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//
//  MasterViewController.m
//  Juick
//
//  Created by Vitaly Takmazov on 26.10.13.
//  Copyright (c) 2013 com.juick. All rights reserved.
//

#import "MessagesViewController.h"
#import "MessageCell.h"

#import "Message.h"
#import "ColorScheme.h"

#import "NewPostViewController.h"


#import "NSURL+PathParameters.h"

static NSString *CellIdentifier = @"MessageCell";


@interface MessagesViewController ();

@property(nonatomic, strong) NSMutableArray *messages;
@property(nonatomic, assign) Boolean dataLoading;
@property(nonatomic, strong) NSString *path;
@property(nonatomic, strong) NSMutableDictionary *params;

@end

@implementation MessagesViewController

- (void)loadFromPath:(NSString *)messagesPath withParams:(NSDictionary *)params withTitle:(NSString *)title
{
    [self setPath:messagesPath];
    [self setParams:[[NSMutableDictionary alloc] initWithDictionary:params]];
    self.title = title;
    __weak MessagesViewController * weakSelf = self;
    [self.messages removeAllObjects];
    [weakSelf refreshData];
}

- (void) refreshData {
    if ([self.path isEqualToString:[Message threadUrl]]) {
        [self.messages removeAllObjects];
    }
    dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
        self.dataLoading = YES;
        [Message pullNextFromPath:self.path params:self.params callback:^(NSArray *next) {
            [self.messages addObjectsFromArray:next];
            [self.tableView performSelectorOnMainThread:@selector(reloadData) withObject:nil waitUntilDone:NO];
            [self.refreshControl performSelectorOnMainThread:@selector(endRefreshing) withObject:nil waitUntilDone:NO];
            self.dataLoading = NO;
        }];
    });
}

- (UIStatusBarStyle)preferredStatusBarStyle
{
    return UIStatusBarStyleLightContent;
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    self.dataLoading = NO;
    [self.view setBackgroundColor:[ColorScheme mainBackground]];
    self.messages = [NSMutableArray array];
    
    SWRevealViewController *revealController = [self revealViewController];
    if (revealController) {
        // TODO: add to thread view too
        [self.view addGestureRecognizer:[revealController panGestureRecognizer]];
    }

    [self.tableView registerNib:[UINib nibWithNibName:@"MessageCell" bundle:nil] forCellReuseIdentifier:CellIdentifier];
    self.tableView.rowHeight = UITableViewAutomaticDimension;
    self.tableView.estimatedRowHeight = 500.0f;
    self.refreshControl = [UIRefreshControl new];
    [self.refreshControl addTarget:self action:@selector(refreshData) forControlEvents:UIControlEventValueChanged];}

- (void) composePressed {
    CATransition* transition = [CATransition animation];
    transition.duration = 0.3;
    transition.type = kCATransitionFade;
    transition.subtype = kCATransitionFromTop;
    
    [self.navigationController.view.layer addAnimation:transition forKey:kCATransition];
    [self.navigationController pushViewController:[[NewPostViewController alloc] init] animated:NO];
}

- (void)viewDidAppear:(BOOL)animated
{
    [super viewDidAppear:animated];
    if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
        [[NSNotificationCenter defaultCenter] addObserver:self
                                                 selector:@selector(contentSizeCategoryChanged:)
                                                 name:UIContentSizeCategoryDidChangeNotification
                                                   object:nil];
    }
}

- (void)viewDidDisappear:(BOOL)animated
{
    [super viewDidDisappear:animated];
    if (NSFoundationVersionNumber > NSFoundationVersionNumber_iOS_6_1) {
        [[NSNotificationCenter defaultCenter] removeObserver:self
                                                        name:UIContentSizeCategoryDidChangeNotification
                                                        object:nil];
    }
}

- (void)contentSizeCategoryChanged:(NSNotification *)notification
{
    [self.tableView reloadData];
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    return 1;
}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
    return _messages.count;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
    MessageCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier forIndexPath:indexPath];
    Message *msg = [_messages objectAtIndex:indexPath.row];
    [cell setMessage:msg];
    if ([msg.attach length] > 0) {
        __weak MessagesViewController * weakSelf = self;
        [cell.attach yy_setImageWithURL:[NSURL URLWithString:msg.attach] placeholder:[UIImage imageNamed:@"AttachPlaceholder"] options:YYWebImageOptionProgressiveBlur | YYWebImageOptionSetImageWithFadeAnimation completion:^(UIImage * _Nullable image, NSURL * _Nonnull url, YYWebImageFromType from, YYWebImageStage stage, NSError * _Nullable error) {
            [cell setNeedsUpdateConstraints];
            [cell updateConstraintsIfNeeded];
            [cell setNeedsLayout];
            [cell layoutIfNeeded];
        }];
        
    } else {
        cell.attach.image = nil;
    }
    
    return cell;
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    if ([self.path isEqualToString:[Message threadUrl]])
        return;
    Message *msg = [_messages objectAtIndex:indexPath.row];
    MessagesViewController *threadViewController = [[MessagesViewController alloc] init];
    [threadViewController loadFromPath:[Message threadUrl] withParams:[NSDictionary dictionaryWithObjectsAndKeys:msg.MID, @"mid", nil] withTitle:@"Thread"];
    [self.navigationController pushViewController:threadViewController animated:NO];
}

-(void)splitViewController:(UISplitViewController *)svc willShowViewController:(UIViewController *)aViewController invalidatingBarButtonItem:(UIBarButtonItem *)barButtonItem {
    self.navigationItem.leftBarButtonItem = nil;
}

-(void)splitViewController:(UISplitViewController *)svc willHideViewController:(UIViewController *)aViewController withBarButtonItem:(UIBarButtonItem *)barButtonItem forPopoverController:(UIPopoverController *)pc {
    self.navigationItem.leftBarButtonItem = barButtonItem;
}

-(void)scrollViewDidScroll:(UIScrollView *)scrollView_ {
    CGFloat actualPosition = scrollView_.contentOffset.y;
    CGFloat contentHeight = scrollView_.contentSize.height - scrollView_.contentSize.height / 2;
    if (actualPosition >= contentHeight && !self.dataLoading) {
        NSNumber *lastMid = ((Message *)[self.messages lastObject]).MID;
        if (![self.path isEqualToString:[Message threadUrl]]) {
            [self.params setValue:lastMid forKey:@"before_mid"];
        }
        [self refreshData];
    }
}


@end