Peso (COL$)', 'affiliate-product-boxes' ),
		'CRC' => __( 'Costa Rican Colón (₡)', 'affiliate-product-boxes' ),
		'CUC' => __( 'Cuban Convertible Peso (CUC$)', 'affiliate-product-boxes' ),
		'CUP' => __( 'Cuban Peso (CUP$)', 'affiliate-product-boxes' ),
		'CVE' => __( 'Cape Verdean Escudo (Esc)', 'affiliate-product-boxes' ),
		'CZK' => __( 'Czech Koruna (Kč)', 'affiliate-product-boxes' ),
		'DJF' => __( 'Djiboutian Franc (Fdj)', 'affiliate-product-boxes' ),
		'DKK' => __( 'Danish Krone (kr)', 'affiliate-product-boxes' ),
		'DOP' => __( 'Dominican Peso (RD$)', 'affiliate-product-boxes' ),
		'DZD' => __( 'Algerian Dinar (دج)', 'affiliate-product-boxes' ),
		'EGP' => __( 'Egyptian Pound (E£)', 'affiliate-product-boxes' ),
		'ERN' => __( 'Eritrean Nakfa (Nfk)', 'affiliate-product-boxes' ),
		'ETB' => __( 'Ethiopian Birr (Br)', 'affiliate-product-boxes' ),
		'EUR' => __( 'Euro (€)', 'affiliate-product-boxes' ),
		'FJD' => __( 'Fijian Dollar (FJ$)', 'affiliate-product-boxes' ),
		'FKP' => __( 'Falkland Islands Pound (£)', 'affiliate-product-boxes' ),
		'GBP' => __( 'British Pound Sterling (£)', 'affiliate-product-boxes' ),
		'GEL' => __( 'Georgian Lari (₾)', 'affiliate-product-boxes' ),
		'GHS' => __( 'Ghanaian Cedi (₵)', 'affiliate-product-boxes' ),
		'GIP' => __( 'Gibraltar Pound (£)', 'affiliate-product-boxes' ),
		'GMD' => __( 'Gambian Dalasi (D)', 'affiliate-product-boxes' ),
		'GNF' => __( 'Guinean Franc (FG)', 'affiliate-product-boxes' ),
		'GTQ' => __( 'Guatemalan Quetzal (Q)', 'affiliate-product-boxes' ),
		'GYD' => __( 'Guyanese Dollar (GY$)', 'affiliate-product-boxes' ),
		'HKD' => __( 'Hong Kong Dollar (HK$)', 'affiliate-product-boxes' ),
		'HNL' => __( 'Honduran Lempira (L)', 'affiliate-product-boxes' ),
		'HRK' => __( 'Croatian Kuna (kn)', 'affiliate-product-boxes' ),
		'HTG' => __( 'Haitian Gourde (G)', 'affiliate-product-boxes' ),
		'HUF' => __( 'Hungarian Forint (Ft)', 'affiliate-product-boxes' ),
		'IDR' => __( 'Indonesian Rupiah (Rp)', 'affiliate-product-boxes' ),
		'ILS' => __( 'Israeli New Shekel (₪)', 'affiliate-product-boxes' ),
		'INR' => __( 'Indian Rupee (₹)', 'affiliate-product-boxes' ),
		'IQD' => __( 'Iraqi Dinar (ع.د)', 'affiliate-product-boxes' ),
		'IRR' => __( 'Iranian Rial (﷼)', 'affiliate-product-boxes' ),
		'ISK' => __( 'Icelandic Króna (kr)', 'affiliate-product-boxes' ),
		'JMD' => __( 'Jamaican Dollar (J$)', 'affiliate-product-boxes' ),
		'JOD' => __( 'Jordanian Dinar (JD)', 'affiliate-product-boxes' ),
		'JPY' => __( 'Japanese Yen (¥)', 'affiliate-product-boxes' ),
		'KES' => __( 'Kenyan Shilling (KSh)', 'affiliate-product-boxes' ),
		'KGS' => __( 'Kyrgyzstani Som (с)', 'affiliate-product-boxes' ),
		'KHR' => __( 'Cambodian Riel (៛)', 'affiliate-product-boxes' ),
		'KMF' => __( 'Comorian Franc (CF)', 'affiliate-product-boxes' ),
		'KPW' => __( 'North Korean Won (₩)', 'affiliate-product-boxes' ),
		'KRW' => __( 'South Korean Won (₩)', 'affiliate-product-boxes' ),
		'KWD' => __( 'Kuwaiti Dinar (KD)', 'affiliate-product-boxes' ),
		'KYD' => __( 'Cayman Islands Dollar (CI$)', 'affiliate-product-boxes' ),
		'KZT' => __( 'Kazakhstani Tenge (₸)', 'affiliate-product-boxes' ),
		'LAK' => __( 'Lao Kip (₭)', 'affiliate-product-boxes' ),
		'LBP' => __( 'Lebanese Pound (ل.ل)', 'affiliate-product-boxes' ),
		'LKR' => __( 'Sri Lankan Rupee (Rs)', 'affiliate-product-boxes' ),
		'LRD' => __( 'Liberian Dollar (L$)', 'affiliate-product-boxes' ),
		'LSL' => __( 'Lesotho Loti (L)', 'affiliate-product-boxes' ),
		'LYD' => __( 'Libyan Dinar (LD)', 'affiliate-product-boxes' ),
		'MAD' => __( 'Moroccan Dirham (MAD)', 'affiliate-product-boxes' ),
		'MDL' => __( 'Moldovan Leu (L)', 'affiliate-product-boxes' ),
		'MGA' => __( 'Malagasy Ariary (Ar)', 'affiliate-product-boxes' ),
		'MKD' => __( 'Macedonian Denar (ден)', 'affiliate-product-boxes' ),
		'MMK' => __( 'Burmese Kyat (Ks)', 'affiliate-product-boxes' ),
		'MNT' => __( 'Mongolian Tögrög (₮)', 'affiliate-product-boxes' ),
		'MOP' => __( 'Macanese Pataca (MOP$)', 'affiliate-product-boxes' ),
		'MUR' => __( 'Mauritian Rupee (₨)', 'affiliate-product-boxes' ),
		'MVR' => __( 'Maldivian Rufiyaa (Rf)', 'affiliate-product-boxes' ),
		'MWK' => __( 'Malawian Kwacha (MK)', 'affiliate-product-boxes' ),
		'MXN' => __( 'Mexican Peso (MX$)', 'affiliate-product-boxes' ),
		'MYR' => __( 'Malaysian Ringgit (RM)', 'affiliate-product-boxes' ),
		'MZN' => __( 'Mozambican Metical (MT)', 'affiliate-product-boxes' ),
		'NAD' => __( 'Namibian Dollar (N$)', 'affiliate-product-boxes' ),
		'NGN' => __( 'Nigerian Naira (₦)', 'affiliate-product-boxes' ),
		'NIO' => __( 'Nicaraguan Córdoba (C$)', 'affiliate-product-boxes' ),
		'NOK' => __( 'Norwegian Krone (kr)', 'affiliate-product-boxes' ),
		'NPR' => __( 'Nepalese Rupee (₨)', 'affiliate-product-boxes' ),
		'NZD' => __( 'New Zealand Dollar (NZ$)', 'affiliate-product-boxes' ),
		'OMR' => __( 'Omani Rial (﷼)', 'affiliate-product-boxes' ),
		'PAB' => __( 'Panamanian Balboa (B/.)', 'affiliate-product-boxes' ),
		'PEN' => __( 'Peruvian Sol (S/)', 'affiliate-product-boxes' ),
		'PGK' => __( 'Papua New Guinean Kina (K)', 'affiliate-product-boxes' ),
		'PHP' => __( 'Philippine Peso (₱)', 'affiliate-product-boxes' ),
		'PKR' => __( 'Pakistani Rupee (₨)', 'affiliate-product-boxes' ),
		'PLN' => __( 'Polish Złoty (zł)', 'affiliate-product-boxes' ),
		'PYG' => __( 'Paraguayan Guaraní (₲)', 'affiliate-product-boxes' ),
		'QAR' => __( 'Qatari Riyal (﷼)', 'affiliate-product-boxes' ),
		'RON' => __( 'Romanian Leu (lei)', 'affiliate-product-boxes' ),
		'RSD' => __( 'Serbian Dinar (дин.)', 'affiliate-product-boxes' ),
		'RUB' => __( 'Russian Ruble (₽)', 'affiliate-product-boxes' ),
		'RWF' => __( 'Rwandan Franc (FRw)', 'affiliate-product-boxes' ),
		'SAR' => __( 'Saudi Riyal (﷼)', 'affiliate-product-boxes' ),
		'SBD' => __( 'Solomon Islands Dollar (SI$)', 'affiliate-product-boxes' ),
		'SCR' => __( 'Seychellois Rupee (₨)', 'affiliate-product-boxes' ),
		'SDG' => __( 'Sudanese Pound (SDG)', 'affiliate-product-boxes' ),
		'SEK' => __( 'Swedish Krona (kr)', 'affiliate-product-boxes' ),
		'SGD' => __( 'Singapore Dollar (S$)', 'affiliate-product-boxes' ),
		'SHP' => __( 'Saint Helena Pound (£)', 'affiliate-product-boxes' ),
		'SLL' => __( 'Sierra Leonean Leone (Le)', 'affiliate-product-boxes' ),
		'SOS' => __( 'Somali Shilling (Sh.so.)', 'affiliate-product-boxes' ),
		'SRD' => __( 'Surinamese Dollar (SR$)', 'affiliate-product-boxes' ),
		'SSP' => __( 'South Sudanese Pound (£)', 'affiliate-product-boxes' ),
		'STN' => __( 'São Tomé and Príncipe Dobra (Db)', 'affiliate-product-boxes' ),
		'SYP' => __( 'Syrian Pound (£S)', 'affiliate-product-boxes' ),
		'SZL' => __( 'Swazi Lilangeni (E)', 'affiliate-product-boxes' ),
		'THB' => __( 'Thai Baht (฿)', 'affiliate-product-boxes' ),
		'TJS' => __( 'Tajikistani Somoni (ЅМ)', 'affiliate-product-boxes' ),
		'TMT' => __( 'Turkmenistani Manat (T)', 'affiliate-product-boxes' ),
		'TND' => __( 'Tunisian Dinar (DT)', 'affiliate-product-boxes' ),
		'TOP' => __( 'Tongan Paʻanga (T$)', 'affiliate-product-boxes' ),
		'TRY' => __( 'Turkish Lira (₺)', 'affiliate-product-boxes' ),
		'TTD' => __( 'Trinidad and Tobago Dollar (TT$)', 'affiliate-product-boxes' ),
		'TWD' => __( 'New Taiwan Dollar (NT$)', 'affiliate-product-boxes' ),
		'TZS' => __( 'Tanzanian Shilling (TSh)', 'affiliate-product-boxes' ),
		'UAH' => __( 'Ukrainian Hryvnia (₴)', 'affiliate-product-boxes' ),
		'UGX' => __( 'Ugandan Shilling (USh)', 'affiliate-product-boxes' ),
		'USD' => __( 'US Dollar ($)', 'affiliate-product-boxes' ),
		'UYU' => __( 'Uruguayan Peso ($U)', 'affiliate-product-boxes' ),
		'UZS' => __( 'Uzbekistan Som (сўм)', 'affiliate-product-boxes' ),
		'VES' => __( 'Venezuelan Bolívar Soberano (Bs.S)', 'affiliate-product-boxes' ),
		'VND' => __( 'Vietnamese Đồng (₫)', 'affiliate-product-boxes' ),
		'VUV' => __( 'Vanuatu Vatu (VT)', 'affiliate-product-boxes' ),
		'WST' => __( 'Samoan Tala (WS$)', 'affiliate-product-boxes' ),
		'XAF' => __( 'Central African CFA Franc (FCFA)', 'affiliate-product-boxes' ),
		'XCD' => __( 'East Caribbean Dollar (EC$)', 'affiliate-product-boxes' ),
		'XOF' => __( 'West African CFA Franc (CFA)', 'affiliate-product-boxes' ),
		'XPF' => __( 'CFP Franc (₣)', 'affiliate-product-boxes' ),
		'YER' => __( 'Yemeni Rial (﷼)', 'affiliate-product-boxes' ),
		'ZAR' => __( 'South African Rand (R)', 'affiliate-product-boxes' ),
		'ZMW' => __( 'Zambian Kwacha (ZK)', 'affiliate-product-boxes' ),
		'ZWL' => __( 'Zimbabwean Dollar (Z$)', 'affiliate-product-boxes' ),
	];
}

	public static function sanitize_heading_level( $value ) {
		$allowed_headings = self::get_heading_level_options();
		$value            = sanitize_key( $value );

		if ( ! in_array( $value, $allowed_headings, true ) ) {
			return 'h2';
		}

		return $value;
	}

	private static function get_heading_level_options() {
		return [ 'h2', 'h3', 'h4', 'h5', 'h6' ];
	}


}