//
//  ShareViewController.m
//  linphoneExtension
//
//  Created by Danmei Chen on 31/05/2018.
//

#import "ShareViewController.h"

@interface ShareViewController ()

@end
static NSString* groupName = @"group.belledonne-communications.linphone";
@implementation ShareViewController

- (BOOL)isContentValid {
    // Do validation of contentText and/or NSExtensionContext attachments here
    return YES;
}

- (void)didSelectPost {
    // This is called after the user selects Post. Do the upload of contentText and/or NSExtensionContext attachments.
    
    // Inform the host that we're done, so it un-blocks its UI. Note: Alternatively you could call super's -didSelectPost, which will similarly complete the extension context.
    for (NSExtensionItem *item in self.extensionContext.inputItems) {
        for (NSItemProvider *provider in item.attachments) {
            NSUserDefaults *defaults = [[NSUserDefaults alloc] initWithSuiteName:groupName];
            // TODO: Use [provider registeredTypeIdentifiersWithFileOptions:0]; to get all type identifiers of the provider instead of this if/else if structure
            if ([provider hasItemConformingToTypeIdentifier:@"public.jpeg"]) {
                [self loadItem:provider typeIdentifier:@"public.jpeg" defaults:defaults key:@"img"];
            } else if ([provider hasItemConformingToTypeIdentifier:@"com.compuserve.gif"]) {
                [self loadItem:provider typeIdentifier:@"com.compuserve.gif" defaults:defaults key:@"img"];
            } else if ([provider hasItemConformingToTypeIdentifier:@"public.url"]) {
                [self loadItem:provider typeIdentifier:@"public.url" defaults:defaults key:@"web"];
            } else if ([provider hasItemConformingToTypeIdentifier:@"public.movie"]) {
                [self loadItem:provider typeIdentifier:@"public.movie" defaults:defaults key:@"mov"];
            } else if ([provider hasItemConformingToTypeIdentifier:@"public.plain-text"]) {
                [self loadItem:provider typeIdentifier:@"public.plain-text" defaults:defaults key:@"text"];
            } else  if ([provider hasItemConformingToTypeIdentifier:@"com.adobe.pdf"]) {
                [self loadItem:provider typeIdentifier:@"com.adobe.pdf" defaults:defaults key:@"web"];
            }
            /*else  if ([provider hasItemConformingToTypeIdentifier:@"public.png"]) {
                [self loadItem:provider typeIdentifier:@"public.png" defaults:defaults key:@"img"];
            }*/
            else{
                NSLog(@"Unkown itemprovider = %@", provider);
                [self.extensionContext completeRequestReturningItems:@[] completionHandler:nil];
            }
        }
    }
}

- (NSArray *)configurationItems {
    // To add configuration options via table cells at the bottom of the sheet, return an array of SLComposeSheetConfigurationItem here.
    return @[];
}

- (void)loadItem:(NSItemProvider *)provider typeIdentifier:(NSString *)typeIdentifier defaults:(NSUserDefaults *)defaults key:(NSString *)key {
    [provider loadItemForTypeIdentifier:typeIdentifier options:nil completionHandler:^(id<NSSecureCoding>  _Nullable item, NSError * _Null_unspecified error) {
        if([(NSObject*)item isKindOfClass:[NSDictionary class]]) {
            NSDictionary *dico = (NSDictionary *)item;
            if (dico) {
                return;
            }
        } else if([(NSObject*)item isKindOfClass:[NSURL class]]) {
            NSURL *url = (NSURL *)item;
            NSData *nsData = [NSData dataWithContentsOfURL:url];
            if (nsData) {
                NSDictionary *dict;
                // We get the corresponding PHAsset identifier so we can display the image in the app without having to duplicate it.
                NSString *imgPath = url.path;
                if ([imgPath hasPrefix:@"/var/mobile/Media/"] && ![imgPath containsString:@"OutgoingTemp"]) { // The image comes from the photos app
                    NSString *filename;
                    for ( NSString *comp in [imgPath componentsSeparatedByString:@"/"] ) {
                        if ([comp containsString:@"IMG_"]) {
                            filename = [[comp componentsSeparatedByString:@"."] firstObject];
                            break;
                        }
                    }
                    dict = @{@"nsData" : nsData,
                                @"url" : filename};
                } else {
                    dict = @{@"nsData" : nsData};
                }
                [defaults setObject:dict forKey:key];
            } else {
                NSLog(@"NSExtensionItem Error, provider = %@", provider);
                [self.extensionContext completeRequestReturningItems:@[] completionHandler:nil];
            }
        }
        else if ([(NSObject*)item isKindOfClass:[UIImage class]]) {
            NSLog(@"SHARED PHOTO UIIMAGE");
            NSData *imgData = UIImagePNGRepresentation((UIImage*)item);
            if (imgData) {
                NSDictionary *dict = @{@"nsData" : imgData,
                                      };
                [defaults setObject:dict forKey:key];
            } else {
                NSLog(@"NSExtensionItem Error, provider = %@", provider);
                [self.extensionContext completeRequestReturningItems:@[] completionHandler:nil];
            }
        }
        else {
            NSLog(@"SHARED PHOTO OTHER");
            NSDictionary *dict = @{@"name" : self.contentText};
            [defaults setObject:dict forKey:key];
        }
        
        UIResponder *responder = self;
        while (responder != nil) {
            if ([responder respondsToSelector:@selector(openURL:)]) {
                [responder performSelector:@selector(openURL:)
                                withObject:[NSURL URLWithString:@"message-linphone://" ]];
                [self.extensionContext completeRequestReturningItems:@[] completionHandler:nil];
                break;
            }
            responder = [responder nextResponder];
        }
        [defaults synchronize];
    }];
}

@end