<?php
/**
 * Admin WooCommerce payments list page.
 *
 * @package AfriDirect_Payment
 */

// Exit if accessed directly.
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Admin WooCommerce payments class.
 */
class AfriDirect_Payment_Admin_Woo_Payments {

	/**
	 * Plugin instance.
	 *
	 * @var AfriDirect_Payment_Admin_Woo_Payments
	 */
	private static $instance = null;

	/**
	 * Hook suffix for the submenu page.
	 *
	 * @var string
	 */
	private $hook_suffix = '';

	/**
	 * Get plugin instance.
	 *
	 * @return AfriDirect_Payment_Admin_Woo_Payments
	 */
	public static function instance() {
		if ( is_null( self::$instance ) ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Constructor.
	 */
	private function __construct() {
		$this->init_hooks();
	}

	/**
	 * Initialize hooks.
	 */
	private function init_hooks() {
		add_action( 'admin_menu', array( $this, 'add_admin_menu' ) );
		add_action( 'admin_enqueue_scripts', array( $this, 'enqueue_scripts' ) );
	}

	/**
	 * Add admin menu.
	 */
	public function add_admin_menu() {
		// Only show if WooCommerce is active.
		if ( ! class_exists( 'WooCommerce' ) ) {
			return;
		}

		$menu_manager = AfriDirect_Payment_Admin_Menu::instance();
		$parent_slug = $menu_manager->get_menu_slug();
		
		$this->hook_suffix = add_submenu_page(
			$parent_slug,
			__( 'WooCommerce Payments', 'afridirect-payment' ),
			__( 'WooCommerce Payments', 'afridirect-payment' ),
			$menu_manager->get_capability(),
			'afridirect-woo-payments',
			array( $this, 'render_payments_page' )
		);
	}

	/**
	 * Enqueue scripts.
	 */
	public function enqueue_scripts( $hook ) {
		if ( $this->hook_suffix !== $hook ) {
			return;
		}

		wp_enqueue_style(
			'afridirect-admin-woo-payments',
			AFRIDIRECT_PAYMENT_PLUGIN_URL . 'admin/css/admin.css',
			array(),
			afridirect_payment_asset_ver( 'admin/css/admin.css' )
		);

		wp_enqueue_script(
			'afridirect-admin-woo-payments',
			AFRIDIRECT_PAYMENT_PLUGIN_URL . 'admin/js/admin.js',
			array( 'jquery' ),
			afridirect_payment_asset_ver( 'admin/js/admin.js' ),
			true
		);

		wp_localize_script(
			'afridirect-admin-woo-payments',
			'afridirectPaymentAdmin',
			array(
				'ajaxUrl' => admin_url( 'admin-ajax.php' ),
				'nonce'   => wp_create_nonce( 'afridirect-payment-admin-nonce' ),
				'i18n'    => array(
					'confirmApprove' => __( 'Are you sure you want to approve this order?', 'afridirect-payment' ),
					'confirmReject'  => __( 'Are you sure you want to reject this order?', 'afridirect-payment' ),
					'provideReason'  => __( 'Please provide a rejection reason.', 'afridirect-payment' ),
					'errorOccurred'  => __( 'An error occurred. Please try again.', 'afridirect-payment' ),
				),
			)
		);


		wp_localize_script(
			'afridirect-admin-woo-payments',
			'afridirectPaymentAdmin',
			array(
				'ajaxUrl' => admin_url( 'admin-ajax.php' ),
				'nonce'   => wp_create_nonce( 'afridirect-payment-admin-nonce' ),
				'i18n'    => array(
					'confirmApprove' => __( 'Are you sure you want to approve this order?', 'afridirect-payment' ),
					'confirmReject'  => __( 'Are you sure you want to reject this order?', 'afridirect-payment' ),
					'provideReason'  => __( 'Please provide a rejection reason.', 'afridirect-payment' ),
					'errorOccurred'  => __( 'An error occurred. Please try again.', 'afridirect-payment' ),
				),
			)
		);

		// Built as a nowdoc (no PHP variable interpolation) so JS variables like
		// $form / $submitBtn are never mistaken for PHP variables.
		$afridirect_reject_modal_js = <<<'JS'
(function($) {
	'use strict';

	$(document).ready(function() {
		// Reject modal functionality.
		var rejectModal = $('#afridirect-reject-order-modal');
		var rejectForm = $('#afridirect-reject-order-form');

		// Open reject modal.
		$(document).on('click', '.afridirect-reject-btn', function(e) {
		e.preventDefault();
		var orderId = $(this).data('order-id');
		$('#afridirect-reject-order-id').val(orderId);
			rejectModal.fadeIn();
		});

		// Close modal.
		$(document).on('click', '.afridirect-modal-cancel, .afridirect-modal-close', function() {
			rejectModal.fadeOut();
			rejectForm[0].reset();
		});

		// Submit reject form (use event delegation to avoid conflicts).
		$(document).on('submit', '#afridirect-reject-order-form', function(e) {
			e.preventDefault();
			e.stopImmediatePropagation(); // Prevent other handlers from running
			
			var $form = $(this);
			
			// Check if already processing
			if ($form.data('processing')) {
				return false;
			}
			
			var reason = $('#afridirect-reject-reason').val();
			if (!reason || !reason.trim()) {
				alert(afridirectPaymentAdmin.i18n.provideReason);
				$('#afridirect-reject-reason').focus();
				return false;
			}

			var $submitBtn = $form.find('button[type="submit"]');
			var originalText = $submitBtn.text();
			$submitBtn.prop('disabled', true).text('Processing...');
			$form.data('processing', true);

			var formData = new FormData(this);
			formData.append('action', 'afridirect_reject_order');
			// Ensure order_id and reason are included.
			if (!formData.has('order_id')) {
				formData.append('order_id', $('#afridirect-reject-order-id').val());
			}
			if (!formData.has('reason')) {
				formData.append('reason', reason);
			}
			if (!formData.has('nonce')) {
				formData.append('nonce', afridirectPaymentAdmin.nonce);
			}

			$.ajax({
				url: afridirectPaymentAdmin.ajaxUrl,
				type: 'POST',
				data: formData,
				processData: false,
				contentType: false,
				timeout: 30000, // 30 second timeout
				success: function(response) {
					$form.data('processing', false);
					console.log('Reject order response:', response);
					
					if (response && response.success) {
						var message = (response.data && response.data.message) 
							? response.data.message 
							: 'Order rejected successfully.';
						alert(message);
						// Small delay before reload to ensure user sees the message
						setTimeout(function() {
							location.reload();
						}, 100);
					} else {
						var errorMsg = (response && response.data && response.data.message) 
							? response.data.message 
							: (afridirectPaymentAdmin.i18n.errorOccurred || 'An error occurred. Please try again.');
						alert(errorMsg);
						$submitBtn.prop('disabled', false).text(originalText);
					}
				},
				error: function(xhr, status, error) {
					$form.data('processing', false);
					console.error('Reject order AJAX error:', {
						status: status,
						error: error,
						statusCode: xhr.status,
						responseText: xhr.responseText,
						responseJSON: xhr.responseJSON
					});
					
					var errorMsg = afridirectPaymentAdmin.i18n.errorOccurred || 'An error occurred. Please try again.';
					if (xhr.responseJSON) {
						if (xhr.responseJSON.data && xhr.responseJSON.data.message) {
							errorMsg = xhr.responseJSON.data.message;
						} else if (xhr.responseJSON.message) {
							errorMsg = xhr.responseJSON.message;
						}
					} else if (xhr.responseText) {
						// Try to parse response text
						try {
							var parsed = JSON.parse(xhr.responseText);
							if (parsed.data && parsed.data.message) {
								errorMsg = parsed.data.message;
							}
						} catch(e) {
							// Not JSON, use default message
						}
					}
					
					alert(errorMsg);
					$submitBtn.prop('disabled', false).text(originalText);
				}
			});
			
			return false;
		});
	}); // End document ready
})(jQuery);
JS;
		wp_add_inline_script( 'afridirect-admin-woo-payments', $afridirect_reject_modal_js, 'after' );

	}

	/**
	 * Render payments list page.
	 */
	public function render_payments_page() {
		$menu_manager = AfriDirect_Payment_Admin_Menu::instance();
		if ( ! current_user_can( $menu_manager->get_capability() ) ) {
			wp_die( esc_html__( 'You do not have sufficient permissions to access this page.', 'afridirect-payment' ) );
		}

		// Get orders that need review.
		// Criteria: payment method = afridirect_payment, status in (on-hold, pending) AND has proof uploaded.
		// Also include afridirect-pending and afridirect-proof statuses as they are part of the workflow.
		$orders = wc_get_orders(
			array(
				'payment_method' => 'afridirect_payment',
				'status'         => array( 'on-hold', 'pending', 'adp-pending', 'adp-proof' ),
				'limit'          => 100,
				'orderby'        => 'date',
				'order'          => 'DESC',
			)
		);

		// Filter to only show orders that have proof uploaded (proof_url or proof_attachment_id exists).
		// Also exclude orders that have already been reviewed (approved/declined).
		$orders_with_proof = array();
		foreach ( $orders as $order ) {
			$proof_url = $order->get_meta( '_afridirect_proof_url' );
			$proof_attachment_id = $order->get_meta( '_afridirect_proof_attachment_id' );
			$review_status = $order->get_meta( '_afridirect_review_status' );
			
			// Only show orders with proof that haven't been reviewed yet.
			if ( ( $proof_url || $proof_attachment_id ) && ! in_array( $review_status, array( 'approved', 'declined' ), true ) ) {
				$orders_with_proof[] = $order;
			}
		}

		include AFRIDIRECT_PAYMENT_PLUGIN_DIR . 'admin/views/woo-payments.php';
	}
}