/* $Id$ */

#include "stdafx.h"
#include "openttd.h"
#include "table/strings.h"
#include "functions.h"
#include "window.h"
#include "gui.h"
#include "gfx.h"
#include "player.h"
#include "network.h"
#include "variables.h"

extern void SwitchMode(int new_mode);

static const Widget _select_game_widgets[] = {
{    WWT_CAPTION, RESIZE_NONE, 13,   0, 335,   0,  13, STR_0307_OPENTTD,       STR_NULL},
{     WWT_IMGBTN, RESIZE_NONE, 13,   0, 335,  14, 196, STR_NULL,               STR_NULL},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12,  10, 167,  22,  33, STR_0140_NEW_GAME,      STR_02FB_START_A_NEW_GAME},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12, 168, 325,  22,  33, STR_0141_LOAD_GAME,     STR_02FC_LOAD_A_SAVED_GAME},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12,  10, 167,  40,  51, STR_0220_CREATE_SCENARIO,STR_02FE_CREATE_A_CUSTOMIZED_GAME},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12, 168, 325,  40,  51, STR_029A_PLAY_SCENARIO, STR_0303_START_A_NEW_GAME_USING},
{    WWT_PANEL_2, RESIZE_NONE, 12,  10,  86,  59, 113, 0x1312,                 STR_030E_SELECT_TEMPERATE_LANDSCAPE},
{    WWT_PANEL_2, RESIZE_NONE, 12,  90, 166,  59, 113, 0x1314,                 STR_030F_SELECT_SUB_ARCTIC_LANDSCAPE},
{    WWT_PANEL_2, RESIZE_NONE, 12, 170, 246,  59, 113, 0x1316,                 STR_0310_SELECT_SUB_TROPICAL_LANDSCAPE},
{    WWT_PANEL_2, RESIZE_NONE, 12, 250, 326,  59, 113, 0x1318,                 STR_0311_SELECT_TOYLAND_LANDSCAPE},

{      WWT_PANEL, RESIZE_NONE, 12, 219, 254, 120, 131, STR_NULL,               STR_NULL},
{    WWT_TEXTBTN, RESIZE_NONE, 12, 255, 266, 120, 131, STR_0225,               STR_NULL},
{      WWT_PANEL, RESIZE_NONE, 12, 279, 314, 120, 131, STR_NULL,               STR_NULL},
{    WWT_TEXTBTN, RESIZE_NONE, 12, 315, 326, 120, 131, STR_0225,               STR_NULL},

{ WWT_PUSHTXTBTN, RESIZE_NONE, 12,  10, 167, 138, 149, STR_SINGLE_PLAYER,      STR_02FF_SELECT_SINGLE_PLAYER_GAME},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12, 168, 325, 138, 149, STR_MULTIPLAYER,        STR_0300_SELECT_MULTIPLAYER_GAME},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12,  10, 167, 159, 170, STR_0148_GAME_OPTIONS,  STR_0301_DISPLAY_GAME_OPTIONS},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12, 168, 325, 159, 170, STR_01FE_DIFFICULTY,    STR_0302_DISPLAY_DIFFICULTY_OPTIONS},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12,  10, 167, 177, 188, STR_CONFIG_PATCHES,     STR_CONFIG_PATCHES_TIP},
{ WWT_PUSHTXTBTN, RESIZE_NONE, 12, 168, 325, 177, 188, STR_0304_QUIT,          STR_0305_QUIT_OPENTTD},
{    WIDGETS_END },
};

extern void HandleOnEditText(WindowEvent *e);
extern void HandleOnEditTextCancel(void);

static inline void CreateScenario(void) {_switch_mode = SM_EDITOR;}

static inline void SetNewLandscapeType(byte landscape)
{
	_opt_newgame.landscape = landscape;
	InvalidateWindowClasses(WC_SELECT_GAME);
}

static void SelectGameWndProc(Window *w, WindowEvent *e)
{
	/* We do +/- 6 for the map_xy because 64 is 2^6, but it is the lowest available element */
	static const StringID mapsizes[] = {STR_64, STR_128, STR_256, STR_512, STR_1024, STR_2048, INVALID_STRING_ID};

	switch (e->event) {
	case WE_PAINT:
		w->click_state = (w->click_state & ~(1 << 14) & ~(0xF << 6)) | (1 << (_opt_newgame.landscape + 6)) | (1 << 14);
		SetDParam(0, STR_6801_EASY + _opt_newgame.diff_level);
		DrawWindowWidgets(w);

		DrawStringRightAligned(216, 121, STR_MAPSIZE, 0);
		DrawString(223, 121, mapsizes[_patches.map_x - 6], 0x10);
		DrawString(270, 121, STR_BY, 0);
		DrawString(283, 121, mapsizes[_patches.map_y - 6], 0x10);
		break;

	case WE_CLICK:
		switch (e->click.widget) {
		case 2: AskForNewGameToStart(); break;
		case 3: ShowSaveLoadDialog(SLD_LOAD_GAME); break;
		case 4: CreateScenario(); break;
		case 5: ShowSaveLoadDialog(SLD_LOAD_SCENARIO); break;
		case 6: case 7: case 8: case 9:
			SetNewLandscapeType(e->click.widget - 6);
			break;
		case 10: case 11: /* Mapsize X */
			ShowDropDownMenu(w, mapsizes, _patches.map_x - 6, 11, 0, 0);
			break;
		case 12: case 13: /* Mapsize Y */
			ShowDropDownMenu(w, mapsizes, _patches.map_y - 6, 13, 0, 0);
			break;
		case 15:
#ifdef ENABLE_NETWORK
			if (!_network_available) {
				ShowErrorMessage(INVALID_STRING_ID, STR_NETWORK_ERR_NOTAVAILABLE, 0, 0);
			} else
				ShowNetworkGameWindow();
#else
			ShowErrorMessage(INVALID_STRING_ID ,STR_NETWORK_ERR_NOTAVAILABLE, 0, 0);
#endif
			break;
		case 16: ShowGameOptions(); break;
		case 17: ShowGameDifficulty(); break;
		case 18: ShowPatchesSelection(); break;
		case 19: AskExitGame(); break;
		}
		break;

	case WE_ON_EDIT_TEXT: HandleOnEditText(e); break;
	case WE_ON_EDIT_TEXT_CANCEL: HandleOnEditTextCancel(); break;

	case WE_DROPDOWN_SELECT: /* Mapsize selection */
		switch (e->dropdown.button) {
			case 11: _patches.map_x = e->dropdown.index + 6; break;
			case 13: _patches.map_y = e->dropdown.index + 6; break;
		}
		SetWindowDirty(w);
		break;
	}

}

static const WindowDesc _select_game_desc = {
	WDP_CENTER, WDP_CENTER, 336, 197,
	WC_SELECT_GAME,0,
	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_UNCLICK_BUTTONS,
	_select_game_widgets,
	SelectGameWndProc
};

void ShowSelectGameWindow(void)
{
	AllocateWindowDesc(&_select_game_desc);
}

void GenRandomNewGame(uint32 rnd1, uint32 rnd2)
{
	_random_seeds[0][0] = rnd1;
	_random_seeds[0][1] = rnd2;

	SwitchMode(SM_NEWGAME);
}

void StartScenarioEditor(uint32 rnd1, uint32 rnd2)
{
	_random_seeds[0][0] = rnd1;
	_random_seeds[0][1] = rnd2;

	SwitchMode(SM_START_SCENARIO);
}

static const Widget _ask_abandon_game_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE,  4,   0,  10,   0,  13, STR_00C5,      STR_018B_CLOSE_WINDOW},
{  WWT_CAPTION, RESIZE_NONE,  4,  11, 179,   0,  13, STR_00C7_QUIT, STR_NULL},
{   WWT_IMGBTN, RESIZE_NONE,  4,   0, 179,  14,  91, 0x0,           STR_NULL},
{  WWT_TEXTBTN, RESIZE_NONE, 12,  25,  84,  72,  83, STR_00C9_NO,   STR_NULL},
{  WWT_TEXTBTN, RESIZE_NONE, 12,  95, 154,  72,  83, STR_00C8_YES,  STR_NULL},
{  WIDGETS_END },
};

static void AskAbandonGameWndProc(Window* w, WindowEvent* e)
{
	switch (e->event) {
	case WE_PAINT:
		DrawWindowWidgets(w);
#if defined(_WIN32)
		SetDParam(0, STR_0133_WINDOWS);
#elif defined(__APPLE__)
		SetDParam(0, STR_0135_OSX);
#elif defined(__BEOS__)
		SetDParam(0, STR_OSNAME_BEOS);
#elif defined(__MORPHOS__)
		SetDParam(0, STR_OSNAME_MORPHOS);
#elif defined(__AMIGA__)
		SetDParam(0, STR_OSNAME_AMIGAOS);
#elif defined(__OS2__)
		SetDParam(0, STR_OSNAME_OS2);
#else
		SetDParam(0, STR_0134_UNIX);
#endif
		DrawStringMultiCenter(90, 38, STR_00CA_ARE_YOU_SURE_YOU_WANT_TO, 178);
		return;

	case WE_CLICK:
		switch (e->click.widget) {
			case 3: DeleteWindow(w);   break;
			case 4: _exit_game = true; break;
		}
		break;

	case WE_KEYPRESS: /* Exit game on pressing 'Enter' */
		switch (e->keypress.keycode) {
			case WKC_RETURN:
			case WKC_NUM_ENTER:
				_exit_game = true;
				break;
		}
		break;
	}
}

static const WindowDesc _ask_abandon_game_desc = {
	WDP_CENTER, WDP_CENTER, 180, 92,
	WC_ASK_ABANDON_GAME,0,
	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_STD_BTN | WDF_UNCLICK_BUTTONS,
	_ask_abandon_game_widgets,
	AskAbandonGameWndProc
};

void AskExitGame(void)
{
	AllocateWindowDescFront(&_ask_abandon_game_desc, 0);
}


static const Widget _ask_quit_game_widgets[] = {
{ WWT_CLOSEBOX, RESIZE_NONE,  4,   0,  10,   0,  13, STR_00C5,           STR_018B_CLOSE_WINDOW},
{  WWT_CAPTION, RESIZE_NONE,  4,  11, 179,   0,  13, STR_0161_QUIT_GAME, STR_NULL},
{   WWT_IMGBTN, RESIZE_NONE,  4,   0, 179,  14,  91, 0x0,                STR_NULL},
{  WWT_TEXTBTN, RESIZE_NONE, 12,  25,  84,  72,  83, STR_00C9_NO,        STR_NULL},
{  WWT_TEXTBTN, RESIZE_NONE, 12,  95, 154,  72,  83, STR_00C8_YES,       STR_NULL},
{  WIDGETS_END },
};

static void AskQuitGameWndProc(Window* w, WindowEvent* e)
{
	switch (e->event) {
		case WE_PAINT:
			DrawWindowWidgets(w);
			DrawStringMultiCenter(
				90, 38,
				_game_mode != GM_EDITOR ?
					STR_0160_ARE_YOU_SURE_YOU_WANT_TO : STR_029B_ARE_YOU_SURE_YOU_WANT_TO,
				178
			);
			break;

		case WE_CLICK:
			switch (e->click.widget) {
				case 3: DeleteWindow(w);        break;
				case 4: _switch_mode = SM_MENU; break;
			}
			break;

		case WE_KEYPRESS: /* Return to main menu on pressing 'Enter' */
			if (e->keypress.keycode == WKC_RETURN) _switch_mode = SM_MENU;
			break;
	}
}

static const WindowDesc _ask_quit_game_desc = {
	WDP_CENTER, WDP_CENTER, 180, 92,
	WC_QUIT_GAME,0,
	WDF_STD_TOOLTIPS | WDF_DEF_WIDGET | WDF_STD_BTN | WDF_UNCLICK_BUTTONS,
	_ask_quit_game_widgets,
	AskQuitGameWndProc
};


void AskExitToGameMenu(void)
{
	AllocateWindowDescFront(&_ask_quit_game_desc, 0);
}