//
//  PreferencesController.m
//  iLyrics
//
//  Created by Kim Wittenburg on 14.06.12.
//  Copyright (c) 2012 __MyCompanyName__. All rights reserved.
//
//TODO: Implement Auto-Lyricds Interval
//TODO: 

#import "PreferencesController.h"
#import "iLyrics.h"

@implementation PreferencesController {
    AutoLyrics *autoLyrics;
    iLyrics *ilyrics;
}
@synthesize generalView;
@synthesize autoLyricsView;
@synthesize toggleAutoLyricsButton;
@synthesize replaceOldCheckBox;
@synthesize preferencesWindow;
@synthesize generalButton;
@synthesize hosterTable;

-(id)init {
    ilyrics = [iLyrics sharediLyrics];
    autoLyrics = [AutoLyrics autoLyrics];
    return [super init];
}

#pragma mark -
#pragma mark Window Delegate Methods

#define HosterDataType @"HosterDataType"
-(void)awakeFromNib {
    if ([autoLyrics enabled]) {
        [self enableAutoLyrics:toggleAutoLyricsButton];
    } else {
        [self disableAutoLyrics:toggleAutoLyricsButton];
    }
    if ([autoLyrics replaceOldLyrics]) {
        [replaceOldCheckBox setState:NSOnState];
    } else {
        [replaceOldCheckBox setState:NSOffState];
    }
    [[preferencesWindow toolbar] setSelectedItemIdentifier:@"general"];
    [self showGeneralPreferences:nil];
    [hosterTable registerForDraggedTypes:[NSArray arrayWithObject:HosterDataType]];
}

#pragma mark -
#pragma mark Modifying hosters

- (IBAction)showGeneralPreferences:(id)sender {
    [preferencesWindow setTitle:NSLocalizedString(@"iLyrics.preferences.text.general", @"")];
    [self changeContentViewTo:generalView];
}

-(IBAction)showAutoLyricsPreferences:(id)sender {
    [preferencesWindow setTitle:NSLocalizedString(@"iLyrics.preferences.text.auto-lyrics", @"")];
    [self changeContentViewTo:autoLyricsView];
}

- (IBAction)toggleAutoLyrics:(id)sender {
    if ([autoLyrics enabled]) {
        [self disableAutoLyrics:sender];
    } else {
        [self enableAutoLyrics:sender];
    }
}

-(void)enableAutoLyrics: (id) sender{
    [autoLyrics setEnabled:YES];
    [sender setTitle:NSLocalizedString(@"iLyrics.preferences.text.disableAutoLyrics", @"")];
}

-(void)disableAutoLyrics: (id) sender {
    [autoLyrics setEnabled:NO];
    [sender setTitle:NSLocalizedString(@"iLyrics.preferences.text.enableAutoLyrics", @"")];
}

- (IBAction)changeAutoLyricsInterval:(id)sender {
    NSLog(@"%i", [sender intValue]);
}

- (IBAction)toggleReplaceOldLyrics:(id)sender {
    [autoLyrics setReplaceOldLyrics:[sender state] == NSOnState];
}

- (void)changeContentViewTo: (NSView *)view {
    [preferencesWindow setContentView:view];
    //[preferencesWindow setFrame:[view frame] display:YES animate:YES];
}

#pragma mark -
#pragma mark Table Data Source
-(NSInteger)numberOfRowsInTableView:(NSTableView *)tableView {
    return [[ilyrics lyricsHosters] count];
}

-(id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)row {
    id<LyricsHoster> hoster = [[ilyrics lyricsHosters] objectAtIndex:row];
    if ([[tableColumn identifier] isEqualToString:@"hoster"]) {
        return [hoster name];
    } else {
        NSDate *version = [hoster hosterVersion];        
        NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
        [dateFormatter setDateStyle:NSDateFormatterLongStyle];
        [dateFormatter setTimeStyle:NSDateFormatterNoStyle];
        return [dateFormatter stringFromDate:version];
    }
}

#pragma mark Drag and Drop Hosters
-(BOOL)tableView:(NSTableView *)tv writeRowsWithIndexes:(NSIndexSet *)rowIndexes toPasteboard:(NSPasteboard*)pboard {
    // Copy the row numbers to the pasteboard.
    NSData *indexData = [NSKeyedArchiver archivedDataWithRootObject:rowIndexes];
    [pboard declareTypes:[NSArray arrayWithObject:HosterDataType] owner:self];
    [pboard setData:indexData forType:HosterDataType];
    return YES;
}

- (NSDragOperation)tableView:(NSTableView*)tv validateDrop:(id<NSDraggingInfo>)info proposedRow:(NSInteger)row 
       proposedDropOperation:(NSTableViewDropOperation)op {
    // Add code here to validate the drop
    return NSDragOperationMove;
}

- (BOOL)tableView:(NSTableView *)aTableView acceptDrop:(id<NSDraggingInfo>)info row:(NSInteger)row dropOperation:(NSTableViewDropOperation)operation {

    NSPasteboard* pboard = [info draggingPasteboard];
    NSData* rowData = [pboard dataForType:HosterDataType];
    NSIndexSet* rowIndexes = 
    [NSKeyedUnarchiver unarchiveObjectWithData:rowData];
    NSInteger dragRow = [rowIndexes firstIndex];
    
    if (dragRow < row) {
        [[ilyrics lyricsHosters] insertObject:[[ilyrics lyricsHosters] objectAtIndex:dragRow] atIndex:row];
        [[ilyrics lyricsHosters] removeObjectAtIndex:dragRow];
        [hosterTable noteNumberOfRowsChanged];
        [hosterTable reloadData];
        return YES;
        
    }
    
    id<LyricsHoster> draggedHoster = [[ilyrics lyricsHosters] objectAtIndex:dragRow];
    [[ilyrics lyricsHosters] removeObjectAtIndex:dragRow];
    [[ilyrics lyricsHosters] insertObject:draggedHoster atIndex:row];
    [hosterTable noteNumberOfRowsChanged];
    [hosterTable reloadData];
    
    return YES;
}

@end