/*
 *+------------------------------------------------------------------------+
 *| Licensed Materials - Property of IBM
 *| BI and PM: prmt
 *| (C) Copyright IBM Corp. 2002, 2014
 *|
 *| US Government Users Restricted Rights - Use, duplication or
 *| disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 *|
 *+------------------------------------------------------------------------+
*/


/**
	@fileOverview Parameter Values (interface).
*/

/**
	@name cognos.Value
	@class JSON structure to represent parameter values.
	<br/>Possible arributes for this object are <i>children</i>, <i>display</i>, <i>end</i>, <i>inclusive</i>, <i>start</i> and <i>use</i>.
	<br/><i>inclusive</i> is always optional, default is <tt>true</tt>.
	<br/>Examples:<ul>
		<li>For simple values: <tt>{ 'use': '[a].[b].[c]', 'display': 'Canada' }</tt></li>
		<li>For range values: <tt><br/>{
			<br/>&nbsp;&nbsp;&nbsp;'start': {'use': '2007-01-01', 'display': 'January 1, 2007'}
			<br/>&nbsp;&nbsp;&nbsp;'end': {'use': '2007-12-31', 'display': 'December 31, 2007'}
			<br/>}</tt></li>
		<li>For multiple values: <tt>
			<br/>[
				<br/>&nbsp;&nbsp;{ 'use': '12', 'display': 'Canada' },
				<br/>&nbsp;&nbsp;{ 'use': '41', 'display': 'Germany' },
				<br/>&nbsp;&nbsp;{ 'use': '76', 'display': 'Japan' }
			<br/>]</tt></li></ul>
*/

cognos.Value = function( v_oProps )
{
	if (v_oProps instanceof cognos.Value)
	{
		return v_oProps;
	}
	if (typeof v_oProps == "string")
	{
		return v_oProps;
	}

	if (v_oProps && v_oProps.length)
	{
		var a = [];
		for (var i = 0; i < v_oProps.length; i++)
		{
			var v_oVal = new cognos.Value(v_oProps[i]);
			if ( v_oVal instanceof cognos.Value )
			{
				a.push( v_oVal );
			}
		}
		return a;
	}

	if ( v_oProps && v_oProps.n )
	{
		if ( v_oProps.n == "selectChoices" && v_oProps.c && v_oProps.c.length > 0 )
		{
			this.f_initWithSelectOptions( v_oProps.c[0] );
		}
		else
		{
			this.f_initWithSelectOptions( v_oProps );
		}
	}
	else
	{
		Object.f_extend( this, v_oProps );
	}
};

/**
	@static
	@private
	@return {boolean}
*/
cognos.Value.equals = function(v1, v2)
{
	var v_bRetval = false;

	var v_oVa1 = cognos.Value.getValue(v1);
	if (v_oVa1)
	{
		var v_oVa2 = cognos.Value.getValue(v2);
		if (v_oVa2)
		{
			v_bRetval = v_oVa1.f_equals(v_oVa2);
		}
	}
	return v_bRetval;
}

/**
	Cast a {use:'',display:''} object to a cognos.Value object.
	@private
	@param {cognos.Value} v_oObj object to cast.
	@return {cognos.Value}
*/
cognos.Value.getValue = function( v_oObj )
{
	var v_oVal = null;

	if (v_oObj)
	{
		if ( v_oObj instanceof cognos.Value || typeof v_oObj == "string")
		{
			v_oVal = v_oObj;
		}
		else if (v_oObj && v_oObj.length)
		{
			v_oVal = [];
			for (var i = 0; i < v_oObj.length; i++)
			{
				var v_oTemp = cognos.Value.getValue(v_oObj[i]);
				if (v_oTemp) {
					v_oVal.push( v_oTemp );
				}
			}
			if (v_oVal.length == 0) {
				v_oVal = null;
			}
			else if (v_oVal.length == 1) {
				v_oVal = v_oVal[0];
			}
		}
		else
		{
			v_oVal = new cognos.Value(v_oObj);
		}
	}
	return v_oVal;
}

/**
	@private
	@return {void}
*/
cognos.Value.prototype.f_initWithSelectOptions = function( v_oNode )
{
	switch( v_oNode.n )
	{
		case "selectBoundRange":
		case "selectUnboundedEndRange":
		case "selectUnboundedStartRange":
			if ( v_oNode.c && v_oNode.c.length > 0 )
			{
				var v_bSelected = ( v_oNode["@selected"] ? true : false );
				for ( var v_idxChild = 0; v_idxChild < v_oNode.c.length; v_idxChild++)
				{
					var v_oChildNode = v_oNode.c[ v_idxChild ];
					var v_oPV = cognos.Value.getValue( v_oChildNode );
					v_oPV["use"] = sDecodeU003( v_oChildNode["@useValue"] );
					v_oPV["display"] = sDecodeU003( v_oChildNode["@displayValue"] );
					this[ v_oChildNode.n ] = v_oPV;
				}
			}
			break;
		default:
			Object.f_extend( this, v_oNode );
			this["use"] = sDecodeU003( v_oNode["@useValue"] );
			this["display"] = sDecodeU003( v_oNode["@displayValue"] );
			break;
	}
};

/**
	@private
	@return {boolean}
*/
cognos.Value.prototype.f_equals = function(v_o)
{
	return ( v_o ? (this.f_getXML() == v_o.f_getXML()) : false );
};

/**
	Used by range control with multiple choices, to format the values selected as "Between x and y."
	@private
	@return {String}
*/
cognos.Value.prototype.f_formatDisplay = function( v_sKey, v_sValue1, v_sValue2 )
{
	var v_sRetVal = null;
	var v_sBidiMarker = null;
	if ( typeof v_sKey == K_PRMT_sSTRING )
	{
		if ( v_sKey == "between" && (v_sValue1 === null || typeof v_sValue1 == K_PRMT_sUNDEFINED || v_sValue2 === null || typeof v_sValue2 == K_PRMT_sUNDEFINED) )
		{
			v_sValue1 = v_sValue2 = null;
		}

		if ( v_sValue1 !== null && typeof v_sValue1 !== K_PRMT_sUNDEFINED )
		{
			var v_re1 = new RegExp( "\\^1", K_PRMT_sG);
			var v_sValKey = this.f_getString( v_sKey );
			if (this.contentTextDir)
			{
				v_sValue1 = PRMT_BidiUtils.enforceBidiDirection(v_sValue1, this.contentTextDir);
				v_sBidiMarker = (PRMT_BidiUtils.containsRTLChar(v_sValKey) ? PRMT_BidiUtils.BIDI_CHAR_RLM : PRMT_BidiUtils.BIDI_CHAR_LRM);
				v_sValue1 = v_sBidiMarker + v_sValue1;
			}
			v_sRetVal = v_sValKey.replace( v_re1, v_sValue1 );
		}
		if ( v_sValue2 !== null && typeof v_sValue2 !== K_PRMT_sUNDEFINED && typeof v_sRetVal == K_PRMT_sSTRING )
		{
			var v_re2 = new RegExp( "\\^2", K_PRMT_sG);
			if (this.contentTextDir)
			{
				v_sValue2 = PRMT_BidiUtils.enforceBidiDirection(v_sValue2, this.contentTextDir);				
				v_sValue2 = v_sBidiMarker + v_sValue2;
			}
			v_sRetVal = v_sRetVal.replace( v_re2, v_sValue2 );
		}
		if ( v_sRetVal && v_sBidiMarker )
		{
			v_sRetVal = (v_sBidiMarker == PRMT_BidiUtils.BIDI_CHAR_LRM ? PRMT_BidiUtils.BIDI_CHAR_LRE : PRMT_BidiUtils.BIDI_CHAR_RLE) + v_sRetVal + PRMT_BidiUtils.BIDI_CHAR_PDF;
		}
	}
	return v_sRetVal;
};

/**
	@private
	@return {String}
*/
cognos.Value.prototype.getDisplayValue = function() {
	return (this.f_getDisplay());
};

/**
	@private
	@return {String}
*/
cognos.Value.prototype.f_getDisplay = function( v_bReturnNullForMissingDisplayValues )
{
	var v_sDisplay = null;
	if ( this.display || this.display == K_PRMT_sEMPTY )
	{
		v_sDisplay = this.display;
	}
	else
	{
		var v_pvStart = this.f_getStart();
		var v_pvEnd = this.f_getEnd();

		var v_sKey = null;
		var v_sValue1 = null;
		var v_sValue2 = null;
		if ( v_pvStart )
		{
			v_sValue1 = v_pvStart.f_getDisplay( v_bReturnNullForMissingDisplayValues );
			if ( v_pvEnd )
			{
				v_sKey = ( v_pvStart.f_equals( v_pvEnd ) ? "eq" : "between" );
				v_sValue2 = v_pvEnd.f_getDisplay( v_bReturnNullForMissingDisplayValues );
			}
			else
			{
				v_sKey = "gt";
			}
		}
		else if ( v_pvEnd )
		{
			v_sKey = "lt";
			v_sValue1 = v_pvEnd.f_getDisplay( v_bReturnNullForMissingDisplayValues );
		}
		v_sDisplay = this.f_formatDisplay( v_sKey, v_sValue1, v_sValue2 );
	}

	if ( v_sDisplay === null && !v_bReturnNullForMissingDisplayValues )
	{
		v_sDisplay = this.f_getUse();
	}

	return v_sDisplay;
};

/**
	@private
	@return {String}
*/
cognos.Value.prototype.f_getString = function( v_sKey )
{
	var v_s = v_sKey;
	switch( v_sKey )
	{
		case 'eq':
			v_s = PMT_RNG_FILTER_EQUAL_STRING; break;
			break;

		case 'between':
			switch (this.promptType)
			{
				case "cognos.Prompt.Control.Date":
				case "cognos.Prompt.Control.SelectHTML5Date":
					v_s = PMT_RNG_FILTER_BETWEEN_DATE; break;
				case "cognos.Prompt.Control.DateTime":
				case "cognos.Prompt.Control.SelectHTML5DateTime":
					v_s = PMT_RNG_FILTER_BETWEEN_DATETIME; break;
				case "cognos.Prompt.Control.Time":
				case "cognos.Prompt.Control.SelectHTML5Time":
					v_s = PMT_RNG_FILTER_BETWEEN_TIME; break;
				case "cognos.Prompt.Control.Interval":
					v_s = PMT_RNG_FILTER_BETWEEN_INTERVAL; break;
				default:
					v_s = PMT_RNG_FILTER_BETWEEN_STRING; break;
			};
			break;

		case 'lt':
			switch (this.promptType)
			{
				case "cognos.Prompt.Control.Date":
				case "cognos.Prompt.Control.SelectHTML5Date":
					v_s = PMT_RNG_FILTER_LESS_THAN_EQUAL_TO_DATE; break;
				case "cognos.Prompt.Control.DateTime":
				case "cognos.Prompt.Control.SelectHTML5DateTime":
					v_s = PMT_RNG_FILTER_LESS_THAN_EQUAL_TO_DATETIME; break;
				case "cognos.Prompt.Control.Time":
				case "cognos.Prompt.Control.SelectHTML5Time":
					v_s = PMT_RNG_FILTER_LESS_THAN_EQUAL_TO_TIME; break;
				case "cognos.Prompt.Control.Interval":
					v_s = PMT_RNG_FILTER_LESS_THAN_EQUAL_TO_INTERVAL; break;
				default:
					v_s = PMT_RNG_FILTER_LESS_THAN_EQUAL_TO_STRING; break;
			};
			break;

		case 'gt':
			switch (this.promptType)
			{
				case "cognos.Prompt.Control.Date":
				case "cognos.Prompt.Control.SelectHTML5Date":
					v_s = PMT_RNG_FILTER_GREATER_THAN_EQUAL_TO_DATE; break;
				case "cognos.Prompt.Control.DateTime":
				case "cognos.Prompt.Control.SelectHTML5DateTime":
					v_s = PMT_RNG_FILTER_GREATER_THAN_EQUAL_TO_DATETIME; break;
				case "cognos.Prompt.Control.Time":
				case "cognos.Prompt.Control.SelectHTML5Time":
					v_s = PMT_RNG_FILTER_GREATER_THAN_EQUAL_TO_TIME; break;
				case "cognos.Prompt.Control.Interval":
					v_s = PMT_RNG_FILTER_GREATER_THAN_EQUAL_TO_INTERVAL; break;
				default:
					v_s = PMT_RNG_FILTER_GREATER_THAN_EQUAL_TO_STRING; break;
			};
			break;
	};

	return v_s;
};

/**
	@private
	@return {String}
*/
cognos.Value.prototype.f_getXML = function()
{
	var v_sXML = K_PRMT_sEMPTY;
	if ( this.f_isRange() )
	{
		var v_pvStart = this.f_getStart();
		var v_pvEnd = this.f_getEnd();

		if ( v_pvStart && v_pvEnd )
		{
			if ( v_pvStart.f_equals(v_pvEnd) )
			{
				v_sXML = this.f_getAsXMLElement("selectOption");
			}
			else
			{
				v_sXML = '<selectBoundRange selected="true">' +
					v_pvStart.f_getAsXMLElement( "start" ) +
					v_pvEnd.f_getAsXMLElement( "end" ) +
					'</selectBoundRange>';
			}
		}
		else if ( v_pvStart )
		{
			v_sXML= '<selectUnboundedEndRange selected="true">' +
				v_pvStart.f_getAsXMLElement( "start" ) +
				'</selectUnboundedEndRange>';
		}
		else if ( v_pvEnd )
		{
			v_sXML= '<selectUnboundedStartRange selected="true">' +
				v_pvEnd.f_getAsXMLElement( "end" ) +
				'</selectUnboundedStartRange>';
		}
	}
	else
	{
		v_sXML = this.f_getAsXMLElement("selectOption");
	}
	return v_sXML;
};

/**
	@private
	@return {void}
*/
cognos.Value.prototype.f_getAsXMLElement = function( v_sTag )
{
	var v_sXML = K_PRMT_sEMPTY;
	// create element only if use & display are NOT both empty
	var v_sUse = this.f_getUse();
	var v_sDisplay = this.f_getDisplay( true );

	if ( this.f_isNull() )
	{
		v_sXML = ' nullUse="1"';
		if ( this.display )
		{
			v_sXML += ' displayValue="' + v_sDisplay.f_xmlSafe() + '"';
		}
		else {
			v_sXML += ' nullDisplay="1"';
		}
	}
	else
	{	
		//Set the use value if it is not undefined
		if ( (typeof v_sUse) !== K_PRMT_sUNDEFINED )
		{			
			if( v_sUse || v_sUse == K_PRMT_sEMPTY ) {
				v_sXML += ' useValue="' + v_sUse.f_xmlSafe() + '"';
			}				
		}
		//Set the display value if it exists, or set it equal to the use value if it doesn't
		if ( v_sDisplay || v_sDisplay == K_PRMT_sEMPTY )
		{
			v_sXML += ' displayValue="' + v_sDisplay.f_xmlSafe() + '"';
		} 
	}

	if ( v_sXML !== K_PRMT_sEMPTY )
	{
		v_sXML = K_PRMT_sLT + v_sTag + v_sXML + K_PRMT_sSL + K_PRMT_sGT;
	}

	return v_sXML;
};

/**
	@private
	@return {String}
*/
cognos.Value.prototype.getUseValue = function()
{
	return (this.f_getUse());
};

/**
	@private
	@return {String}
*/
cognos.Value.prototype.f_getUse = function() {
	var v_sUse = null;
	if ( this['use'] || this['use'] == K_PRMT_sEMPTY)
	{
		v_sUse = (K_PRMT_sEMPTY + this['use']);
	}
	else
	{
		var v_pvStart = this.f_getStart();
		var v_pvEnd = this.f_getEnd();
		if ( v_pvStart || v_pvEnd )
		{
			if ( v_pvStart )
			{
				v_sUse = v_pvStart.f_getUse();
			}
			if ( !v_pvStart || !v_pvStart.f_equals(v_pvEnd))
			{
				v_sUse += K_PRMT_sCOLON;
				if ( v_pvEnd )
				{
					v_sUse += v_pvEnd.f_getUse();
				}
			}
		}
	}
	if ( v_sUse !== K_PRMT_sEMPTY )
	{
		this['use'] = v_sUse;
	}
	return v_sUse;
};

/**
	@private
	@return {cognos.Value}
*/
cognos.Value.prototype.f_getEnd = function()
{
	return cognos.Value.getValue( this['end'] );
};

/**
	@private
	@return {cognos.Value}
*/
cognos.Value.prototype.f_getStart = function()
{
	return cognos.Value.getValue( this['start'] );
};


/**
	@private
	@return {boolean}
*/
cognos.Value.prototype.f_isNull = function()
{
	return ( this['nil'] === true );
};

/**
	@private
	@return {boolean}
*/
cognos.Value.prototype.f_isRange = function()
{
	return ( this['start'] || this['end'] ? true : false);
};

/**
	Transform an object to a JSON string. Used by C_Choices to keep the original value as a string in <option>'s attributes.
	@private
	@param {Object} obj Object to return as JSON string.
	@return {String}
*/
cognos.Value.toJSON = function(obj)
{
	var v_sRetVal = K_PRMT_sEMPTY;
	var v_aTemp = [];
	var v_idx = 0;

	if ( (typeof obj).match(/boolean|string|number/) )
	{
		if ((typeof obj).match(/string/)) {
			return K_PRMT_sQU + jsEncodeStr(obj) + K_PRMT_sQU;
		}
		return K_PRMT_sEMPTY + obj;
	}

	if (obj instanceof Array) {
		for (v_idx = 0; v_idx < obj.length; v_idx++) {
			v_aTemp.push( cognos.Value.toJSON(obj[v_idx]) );
		}
		return "[" + v_aTemp.join(", ") + "]";
	}

	var v_aKeys = [];
	var v_reKeywords = new RegExp("^(use|display|start|end|nil)$");
	for (v_idx in obj)
	{
		if ( (K_PRMT_sEMPTY + v_idx).match(v_reKeywords) ) {
			v_aKeys.push(v_idx);
		}
	}
	v_aKeys.sort();

	var v_sJSON = K_PRMT_sEMPTY;
	if (v_aKeys.length)
	{
		for (v_idx = 0; v_idx < v_aKeys.length; v_idx++)
		{
			v_sJSON = cognos.Value.toJSON(obj[v_aKeys[v_idx]]);
			if (v_sJSON) {
				v_aTemp.push(v_aKeys[v_idx] + ": " + v_sJSON);
			}
		}
		v_sRetVal = "{" + v_aTemp.join(", ") + "}";
	}
	return v_sRetVal;
}

/**
	Transform an object to a XML string. Used by C_Choices to keep the original value as a string in <option>'s attributes.
	@private
	@param {Object} v Object to return as XML string.
	@return {String}
*/
cognos.Value.toXML = function(v)
{
	var v_oVal = cognos.Value.getValue(v);

	var v_sXML = K_PRMT_sEMPTY;
	if ((typeof v_oVal) == "string")
	{
		// from pvXML in C_Choices' <option>
		v_sXML = v_oVal;
	}
	else if ( v_oVal.length )
	{
		var v_aXML = [];
		for (var v_idxPV = 0; v_idxPV < v_oVal.length; v_idxPV++)
		{
			var v_oTemp = v_oVal[ v_idxPV ];
			var v_sTempXML = cognos.Value.toXML( v_oTemp );
			v_aXML.push( v_sTempXML );
		}
		v_sXML = v_aXML.join(K_PRMT_sEMPTY);
	}
	else if (v_oVal.length !== 0)
	{
		v_sXML = v_oVal.f_getXML();
	}

	return v_sXML;
}

var C_ParameterValue = cognos.Value; // Keep old reference for backward compatibility with custom scripts.