// $Id$

#include <NGObjWeb/WODynamicElement.h>

@class NSFileManager;

@interface PHP : WODynamicElement
{
  WOAssociation *script;
  NSFileManager *fileManager;
}

@end

#include "PHPInterpreter.h"
#include "PHPRequest.h"
#include <OGoFoundation/OGoSession.h>
#include <NGObjWeb/NGObjWeb.h>
#include "common.h"

@implementation PHP

+ (void)initialize {
  /* this is called when the class is used the first time */
  [PHPInterpreter phpInterpreter];
}

- (id)initWithName:(NSString *)_name
  associations:(NSDictionary *)_config
  template:(WOElement *)_t
{
  if ((self = [super initWithName:_name associations:_config template:_t])) {
    self->script      = OWGetProperty(_config, @"script");
    self->fileManager = [[NSFileManager defaultManager] retain];
  }
  return self;
}

- (void)dealloc {
  [self->fileManager release];
  [self->script      release];
  [super dealloc];
}

/* response generation */

- (void)appendToResponse:(WOResponse *)_response inContext:(WOContext *)_ctx {
  PHPRequest *php;
  WORequest  *rq;
  NSString   *path;
  
  rq = [_ctx request];
  
  path = [self->script stringValueInComponent:[_ctx component]];
  if ([fileManager isReadableFileAtPath:path] == NO) {
    [self logWithFormat:@"PHP: Unable to access file: %@", path];
    return;
  }
  
  [[PHPInterpreter phpInterpreter] pushContext:_ctx];
  
  php = [[PHPRequest alloc] 
	  initWithMethod:[rq method] uri:[rq uri]
	  translatedPath:path 
	  remoteUser:[(OGoSession *)[_ctx session] activeLogin]];

  if ([php startup]) {
    [php executeFileAtPath:path];
    [php shutdown];
  }
  else
    [self logWithFormat:@"could not setup PHP context!"];
  
  [php release];
  
  [[PHPInterpreter phpInterpreter] popContext];
}

@end /* PHP */