<?php
//*Client Data System, Copyright (C) 2000, 2001, 2002 Tedd Kelleher.  This is free software, subject to the 
//*GNU GENERAL PUBLIC LICENSE, Version 2, June 1991 (in file named gpl.txt), which should accompany 
//*any distribution of this file.  Tedd Kelleher can be contacted at hide@address.com


class Survey {

    var $survey_name;
    var $survey_questions;
    var $survey_profile;
    var $existing_survey_answers;
    var $client_ip;
    
    function Survey ($survey_name)  {
        GLOBAL $db_link;

        if(ereg("[^a-z\_]", $survey_name))	{
            echo "Illegal survey name"; exit;
        }
        else {
            $this->survey_name = $survey_name;
        }

        $this->client_ip = addslashes(getenv("REMOTE_ADDR"));

        $db_link = db_generic_connect (); 

        $this->survey_questions = new Questions_into_array ($this->survey_name, "40", "9999", "9999", "display");
      
        //echo "Values are";
        //display_value ($this->survey_questions->questions);
        $this->survey_profile = pull_report_type_profile ($this->survey_name);
        if ( $this->survey_profile["report_on_unit"] != "survey" )  {
            echo "Not a survey type report";
            exit;
        
        }
    }


    function check_for_recent_survey_submission ()  {
        //Only allows a new survey from an individual IP once every 24 hours
        
        $unix_time_one_day_ago = time() - 86400;  
        
        
        $sql = "SELECT * FROM logged_in_log WHERE log_user_name LIKE 'SURVEY'
         AND log_group_name LIKE '".$this->survey_name."'
          AND log_unix_date > '".$unix_time_one_day_ago."'
           AND log_ip LIKE '".$this->client_ip."' ORDER BY log_unix_date DESC";


            //
            
        $result = run_query ($sql, "Checking for existing reports");
        if ( num_rows( $result ) > 0 )  {
        
            $row = fetch_array ( $result, "Fetching existing survery data", 0 );
            //display_value ($row);
            
            //Client report id stored in group_id field
            return $row["log_group_id"];
        }
        else {
            return 0;
        }
   
    }



    function pull_existing_answers ()   {
    
        //Check to see if they have submitted recently
        $existing_report_id = check_for_recent_survey_submission();
        
        
        
        if ( $existing_report_id > 0 )  {
            $cnt_rpt = new Client_report;
            $existing_survey_answers = $cnt_rpt->pull_existing_client_report_answers ( $existing_report_id,
             $this->survey_questions->questions, $this->survey_questions->question_elements );  
            
        }
        else    {
            $existing_survey_answers = "";    
        }
        return  $existing_survey_answers;
    }


    function insert_survey_answers ($vetted_values, $existing_report_id)   {
        GLOBAL $unix_date;
    
        $insert = new Insert_client_report;
        $new_report_id = $insert->insert_client_report_answers ($this->survey_profile["report_type_id"],
                     9999, $this->survey_questions->questions, $vetted_values,
                      "yes", $existing_report_id);
                      
        
        
        //Store the name of the report in user_name, and the report id number in the group id field              
        $sql = "INSERT INTO logged_in_log ( log_user_name, log_group_name, log_group_id, log_ip, log_unix_date  )
         VALUES ( 'SURVEY', '".$this->survey_name."', '".$new_report_id."', '".$this->client_ip."', '".$unix_date."' )";
       run_query ( $sql, "Inserting record of submitted survey" );
    
    }



    function display_survey ($vetted_form_answers)  {
        GLOBAL $question_validation_error, $head_dynamic_style, $message, $message_type, $this_page;
        
        
        if($question_validation_error)	{
		if(!$message)	{$message .= "ERROR: Incorrect form input, see below. ";}
		$message_type = "error";
	    }

	    if($message_type == "ok")	{
		$head_dynamic_style .= "\n.message {background-color: #66FF99; color: #000066; font-size: \"90%\" } "; 
	    }
	    elseif ($message_type == "error")	{
		$head_dynamic_style .= "\n.message {background-color: #FF0000; color: #FFCCCC; font-size: \"90%\" } "; 
		}
        
        $ht .= form_start($this_page."?name=".$this->survey_name);
        $ht .= "<table>";
        $ht .= "<tr><td class=\"generictabletop\">";
        $ht .= $this->survey_profile["report_title"];
        $ht .= "</td></tr>";
        $ht .= "<tr><td class=\"smalltd\">";
        $ht .= $this->survey_profile["report_instructions"];
        $ht .= "</td></tr>";
        $ht .= "<tr><td class=\"message\">";
        $ht .= $message."&nbsp;";
        $ht .= "</td></tr>";
        
        foreach ( $this->survey_questions->questions AS $current_question )  {
        
            $ht .= "<tr>";
        
            $ht .= question_display ($current_question, $this->survey_questions->question_elements[$current_question["question_id"]],
             $vetted_form_answers);
            
            $ht .= "</tr>";
            $ht .= "<tr><td>&nbsp;</td></tr>";  
        }
        
        
        $ht .= "</table>";
        $ht .= form_end("Click Here to Submit Survey");
    
        return $ht;
    }

}


?>