// -*- Mode: ObjC; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4; fill-column: 100 -*-
//
// This file is part of the LibreOffice project.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#import "config.h"

#import "DocumentBrowserViewController.h"
#import "Document.h"
#import "DocumentViewController.h"
#import "TemplateCollectionViewController.h"

@interface DocumentBrowserViewController () <UIDocumentBrowserViewControllerDelegate>

@end

@implementation DocumentBrowserViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    self.delegate = self;
    self.allowsDocumentCreation = YES;
    self.allowsPickingMultipleItems = NO;

    // Update the style of the UIDocumentBrowserViewController
    // self.browserUserInterfaceStyle = UIDocumentBrowserUserInterfaceStyleDark;
    // self.view.tintColor = [UIColor whiteColor];

    // Specify the allowed content types of your application via the Info.plist.

    // Do any additional setup after loading the view, typically from a nib.
}

- (void)documentBrowser:(UIDocumentBrowserViewController *)controller didRequestDocumentCreationWithHandler:(void (^)(NSURL * _Nullable, UIDocumentBrowserImportMode))importHandler {
    UIStoryboard *storyBoard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
    TemplateCollectionViewController *templateCollectionViewController = [storyBoard instantiateViewControllerWithIdentifier:@"TemplateCollectionViewController"];
    [self presentViewController:templateCollectionViewController animated:YES completion:nil];

#if 0
    NSURL *newDocumentURL = nil;

    // Set the URL for the new document here. Optionally, you can present a template chooser before calling the importHandler.
    // Make sure the importHandler is always called, even if the user cancels the creation request.
    if (newDocumentURL != nil) {
        importHandler(newDocumentURL, UIDocumentBrowserImportModeMove);
    } else {
        importHandler(newDocumentURL, UIDocumentBrowserImportModeNone);
    }
#endif
}

-(void)documentBrowser:(UIDocumentBrowserViewController *)controller didPickDocumentURLs:(NSArray<NSURL *> *)documentURLs {
    NSURL *sourceURL = documentURLs.firstObject;
    if (!sourceURL) {
        return;
    }

    // Present the Document View Controller for the first document that was picked.
    // If you support picking multiple items, make sure you handle them all.
    [self presentDocumentAtURL:sourceURL];
}

- (void)documentBrowser:(UIDocumentBrowserViewController *)controller didImportDocumentAtURL:(NSURL *)sourceURL toDestinationURL:(NSURL *)destinationURL {
    // Present the Document View Controller for the new newly created document
    [self presentDocumentAtURL:destinationURL];
}

- (void)documentBrowser:(UIDocumentBrowserViewController *)controller failedToImportDocumentAtURL:(NSURL *)documentURL error:(NSError * _Nullable)error {
    // Make sure to handle the failed import appropriately, e.g., by presenting an error message to the user.
}

- (void)presentDocumentAtURL:(NSURL *)documentURL {
    UIStoryboard *storyBoard = [UIStoryboard storyboardWithName:@"Main" bundle:nil];
    DocumentViewController *documentViewController = [storyBoard instantiateViewControllerWithIdentifier:@"DocumentViewController"];
    documentViewController.document = [[Document alloc] initWithFileURL:documentURL];
    documentViewController.document->fakeClientFd = -1;
    documentViewController.document.viewController = documentViewController;
    [self presentViewController:documentViewController animated:YES completion:nil];
}

@end

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