//
//  PithosObjectNode.m
//  pithos-macos
//
// Copyright 2011 GRNET S.A. All rights reserved.
//
// Redistribution and use in source and binary forms, with or
// without modification, are permitted provided that the following
// conditions are met:
// 
//   1. Redistributions of source code must retain the above
//      copyright notice, this list of conditions and the following
//      disclaimer.
// 
//   2. Redistributions in binary form must reproduce the above
//      copyright notice, this list of conditions and the following
//      disclaimer in the documentation and/or other materials
//      provided with the distribution.
// 
// THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
// OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
// AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// 
// The views and conclusions contained in the software and
// documentation are those of the authors and should not be
// interpreted as representing official policies, either expressed
// or implied, of GRNET S.A.

#import "PithosObjectNode.h"
#import "ASIPithosRequest.h"
#import "ASIPithosObjectRequest.h"
#import "ASIPithosContainer.h"
#import "ASIPithosObject.h"
#import "ASIDownloadCache.h"
#import "PithosUtilities.h"
#import "PithosObjectNodeInfoController.h"

@implementation PithosObjectNode
@synthesize pithosContainer, pithosObject;
@synthesize isPublic;

#pragma mark -
#pragma mark Object Lifecycle

- (id)initWithPithosContainer:(ASIPithosContainer *)aPithosContainer pithosObject:(ASIPithosObject *)aPithosObject {
    if ((self = [super init])) {
        self.pithosContainer = aPithosContainer;
        self.pithosObject = aPithosObject;
        isLeafItem = YES;
    }
    return self;
}

- (void)dealloc {
    [refreshMetadataObjectRequest clearDelegatesAndCancel];
    [refreshMetadataObjectRequest release];
    [applyMetadataObjectRequest clearDelegatesAndCancel];
    [applyMetadataObjectRequest release];
    [pithosObject release];
    [pithosContainer release];
    [super dealloc];
}

#pragma mark -
#pragma mark Properties

- (NSString *)url {
    if (url == nil)
        url = [[NSString alloc] initWithFormat:@"object %@/%@/%@%@", 
               (sharingAccount ? [ASIPithosRequest storageURLWithAuthUser:sharingAccount] : [ASIPithosRequest storageURL]), 
               pithosContainer.name, 
               pithosObject.name, 
               (shared ? @"?shared" : @"")];
    return url;
}

- (NSArray *)children {
    return nil;
}

- (NSString *)displayName {
    if (displayName == nil) {
        displayName = [pithosObject.name lastPathComponent];
        if([pithosObject.name hasSuffix:@"/"])
            displayName = [displayName stringByAppendingString:@"/"];
        [displayName retain];
    }
    return [[displayName copy] autorelease];
}

- (void)setDisplayName:(NSString *)aDisplayName {    
}

- (NSImage *)icon {
    if (icon == nil)
        icon = [[[NSWorkspace sharedWorkspace] iconForFileType:[pithosObject.name pathExtension]] retain];
    return icon;
}

- (void)setPithosObject:(ASIPithosObject *)aPithosObject {
    if (![pithosObject isEqualTo:aPithosObject]) {
        [pithosObject release];
        pithosObject = [aPithosObject retain];
    }
    self.isPublic = (pithosObject.publicURI != nil);
    // Refresh browser if the object is in my shared and is no longer shared
    if (shared && !pithosObject.sharing)
        [[NSNotificationCenter defaultCenter] postNotificationName:@"PithosBrowserRefreshNeeeded" object:self];
}

#pragma mark -
#pragma mark ASIHTTPRequestDelegate

- (void)objectRequestFinished:(ASIPithosObjectRequest *)request {
    NSLog(@"URL: %@", [request url]);
    NSLog(@"cached: %d", [request didUseCachedResponse]);
    
    if ([request isEqualTo:applyMetadataObjectRequest]) {
        int responseStatusCode = applyMetadataObjectRequest.responseStatusCode;
        if (responseStatusCode != 202)
            [PithosUtilities unexpectedResponseStatusAlertWithRequest:applyMetadataObjectRequest];
        @synchronized(self) {
            [applyMetadataObjectRequest release];
            applyMetadataObjectRequest = nil;
        }
        if (responseStatusCode == 202)
            [self refreshInfo];
    } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
        [[pithosNodeInfoController window] makeFirstResponder:nil];
        self.pithosObject = [refreshMetadataObjectRequest object];
        @synchronized(self) {
            [refreshMetadataObjectRequest release];
            refreshMetadataObjectRequest = nil;
        }
    }
}

- (void)objectRequestFailed:(ASIPithosObjectRequest *)request {
    if ([request isEqualTo:applyMetadataObjectRequest]) {
        [PithosUtilities httpRequestErrorAlertWithRequest:applyMetadataObjectRequest];
        @synchronized(self) {
            [applyMetadataObjectRequest release];
            applyMetadataObjectRequest = nil;
        }
    } else if ([request isEqualTo:refreshMetadataObjectRequest]) {
        [PithosUtilities httpRequestErrorAlertWithRequest:refreshMetadataObjectRequest];
        @synchronized(self) {
            [refreshMetadataObjectRequest release];
            refreshMetadataObjectRequest = nil;
        }
    }
}

#pragma mark -
#pragma mark Info

- (void)applyInfo {
    @synchronized(self) {
        if (applyMetadataObjectRequest == nil) {
            [[pithosNodeInfoController window] makeFirstResponder:nil];
            if (sharingAccount) {
                applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name 
                                                                                                        objectName:pithosObject.name 
                                                                                                   contentEncoding:nil 
                                                                                                contentDisposition:nil 
                                                                                                          manifest:nil 
                                                                                                           sharing:nil
                                                                                                          isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse) 
                                                                                                          metadata:pithosObject.metadata
                                                                                                            update:NO] retain];
                [applyMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount];
            } else {
                applyMetadataObjectRequest = [[ASIPithosObjectRequest updateObjectMetadataRequestWithContainerName:pithosContainer.name 
                                                                                                        objectName:pithosObject.name 
                                                                                                   contentEncoding:pithosObject.contentEncoding 
                                                                                                contentDisposition:pithosObject.contentDisposition 
                                                                                                          manifest:pithosObject.manifest 
                                                                                                           sharing:(pithosObject.sharing ? pithosObject.sharing : @"")
                                                                                                          isPublic:(isPublic ? ASIPithosObjectRequestPublicTrue : ASIPithosObjectRequestPublicFalse) 
                                                                                                          metadata:pithosObject.metadata
                                                                                                            update:NO] retain];
            }
            applyMetadataObjectRequest.delegate = self;
            applyMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
            applyMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
            [[PithosUtilities prepareRequest:applyMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
        }
    }
}

- (void)refreshInfo {
    @synchronized(self) {
        if (refreshMetadataObjectRequest == nil) {
            refreshMetadataObjectRequest = [[ASIPithosObjectRequest objectMetadataRequestWithContainerName:pithosContainer.name 
                                                                                                objectName:pithosObject.name] retain];
            if (sharingAccount)
                [refreshMetadataObjectRequest setRequestUserFromDefaultTo:sharingAccount];
            refreshMetadataObjectRequest.delegate = self;
            refreshMetadataObjectRequest.didFinishSelector = @selector(objectRequestFinished:);
            refreshMetadataObjectRequest.didFailSelector = @selector(objectRequestFailed:);
            refreshMetadataObjectRequest.downloadCache = [ASIDownloadCache sharedCache];
            [[PithosUtilities prepareRequest:refreshMetadataObjectRequest priority:NSOperationQueuePriorityHigh] startAsynchronous];
        }
    }
}

#pragma mark -
#pragma mark Actions

- (void)showPithosNodeInfo:(id)sender {
    if (!pithosNodeInfoController)
        pithosNodeInfoController = [[PithosObjectNodeInfoController alloc] initWithPithosNode:self];
    [pithosNodeInfoController showWindow:sender];
    [[pithosNodeInfoController window] makeKeyAndOrderFront:sender];
    [NSApp activateIgnoringOtherApps:YES];
}

@end