#include "CalendarTimezone.h"

using namespace std;

CalendarObjectValidResult CalendarTimezoneObject::ValidObject(){
 
	bool ValidBegin = false;
	bool ValidEnd = false;
	bool ValidTimeZoneID = false;
	int SeekCount = 0;
	string PropertyName;
	
	// Look for BEGIN:VEVENT.
	
	for (vector<string>::iterator iter = ObjectName.begin();
		iter != ObjectName.end(); iter++){
	
		if (ObjectName[SeekCount] == "BEGIN" &&
			ObjectData[SeekCount] == "VTIMEZONE"){
			
			if (ValidBegin == false){
				ValidBegin = true;
			} else {
				return CALENDAROBJECTVALID_INVALIDFORMAT;
			}
				
		}
		
		if (ObjectName[SeekCount] == "END" &&
			ObjectData[SeekCount] == "VTIMEZONE" &&
			ValidBegin == false){
		
			return CALENDAROBJECTVALID_INVALIDFORMAT;
				
		}
		
		SeekCount++;
			
	}
	
	SeekCount = 0;
	
	// Look for DTSTAMP.
	
	for (vector<string>::iterator iter = ObjectName.begin();
		iter != ObjectName.end(); iter++){
			
		try{
			PropertyName = ObjectName[SeekCount].substr(0,4);
		}
			
		catch(const out_of_range& oor){
			continue;
		}
		
		if (PropertyName == "TZID"){
			
			if (ValidTimeZoneID == false){
				ValidTimeZoneID = true;
			} else {
				return CALENDAROBJECTVALID_INVALIDFORMAT;
			}
				
		}
			
		SeekCount++;
			
	}
	
	SeekCount = 0;
	
	// Look for END:VEVENT.
	
	for (vector<string>::iterator iter = ObjectName.begin();
		iter != ObjectName.end(); iter++){
	
		if (ObjectName[SeekCount] == "END" &&
			ObjectData[SeekCount] == "VTIMEZONE"){
			
			if (ValidEnd == false){
				ValidEnd = true;
			} else {
				return CALENDAROBJECTVALID_INVALIDFORMAT;
			}
				
		}
			
		SeekCount++;
			
	}
	
	// Check if the VEVENT is valid.
	
	if (ValidBegin == true && 
		ValidEnd == true && 
		ValidTimeZoneID == true){
		
		return CALENDAROBJECTVALID_OK;
			
	} else {
		
		return CALENDAROBJECTVALID_INVALIDFORMAT;
		
	}
	
}

void CalendarTimezoneObject::ProcessData(){

	// Process the data.
	
	multimap<string,string> DataReceived;
	map<string,string> PropertyData;
	string *PropertyNameData = nullptr;
	int ObjectSeekCount = 0;
	
	// Get the Date Time Stamp (DTSTAMP).
	
	DataReceived = ProcessTextVectors(&ObjectName, &ObjectData, false, "TZID");
	
	// Process the data from DTSTAMP.
	
	if (DataReceived.begin() != DataReceived.end()){
	
		try {
			TimeZoneDataTokens = DataReceived.begin()->first.substr(5);
		}
		
		catch(const out_of_range &oor){
			// Do nothing as there is no data.
		}		
		
		TimeZoneData = DataReceived.begin()->second;
		
	}
	
}