#include "QF/sys.h"
#include "QF/va.h"

#include "Things.h"
#include "QuakeEd.h"
#include "Map.h"
#include "EntityClass.h"
#include "KeypairView.h"
#include "Project.h"

id  things_i;

@implementation Things

- (id) init
{
	[super init];

	things_i = self;
	lastSelected = 0;

	return self;
}

- (void) awakeFromNib
{
	// FIXME this should not be needed (bug in gnustep?)
	[flags_i selectAll: self];
	[flags_i deselectAllCells];
}

//  Load the TEXT object with the entity comment
- (id) loadEntityComment: (id)obj
{
	[entity_comment_i selectAll: self];
	[entity_comment_i
	    replaceCharactersInRange: [entity_comment_i selectedRange]
	                  withString: [NSString stringWithCString: [obj comments]]];

	return self;
}

- (id) initEntities
{
	NSString    *path;

	path = [project_i getProgDirectory];

	[prog_path_i setStringValue: path];

	[[EntityClassList alloc] initForSourceDirectory: [path cString]];

	[self loadEntityComment: [entity_classes_i objectAtIndex: lastSelected]];
	[entity_browser_i loadColumnZero];
	[[entity_browser_i matrixInColumn: 0] selectCellAtRow: lastSelected column: 0];

	[entity_browser_i setDoubleAction: @selector (doubleClickEntity:)];

	return self;
}

- (id) selectEntity: sender
{
	id  matr;

	matr = [sender matrixInColumn: 0];
	lastSelected = [matr selectedRow];
	[self loadEntityComment: [entity_classes_i objectAtIndex: lastSelected]];
	[quakeed_i makeFirstResponder: quakeed_i];

	return self;
}

- (id) doubleClickEntity: sender
{
	[map_i makeEntity: sender];
	[quakeed_i makeFirstResponder: quakeed_i];
	return self;
}

- (const char *) spawnName
{
	return [[entity_classes_i objectAtIndex: lastSelected] classname];
}

//  Flush entity classes & reload them!
- (id) reloadEntityClasses: sender
{
	EntityClass     *ent;
	NSString        *path;

	path = [prog_path_i stringValue];
	if (!path || ![path length]) {
		path = [project_i getProgDirectory];
		[prog_path_i setStringValue: path];
	}
	// Free all entity info in memory...
	[entity_classes_i removeAllObjects];
	[entity_classes_i release];

	// Now, RELOAD!
	[[EntityClassList alloc] initForSourceDirectory: [path cString]];

	lastSelected = 0;
	ent = [entity_classes_i objectAtIndex: lastSelected];
	[self loadEntityComment: [entity_classes_i objectAtIndex: lastSelected]];

	[entity_browser_i loadColumnZero];
	[[entity_browser_i matrixInColumn: 0] selectCellAtRow: lastSelected column: 0];

	[self newCurrentEntity];        // in case flags changed

	return self;
}

- (id) selectClass: (const char *)class
{
	id  classent;

	classent = [entity_classes_i classForName: class];
	if (!classent)
		return self;
	lastSelected = [entity_classes_i indexOfObject: classent];

	if (lastSelected < 0)
		lastSelected = 0;
	[self loadEntityComment: classent];
	[[entity_browser_i matrixInColumn: 0] selectCellAtRow: lastSelected column: 0];
	[[entity_browser_i matrixInColumn: 0]   scrollCellToVisibleAtRow: lastSelected
	                                                          column: 0];

	return self;
}

- (id) newCurrentEntity
{
	id          ent, classent, cell;
	const char  *classname;
	int         r, c;
	const char  *flagname;
	int         flags;

	ent = [map_i currentEntity];
	classname = [ent valueForQKey: "classname"];
	if (ent != [map_i objectAtIndex: 0])
		[self selectClass: classname];  // don't reset for world
	classent = [entity_classes_i classForName: classname];
	flagname = [ent valueForQKey: "spawnflags"];
	if (!flagname)
		flags = 0;
	else
		flags = atoi (flagname);

	// [flags_i setAutodisplay:NO];
	for (r = 0; r < 4; r++) {
		for (c = 0; c < 3; c++) {
			cell = [flags_i cellAtRow: r column: c];
			if (c < 2) {
				flagname = [classent flagName: c * 4 + r];
				[cell setTitle: [NSString stringWithCString: flagname]];
			}
			[cell setIntValue: (flags & (1 << ((c * 4) + r))) > 0];
		}
	}
	// [flags_i setAutodisplay:YES];
	[flags_i display];

//  [keyInput_i setStringValue: ""];
//  [valueInput_i setStringValue: ""];

	[keypairview_i calcViewSize];
	[keypairview_i display];

	[quakeed_i makeFirstResponder: quakeed_i];
	return self;
}

//  Clicked in the Keypair view - set as selected
- (id) setSelectedKey: (epair_t *)ep;
{
	[keyInput_i setStringValue: [NSString stringWithCString: ep->key]];
	[valueInput_i setStringValue: [NSString stringWithCString: ep->value]];
	[valueInput_i selectText: self];
	return self;
}

- (id) clearInputs
{
//  [keyInput_i setStringValue: ""];
//  [valueInput_i setStringValue: ""];

	[quakeed_i makeFirstResponder: quakeed_i];
	return self;
}

//  Action methods

- (id) addPair: sender
{
	const char  *key, *value;

	key = [[keyInput_i stringValue] cString];
	value = [[valueInput_i stringValue] cString];

	[[map_i currentEntity] setKey: key toValue: value];

	[keypairview_i calcViewSize];
	[keypairview_i display];

	[self clearInputs];
	[quakeed_i updateXY];

	return self;
}

- (id) delPair: sender
{
	[quakeed_i makeFirstResponder: quakeed_i];

	[[map_i currentEntity] removeKeyPair: [[keyInput_i stringValue] cString]];

	[keypairview_i calcViewSize];
	[keypairview_i display];

	[self clearInputs];

	[quakeed_i updateXY];

	return self;
}

//  Set the key/value fields to "angle <button value>"
- (id) setAngle: sender
{
	NSString  *value;

	value = [[sender selectedCell] title];
	if (![value compare: @"Up"])
		value = @"-1";
	else if (![value compare: @"Dn"])
		value = @"-2";

	[keyInput_i setStringValue: @"angle"];
	[valueInput_i setStringValue: value];
	[self addPair: NULL];

	[self clearInputs];

	[quakeed_i updateXY];

	return self;
}

- (id) setFlags: sender
{
	int     flags;
	int     r, c, i;
	id      cell;

	[self clearInputs];
	flags = 0;

	for (r = 0; r < 4; r++) {
		for (c = 0; c < 3; c++) {
			cell = [flags_i cellAtRow: r column: c];
			i = ([cell intValue] > 0);
			flags |= (i << ((c * 4) + r));
		}
	}

	if (!flags)
		[[map_i currentEntity] removeKeyPair: "spawnflags"];
	else
		[[map_i currentEntity] setKey: "spawnflags" toValue: va ("%i", flags)];

	[keypairview_i calcViewSize];
	[keypairview_i display];

	return self;
}

//  Fill the Entity browser
//  (Delegate method - delegated in Interface Builder)
- (void) browser: sender
   createRowsForColumn: (int)column
   inMatrix: matrix
{
	id      cell;
	int     max;
	int     i;
	id      object;

	max = [entity_classes_i count];
	i = 0;
	while (max--) {
		object = [entity_classes_i objectAtIndex: i];
		[matrix addRow];
		cell = [matrix cellAtRow: i++ column: 0];
		[cell setStringValue: [NSString
		                       stringWithCString: [object classname]]];
		[cell setLeaf: YES];
		[cell setLoaded: YES];
	}
}

@end