// ---------------------------------------------------------------------------80
//                ICQ plugin for Miranda Instant Messenger
//                ________________________________________
// 
// Copyright © 2001-2004 Richard Hughes, Martin Öberg
// Copyright © 2004-2010 Joe Kucera, Bio
// Copyright © 2012-2017 Miranda NG Team
// 
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
// 
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
// -----------------------------------------------------------------------------
//  DESCRIPTION:
//
//  ChangeInfo Plugin stuff
// -----------------------------------------------------------------------------

#include "stdafx.h"

#define DM_PROTOACK  (WM_USER+10)

static int DrawTextUtf(HDC hDC, char *text, LPRECT lpRect, UINT uFormat, LPSIZE lpSize)
{
	int res;

	WCHAR *tmp = make_unicode_string(text);
	res = DrawTextW(hDC, tmp, -1, lpRect, uFormat);
	if (lpSize)
		GetTextExtentPoint32W(hDC, tmp, (int)mir_wstrlen(tmp), lpSize);
	SAFE_FREE((void**)&tmp);

	return res;
}

char* ChangeInfoData::GetItemSettingText(int i, char *buf, size_t bufsize)
{
	char *text = buf;
	int alloced = 0;

	buf[0] = '\0';

	const SettingItem &si = setting[i];
	SettingItemData &sid = settingData[i];
	if (sid.value == 0 && !(si.displayType & LIF_ZEROISVALID)) {
		if (si.displayType & LIF_CHANGEONLY)
			text = ICQTranslateUtfStatic(LPGEN("<unremovable once applied>"), buf, bufsize);
		else
			text = ICQTranslateUtfStatic(LPGEN("<empty>"), buf, bufsize);
	}
	else {
		switch (si.displayType & LIM_TYPE) {
		case LI_STRING:
		case LI_LONGSTRING:
			text = BinaryToEscapes((char*)sid.value);
			alloced = 1;
			break;

		case LI_NUMBER:
			_itoa(sid.value, text, 10);
			break;

		case LI_LIST:
			if (si.dbType == DBVT_ASCIIZ)
				text = ICQTranslateUtfStatic((char*)sid.value, buf, bufsize);
			else {
				text = ICQTranslateUtfStatic(LPGEN("Unknown value"), buf, bufsize);

				FieldNamesItem *list = (FieldNamesItem*)si.pList;
				if (list == timezonesField) {
					HANDLE tz = TimeZone_CreateByContact(NULL, ppro->m_szModuleName, 0);
					text = make_utf8_string_static(TimeZone_GetDescription(TimeZone_GetName(tz)), buf, bufsize);
					break;
				}

				for (int j = 0;; j++) {
					if (list[j].code == sid.value) {
						text = ICQTranslateUtfStatic(list[j].text, buf, bufsize);
						break;
					}
					else if (!list[j].text) {
						if (list[j].code == sid.value)
							text = ICQTranslateUtfStatic("Unspecified", buf, bufsize);
						break;
					}
				}
			}
			break;
		}
	}

	if (si.displayType & LIF_PASSWORD) {
		if (sid.changed) {
			for (int j = 0; text[j]; j++)
				text[j] = '*';
		}
		else {
			if (alloced) {
				SAFE_FREE(&text);
				alloced = 0;
			}
			text = "********";
		}
	}
	if (text != buf) {
		char *tmp = text;

		text = null_strcpy(buf, text, bufsize - 1);
		if (alloced)
			SAFE_FREE(&tmp);
	}

	return text;
}

void ChangeInfoData::PaintItemSetting(HDC hdc, RECT *rc, int i, UINT itemState)
{
	char str[MAX_PATH];
	char *text = GetItemSettingText(i, str, _countof(str));

	const SettingItem &si = setting[i];
	SettingItemData &sid = settingData[i];
	if (sid.value == 0 && !(si.displayType & LIF_ZEROISVALID))
		SetTextColor(hdc, GetSysColor(COLOR_GRAYTEXT));

	if ((si.displayType & LIM_TYPE) == LI_LIST && (itemState & CDIS_SELECTED || iEditItem == i)) {
		RECT rcBtn = *rc;
		rcBtn.left = rcBtn.right - rc->bottom + rc->top;
		InflateRect(&rcBtn, -2, -2);
		rc->right = rcBtn.left;
		DrawFrameControl(hdc, &rcBtn, DFC_SCROLL, iEditItem == i ? DFCS_SCROLLDOWN | DFCS_PUSHED : DFCS_SCROLLDOWN);
	}
	DrawTextUtf(hdc, text, rc, DT_END_ELLIPSIS | DT_LEFT | DT_NOCLIP | DT_NOPREFIX | DT_SINGLELINE | DT_VCENTER, nullptr);
}

static int ChangeInfoDlg_Resize(HWND, LPARAM, UTILRESIZECONTROL *urc)
{
	switch (urc->wId) {
	case IDC_LIST:
		return RD_ANCHORX_WIDTH | RD_ANCHORY_HEIGHT;

	case IDC_SAVE:
		return RD_ANCHORX_RIGHT | RD_ANCHORY_BOTTOM;

	case IDC_UPLOADING:
		return RD_ANCHORX_WIDTH | RD_ANCHORY_BOTTOM;
	}

	return RD_ANCHORX_LEFT | RD_ANCHORY_TOP; // default
}


INT_PTR CALLBACK ChangeInfoDlgProc(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
	ChangeInfoData* dat = (ChangeInfoData*)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);

	switch (msg) {
	case WM_INITDIALOG:
		TranslateDialogDefault(hwndDlg);

		dat = new ChangeInfoData();
		SetWindowLongPtr(hwndDlg, GWLP_USERDATA, (LONG_PTR)dat);

		dat->hwndDlg = hwndDlg;
		dat->ppro = (CIcqProto*)lParam;
		dat->hwndList = GetDlgItem(hwndDlg, IDC_LIST);

		ListView_SetExtendedListViewStyle(dat->hwndList, LVS_EX_FULLROWSELECT);
		dat->iEditItem = -1;
		{
			dat->hListFont = (HFONT)SendMessage(dat->hwndList, WM_GETFONT, 0, 0);

			LOGFONT lf;
			GetObject(dat->hListFont, sizeof(lf), &lf);
			lf.lfHeight -= 5;
			HFONT hFont = CreateFontIndirect(&lf);
			SendMessage(dat->hwndList, WM_SETFONT, (WPARAM)hFont, 0);

			// Prepare ListView Columns
			RECT rc;
			GetClientRect(dat->hwndList, &rc);
			rc.right -= GetSystemMetrics(SM_CXVSCROLL);

			LV_COLUMN lvc = { 0 };
			lvc.mask = LVCF_WIDTH;
			lvc.cx = rc.right / 3;
			ListView_InsertColumn(dat->hwndList, 0, &lvc);
			lvc.cx = rc.right - lvc.cx;
			ListView_InsertColumn(dat->hwndList, 1, &lvc);

			// Prepare Setting Items
			LV_ITEM lvi = { 0 };
			lvi.mask = LVIF_PARAM | LVIF_TEXT;
			for (lvi.iItem = 0; lvi.iItem < settingCount; lvi.iItem++) {
				wchar_t text[MAX_PATH];
				lvi.lParam = lvi.iItem;
				lvi.pszText = text;
				make_unicode_string_static(setting[lvi.iItem].szDescription, text, _countof(text));
				ListView_InsertItem(dat->hwndList, &lvi);
			}
		}

		SendMessage(GetParent(hwndDlg), PSM_CHANGED, 0, 0);
		return TRUE;

	case WM_NOTIFY:
		switch (((LPNMHDR)lParam)->idFrom) {
		case 0:
			switch (((LPNMHDR)lParam)->code) {
			case PSN_PARAMCHANGED:
				dat->ppro = (CIcqProto*)((PSHNOTIFY*)lParam)->lParam;
				dat->LoadSettingsFromDb(0);
				{
					char *pwd = dat->ppro->GetUserPassword(TRUE);
					mir_strcpy(dat->Password, (pwd) ? pwd : ""); /// FIXME
				}
				break;

			case PSN_INFOCHANGED:
				dat->LoadSettingsFromDb(1);
				break;

			case PSN_KILLACTIVE:
				dat->EndStringEdit(1);
				dat->EndListEdit(1);
				break;

			case PSN_APPLY:
				if (dat->ChangesMade()) {
					if (MessageBox(hwndDlg, TranslateT("You've made some changes to your ICQ details but it has not been saved to the server. Are you sure you want to close this dialog?"), TranslateT("Change ICQ Details"), MB_YESNOCANCEL) != IDYES) {
						SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, PSNRET_INVALID_NOCHANGEPAGE);
						return TRUE;
					}
				}
			}
			break;

		case IDC_LIST:
			switch (((LPNMHDR)lParam)->code) {
			case LVN_GETDISPINFO:
				if (dat->iEditItem != -1) {
					if (dat->editTopIndex != ListView_GetTopIndex(dat->hwndList)) {
						dat->EndStringEdit(1);
						dat->EndListEdit(1);
					}
				}
				break;

			case NM_CUSTOMDRAW:
				{
					LPNMLVCUSTOMDRAW cd = (LPNMLVCUSTOMDRAW)lParam;

					switch (cd->nmcd.dwDrawStage) {
					case CDDS_PREPAINT:
						SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, CDRF_NOTIFYITEMDRAW);
						return TRUE;

					case CDDS_ITEMPREPAINT:
						if (dat->iEditItem != -1) {
							if (dat->editTopIndex != ListView_GetTopIndex(dat->hwndList)) {
								dat->EndStringEdit(1);
								dat->EndListEdit(1);
							}
						}
						{
							RECT rcItem;
							ListView_GetItemRect(dat->hwndList, cd->nmcd.dwItemSpec, &rcItem, LVIR_BOUNDS);

							if (GetWindowLongPtr(dat->hwndList, GWL_STYLE) & WS_DISABLED) {  // Disabled List
								SetTextColor(cd->nmcd.hdc, cd->clrText);
								FillRect(cd->nmcd.hdc, &rcItem, GetSysColorBrush(COLOR_3DFACE));
							}
							else if ((cd->nmcd.uItemState & CDIS_SELECTED || dat->iEditItem == (int)cd->nmcd.dwItemSpec)
										&& setting[cd->nmcd.lItemlParam].displayType != LI_DIVIDER) {  // Selected item
								SetTextColor(cd->nmcd.hdc, GetSysColor(COLOR_HIGHLIGHTTEXT));
								FillRect(cd->nmcd.hdc, &rcItem, GetSysColorBrush(COLOR_HIGHLIGHT));
							}
							else { // Unselected item
								SetTextColor(cd->nmcd.hdc, GetSysColor(COLOR_WINDOWTEXT));
								FillRect(cd->nmcd.hdc, &rcItem, GetSysColorBrush(COLOR_WINDOW));
							}

							HFONT hoFont = (HFONT)SelectObject(cd->nmcd.hdc, dat->hListFont);

							if (setting[cd->nmcd.lItemlParam].displayType == LI_DIVIDER) {
								RECT rcLine;
								SIZE textSize;
								char str[MAX_PATH];
								char *szText = ICQTranslateUtfStatic(setting[cd->nmcd.lItemlParam].szDescription, str, MAX_PATH);

								SetTextColor(cd->nmcd.hdc, GetSysColor(COLOR_3DSHADOW));
								DrawTextUtf(cd->nmcd.hdc, szText, &rcItem, DT_CENTER | DT_NOCLIP | DT_NOPREFIX | DT_SINGLELINE | DT_VCENTER, &textSize);
								rcLine.top = (rcItem.top + rcItem.bottom) / 2 - 1;
								rcLine.bottom = rcLine.top + 2;
								rcLine.left = rcItem.left + 3;
								rcLine.right = (rcItem.left + rcItem.right - textSize.cx) / 2 - 3;
								DrawEdge(cd->nmcd.hdc, &rcLine, BDR_SUNKENOUTER, BF_RECT);
								rcLine.left = (rcItem.left + rcItem.right + textSize.cx) / 2 + 3;
								rcLine.right = rcItem.right - 3;
								DrawEdge(cd->nmcd.hdc, &rcLine, BDR_SUNKENOUTER, BF_RECT);
							}
							else {
								RECT rcItemDescr, rcItemValue;
								char str[MAX_PATH];

								ListView_GetSubItemRect(dat->hwndList, cd->nmcd.dwItemSpec, 0, LVIR_BOUNDS, &rcItemDescr);
								ListView_GetSubItemRect(dat->hwndList, cd->nmcd.dwItemSpec, 1, LVIR_BOUNDS, &rcItemValue);

								rcItemDescr.right = rcItemValue.left;
								rcItemDescr.left += 2;
								DrawTextUtf(cd->nmcd.hdc, ICQTranslateUtfStatic(setting[cd->nmcd.lItemlParam].szDescription, str, MAX_PATH), &rcItemDescr, DT_END_ELLIPSIS | DT_LEFT | DT_NOCLIP | DT_NOPREFIX | DT_SINGLELINE | DT_VCENTER, nullptr);

								dat->PaintItemSetting(cd->nmcd.hdc, &rcItemValue, cd->nmcd.lItemlParam, cd->nmcd.uItemState);
							}
							SelectObject(cd->nmcd.hdc, hoFont);

							SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, CDRF_SKIPDEFAULT);

							return TRUE;
						}
					}
				}
				break;

			case NM_CLICK:
				{
					LPNMLISTVIEW nm = (LPNMLISTVIEW)lParam;
					LV_ITEM lvi;
					RECT rc;

					dat->EndStringEdit(1);
					dat->EndListEdit(1);
					if (nm->iSubItem != 1) break;
					lvi.mask = LVIF_PARAM | LVIF_STATE;
					lvi.stateMask = 0xFFFFFFFF;
					lvi.iItem = nm->iItem; lvi.iSubItem = nm->iSubItem;
					ListView_GetItem(dat->hwndList, &lvi);
					if (!(lvi.state & LVIS_SELECTED)) break;
					ListView_EnsureVisible(dat->hwndList, lvi.iItem, FALSE);
					ListView_GetSubItemRect(dat->hwndList, lvi.iItem, lvi.iSubItem, LVIR_BOUNDS, &rc);
					dat->editTopIndex = ListView_GetTopIndex(dat->hwndList);
					switch (setting[lvi.lParam].displayType & LIM_TYPE) {
					case LI_STRING:
					case LI_LONGSTRING:
					case LI_NUMBER:
						dat->BeginStringEdit(nm->iItem, &rc, lvi.lParam, 0);
						break;
					case LI_LIST:
						dat->BeginListEdit(nm->iItem, &rc, lvi.lParam, 0);
						break;
					}
				}
				break;

			case LVN_KEYDOWN:
				{
					LPNMLVKEYDOWN nm = (LPNMLVKEYDOWN)lParam;
					LV_ITEM lvi;
					RECT rc;

					dat->EndStringEdit(1);
					dat->EndListEdit(1);
					if (nm->wVKey == VK_SPACE || nm->wVKey == VK_RETURN || nm->wVKey == VK_F2) nm->wVKey = 0;
					if (nm->wVKey && (nm->wVKey<'0' || (nm->wVKey>'9' && nm->wVKey<'A') || (nm->wVKey>'Z' && nm->wVKey < VK_NUMPAD0) || nm->wVKey >= VK_F1))
						break;
					lvi.mask = LVIF_PARAM | LVIF_STATE;
					lvi.stateMask = 0xFFFFFFFF;
					lvi.iItem = ListView_GetNextItem(dat->hwndList, -1, LVNI_ALL | LVNI_SELECTED);
					if (lvi.iItem == -1) break;
					lvi.iSubItem = 1;
					ListView_GetItem(dat->hwndList, &lvi);
					ListView_EnsureVisible(dat->hwndList, lvi.iItem, FALSE);
					ListView_GetSubItemRect(dat->hwndList, lvi.iItem, lvi.iSubItem, LVIR_BOUNDS, &rc);
					dat->editTopIndex = ListView_GetTopIndex(dat->hwndList);
					switch (setting[lvi.lParam].displayType & LIM_TYPE) {
					case LI_STRING:
					case LI_LONGSTRING:
					case LI_NUMBER:
						dat->BeginStringEdit(lvi.iItem, &rc, lvi.lParam, nm->wVKey);
						break;
					case LI_LIST:
						dat->BeginListEdit(lvi.iItem, &rc, lvi.lParam, nm->wVKey);
						break;
					}
					SetWindowLongPtr(hwndDlg, DWLP_MSGRESULT, TRUE);
				}
				return TRUE;

			case NM_KILLFOCUS:
				if (!IsStringEditWindow(GetFocus()))
					dat->EndStringEdit(1);
				if (!IsListEditWindow(GetFocus()))
					dat->EndListEdit(1);
			}
		}
		break;

	case WM_KILLFOCUS:
		dat->EndStringEdit(1);
		dat->EndListEdit(1);
		break;

	case WM_COMMAND:
		switch (LOWORD(wParam)) {
		case IDCANCEL:
			SendMessage(GetParent(hwndDlg), msg, wParam, lParam);
			break;

		case IDC_SAVE:
			if (!dat->SaveSettingsToDb(hwndDlg))
				break;

			EnableDlgItem(hwndDlg, IDC_SAVE, FALSE);
			EnableDlgItem(hwndDlg, IDC_LIST, FALSE);
			SetDlgItemText(hwndDlg, IDC_UPLOADING, TranslateT("Upload in progress..."));
			EnableDlgItem(hwndDlg, IDC_UPLOADING, TRUE);
			ShowDlgItem(hwndDlg, IDC_UPLOADING, SW_SHOW);
			dat->hAckHook = HookEventMessage(ME_PROTO_ACK, hwndDlg, DM_PROTOACK);

			if (!dat->UploadSettings()) {
				EnableDlgItem(hwndDlg, IDC_SAVE, TRUE);
				EnableDlgItem(hwndDlg, IDC_LIST, TRUE);
				ShowDlgItem(hwndDlg, IDC_UPLOADING, SW_HIDE);
				UnhookEvent(dat->hAckHook);
				dat->hAckHook = nullptr;
			}
		}
		break;

	case WM_SIZE:
		if (IsIconic(hwndDlg))
			break;
		
		Utils_ResizeDialog(hwndDlg, hInst, MAKEINTRESOURCEA(IDD_INFO_CHANGEINFO), ChangeInfoDlg_Resize);
		{
			RECT rc; // update listview column widths
			GetClientRect(dat->hwndList, &rc);
			rc.right -= GetSystemMetrics(SM_CXVSCROLL);
			ListView_SetColumnWidth(dat->hwndList, 0, rc.right / 3);
			ListView_SetColumnWidth(dat->hwndList, 1, rc.right - rc.right / 3);
		}
		break;

	case DM_PROTOACK:
		{
			ACKDATA *ack = (ACKDATA*)lParam;
			int i, done;

			if (ack->type != ACKTYPE_SETINFO) break;
			if (ack->result == ACKRESULT_SUCCESS) {
				for (i = 0; i < _countof(dat->hUpload); i++)
					if (dat->hUpload[i] && ack->hProcess == dat->hUpload[i]) break;

				if (i == _countof(dat->hUpload)) break;
				dat->hUpload[i] = nullptr;
				for (done = 0, i = 0; i < _countof(dat->hUpload); i++)
					done += dat->hUpload[i] == nullptr;
				wchar_t buf[MAX_PATH];
				mir_snwprintf(buf, TranslateT("Upload in progress...%d%%"), 100 * done / (_countof(dat->hUpload)));
				SetDlgItemText(hwndDlg, IDC_UPLOADING, buf);
				if (done < _countof(dat->hUpload)) break;

				dat->ClearChangeFlags();
				UnhookEvent(dat->hAckHook);
				dat->hAckHook = nullptr;
				EnableDlgItem(hwndDlg, IDC_LIST, TRUE);
				EnableDlgItem(hwndDlg, IDC_UPLOADING, FALSE);
				SetDlgItemText(hwndDlg, IDC_UPLOADING, TranslateT("Upload complete"));
				SendMessage(GetParent(hwndDlg), PSM_FORCECHANGED, 0, 0);
			}
			else if (ack->result == ACKRESULT_FAILED) {
				UnhookEvent(dat->hAckHook);
				dat->hAckHook = nullptr;
				EnableDlgItem(hwndDlg, IDC_LIST, TRUE);
				EnableDlgItem(hwndDlg, IDC_UPLOADING, FALSE);
				SetDlgItemText(hwndDlg, IDC_UPLOADING, TranslateT("Upload FAILED"));
				SendMessage(GetParent(hwndDlg), PSM_FORCECHANGED, 0, 0);
				EnableDlgItem(hwndDlg, IDC_SAVE, TRUE);
			}
		}
		break;

	case WM_DESTROY:
		if (dat->hAckHook) {
			UnhookEvent(dat->hAckHook);
			dat->hAckHook = nullptr;
		}

		DeleteObject((HFONT)SendMessage(dat->hwndList, WM_GETFONT, 0, 0));

		dat->FreeStoredDbSettings();
		SetWindowLongPtr(hwndDlg, GWLP_USERDATA, 0);
		delete dat;
		break;
	}
	return FALSE;
}