import <Foundation/CPObject.j>
import <Foundation/CPKeyValueCoding.j>


var _CPCibConnectorSourceKey        = @"_CPCibConnectorSourceKey",
    _CPCibConnectorDestinationKey   = @"_CPCibConnectorDestinationKey",
    _CPCibConnectorLabelKey         = @"_CPCibConnectorLabelKey";

@implementation _CPCibConnector : CPObject
{
    id          _source;
    id          _destination;
    CPString    _label;
}

- (void)replaceObject:(id)anObject withObject:(id)anotherObject
{
    if (_source == anObject)
        _source = anotherObject;
    
    else if (_destination == anObject)
        _destination = anotherObject;
}

@end

@implementation _CPCibConnector (CPCoding)

- (id)initWithCoder:(CPCoder)aCoder
{
    self = [super init];
    
    if (self)
    {
        _source = [aCoder decodeObjectForKey:_CPCibConnectorSourceKey];
        _destination = [aCoder decodeObjectForKey:_CPCibConnectorDestinationKey];
        _label = [aCoder decodeObjectForKey:_CPCibConnectorLabelKey];
        
#if DEBUG
        CPLog("Connection from " + [_source description] + " to " + [_destination description] + " and label " + _label + " decoded.");
#endif
    }
    
    return self;
}

- (void)encodeWithCoder:(CPCoder)aCoder
{
    [aCoder encodeObject:_source forKey:_CPCibConnectorSourceKey];
    [aCoder encodeObject:_destination forKey:_CPCibConnectorDestinationKey];
    [aCoder encodeObject:_label forKey:_CPCibConnectorLabelKey];
}

@end

@implementation _CPCibControlConnector : _CPCibConnector
{
}

- (void)establishConnection
{
#if DEBUG
    CPLog('[' + [_source description] + " setTarget: " + [_destination description] + ']');
    CPLog('[' + [_source description] + " setAction: " + _label + ']');
#endif

    var selectorName = _label;
    
    if (![selectorName hasSuffix:@":"])
        selectorName += ':';

    var selector = CPSelectorFromString(selectorName);

    if (!selector)
        [CPException
            raise:CPInvalidArgumentException
           reason:@"-[" + [self className] + ' ' + _cmd + @"] selector "  + selectorName + @" does not exist."];

    if ([_source respondsToSelector:@selector(setAction:)])
        objj_msgSend(_source, @selector(setAction:), selector);
    
    else
        [CPException
            raise:CPInvalidArgumentException
           reason:@"-[" + [self className] + ' ' + _cmd + @"] " + [_source description] + " does not respond to setAction:"];

    if ([_source respondsToSelector:@selector(setTarget:)])
        objj_msgSend(_source, @selector(setTarget:), _destination);

    else
        [CPException
            raise:CPInvalidArgumentException
           reason:@"-[" + [self className] + ' ' + _cmd + @"] " + [_source description] + " does not respond to setTarget:"];
}

@end

@implementation _CPCibOutletConnector : _CPCibConnector
{
}

- (void)establishConnection
{
#if DEBUG
    CPLog([_source description] + " setValue: " + [_destination description] + " forKey: " + _label);
#endif
    
    [_source setValue:_destination forKey:_label];
}

@end