/*
Copyright (C) 2012-24 Miranda NG team (https://miranda-ng.org)

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 version 2
of the License.

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, see <http://www.gnu.org/licenses/>.
*/

#include "stdafx.h"

BOOL ScreenToClient(HWND hWnd, LPRECT lpRect);

/////////////////////////////////////////////////////////////////////////////////////////

void LoadTransparentData(HWND hwndDlg, MCONTACT hContact)
{
	CheckDlgButton(hwndDlg, IDC_MAKETRANSPBKG, db_get_b(hContact, "ContactPhoto", "MakeTransparentBkg", g_plugin.getByte("MakeTransparentBkg", 0)) ? BST_CHECKED : BST_UNCHECKED);
	SendDlgItemMessage(hwndDlg, IDC_BKG_NUM_POINTS_SPIN, UDM_SETPOS, 0, (LPARAM)db_get_w(hContact, "ContactPhoto", "TranspBkgNumPoints", g_plugin.getWord("TranspBkgNumPoints", 5)));
	SendDlgItemMessage(hwndDlg, IDC_BKG_COLOR_DIFFERENCE_SPIN, UDM_SETPOS, 0, (LPARAM)db_get_w(hContact, "ContactPhoto", "TranspBkgColorDiff", g_plugin.getWord("TranspBkgColorDiff", 10)));

	BOOL transp_enabled = IsDlgButtonChecked(hwndDlg, IDC_MAKETRANSPBKG);
	EnableWindow(GetDlgItem(hwndDlg, IDC_BKG_NUM_POINTS_L), transp_enabled);
	EnableWindow(GetDlgItem(hwndDlg, IDC_BKG_NUM_POINTS_SPIN), transp_enabled);
	EnableWindow(GetDlgItem(hwndDlg, IDC_BKG_NUM_POINTS), transp_enabled);
	EnableWindow(GetDlgItem(hwndDlg, IDC_BKG_COLOR_DIFFERENCE_L), transp_enabled);
	EnableWindow(GetDlgItem(hwndDlg, IDC_BKG_COLOR_DIFFERENCE_SPIN), transp_enabled);
	EnableWindow(GetDlgItem(hwndDlg, IDC_BKG_COLOR_DIFFERENCE), transp_enabled);
}

static void SaveTransparentData(HWND hwndDlg, MCONTACT hContact)
{
	BOOL transp = IsDlgButtonChecked(hwndDlg, IDC_MAKETRANSPBKG);
	if (g_plugin.getByte("MakeTransparentBkg", 0) == transp)
		db_unset(hContact, "ContactPhoto", "MakeTransparentBkg");
	else
		db_set_b(hContact, "ContactPhoto", "MakeTransparentBkg", transp);

	uint16_t tmp = (uint16_t)SendDlgItemMessage(hwndDlg, IDC_BKG_NUM_POINTS_SPIN, UDM_GETPOS, 0, 0);
	if (g_plugin.getWord("TranspBkgNumPoints", 5) == tmp)
		db_unset(hContact, "ContactPhoto", "TranspBkgNumPoints");
	else
		db_set_w(hContact, "ContactPhoto", "TranspBkgNumPoints", tmp);

	tmp = (uint16_t)SendDlgItemMessage(hwndDlg, IDC_BKG_COLOR_DIFFERENCE_SPIN, UDM_GETPOS, 0, 0);
	if (g_plugin.getWord("TranspBkgColorDiff", 10) == tmp)
		db_unset(hContact, "ContactPhoto", "TranspBkgColorDiff");
	else
		db_set_w(hContact, "ContactPhoto", "TranspBkgColorDiff", tmp);
}

void SaveTransparentData(HWND hwndDlg, MCONTACT hContact, BOOL locked)
{
	SaveTransparentData(hwndDlg, hContact);

	MCONTACT tmp = GetContactThatHaveTheAvatar(hContact, locked);
	if (tmp != hContact)
		SaveTransparentData(hwndDlg, tmp);
}

/////////////////////////////////////////////////////////////////////////////////////////
// User info dialog

class AvatarUserInfoDlg : public CUserInfoPageDlg
{
	HANDLE hHook = nullptr;

	CCtrlSpin spinPoints, spinDifference;
	CCtrlCheck chkTransparent;
	CCtrlButton btnHide, btnChange, btnDefaults, btnProtect, btnReset, btnDelete;

	void ReloadAvatar()
	{
		SaveTransparentData(m_hwnd, m_hContact, IsDlgButtonChecked(m_hwnd, IDC_PROTECTAVATAR));
		ChangeAvatar(m_hContact, true);
	}

	INT_PTR OnChangeAvatar(UINT, WPARAM, LPARAM)
	{
		InvalidateRect(GetDlgItem(m_hwnd, IDC_PROTOPIC), nullptr, TRUE);
		return 0;
	}

	UI_MESSAGE_MAP(AvatarUserInfoDlg, CUserInfoPageDlg);
		UI_MESSAGE(DM_AVATARCHANGED, OnChangeAvatar);
	UI_MESSAGE_MAP_END();

public:
	AvatarUserInfoDlg() :
		CUserInfoPageDlg(g_plugin, IDD_USER_AVATAR),
		btnHide(this, IDC_HIDEAVATAR),
		btnReset(this, IDC_RESET),
		btnChange(this, IDC_CHANGE),
		btnDelete(this, IDC_DELETE),
		btnProtect(this, IDC_PROTECTAVATAR),
		btnDefaults(this, ID_USE_DEFAULTS),
		chkTransparent(this, IDC_MAKETRANSPBKG),
		spinPoints(this, IDC_BKG_NUM_POINTS_SPIN, 8, 2),
		spinDifference(this, IDC_BKG_NUM_POINTS_SPIN, 100)
	{
		btnHide.OnClick = Callback(this, &AvatarUserInfoDlg::onClick_Hide);
		btnReset.OnClick = Callback(this, &AvatarUserInfoDlg::onClick_Reset);
		btnChange.OnClick = Callback(this, &AvatarUserInfoDlg::onClick_Change);
		btnDelete.OnClick = Callback(this, &AvatarUserInfoDlg::onClick_Delete);
		btnProtect.OnClick = Callback(this, &AvatarUserInfoDlg::onClick_Protect);
		btnDefaults.OnClick = Callback(this, &AvatarUserInfoDlg::onClick_UseDefaults);

		chkTransparent.OnChange = Callback(this, &AvatarUserInfoDlg::onChange_Transparent);
	}

	bool OnInitDialog() override
	{
		hHook = HookEventMessage(ME_AV_AVATARCHANGED, m_hwnd, DM_AVATARCHANGED);

		if (m_hContact != 0)
			btnDelete.Hide();

		LoadTransparentData(m_hwnd, GetContactThatHaveTheAvatar(m_hContact));
		return true;
	}

	bool OnRefresh() override
	{
		HWND protopic = GetDlgItem(m_hwnd, IDC_PROTOPIC);
		SendMessage(protopic, AVATAR_SETCONTACT, 0, m_hContact);
		SendMessage(protopic, AVATAR_SETAVATARBORDERCOLOR, 0, GetSysColor(COLOR_BTNSHADOW));
		SendMessage(protopic, AVATAR_SETNOAVATARTEXT, 0, (LPARAM)LPGENW("Contact has no avatar"));
		SendMessage(protopic, AVATAR_RESPECTHIDDEN, 0, FALSE);
		SendMessage(protopic, AVATAR_SETRESIZEIFSMALLER, 0, FALSE);

		CheckDlgButton(m_hwnd, IDC_PROTECTAVATAR, db_get_b(m_hContact, "ContactPhoto", "Locked", 0) ? BST_CHECKED : BST_UNCHECKED);
		CheckDlgButton(m_hwnd, IDC_HIDEAVATAR, Contact::IsHidden(m_hContact) ? BST_CHECKED : BST_UNCHECKED);
		return false;
	}

	bool IsEmpty() const override
	{
		auto wszFileName(db_get_wsm(m_hContact, "ContactPhoto", "File"));
		return (wszFileName.IsEmpty() || _waccess(wszFileName, 0) != 0);
	}

	void OnDestroy() override
	{
		UnhookEvent(hHook);
	}

	void onClick_UseDefaults(CCtrlButton *)
	{
		m_hContact = GetContactThatHaveTheAvatar(m_hContact);

		db_unset(m_hContact, "ContactPhoto", "MakeTransparentBkg");
		db_unset(m_hContact, "ContactPhoto", "TranspBkgNumPoints");
		db_unset(m_hContact, "ContactPhoto", "TranspBkgColorDiff");

		LoadTransparentData(m_hwnd, m_hContact);
		ReloadAvatar();
	}

	void onClick_Change(CCtrlButton *)
	{
		SetAvatar(m_hContact, 0);
		CheckDlgButton(m_hwnd, IDC_PROTECTAVATAR, db_get_b(m_hContact, "ContactPhoto", "Locked", 0) ? BST_CHECKED : BST_UNCHECKED);
	}

	void onClick_Hide(CCtrlButton *)
	{
		bool hidden = IsDlgButtonChecked(m_hwnd, IDC_HIDEAVATAR) != 0;
		SetAvatarAttribute(m_hContact, AVS_HIDEONCLIST, hidden);
		if (hidden != Contact::IsHidden(m_hContact))
			Contact::Hide(m_hContact, hidden);
	}

	void onClick_Protect(CCtrlButton *)
	{
		BOOL locked = IsDlgButtonChecked(m_hwnd, IDC_PROTECTAVATAR);
		SaveTransparentData(m_hwnd, m_hContact, locked);
		ProtectAvatar(m_hContact, locked ? 1 : 0);
	}

	void onChange_Transparent(CCtrlCheck *)
	{
		BOOL enable = IsDlgButtonChecked(m_hwnd, IDC_MAKETRANSPBKG);
		EnableWindow(GetDlgItem(m_hwnd, IDC_BKG_NUM_POINTS_L), enable);
		EnableWindow(GetDlgItem(m_hwnd, IDC_BKG_NUM_POINTS_SPIN), enable);
		EnableWindow(GetDlgItem(m_hwnd, IDC_BKG_NUM_POINTS), enable);
		EnableWindow(GetDlgItem(m_hwnd, IDC_BKG_COLOR_DIFFERENCE_L), enable);
		EnableWindow(GetDlgItem(m_hwnd, IDC_BKG_COLOR_DIFFERENCE_SPIN), enable);
		EnableWindow(GetDlgItem(m_hwnd, IDC_BKG_COLOR_DIFFERENCE), enable);
		ReloadAvatar();
	}

	void onClick_Reset(CCtrlButton *)
	{
		ProtectAvatar(m_hContact, 0);
		if (MessageBox(nullptr, TranslateT("Delete picture file from disk (may be necessary to force a reload, but will delete local pictures)?"), TranslateT("Reset contact picture"), MB_YESNO) == IDYES) {
			DBVARIANT dbv = { 0 };
			if (!db_get_ws(m_hContact, "ContactPhoto", "File", &dbv)) {
				DeleteFileW(dbv.pwszVal);
				db_free(&dbv);
			}
		}
		db_unset(m_hContact, "ContactPhoto", "Locked");
		db_unset(m_hContact, "ContactPhoto", "Backup");
		db_unset(m_hContact, "ContactPhoto", "RFile");
		db_unset(m_hContact, "ContactPhoto", "File");
		db_unset(m_hContact, "ContactPhoto", "Format");

		char *szProto = Proto_GetBaseAccountName(m_hContact);
		db_unset(m_hContact, szProto, "AvatarHash");
		DeleteAvatarFromCache(m_hContact, FALSE);

		QueueAdd(m_hContact);
	}

	void onClick_Delete(CCtrlButton *)
	{
		ProtectAvatar(m_hContact, 0);
		if (MessageBoxW(nullptr, TranslateT("Delete picture file from disk (may be necessary to force a reload, but will delete local pictures)?"), TranslateT("Reset contact picture"), MB_YESNO) == IDYES) {
			DBVARIANT dbv = { 0 };
			if (!db_get_ws(m_hContact, "ContactPhoto", "File", &dbv)) {
				DeleteFileW(dbv.pwszVal);
				db_free(&dbv);
			}
		}
		db_unset(m_hContact, "ContactPhoto", "Locked");
		db_unset(m_hContact, "ContactPhoto", "Backup");
		db_unset(m_hContact, "ContactPhoto", "RFile");
		db_unset(m_hContact, "ContactPhoto", "File");
		db_unset(m_hContact, "ContactPhoto", "Format");
		DeleteAvatarFromCache(m_hContact, FALSE);
	}
};

/////////////////////////////////////////////////////////////////////////////////////////
// Protocol avatar dialog

class AvatarProtoInfoDlg : public CUserInfoPageDlg
{
	char* GetSelectedProtocol()
	{
		// Get selection
		int iItem = protocols.GetSelectionMark();
		if (iItem < 0)
			return nullptr;

		// Get protocol name
		LVITEM item = {0};
		item.mask = LVIF_PARAM;
		item.iItem = iItem;
		SendMessage(protocols.GetHwnd(), LVM_GETITEMA, 0, (LPARAM)&item);
		return (char *)item.lParam;
	}

	void OffsetWindow(int iCtrlId, int dx)
	{
		HWND hwnd = GetDlgItem(m_hwnd, iCtrlId);
		
		RECT rc;
		GetWindowRect(hwnd, &rc);
		ScreenToClient(m_hwnd, &rc);
		OffsetRect(&rc, dx, 0);
		MoveWindow(hwnd, rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top, TRUE);
	}

	void EnableDisableControls(char *proto)
	{
		if (chkPerProto.IsChecked()) {
			if (proto == nullptr) {
				EnableWindow(GetDlgItem(m_hwnd, IDC_CHANGE), FALSE);
				EnableWindow(GetDlgItem(m_hwnd, IDC_DELETE), FALSE);
			}
			else {
				if (!ProtoServiceExists(proto, PS_SETMYAVATAR)) {
					EnableWindow(GetDlgItem(m_hwnd, IDC_CHANGE), FALSE);
					EnableWindow(GetDlgItem(m_hwnd, IDC_DELETE), FALSE);
				}
				else {
					EnableWindow(GetDlgItem(m_hwnd, IDC_CHANGE), TRUE);

					int width, height;
					SendDlgItemMessage(m_hwnd, IDC_PROTOPIC, AVATAR_GETUSEDSPACE, (WPARAM)&width, (LPARAM)&height);
					EnableWindow(GetDlgItem(m_hwnd, IDC_DELETE), (LPARAM)width != 0 || height != 0);
				}
			}
		}
		else {
			EnableWindow(GetDlgItem(m_hwnd, IDC_CHANGE), TRUE);

			if (g_plugin.getByte("GlobalUserAvatarNotConsistent", 1))
				EnableWindow(GetDlgItem(m_hwnd, IDC_DELETE), TRUE);
			else {
				int width, height;
				SendDlgItemMessage(m_hwnd, IDC_PROTOPIC, AVATAR_GETUSEDSPACE, (WPARAM)&width, (LPARAM)&height);
				EnableWindow(GetDlgItem(m_hwnd, IDC_DELETE), (LPARAM)width != 0 || height != 0);
			}
		}
	}

	CCtrlCheck chkPerProto;
	CCtrlButton btnChange, btnDelete;
	CCtrlListView protocols;

public:
	AvatarProtoInfoDlg() :
		CUserInfoPageDlg(g_plugin, IDD_PROTO_AVATARS),
		protocols(this, IDC_PROTOCOLS),
		btnChange(this, IDC_CHANGE),
		btnDelete(this, IDC_DELETE),
		chkPerProto(this, IDC_PER_PROTO)
	{
		protocols.OnItemChanged = Callback(this, &AvatarProtoInfoDlg::onItemChanged_List);

		btnChange.OnClick = Callback(this, &AvatarProtoInfoDlg::onClick_Change);
		btnDelete.OnClick = Callback(this, &AvatarProtoInfoDlg::onClick_Delete);

		CreateLink(chkPerProto, g_plugin.bPerProto);
		chkPerProto.OnChange = Callback(this, &AvatarProtoInfoDlg::onChange_PerProto);
	}

	bool OnInitDialog() override
	{
		HWND protopic = GetDlgItem(m_hwnd, IDC_PROTOPIC);
		SendMessage(protopic, AVATAR_SETAVATARBORDERCOLOR, 0, (LPARAM)GetSysColor(COLOR_BTNSHADOW));
		SendMessage(protopic, AVATAR_SETNOAVATARTEXT, 0, (LPARAM)LPGENW("No avatar"));
		SendMessage(protopic, AVATAR_SETRESIZEIFSMALLER, 0, (LPARAM)FALSE);

		protocols.SetExtendedListViewStyleEx(0, LVS_EX_SUBITEMIMAGES);

		HIMAGELIST hIml = ImageList_Create(16, 16, ILC_MASK | ILC_COLOR32, 4, 0);
		protocols.SetImageList(hIml, LVSIL_SMALL);

		LVCOLUMN lvc = { 0 };
		lvc.mask = LVCF_FMT;
		lvc.fmt = LVCFMT_IMAGE | LVCFMT_LEFT;
		protocols.InsertColumn(0, &lvc);

		LVITEM item = { 0 };
		item.mask = LVIF_TEXT | LVIF_PARAM | LVIF_IMAGE;
		item.iItem = 1000;

		// List protocols
		int num = 0;
		for (auto &it : Accounts()) {
			if (!ProtoServiceExists(it->szModuleName, PS_GETMYAVATAR))
				continue;

			if (!Proto_IsAvatarsEnabled(it->szModuleName))
				continue;

			ImageList_AddIcon(hIml, Skin_LoadProtoIcon(it->szModuleName, ID_STATUS_ONLINE));
			item.pszText = it->tszAccountName;
			item.iImage = num;
			item.lParam = (LPARAM)it->szModuleName;
			protocols.InsertItem(&item);
			num++;
		}

		protocols.SetCurSel(0);
		protocols.SetColumnWidth(0, LVSCW_AUTOSIZE);
		protocols.Arrange(LVA_ALIGNLEFT | LVA_ALIGNTOP);
		return true;
	}

	void onItemChanged_List(CCtrlListView::TEventInfo *ev)
	{
		LPNMLISTVIEW li = ev->nmlv;
		if (li->uNewState & LVIS_SELECTED) {
			SendDlgItemMessage(m_hwnd, IDC_PROTOPIC, AVATAR_SETPROTOCOL, 0, li->lParam);
			EnableDisableControls((char*)li->lParam);
		}
	}

	INT_PTR DlgProc(UINT msg, WPARAM wParam, LPARAM lParam) override
	{
		if (msg == WM_NOTIFY) {
			LPNMHDR hdr = (LPNMHDR)lParam;
			if (hdr->idFrom == IDC_PROTOPIC && hdr->code == NM_AVATAR_CHANGED)
				EnableDisableControls(GetSelectedProtocol());
		}
		return CDlgBase::DlgProc(msg, wParam, lParam);
	}

	void onClick_Change(CCtrlButton *)
	{
		if (!chkPerProto.IsChecked())
			SetMyAvatar(NULL, NULL);
		else {
			char *proto = GetSelectedProtocol();
			if (proto != nullptr)
				SetMyAvatar((WPARAM)proto, NULL);
		}
	}

	void onClick_Delete(CCtrlButton *)
	{
		if (!chkPerProto.IsChecked()) {
			if (MessageBox(m_hwnd, TranslateT("Are you sure you want to remove your avatar?"), TranslateT("Global avatar"), MB_YESNO) == IDYES)
				SetMyAvatar(NULL, (LPARAM)L"");
		}
		else {
			if (char *proto = GetSelectedProtocol())
				if (MessageBox(m_hwnd, TranslateT("Are you sure you want to remove your avatar?"), _A2T(proto), MB_YESNO) == IDYES)
					SetMyAvatar((WPARAM)proto, (LPARAM)L"");
		}
	}

	void onChange_PerProto(CCtrlCheck *pCheck)
	{
		int diff = 147; // Pre-calc

		if (chkPerProto.IsChecked()) {
			if (!IsWindowVisible(protocols.GetHwnd())) {
				// Show list of protocols
				protocols.Show();

				// Move controls
				OffsetWindow(IDC_PROTOPIC, diff);
				OffsetWindow(IDC_CHANGE, diff);
				OffsetWindow(IDC_DELETE, diff);
			}

			char *proto = GetSelectedProtocol();
			if (proto == nullptr) {
				protocols.SetItemState(0, LVIS_FOCUSED | LVIS_SELECTED, 0x0F);
			}
			else {
				SendDlgItemMessage(m_hwnd, IDC_PROTOPIC, AVATAR_SETPROTOCOL, 0, (LPARAM)proto);
				EnableDisableControls(proto);
			}
		}
		else {
			if (!m_bInitialized) {
				PostMessage(m_hwnd, WM_COMMAND, IDC_PER_PROTO, 0);
			}
			else if (!pCheck || IsWindowVisible(protocols.GetHwnd())) {
				// Hide list of protocols
				protocols.Hide();

				// Move controls
				OffsetWindow(IDC_PROTOPIC, -diff);
				OffsetWindow(IDC_CHANGE, -diff);
				OffsetWindow(IDC_DELETE, -diff);
			}

			SendDlgItemMessage(m_hwnd, IDC_PROTOPIC, AVATAR_SETPROTOCOL, 0, NULL);
		}
	}
};

int OnDetailsInit(WPARAM wParam, LPARAM hContact)
{
	USERINFOPAGE uip = {};
	uip.szTitle.a = LPGEN("Avatar");
	uip.flags = ODPF_ICON;
	uip.dwInitParam = (LPARAM)g_plugin.getIconHandle(IDI_AVATAR);

	if (hContact == NULL) {
		// User dialog
		uip.pDialog = new AvatarProtoInfoDlg();
		g_plugin.addUserInfo(wParam, &uip);
	}
	else {
		char *szProto = Proto_GetBaseAccountName(hContact);
		if (szProto == nullptr || g_plugin.getByte(szProto, 1)) {
			// Contact dialog
			uip.position = -2000000000;
			uip.pDialog = new AvatarUserInfoDlg();
			g_plugin.addUserInfo(wParam, &uip);
		}
	}
	return 0;
}