//
//  AboutViewController.m
//  iSH
//
//  Created by Theodore Dubois on 9/23/18.
//

#import "UIApplication+OpenURL.h"
#import "AboutViewController.h"
#import "UserPreferences.h"
#import "AppGroup.h"

@interface AboutViewController ()
@property (weak, nonatomic) IBOutlet UITableViewCell *capsLockMappingCell;
@property (weak, nonatomic) IBOutlet UITableViewCell *themeCell;
@property (weak, nonatomic) IBOutlet UISwitch *disableDimmingSwitch;
@property (weak, nonatomic) IBOutlet UITextField *launchCommandField;
@property (weak, nonatomic) IBOutlet UITextField *bootCommandField;

@property (weak, nonatomic) IBOutlet UITableViewCell *sendFeedback;
@property (weak, nonatomic) IBOutlet UITableViewCell *openGithub;
@property (weak, nonatomic) IBOutlet UITableViewCell *openTwitter;
@property (weak, nonatomic) IBOutlet UITableViewCell *openDiscord;

@property (weak, nonatomic) IBOutlet UITableViewCell *exportContainerCell;

@end

@implementation AboutViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self _addObservers];
    [self _updatePreferenceUI];
}

- (void)dealloc {
    [self _removeObservers];
}

- (void)_addObservers {
    UserPreferences *prefs = [UserPreferences shared];
    NSKeyValueObservingOptions opts = NSKeyValueObservingOptionNew;
    
    [prefs addObserver:self forKeyPath:@"capsLockMapping" options:opts context:nil];
    [prefs addObserver:self forKeyPath:@"fontSize" options:opts context:nil];
    [prefs addObserver:self forKeyPath:@"launchCommand" options:opts context:nil];
    [prefs addObserver:self forKeyPath:@"bootCommand" options:opts context:nil];
}

- (void)_removeObservers {
    @try {
        UserPreferences *prefs = [UserPreferences shared];
        [prefs removeObserver:self forKeyPath:@"capsLockMapping"];
        [prefs removeObserver:self forKeyPath:@"fontSize"];
        [prefs removeObserver:self forKeyPath:@"launchCommand"];
        [prefs removeObserver:self forKeyPath:@"bootCommand"];
    } @catch (NSException * __unused exception) {}
}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context {
    if ([object isKindOfClass:[UserPreferences class]]) {
        [self _updatePreferenceUI];
    } else {
        [super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
    }
}

- (void)_updatePreferenceUI {
    UserPreferences *prefs = UserPreferences.shared;
    self.themeCell.detailTextLabel.text = prefs.theme.presetName;
    self.disableDimmingSwitch.on = UserPreferences.shared.shouldDisableDimming;
    self.launchCommandField.text = [UserPreferences.shared.launchCommand componentsJoinedByString:@" "];
    self.bootCommandField.text = [UserPreferences.shared.bootCommand componentsJoinedByString:@" "];
}

- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {
    UITableViewCell *cell = [tableView cellForRowAtIndexPath:indexPath];
    if (cell == self.sendFeedback) {
        [UIApplication openURL:@"mailto:tblodt@icloud.com?subject=Feedback%20for%20iSH"];
    } else if (cell == self.openGithub) {
        [UIApplication openURL:@"https://github.com/tbodt/ish"];
    } else if (cell == self.openTwitter) {
        [UIApplication openURL:@"https://twitter.com/tblodt"];
    } else if (cell == self.openDiscord) {
        [UIApplication openURL:@"https://discord.gg/SndDh5y"];
    } else if (cell == self.exportContainerCell) {
        // copy the files to the app container so they can be extracted from iTunes file sharing
        NSURL *container = ContainerURL();
        NSURL *documents = [NSFileManager.defaultManager URLsForDirectory:NSDocumentDirectory inDomains:NSUserDomainMask][0];
        [NSFileManager.defaultManager removeItemAtURL:[documents URLByAppendingPathComponent:@"roots copy"] error:nil];
        [NSFileManager.defaultManager copyItemAtURL:[container URLByAppendingPathComponent:@"roots"]
                                              toURL:[documents URLByAppendingPathComponent:@"roots copy"]
                                              error:nil];
    }
    [tableView deselectRowAtIndexPath:indexPath animated:YES];
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
    NSInteger sections = [super numberOfSectionsInTableView:tableView];
    if (!self.includeDebugPanel)
        sections--;
    return sections;
}

- (IBAction)disableDimmingChanged:(id)sender {
    UserPreferences.shared.shouldDisableDimming = self.disableDimmingSwitch.on;
}

- (IBAction)textBoxSubmit:(id)sender {
    [sender resignFirstResponder];
}

- (IBAction)launchCommandChanged:(id)sender {
    UserPreferences.shared.launchCommand = [self.launchCommandField.text componentsSeparatedByString:@" "];
}

- (IBAction)bootCommandChanged:(id)sender {
    UserPreferences.shared.bootCommand = [self.bootCommandField.text componentsSeparatedByString:@" "];
}

@end