//
//  LAViewController.m
//  photobackup
//
//  Created by Nick O'Neill on 10/20/13.
//  Copyright (c) 2013 The Camlistore Authors. All rights reserved.
//

#import "LAViewController.h"
#import "LACamliClient.h"
#import "LAAppDelegate.h"
#import "LACamliUtil.h"
#import "SettingsViewController.h"
#import "LACamliUploadOperation.h"
#import "UploadStatusCell.h"
#import "UploadTaskCell.h"
#import "LACamliFile.h"
#import <BugshotKit.h>

@implementation LAViewController

- (void)viewDidLoad
{
    [super viewDidLoad];

    _operations = [NSMutableArray array];

    self.navigationItem.title = @"camlistore";

    UIBarButtonItem* reportItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemAction
                                                                                target:self
                                                                                action:@selector(reportBug)];

    [self.navigationItem setLeftBarButtonItem:reportItem];

    UIBarButtonItem* settingsItem = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemEdit
                                                                                  target:self
                                                                                  action:@selector(showSettings)];

    [self.navigationItem setRightBarButtonItem:settingsItem];

    [[NSNotificationCenter defaultCenter] addObserverForName:@"statusText" object:nil queue:nil usingBlock:^(NSNotification *note)
    {
        UploadStatusCell* cell = (UploadStatusCell*)[_table cellForRowAtIndexPath:[NSIndexPath indexPathForRow:0
                                                                                                     inSection:0]];

        dispatch_async(dispatch_get_main_queue(), ^{
            cell.status.text = note.object[@"text"];
        });
    }];

    [[NSNotificationCenter defaultCenter] addObserverForName:@"errorText" object:nil queue:nil usingBlock:^(NSNotification *note)
    {
        UploadStatusCell* cell = (UploadStatusCell*)[_table cellForRowAtIndexPath:[NSIndexPath indexPathForRow:0
                                                                                                     inSection:0]];

        dispatch_async(dispatch_get_main_queue(), ^{
            cell.error.text = note.object[@"text"];
        });
    }];
}

- (void)viewDidAppear:(BOOL)animated
{
    NSURL* serverURL = [NSURL URLWithString:[[NSUserDefaults standardUserDefaults] stringForKey:CamliServerKey]];
    NSString* username = [[NSUserDefaults standardUserDefaults] stringForKey:CamliUsernameKey];

    NSString* password = nil;
    if (username) {
        password = [LACamliUtil passwordForUsername:username];
    }

    if (!serverURL || !username || !password) {
        [self showSettings];
    }
}

- (void)reportBug
{
    [BugshotKit show];
}

- (void)showSettings
{
    SettingsViewController* settings = [self.storyboard instantiateViewControllerWithIdentifier:@"settings"];
    [settings setParent:self];

    [self presentViewController:settings
                       animated:YES
                     completion:nil];
}

- (void)dismissSettings
{
    [self dismissViewControllerAnimated:YES
                             completion:nil];

    [(LAAppDelegate*)[[UIApplication sharedApplication] delegate] loadCredentials];
}

#pragma mark - client delegate methods

- (void)addedUploadOperation:(LACamliUploadOperation*)op
{
    @synchronized(_operations)
    {
        NSIndexPath* path = [NSIndexPath indexPathForRow:[_operations count]
                                               inSection:1];

        [_operations addObject:op];
        [_table insertRowsAtIndexPaths:@[
                                           path
                                       ]
                      withRowAnimation:UITableViewRowAnimationAutomatic];
    }
}

- (void)finishedUploadOperation:(LACamliUploadOperation*)op
{
    NSIndexPath* path = [NSIndexPath indexPathForRow:[_operations indexOfObject:op]
                                           inSection:1];

    @synchronized(_operations)
    {
        [_operations removeObject:op];
        [_table deleteRowsAtIndexPaths:@[
                                           path
                                       ]
                      withRowAnimation:UITableViewRowAnimationAutomatic];
    }
}

- (void)uploadProgress:(float)pct forOperation:(LACamliUploadOperation*)op
{
    NSIndexPath* path = [NSIndexPath indexPathForRow:[_operations indexOfObject:op]
                                           inSection:1];
    UploadTaskCell* cell = (UploadTaskCell*)[_table cellForRowAtIndexPath:path];

    cell.progress.progress = pct;
}

#pragma mark - table view methods

- (UITableViewCell*)tableView:(UITableView*)tableView cellForRowAtIndexPath:(NSIndexPath*)indexPath
{
    if (indexPath.section == 0) {
        UploadStatusCell* cell = [tableView dequeueReusableCellWithIdentifier:@"statusCell"
                                                                 forIndexPath:indexPath];

        return cell;
    } else {
        UploadTaskCell* cell = [tableView dequeueReusableCellWithIdentifier:@"taskCell"
                                                               forIndexPath:indexPath];

        cell.progress.progress = 0.0;

        LACamliUploadOperation* op = [_operations objectAtIndex:indexPath.row];
        [cell.displayText setText:[NSString stringWithFormat:@"%@", [op name]]];
        [cell.preview setImage:[op.file thumbnail]];

        return cell;
    }

    return nil;
}

- (NSString*)tableView:(UITableView*)tableView titleForHeaderInSection:(NSInteger)section
{
    NSString* title = @"";

    if (section == 0) {
        title = @"status";
    } else {
        title = @"uploads";
    }

    return title;
}

- (NSInteger)numberOfSectionsInTableView:(UITableView*)tableView
{
    return 2;
}

- (NSInteger)tableView:(UITableView*)tableView numberOfRowsInSection:(NSInteger)section
{
    if (section == 0) {
        return 1;
    } else {
        return [_operations count];
    }
}

#pragma mark - other

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

- (void)dealloc
{
    [[NSNotificationCenter defaultCenter] removeObserver:self];
}

@end