/**

@file XGALogViewController.m

@package xcode-github-app

@brief The log window view controller.

@author Edward Smith

@date May 2018

@copyright Copyright © 2018 Branch. All rights reserved.

*/

#import "BNCThreads.h"

#import "XGALogViewController.h"

#import "XGASettings.h"

#import "XGAStatusPopover.h"

#import <XcodeGitHub/XcodeGitHub.h>

NSString*const XGALogUpdateNotification = @"XGALogUpdatedNotification";

#pragma mark XGALogRow

@interface XGALogRow : NSObject

@property (nonatomic, strong) NSDate*date;

@property (nonatomic, assign) BNCLogLevel logLevel;

@property (nonatomic, strong) NSImage*logLevelImage;

@property (nonatomic, strong) NSString*logMessage;

@end

@implementation XGALogRow

@end

#pragma mark - XGALogViewController

@interface XGALogViewController () <NSPopoverDelegate>

+ (NSMutableArray<XGALogRow*>*) logArray;

+ (NSImage*) imageForLogLevel:(BNCLogLevel)level;

@property (strong) NSDateFormatter*dateFormatter;

@property (strong) IBOutlet NSArrayController *arrayController;

@property (weak) IBOutlet NSTableView*tableView;

@property (strong) XGAStatusPopover*statusPopover;

@end

#pragma mark - Log Function

void XGALogFunction(NSDate*_Nonnull timestamp, BNCLogLevel level, NSString*_Nullable message) {

XGALogRow*row = [[XGALogRow alloc] init];

row.date = timestamp;

row.logLevel = level;

row.logLevelImage = [XGALogViewController imageForLogLevel:level];

if (YES) {

// Make the message pretty:

NSRange range = [message rangeOfString:@": "];

if (range.location != NSNotFound && range.location+2 < message.length)

message = [message substringFromIndex:range.location+2];

}

row.logMessage = message;

[[XGALogViewController logArray] addObject:row];

[[NSNotificationCenter defaultCenter]

postNotificationName:XGALogUpdateNotification

object:XGALogViewController.class];

}

#pragma mark - XGALogViewController

@implementation XGALogViewController

+ (void) startLog {

BNCLogSetOutputFunction(XGALogFunction);

BNCLogSetDisplayLevel(BNCLogLevelWarning);

BNCLog(@"%@ version %@(%@).",

[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleExecutable"],

[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"],

[[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleVersion"]

);

}

+ (NSMutableArray<XGALogRow*>*) logArray {

static NSMutableArray*logArray = nil;

static dispatch_once_t onceToken = 0;

dispatch_once(&onceToken, ^ {

logArray = [[NSMutableArray alloc] init];

});

return logArray;

}

+ (instancetype) new {

XGALogViewController*controller = [[XGALogViewController alloc] init];

[[NSBundle mainBundle]

loadNibNamed:NSStringFromClass(self)

owner:controller

topLevelObjects:nil];

controller.window.excludedFromWindowsMenu = YES;

[controller startObservers];

[controller updateMessageFilter];

return controller;

}

+ (NSString*) stringForLogLevel:(BNCLogLevel)level {

NSArray<NSString*>*names = @[

@"Debug SDK",

@"Break Point",

@"Debug",

@"Warning",

@"Error",

@"Assert",

@"Information"

];

return names[level];

}

+ (NSImage*) imageForLogLevel:(BNCLogLevel)level {

/*

typedef NS_ENUM(NSInteger, BNCLogLevel) {

BNCLogLevelAll = 0,

BNCLogLevelDebugSDK = BNCLogLevelAll,

BNCLogLevelBreakPoint,

BNCLogLevelDebug,

BNCLogLevelWarning,

BNCLogLevelError,

BNCLogLevelAssert,

BNCLogLevelLog,

BNCLogLevelNone,

BNCLogLevelMax

};

*/

@synchronized(self) {

static NSArray*logIcons = nil;

if (!logIcons) {

logIcons = @[

[NSImage imageNamed:@"RoundDebug"], // 0 = BNCLogLevelDebugSDK

[NSImage imageNamed:@"RoundDebug"],

[NSImage imageNamed:@"RoundDebug"],

[NSImage imageNamed:@"RoundYellow"], // 3 = BNCLogLevelWarning

[NSImage imageNamed:@"RoundRed"],

[NSImage imageNamed:@"RoundAlert"], // 5 = Assert

[NSImage imageNamed:@"RoundBlue"],

];

}

return logIcons[level];

}

}

- (void) startObservers {

if (!self.dateFormatter) {

self.dateFormatter = [[NSDateFormatter alloc] init];

self.dateFormatter.dateStyle = NSDateFormatterShortStyle;

self.dateFormatter.timeStyle = NSDateFormatterShortStyle;

}

[self.tableView setDoubleAction:@selector(showStatusPopoverAction:)];

[[NSNotificationCenter defaultCenter]

addObserver:self

selector:@selector(logUpdatedNotification:)

name:XGALogUpdateNotification

object:nil];

self.arrayController.content = self.class.logArray;

[[XGASettings shared]

addObserver:self

forKeyPath:@"showDebugMessages"

options:0

context:NULL];

}

- (void) dealloc {

[self.statusPopover close];

[[NSNotificationCenter defaultCenter] removeObserver:self];

[[XGASettings shared] removeObserver:self forKeyPath:@"showDebugMessages"];

}

- (void)observeValueForKeyPath:(NSString *)keyPath

ofObject:(id)object

change:(NSDictionary<NSKeyValueChangeKey, id> *)change

context:(void *)context {

[self updateMessageFilter];

}

- (void) updateMessageFilter {

if ([XGASettings shared].showDebugMessages) {

self.arrayController.filterPredicate = nil;

} else {

self.arrayController.filterPredicate =

[NSPredicate predicateWithFormat:@"logLevel > 2"];

}

}

- (void)logUpdatedNotification:(NSNotification*)notification {

BNCPerformBlockOnMainThreadAsync(^{

NSRect visibleRect = self.tableView.enclosingScrollView.documentVisibleRect;

NSRect contentRect = self.tableView.enclosingScrollView.documentView.frame;

// NSLog(@"Logging v: %@ c: %@.", NSStringFromRect(visibleRect), NSStringFromRect(contentRect));

[self.arrayController rearrangeObjects];

if ((visibleRect.origin.y + visibleRect.size.height) >= contentRect.size.height) {

NSInteger rowIdx = self.tableView.numberOfRows - 1;

if (rowIdx >= 0) {

// NSLog(@"Scroll to bottom: %ld.", rowIdx);

[self.tableView scrollRowToVisible:rowIdx];

}

}

});

}

- (void)tableViewSelectionDidChange:(NSNotification *)notification {

if (self.statusPopover.popover.isShown) [self showStatusPopoverAction:self.tableView];

}

- (void) showStatusPopoverAction:(id)sender {

NSInteger idx = self.tableView.selectedRow;

if (idx < 0 || idx >= [self.arrayController.arrangedObjects count]) {

[self.statusPopover close];

return;

}

XGALogRow *row = [self.arrayController.arrangedObjects objectAtIndex:idx];

if (![row isKindOfClass:XGALogRow.class]) return;

APFormattedString*status =

[[[APFormattedString

boldText:@"%@", [XGALogViewController stringForLogLevel:row.logLevel]]

plainText:@" "]

italicText:@"%@", [self.dateFormatter stringFromDate:row.date]];

if (!self.statusPopover) {

self.statusPopover = [[XGAStatusPopover alloc] init];

}

NSFont*font = [NSFont systemFontOfSize:[NSFont systemFontSize]];

self.statusPopover.statusImageView.image = [XGALogViewController imageForLogLevel:row.logLevel];

self.statusPopover.statusTextField.attributedStringValue = [status renderAttributedStringWithFont:font];

self.statusPopover.detailTextField.stringValue = row.logMessage;

NSRect r = [self.tableView rectOfRow:idx];

if ([sender isKindOfClass:NSTableView.class]) {

NSPoint p = self.window.mouseLocationOutsideOfEventStream;

r.size.width = 20.0;

r.origin.x = p.x - 10.0;

}

[self.statusPopover showRelativeToRect:r ofView:self.tableView preferredEdge:NSRectEdgeMaxY];

}

- (void)copy:(id)sender {

__auto_type copyBuffer = NSMutableString.new;

[self.tableView.selectedRowIndexes enumerateIndexesUsingBlock:^(NSUInteger idx, BOOL *stop) {

XGALogRow*row = [self.arrayController.arrangedObjects objectAtIndex:idx];

[copyBuffer appendFormat:@"%@\t%@\t%@\n",

row.date,

BNCLogStringFromLogLevel(row.logLevel),

row.logMessage];

}];

__auto_type pb = [NSPasteboard generalPasteboard];

[pb clearContents];

[pb declareTypes:@[NSPasteboardTypeString] owner:nil];

[pb setString:copyBuffer forType:NSPasteboardTypeString];

}

@end