//
 //  AppDelegate.m
 //  OBJCBrowser
 //
 //  Created by Langley, Edward on 1/4/19.
 //  Copyright © 2019 Langley, Edward. All rights reserved.
 //
 
 #import "AppDelegate.h"

 #include <objc/runtime.h>
 #include <ScriptingBridge/ScriptingBridge.h>

 
 @interface AppDelegate ()
 
 @property (weak) IBOutlet NSWindow *window;

 @property (weak) IBOutlet NSOutlineView *classOutline;
 
 @property NSMutableDictionary<NSString*, NSArray<NSString*>*> *classesSource;
 @property NSArray<NSString*> *rootClass;
 @property unsigned int classesSourceCount;
 
 //@property (weak) IBOutlet NSWindow *window;

 @end
 
 @implementation AppDelegate
 

 - (NSInteger)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item {
     if (item == nil) {
         return [self.rootClass count];
     } else {
         return [[self.classesSource valueForKey:item] count];
     }
 }
 
 - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item {
     return item != nil && [item isKindOfClass:[NSString class]] && [self.classesSource valueForKey:item] != nil && [[self.classesSource valueForKey:item] count] != 0;
 }
 
 - (id)outlineView:(NSOutlineView *)outlineView child:(NSInteger)index ofItem:(id)item {
     if (item == nil) {
         return [self.rootClass objectAtIndex:index];
     } else {
         return [[self.classesSource objectForKey:(NSString*)item]
                 objectAtIndex:index];
     }
 }
 
 - (NSView *)outlineView:(NSOutlineView *)outlineView viewForTableColumn:(NSTableColumn *)tableColumn item:(id)item {
     NSTableCellView *v = [outlineView makeViewWithIdentifier:@"ItemName"
                                                        owner:self];
     [v.textField setStringValue:item];
     return v;
 }
 

 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification {
     // Insert code here to initialize your application

     self.classesSourceCount = objc_getClassList(NULL, 0);
     Class *classesSource = (Class*)calloc(self.classesSourceCount, sizeof(Class));
     NSMutableArray<NSString*> *classList = [[NSMutableArray alloc] initWithCapacity:self.classesSourceCount];
     self.classesSource = [[NSMutableDictionary alloc] initWithCapacity:self.classesSourceCount];
 
 
     printf("There are %d classes\n", self.classesSourceCount);
     printf("Got %d classes\n",
            objc_getClassList(classesSource, self.classesSourceCount));
     
     
     for (unsigned int cur = 0; cur < self.classesSourceCount; cur++) {
         unsigned int methodCount = 0;
         Class cur_class = classesSource[cur];
         Method *methods = class_copyMethodList(cur_class, &methodCount);
         NSString *class_name = [NSString stringWithUTF8String:class_getName(cur_class)];
 //        if (!([class_name characterAtIndex:0] == '_')) {
             classList[cur] = class_name;
 //        } else {
 //            self.classesSourceCount -= 1;
 //        }
         
         NSMutableArray *method_arr = [[NSMutableArray alloc] initWithCapacity:methodCount];
         for (int cur_m = 0; cur_m < methodCount; cur_m++) {
             Method cur_method = methods[cur_m];
             NSString *method_name = [NSString stringWithUTF8String:sel_getName(method_getName(cur_method))];
             method_arr[cur_m] = method_name;
         }
         self.classesSource[class_name] = [method_arr sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
     }
     
     self.rootClass = [classList sortedArrayUsingSelector:@selector(localizedCaseInsensitiveCompare:)];
  
     self.classOutline.autoresizesOutlineColumn = YES;
     [self.classOutline setDelegate:self];
     [self.classOutline setDataSource:self];

 }
 
 
 - (void)applicationWillTerminate:(NSNotification *)aNotification {
     // Insert code here to tear down your application
 }
 
 
 @end