/* $Id$ */

#include "stdafx.h"
#include "openttd.h"
#include "table/sprites.h"
#include "table/strings.h"
#include "functions.h"
#include "map.h"
#include "window.h"
#include "gui.h"
#include "viewport.h"
#include "gfx.h"
#include "sound.h"
#include "command.h"
#include "vehicle.h"
#include "station.h"
#include "airport.h"
#include "depot.h"

static byte _selected_airport_type;

static void ShowBuildAirportPicker(void);


void CcBuildAirport(bool success, TileIndex tile, uint32 p1, uint32 p2)
{
	if (success) {
		SndPlayTileFx(SND_1F_SPLAT, tile);
		ResetObjectToPlace();
	}
}

static void PlaceAirport(TileIndex tile)
{
	DoCommandP(tile, _selected_airport_type, 0, CcBuildAirport, CMD_BUILD_AIRPORT | CMD_AUTO | CMD_NO_WATER | CMD_MSG(STR_A001_CAN_T_BUILD_AIRPORT_HERE));
}

static void PlaceAir_DemolishArea(TileIndex tile)
{
	VpStartPlaceSizing(tile, 4);
}


static void BuildAirClick_Airport(Window *w)
{
	if (HandlePlacePushButton(w, 3, SPR_CURSOR_AIRPORT, 1, PlaceAirport)) ShowBuildAirportPicker();
}

static void BuildAirClick_Demolish(Window *w)
{
	HandlePlacePushButton(w, 4, ANIMCURSOR_DEMOLISH, 1, PlaceAir_DemolishArea);
}

static void BuildAirClick_Landscaping(Window *w)
{
	ShowTerraformToolbar();
}

typedef void OnButtonClick(Window *w);
static OnButtonClick * const _build_air_button_proc[] = {
	BuildAirClick_Airport,
	BuildAirClick_Demolish,
	BuildAirClick_Landscaping,
};

static void BuildAirToolbWndProc(Window *w, WindowEvent *e)
{
	switch (e->event) {
	case WE_PAINT:
		DrawWindowWidgets(w);
		break;

	case WE_CLICK:
		if (e->click.widget - 3 >= 0)
			_build_air_button_proc[e->click.widget - 3](w);
		break;

	case WE_KEYPRESS: {
		switch (e->keypress.keycode) {
			case '1': BuildAirClick_Airport(w); break;
			case '2': BuildAirClick_Demolish(w); break;
			case 'l': BuildAirClick_Landscaping(w); break;
			default: return;
		}
	} break;

	case WE_PLACE_OBJ:
		_place_proc(e->place.tile);
		break;

	case WE_PLACE_DRAG: {
		VpSelectTilesWithMethod(e->place.pt.x, e->place.pt.y, e->place.userdata);
		return;
	}

	case WE_PLACE_MOUSEUP:
		if (e->place.pt.x != -1) {
			DoCommandP(e->place.tile, e->place.starttile, 0, CcPlaySound10, CMD_CLEAR_AREA | CMD_MSG(STR_00B5_CAN_T_CLEAR_THIS_AREA));
		}
		break;

	case WE_ABORT_PLACE_OBJ:
		UnclickWindowButtons(w);
		SetWindowDirty(w);
		w = FindWindowById(WC_BUILD_STATION, 0);
		if (w != 0)
			WP(w,def_d).close = true;
		break;

	case WE_DESTROY:
		if (_patches.link_terraform_toolbar) DeleteWindowById(WC_SCEN_LAND_GEN, 0);
		break;
	}
}

static const Widget _air_toolbar_widgets[] = {
{   WWT_CLOSEBOX,   RESIZE_NONE,     7,     0,    10,     0,    13, STR_00C5,							STR_018B_CLOSE_WINDOW},
{    WWT_CAPTION,   RESIZE_NONE,     7,    11,    73,     0,    13, STR_A000_AIRPORTS,			STR_018C_WINDOW_TITLE_DRAG_THIS},
{  WWT_STICKYBOX,   RESIZE_NONE,     7,    74,    85,     0,    13, 0x0,                   STR_STICKY_BUTTON},
{      WWT_PANEL,   RESIZE_NONE,     7,     0,    41,    14,    35, 0x2E8,									STR_A01E_BUILD_AIRPORT},
{      WWT_PANEL,   RESIZE_NONE,     7,    42,    63,    14,    35, 0x2BF,									STR_018D_DEMOLISH_BUILDINGS_ETC},
{      WWT_PANEL,   RESIZE_NONE,     7,    64,    85,    14,    35, SPR_IMG_LANDSCAPING,	STR_LANDSCAPING_TOOLBAR_TIP},
{   WIDGETS_END},
};


static const WindowDesc _air_toolbar_desc = {
	640-86, 22, 86, 36,
	WC_BUILD_TOOLBAR,0,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET | WDF_STICKY_BUTTON,
	_air_toolbar_widgets,
	BuildAirToolbWndProc
};

void ShowBuildAirToolbar(void)
{
	if (_current_player == OWNER_SPECTATOR) return;
	DeleteWindowById(WC_BUILD_TOOLBAR, 0);
	AllocateWindowDescFront(&_air_toolbar_desc, 0);
	if (_patches.link_terraform_toolbar) ShowTerraformToolbar();
}

static void BuildAirportPickerWndProc(Window *w, WindowEvent *e)
{
	switch (e->event) {
	case WE_PAINT: {
		int sel;
		int rad = 4; // default catchment radious
		uint32 avail_airports;

		if (WP(w,def_d).close) return;

		sel = _selected_airport_type;
		avail_airports = GetValidAirports();

		if (!HASBIT(avail_airports, 0) && sel == AT_SMALL) sel = AT_LARGE;
		if (!HASBIT(avail_airports, 1) && sel == AT_LARGE) sel = AT_SMALL;

		/* 'Country Airport' starts at widget 3, and if its bit is set, it is
		 * available, so take its opposite value to set the disabled_state. There
		 * are only 5 available airports, so XOR with 0x1F (1 1111) */
		w->disabled_state = (avail_airports ^ 0x1F) << 3;

		_selected_airport_type = sel;
		// select default the coverage area to 'Off' (8)
		w->click_state = ((1<<3) << sel) | ((1<<8) << _station_show_coverage);
		SetTileSelectSize(_airport_size_x[sel],_airport_size_y[sel]);

		if (_patches.modified_catchment) {
			switch (sel) {
				case AT_OILRIG:        rad = CA_AIR_OILPAD;   break;
				case AT_HELIPORT:      rad = CA_AIR_HELIPORT; break;
				case AT_SMALL:         rad = CA_AIR_SMALL;    break;
				case AT_LARGE:         rad = CA_AIR_LARGE;    break;
				case AT_METROPOLITAN:  rad = CA_AIR_METRO;    break;
				case AT_INTERNATIONAL: rad = CA_AIR_INTER;    break;
			}
		}

		if (_station_show_coverage) SetTileSelectBigSize(-rad, -rad, 2 * rad, 2 * rad);

		DrawWindowWidgets(w);
    // strings such as 'Size' and 'Coverage Area'
		DrawStringCentered(74, 16, STR_305B_SIZE, 0);
		DrawStringCentered(74, 78, STR_3066_COVERAGE_AREA_HIGHLIGHT, 0);
		DrawStationCoverageAreaText(2, 104, (uint)-1, rad);
		break;
	}

	case WE_CLICK: {
		switch (e->click.widget) {
		case 3: case 4: case 5: case 6: case 7:
			_selected_airport_type = e->click.widget - 3;
			SndPlayFx(SND_15_BEEP);
			SetWindowDirty(w);
			break;
		case 8: case 9:
			_station_show_coverage = e->click.widget - 8;
			SndPlayFx(SND_15_BEEP);
			SetWindowDirty(w);
			break;
		}
	} break;

	case WE_MOUSELOOP: {
		if (WP(w,def_d).close) {
			DeleteWindow(w);
			return;
		}

		CheckRedrawStationCoverage(w);
	} break;

	case WE_DESTROY:
		if (!WP(w,def_d).close) ResetObjectToPlace();
		break;
	}
}

static const Widget _build_airport_picker_widgets[] = {
{   WWT_CLOSEBOX,   RESIZE_NONE,     7,     0,    10,     0,    13, STR_00C5,										STR_018B_CLOSE_WINDOW},
{    WWT_CAPTION,   RESIZE_NONE,     7,    11,   147,     0,    13, STR_3001_AIRPORT_SELECTION,	STR_018C_WINDOW_TITLE_DRAG_THIS},
{      WWT_PANEL,   RESIZE_NONE,     7,     0,   147,    14,   130, 0x0,													STR_NULL},
{WWT_NODISTXTBTN,   RESIZE_NONE,    14,     2,    73,    27,    38, STR_3059_SMALL,							STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},
{WWT_NODISTXTBTN,   RESIZE_NONE,    14,    74,   145,    27,    38, STR_305A_LARGE,							STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},
{WWT_NODISTXTBTN,   RESIZE_NONE,    14,     2,   145,    63,    74, STR_306B_HELIPORT,						STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},
{WWT_NODISTXTBTN,   RESIZE_NONE,    14,     2,   145,    39,    50, STR_305AA_LARGE,	  					STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},
{WWT_NODISTXTBTN,   RESIZE_NONE,    14,     2,   145,    51,    62, STR_305AB_LARGE,	  					STR_3058_SELECT_SIZE_TYPE_OF_AIRPORT},
{   WWT_CLOSEBOX,   RESIZE_NONE,    14,    14,    73,    88,    98, STR_02DB_OFF,								STR_3065_DON_T_HIGHLIGHT_COVERAGE},
{   WWT_CLOSEBOX,   RESIZE_NONE,    14,    74,   133,    88,    98, STR_02DA_ON,									STR_3064_HIGHLIGHT_COVERAGE_AREA},
{   WIDGETS_END},
};

static const WindowDesc _build_airport_desc = {
	-1, -1, 148, 131, // height, 130+1
	WC_BUILD_STATION,WC_BUILD_TOOLBAR,
	WDF_STD_TOOLTIPS | WDF_STD_BTN | WDF_DEF_WIDGET,
	_build_airport_picker_widgets,
	BuildAirportPickerWndProc
};

static void ShowBuildAirportPicker(void)
{
	AllocateWindowDesc(&_build_airport_desc);
}

void InitializeAirportGui(void)
{
	_selected_airport_type = AT_SMALL;
	_last_built_aircraft_depot_tile = 0;
}