Add support for setting-based payment method dependencies

modules/ppcp-settings/resources/js/hooks/useSettingDependencyState.js

@@ -0,0 +1,64 @@
+/**
+ * Custom hook to handle setting-based payment method dependencies
+ */
+import { useSelect } from '@wordpress/data';
+
+/**
+ * Check setting dependencies for methods
+ *
+ * @param {Array} methods - Array of methods to check
+ * @return {Object} Setting dependency states mapped by method ID
+ */
+const useSettingDependencyState = ( methods ) => {
+	const dependencyState = useSelect(
+		( select ) => {
+			const settingsStore = select( 'wc/paypal/settings' );
+
+			if ( ! settingsStore || ! methods?.length ) {
+				return null;
+			}
+
+			// Get settings data
+			const persistentData = settingsStore.persistentData();
+			const result = {};
+
+			// Process each method
+			methods.forEach( ( method ) => {
+				if ( ! method?.id || ! method.depends_on_settings ) {
+					return;
+				}
+
+				// Handle the settings object structure
+				if ( method.depends_on_settings.settings ) {
+					const settingsObj = method.depends_on_settings.settings;
+
+					for ( const [ settingId, settingData ] of Object.entries(
+						settingsObj
+					) ) {
+						const requiredId = settingData.id;
+						const requiredValue = settingData.value;
+
+						const actualValue = persistentData[ requiredId ];
+
+						// Check if dependency is satisfied
+						if ( actualValue !== requiredValue ) {
+							result[ method.id ] = {
+								isDisabled: true,
+								settingId: requiredId,
+								requiredValue,
+							};
+							break; // Stop checking once we find a failed dependency
+						}
+					}
+				}
+			} );
+
+			return result;
+		},
+		[ methods ]
+	);
+
+	return dependencyState;
+};
+
+export default useSettingDependencyState;