@RestResource(urlMapping='/Testings') 
global without sharing class chromeExtensionAPI {
    
    @HttpGet
    global static String doGet() {
        System.debug('---GET--');
        wrapperClass wc = new wrapperClass();
        wc.name= UserInfo.getName();
        wc.email =UserInfo.getUserEmail();
        return JSON.serialize(wc);
    }
    @HTTPPost
    global static string getDataFromApp(){
        responseDataWrapper rw = new responseDataWrapper();
        rw.success =false;
        system.debug('----POST-----');        
        system.debug( RestContext.request.params);
        system.debug( RestContext.request.params.get('op_type'));
        system.debug( RestContext.request.params.get('username'));
        system.debug( RestContext.request.params.get('task_id'));
        String op_type = RestContext.request.params.get('op_type');
        String username = RestContext.request.params.get('username');       
        String task_id = RestContext.request.params.get('task_id');
        String newstatus = RestContext.request.params.get('op_status');   
        String sort_field = RestContext.request.params.get('sort_field'); 
        String sort_order = RestContext.request.params.get('sort_order'); 
        String searchkey = RestContext.request.params.get('searchkey') != null ? RestContext.request.params.get('searchkey') : '' ; 
        if(op_type != null && username != null){
            switch on (op_type){
                when 'gettask' {
                    System.debug('gettask');
                    rw.success = true;
                    List<TaskWrapper> lsttask = getusertasks(sort_field,sort_order,searchkey);
                    if(lsttask.size() > 0){                        
                        rw.taskData = lsttask;
                    }else{
                       rw.errormsg = 'No Task Found for User : '+username;
                    }
                }
                when 'updatestatus' {
                    System.debug('updatetask');
                    if(task_id != null && newstatus != null ){
                        String responString = updateusertasks(task_id, newstatus);
                        rw.success = true;
                        rw.errormsg = responString;
                        if(!responString.startsWith('Error:')){
                            rw.updatesuccess = true;
                            List<TaskWrapper> lsttask = getusertasks(sort_field,sort_order,'');
                            if(lsttask.size() > 0){
                                rw.taskData = lsttask;
                            }else{
                               rw.errormsg = 'No Task Found for User : '+username;
                            }
                        }
                    }else{
                       rw.errormsg = 'No Task Detail found for Task ID : '+task_id+' AND Status :'+newstatus ;
                    }                    
                }                                            
                when else {
                    System.debug('none of the above');
                    rw.errormsg = 'User operation is not found.';
                }                        
            }
        }else{
            rw.errormsg = 'Error: Missing require Data op_type:'+op_type+' username: '+username;
        }
        System.debug('>>>>>>rw');
        System.debug(rw);
        rw.picklistValues = getStatuslist();
        return JSON.serialize(rw);
    }

    global static  List<TaskWrapper>  getusertasks (String sortCase,String sort_order ,string searchkey) {
        list<TaskWrapper> lstTaskWrapper = new list<TaskWrapper>();
        String query = 'SELECT Id,Name,Project__c,Project__r.Name,Account__c,Account__r.Name,Start_Date__c,Due_Date__c,Status__c FROM Task__c where OwnerId= \''+UserInfo.getUserID()+'\' AND Due_Date__c != null AND Start_Date__c != null AND Status__c != \'Completed\' And (Project__c = null OR  (Project__r.Public_Project_Template__c = false AND Project__r.Project_Template__c = false and Project__r.Archived__c = false and Project__r.Project_Status__c != \'Canceled\' AND complete__c = false)) ';            
        if(searchkey != ''){
            query +=' AND Name like \'%'+searchkey+'%\'';
        }
        switch on sortCase {
            when 'taskname' {
                query +=' ORDER BY Name ';                              
            }
            when 'projectname'{
                query +=' ORDER BY Project__r.Name ';
            }
            when 'accountname'{
                query +=' ORDER BY Account__r.Name ';
            }
            when 'startdate' {
                query +=' ORDER BY Start_Date__c ';
            }
            when 'duedate'{
                query +=' ORDER BY Due_Date__c ';
            }
            when 'taskstatus'{
                query +=' ORDER BY Status__c ';
            }                                           
            when else {
                query +=' ORDER BY Name '; 
                System.debug('sortCase'+sortCase);
            }
        }
        if(sort_order == 'asc'){
           query += ' ASC NULLS LAST';
        }else{
           query += ' DESC NULLS LAST';
        }        
        query +=' limit 50';     
        system.debug('Query');
        system.debug(query);
        list<Task__c> listTask = Database.query(query);
        if(listTask != null){
            for(Task__c taskTeamp : listTask ){
                TaskWrapper tWrapper = new TaskWrapper();
                tWrapper.taskId = taskTeamp.Id;
                tWrapper.taskName = taskTeamp.Name;
                tWrapper.projectId = taskTeamp.Project__c;
                tWrapper.accountId = taskTeamp.Account__c;
                tWrapper.projectName = taskTeamp.Project__r.Name;
                tWrapper.accountName= taskTeamp.Account__r.Name;
                tWrapper.taskStartDate = String.valueOf(taskTeamp.Start_Date__c.format());
                tWrapper.taskDueDate = String.valueOf(taskTeamp.Due_Date__c.format());
                tWrapper.taskStatus = taskTeamp.Status__c;
                lstTaskWrapper.add(tWrapper);
            }
        }
        return lstTaskWrapper;
    }    
   
    global static  String  updateusertasks (String taskId ,String newstatus){
        String resultString = 'Error';
        String query = 'SELECT Id,Name,Project__r.Name,Start_Date__c,Due_Date__c,Status__c FROM Task__c where id= \''+taskId+'\' AND complete__c = false ';             
        Task__c singleTask = Database.query(query);
        singleTask.Status__c = newstatus;
        try{
            update singleTask;
            resultString = 'Task updated successfully.';
        }
        catch(DmlException e){
            resultString = 'Error: In Updateing Task :'+e.getMessage();
        }       
        return resultString;
    }
    
    
    global static map<String,String> getStatuslist(){
     map<String,String> options = new map<String,String>();
            
       Schema.DescribeFieldResult fieldResult = Task__c.Status__c.getDescribe();
       List<Schema.PicklistEntry> ple = fieldResult.getPicklistValues();
            
       for( Schema.PicklistEntry f : ple){
          options.put(f.getLabel(), f.getValue());
       }       
       return options;
    }
    
    global class wrapperClass {
        String name;
        String email;
        String username;
    }

    global class responseDataWrapper {
        list<TaskWrapper> taskData;
        map<String,String> picklistValues;
        Boolean success;
        Boolean updatesuccess;
        String errormsg;
    }
    
    global class TaskWrapper {
        String taskId;
        String taskName;
        String projectName;
        String accountName;
        String projectId;
        String accountId;
        String taskStartDate;
        String taskDueDate;
        String taskStatus;
        
    }          
}