ish/app/AboutViewController.m

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

#import "AboutViewController.h"
#import "AppDelegate.h"
#import "CurrentRoot.h"
#import "AppGroup.h"
#import "UserPreferences.h"
#import "UIApplication+OpenURL.h"
#import "NSObject+SaneKVO.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 *upgradeApkCell;
@property (weak, nonatomic) IBOutlet UILabel *upgradeApkLabel;
@property (weak, nonatomic) IBOutlet UIView *upgradeApkBadge;
@property (weak, nonatomic) IBOutlet UITableViewCell *exportContainerCell;

@property (weak, nonatomic) IBOutlet UILabel *versionLabel;

@end

@implementation AboutViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    [self _updateUI];
    if (self.recoveryMode) {
        self.includeDebugPanel = YES;
        self.navigationItem.title = @"Recovery Mode";
        self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithTitle:@"Exit"
                                                                                  style:UIBarButtonItemStyleDone
                                                                                 target:self
                                                                                 action:@selector(exitRecovery:)];
        self.navigationItem.leftBarButtonItem = nil;
    }
    _versionLabel.text = [NSString stringWithFormat:@"iSH %@ (Build %@)",
                          [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"],
                          [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"]];

    [UserPreferences.shared observe:@[@"capsLockMapping", @"fontSize", @"launchCommand", @"bootCommand"]
                            options:0 owner:self usingBlock:^(typeof(self) self) {
        dispatch_async(dispatch_get_main_queue(), ^{
            [self _updateUI];
        });
    }];
    [NSNotificationCenter.defaultCenter addObserver:self selector:@selector(_updateUI) name:FsUpdatedNotification object:nil];
}

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

- (IBAction)dismiss:(id)sender {
    [self dismissViewControllerAnimated:self completion:nil];
}

- (void)exitRecovery:(id)sender {
    [NSUserDefaults.standardUserDefaults setBool:NO forKey:@"recovery"];
    exit(0);
}

- (void)_updateUI {
    NSAssert(NSThread.isMainThread, @"This method needs to be called on the main thread");
    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:@" "];

    self.upgradeApkCell.userInteractionEnabled = FsNeedsRepositoryUpdate();
    self.upgradeApkLabel.enabled = FsNeedsRepositoryUpdate();
    self.upgradeApkBadge.hidden = !FsNeedsRepositoryUpdate();
    [self.tableView reloadData];
}

- (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/ish-app/ish"];
    } else if (cell == self.openTwitter) {
        [UIApplication openURL:@"https://twitter.com/tblodt"];
    } else if (cell == self.openDiscord) {
        [UIApplication openURL:@"https://discord.gg/HFAXj44"];
    } 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];
}

- (NSString *)tableView:(UITableView *)tableView titleForFooterInSection:(NSInteger)section {
    if (section == 1) { // filesystems / upgrade
        if (!FsIsManaged()) {
            return @"The current filesystem is not managed by iSH.";
        } else if (!FsNeedsRepositoryUpdate()) {
            return [NSString stringWithFormat:@"The current filesystem is using %s, which is the latest version.", NEWEST_APK_VERSION];
        } else {
            return [NSString stringWithFormat:@"An upgrade to %s is available.", NEWEST_APK_VERSION];
        }
    }
    return [super tableView:tableView titleForFooterInSection:section];
}

- (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