global class BasicBeforeSearchPlugin implements dupcheck.dc3PluginInterface {
    // Define the event type that this plugin handles.
    private static final Set<String> implementedEvents = new Set<String>{ 'SEARCH_BEFORE' };

    // Determines if this plugin should handle the given event.
    global Boolean isAvailable(dupcheck.dc3Plugin.PluginEventType eventType) {
        // Return true if the event type is 'SEARCH_BEFORE'
        return implementedEvents.contains(eventType.name());
    }

    // Main entry point: dispatch the event to the appropriate handler.
    global Object execute(dupcheck.dc3Plugin.PluginEventType eventType, Object eventData) {
        if (eventType.name() == 'SEARCH_BEFORE') {
            // Cast the event data to the appropriate input type and call the handler.
            return handleSearchBefore((dupcheck.dc3PluginModel.SearchBeforeInput) eventData);
        }
        return null;
    }

    // Handles the SEARCH_BEFORE event.
    public dupcheck.dc3PluginModel.SearchBeforeOutput handleSearchBefore(dupcheck.dc3PluginModel.SearchBeforeInput input) {
        // Create the output object using the input defaults.
        dupcheck.dc3PluginModel.SearchBeforeOutput output = new dupcheck.dc3PluginModel.SearchBeforeOutput(input);
        
        // Insert your custom logic here to modify:
        
        // Return the modified output.
        return output;
    }
}

global class BeforeSearchPlugin_DisableCrossObject implements dupcheck.dc3PluginInterface {

    // Only handle the SEARCH_BEFORE event.
    private static Set<String> implementedEvents = new Set<String>{ 'SEARCH_BEFORE' };

    global Boolean isAvailable(dupcheck.dc3Plugin.PluginEventType eventType) {
        return BeforeSearchPlugin_DisableCrossObject.implementedEvents.contains(eventType.name());
    }

    global Object execute(dupcheck.dc3Plugin.PluginEventType eventType, Object eventData) {
        if (eventType.name() == 'SEARCH_BEFORE') {
            return handleSearchBefore((dupcheck.dc3PluginModel.SearchBeforeInput) eventData);
        }
        return null;
    }

    // This method is invoked before the index search executes.
    public dupcheck.dc3PluginModel.SearchBeforeOutput handleSearchBefore(dupcheck.dc3PluginModel.SearchBeforeInput input) {
        // Instantiate the output using the default values from the input.
        dupcheck.dc3PluginModel.SearchBeforeOutput output = new dupcheck.dc3PluginModel.SearchBeforeOutput(input);

        // Check if the current feature includes 'ON_ENTRY' and the object is a Lead.
        if (input.feature.contains('ON_INSERT') && input.objectPrefix == '00Q') {
            // Disable cross-object search for this context.
            output.crossObjectSearch = false;
            System.debug('Cross-object search disabled for ON_INSERT for Lead records.');
        }
        
        // Return the modified output.
        return output;
    }
}

global class BeforeSearchPluginScenarioByLeadSource implements dupcheck.dc3PluginInterface {

    // Define the event type this plugin handles.
    private static Set<String> implementedEvents = new Set<String>{ 'SEARCH_BEFORE' };

    // Check if this plugin should process the given event.
    global Boolean isAvailable(dupcheck.dc3Plugin.PluginEventType eventType) {
        return BeforeSearchPluginScenarioByLeadSource.implementedEvents.contains(eventType.name());
    }

    // Main entry point: dispatch the SEARCH_BEFORE event to our handler.
    global Object execute(dupcheck.dc3Plugin.PluginEventType eventType, Object eventData) {
        if (eventType.name() == 'SEARCH_BEFORE') {
            return handleSearchBefore((dupcheck.dc3PluginModel.SearchBeforeInput) eventData);
        }
        return null;
    }

    public dupcheck.dc3PluginModel.SearchBeforeOutput handleSearchBefore(dupcheck.dc3PluginModel.SearchBeforeInput input) {
        // Create the output object using the input defaults.
        dupcheck.dc3PluginModel.SearchBeforeOutput output = new dupcheck.dc3PluginModel.SearchBeforeOutput(input);

        // Process only if the record is a Lead (object prefix '00Q').
        if (input.objectPrefix == '00Q') {
            // Query the Lead record to get an up-to-date LeadSource field value.
            Lead queriedLead = [SELECT Id, LeadSource FROM Lead WHERE Id = :String.valueOf(input.objectData.get('Id')) LIMIT 1];
            String leadSource = queriedLead.LeadSource;

            // Clear any existing scenario IDs to enforce an exclusive scenario.
            output.scenarioIdSet.clear();

            // Apply an exclusive scenario based on the queried LeadSource value.
            if (leadSource != null && leadSource.equalsIgnoreCase('Web')) {
                output.scenarioIdSet.add('a0RAW000004Php42AC');  // Replace with your actual scenario ID for "Web"
                System.debug('Exclusive scenario set to Web scenario for Lead Source "Web".');
            } else if (leadSource != null && leadSource.equalsIgnoreCase('Phone Inquiry')) {
                output.scenarioIdSet.add('a0RAW000004Y2hp2AC');  // Replace with your actual scenario ID for "Phone Inquiry"
                System.debug('Exclusive scenario set to Phone Inquiry scenario for Lead Source "Phone Inquiry".');
            }
        }
        // Return the modified output containing only the desired scenario.
        return output;
    }
}

global class BeforeSearch_FilterInactiveContacts implements dupcheck.dc3PluginInterface {
    // Only handle the SEARCH_BEFORE event.
    private static final Set<String> implementedEvents = new Set<String>{ 'SEARCH_BEFORE' };

    // Determines if this plugin should process the given event.
    global Boolean isAvailable(dupcheck.dc3Plugin.PluginEventType eventType) {
        return implementedEvents.contains(eventType.name());
    }

    // Main entry point: dispatch the SEARCH_BEFORE event to our handler.
    global Object execute(dupcheck.dc3Plugin.PluginEventType eventType, Object eventData) {
        if(eventType.name() == 'SEARCH_BEFORE') {
            return handleSearchBefore((dupcheck.dc3PluginModel.SearchBeforeInput) eventData);
        }
        return null;
    }

    public dupcheck.dc3PluginModel.SearchBeforeOutput handleSearchBefore(dupcheck.dc3PluginModel.SearchBeforeInput input) {
        // Instantiate the output using default input values.
        dupcheck.dc3PluginModel.SearchBeforeOutput output = new dupcheck.dc3PluginModel.SearchBeforeOutput(input);

        // Process only if the record is a Contact (object prefix '003').
        if (input.objectPrefix == '003') {
            // Define the filter condition: include only active contacts.
            String filterCondition = 'Inactive__c = false';
            // Append the filter condition to any existing filter.
            if (String.isBlank(output.filter)) {
                output.filter = filterCondition;
            } else {
                output.filter = '(' + output.filter + ') AND ' + filterCondition;
            }
            System.debug('BeforeSearch_FilterInactiveContacts: Applied filter - ' + output.filter);
        }
        return output;
    }
}