//
//  FriendsTimelineController.m
//  Twitterena
//
//  Created by Andy on 4/06/09
//  Copyright 2009 Andrew.Weekes.com. All rights reserved.
//

#import "FriendsTimelineController.h"
#import "FriendsTimelineDataSource.h"
#import "TwitterenaAppDelegate.h"
#import "ColorUtils.h"

@interface FriendsTimelineController (Private)
- (void)scrollToFirstUnread;
- (void)didLeaveTab:(UINavigationController*)navigationController;
@end


@implementation FriendsTimelineController

//
// UIViewController methods
//
- (void)viewDidLoad
{
    if (!isLoaded) {
        [self loadTimeline];
    }

}

- (void) dealloc
{
    [super dealloc];
}

- (void)viewWillAppear:(BOOL)animated 
{
    [super viewWillAppear:animated];

    [self.tableView setContentOffset:contentOffset animated:false];
    [self.tableView reloadData];

   self.navigationController.navigationBar.tintColor = [UIColor navigationColorForTab:tab];
    self.tableView.separatorColor = [UIColor lightGrayColor]; 

}

- (void)viewDidAppear:(BOOL)animated
{
    if (firstTimeToAppear) {
        firstTimeToAppear = false;
        [self scrollToFirstUnread];
    }
  [super viewDidAppear:animated];
    if (stopwatch) {
        LAP(stopwatch, @"viewDidAppear");
        [stopwatch release];
        stopwatch = nil;
    }
}

- (void)viewWillDisappear:(BOOL)animated
{
    contentOffset = self.tableView.contentOffset;
}

- (void)viewDidDisappear:(BOOL)animated 
{
}

- (void)didReceiveMemoryWarning 
{
#if 0
    TwitterenaAppDelegate *appDelegate = (TwitterenaAppDelegate*)[UIApplication sharedApplication].delegate;
    if (appDelegate.selectedTab != [self navigationController].tabBarItem.tag) {
        [super didReceiveMemoryWarning];
    }
#endif
}

//
// Public methods
//
- (void)loadTimeline
{
    NSString *username = [[NSUserDefaults standardUserDefaults] stringForKey:@"username"];
    NSString *password = [[NSUserDefaults standardUserDefaults] stringForKey:@"password"];
    if ([username length] != 0 && [password length] != 0) {
        self.navigationItem.leftBarButtonItem.enabled = false;
        [timelineDataSource getTimeline];
    }
    isLoaded = true;
}

- (void)restoreAndLoadTimeline:(BOOL)load
{
    firstTimeToAppear = true;
    stopwatch = [[Stopwatch alloc] init];
    tab       = [self navigationController].tabBarItem.tag;

    timelineDataSource = [[FriendsTimelineDataSource alloc] initWithController:self tweetType:tab];
    self.tableView.dataSource = timelineDataSource;
    self.tableView.delegate   = timelineDataSource;
    if (load) [self loadTimeline];
}

- (IBAction) reload:(id) sender
{
    self.navigationItem.leftBarButtonItem.enabled = false;
    [timelineDataSource getTimeline];
}

- (void)autoRefresh
{
    [self reload:nil];
}
// sound notification
-(void)playSound
{BOOL flag = [[NSUserDefaults standardUserDefaults] boolForKey:@"tweetsounds"];
  if (flag == false) return;
  {itootSound *mentionssound = [[itootSound alloc] initWithFileName:@"mentionssound.aif"];
    [mentionssound play];
  }}
- (void)postViewAnimationDidFinish
{
    if (self.navigationController.topViewController != self) return;


    if (tab == TAB_FRIENDS) {
        //
        // Do animation if the controller displays friends timeline or sent direct messages.
        //
        NSArray *indexPaths = [NSArray arrayWithObjects:[NSIndexPath indexPathForRow:0 inSection:0], nil];
        [self.tableView beginUpdates];
        [self.tableView insertRowsAtIndexPaths:indexPaths withRowAnimation:UITableViewRowAnimationTop, [self playSound]];
        [self.tableView endUpdates];
    }

}

- (void)postTweetDidSucceed:(Status*)status
{
    if (tab == TAB_FRIENDS) {
        [timelineDataSource.timeline insertStatus:status atIndex:0];
    }
}

//
// TwitterenaApPDelegate delegate
//
- (void)didLeaveTab:(UINavigationController*)navigationController
{
    navigationController.tabBarItem.badgeValue = nil;
    for (int i = 0; i < [timelineDataSource.timeline countStatuses]; ++i) {
        Status* sts = [timelineDataSource.timeline statusAtIndex:i];
        sts.unread = false;
    }
    unread = 0;
}


- (void) removeStatus:(Status*)status
{
    [timelineDataSource.timeline removeStatus:status];
    [self.tableView reloadData];
}

- (void) updateFavorite:(Status*)status
{
    [timelineDataSource.timeline updateFavorite:status];
}

- (void)scrollToFirstUnread
{
    BOOL flag = [[NSUserDefaults standardUserDefaults] boolForKey:@"autoScrollToFirstUnread"];
    if (flag == false) return;

    if (unread) {
        if (unread < [timelineDataSource.timeline countStatuses]) {
            NSIndexPath *indexPath = [NSIndexPath indexPathForRow:unread inSection:0];
            [self.tableView scrollToRowAtIndexPath:indexPath atScrollPosition: UITableViewScrollPositionBottom animated:true];
        }
    }
}
//
// TimelineDelegate
//
- (void)timelineDidUpdate:(FriendsTimelineDataSource*)sender count:(int)count insertAt:(int)position
{
    self.navigationItem.leftBarButtonItem.enabled = true;

    if (self.navigationController.tabBarController.selectedIndex == tab &&
        self.navigationController.topViewController == self) {

        [self.tableView beginUpdates];
        if (position) {
            NSMutableArray *deletion = [[[NSMutableArray alloc] init] autorelease];
            [deletion addObject:[NSIndexPath indexPathForRow:position inSection:0]];
            [self.tableView deleteRowsAtIndexPaths:deletion withRowAnimation:UITableViewRowAnimationBottom];
        }
        if (count != 0) {
            NSMutableArray *insertion = [[[NSMutableArray alloc] init] autorelease];

            int numInsert = count;
            // Avoid to create too many table cell.
            if (numInsert > 8) numInsert = 8;
            for (int i = 0; i < numInsert; ++i) {
                [insertion addObject:[NSIndexPath indexPathForRow:position + i inSection:0]];
            }        
            [self.tableView insertRowsAtIndexPaths:insertion withRowAnimation:UITableViewRowAnimationTop];
        }
        [self.tableView endUpdates];

        if (position == 0 && unread == 0) {
            [self performSelector:@selector(scrollToFirstUnread) withObject:nil afterDelay:0.4];
        }
    }
    if (count) {
        unread += count;
        [self navigationController].tabBarItem.badgeValue = [NSString stringWithFormat:@"%d", unread];

    }

}


- (void)timelineDidFailToUpdate:(FriendsTimelineDataSource*)sender position:(int)position
{
    self.navigationItem.leftBarButtonItem.enabled = true;
}
@end