public with sharing class TestDocumentWorkflow {
    
    public void testDocumentWorkflow(){
    	//create package with document workflow
    	ESignLiveSDK sdk = new ESignLiveSDK();
         
        ESignLiveAPIObjects.Package_x pkg = new ESignLiveAPIObjects.Package_x();
        pkg.name = 'Test Document Workflow - ' + Datetime.now().format();
        String packageId = sdk.createPackage(pkg);
        System.debug('package id: ' + packageId);
		       
		String document1Id = 'document1'; 
        StaticResource sr1 = [SELECT Id, Body FROM StaticResource WHERE Name = 'testdoc1' LIMIT 1];
        Map<String,Blob> doc1 = new Map<String,Blob>();
        doc1.put(document1Id, sr1.Body);
         
        ESignLiveAPIObjects.Document document1 = new ESignLiveAPIObjects.Document();
        document1.name = document1Id;
        document1.id = document1Id;
        document1.index = 1;
        sdk.createDocuments(packageId, document1, doc1);
    	
    	
    	String document2Id = 'document2';
    	StaticResource sr2 = [SELECT Id, Body FROM StaticResource WHERE Name = 'testdoc2' LIMIT 1];
    	Map<String,Blob> doc2 = new Map<String,Blob>();
    	doc2.put(document2Id, sr2.Body);
    	
    	ESignLiveAPIObjects.Document document2 = new ESignLiveAPIObjects.Document();
        document2.name = document2Id;
        document2.id = document2Id;
        document2.index = 2;
        sdk.createDocuments(packageId, document2, doc2);
    	
    	
    	//update docuemnt workflow in existing package
    	pkg = sdk.getPackage(packageId);
    	
    	document1 = getDocument(pkg,'document1');
    	document1.index = 2;
    	document2 = getDocument(pkg,'document2');
    	document2.index = 1;
    	
    	updateDocuments(packageId, pkg.documents);	
    	
    	//check update
    	pkg = sdk.getPackage(packageId);
    	List<ESignLiveAPIObjects.Document> docs = pkg.documents;
    	for(ESignLiveAPIObjects.Document doc: docs){
    		System.debug('document id: ' + doc.id + ', index: ' + doc.index);
    	}
    	
    }
    
    
    public void updateDocuments(String packageId, List<ESignLiveAPIObjects.Document> documents){
    	String resourceUrl = '/packages/'+packageId+'/documents';
    	String requestPayload = JSON.serialize(documents);
        HttpResponse response = doPut(resourceUrl, requestPayload);
		
        // Check response
        if(response.getStatusCode() != 200)
        {
            throw new ESignLiveRESTAPIHelper.ESignLiveRestAPIHelperException('Error update Documents' + response.getStatusCode() + ' - ' + response.getStatus() + ' - ' +  response.getBody());
        }
    	
    
    }
    
    
    public ESignLiveAPIObjects.Document getDocument(ESignLiveAPIObjects.Package_x pkg, String documentName){
    	List<ESignLiveAPIObjects.Document> documents = pkg.documents;
    	
    	if(documents == null || documents.size() == 0){
            throw new ESignLiveRESTAPIHelper.ESignLiveRestAPIHelperException('No documents in package ' + pkg.id);
    	}
    	
    	for(ESignLiveAPIObjects.Document curDoc: documents){
    		if(curDoc.name.equals(documentName)){
    			return curDoc;
    		}
    	}
    	throw new ESignLiveRESTAPIHelper.ESignLiveRestAPIHelperException('Cannot find document with name ' + documentName);
    }
    
    
    private HttpResponse doPut(String resourceUrl, String requestBody)
    {
    	e_SignLive_Connection_Settings__c connectionSettings = e_SignLive_Connection_Settings__c.getInstance('Main');    
        String outboundRequestBody = ESignLiveJSONHelper.prepareOutboundJSON(requestBody);
        System.debug('=> Put Request Body after cleanup: ' + outboundRequestBody);

        // Build Request
        HttpRequest request = new HttpRequest();
        request.setEndpoint(connectionSettings.Endpoint__c + resourceUrl);
        request.setBody(outboundRequestBody);
        request.setMethod('PUT');
        request.setHeader('Authorization', 'Basic ' + connectionSettings.API_Key__c);
        request.setHeader('Content-type', 'application/json');
        request.setHeader('Accept', 'application/json');

        // Send Request
        HttpResponse response = (new Http()).send(request);
        
        return response;
    }
    
    
}