#include "../pch/pch.h"
#include "CLoginWnd.h"

void CLoginWnd::Init()
{
	std::map<string, string> users = CSetting::getUsers();

	CComboUI* pCom = static_cast<CComboUI*>(m_pm.FindControl(_T("accountcombo")));

	for (std::map<string, string>::iterator it = users.begin(); it != users.end(); it++)
	{
		std::string username = it->first;
		
		CListLabelElementUI* elem = new CListLabelElementUI();
		elem->SetText(CLewaimaiString::UTF8ToUnicode(username).c_str());

		pCom->Add(elem);
	}

	CCheckBoxUI* pAuto = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_auto_login")));
	CCheckBoxUI* pRemember = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_remember_password")));

	if (CSetting::GetParam("setting_is_remember_password") == "1")
	{
		pRemember->Selected(true, false);
	}
	else
	{
		pRemember->Selected(false, false);
	}

	if (CSetting::GetParam("setting_is_auto_login") == "1")
	{
		//自动登录开启了，记住密码一定要开启
		pAuto->Selected(true, false);
		pRemember->Selected(true, false);
	}
	else
	{
		pAuto->Selected(false, false);
	}

	std::string last_login_username = CSetting::GetParam("last_login_username");
	std::string password = CSetting::GetUser(last_login_username);

	CEditUI* pAccountEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("accountedit")));
	CEditUI* pPasswordEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("pwdedit")));

	pAccountEdit->SetText(CLewaimaiString::UTF8ToUnicode(last_login_username).c_str());
	pPasswordEdit->SetText(CLewaimaiString::UTF8ToUnicode(password).c_str());

	if (CSetting::GetParam("setting_is_auto_login") == "1")
	{
		HandleLogin();
	}
}

void CLoginWnd::Notify(TNotifyUI& msg)
{
    if(msg.sType == _T("click"))
    {
        if(msg.pSender->GetName() == _T("closebtn"))
        {
            PostQuitMessage(0);
            return;
        }
        else if(msg.pSender->GetName() == _T("loginBtn"))
        {
            HandleLogin();
            return;
        }
		else if (msg.pSender->GetName() == _T("login_auto_login"))
		{
			CCheckBoxUI* pAuto = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_auto_login")));
			CCheckBoxUI* pRemember = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_remember_password")));

			if (!pAuto->IsSelected())
			{
				pRemember->Selected(true, false);
			}
		}
		else if (msg.pSender->GetName() == _T("login_remember_password"))
		{
			CCheckBoxUI* pAuto = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_auto_login")));
			CCheckBoxUI* pRemember = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_remember_password")));

			if (pRemember->IsSelected())
			{
				pAuto->Selected(false, false);
			}
		}
    }
	else if (msg.sType == _T("itemselect"))
	{
		CDuiString name = msg.pSender->GetName();

		if (name == _T("accountcombo"))
		{
			CComboUI* pCom = static_cast<CComboUI*>(m_pm.FindControl(_T("accountcombo")));

			std::wstring name = pCom->GetItemAt(pCom->GetCurSel())->GetText();
			std::string password = CSetting::GetUser(CLewaimaiString::UnicodeToUTF8(name));
			std::wstring wspassword = CLewaimaiString::UTF8ToUnicode(password);

			CEditUI* pEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("accountedit")));
			pEdit->SetText(name.c_str());

			CEditUI* pPassword = static_cast<CEditUI*>(m_pm.FindControl(_T("pwdedit")));
			pPassword->SetText(wspassword.c_str());
		}
	}
}

LRESULT CLoginWnd::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    LONG styleValue = ::GetWindowLong(*this, GWL_STYLE);
    styleValue &= ~WS_CAPTION;
    ::SetWindowLong(*this, GWL_STYLE, styleValue | WS_CLIPSIBLINGS | WS_CLIPCHILDREN);

    // 把自己的窗口句柄与窗口绘制管理器挂接在一起
    m_pm.Init(m_hWnd);

    m_pm.AddPreMessageFilter(this);

    CDialogBuilder builder;

    CControlUI* pRoot = builder.Create(_T("login.xml"), (UINT)0, NULL, &m_pm);
    ASSERT(pRoot && "Failed to parse XML");

    // 把这些控件绘制到本窗口上
    m_pm.AttachDialog(pRoot);

    // 把自己加入到CPaintManagerUI的m_aNotifiers数组中，用于处理Notify函数
    m_pm.AddNotifier(this);

    Init();

    return 0;
}

LRESULT CLoginWnd::OnNcActivate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    if(::IsIconic(*this))
    {
        bHandled = FALSE;
    }
    return (wParam == 0) ? TRUE : FALSE;
}

LRESULT CLoginWnd::OnNcCalcSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    return 0;
}

LRESULT CLoginWnd::OnNcPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
	//在这里设置焦点才有用
	CEditUI* pAccountEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("accountedit")));
	if (pAccountEdit)
	{
		pAccountEdit->SetFocus();
	}

	return 0;
}

LRESULT CLoginWnd::OnNcHitTest(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    POINT pt;
    pt.x = GET_X_LPARAM(lParam);
    pt.y = GET_Y_LPARAM(lParam);
    ::ScreenToClient(*this, &pt);

    RECT rcClient;
    ::GetClientRect(*this, &rcClient);

    RECT rcCaption = m_pm.GetCaptionRect();
    if(pt.x >= rcClient.left + rcCaption.left && pt.x < rcClient.right - rcCaption.right \
            && pt.y >= rcCaption.top && pt.y < rcCaption.bottom)
    {
        CControlUI* pControl = static_cast<CControlUI*>(m_pm.FindControl(pt));
        if(pControl && _tcscmp(pControl->GetClass(), DUI_CTR_BUTTON) != 0)
        {
            return HTCAPTION;
        }
    }

    return HTCLIENT;
}

LRESULT CLoginWnd::OnSize(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
    SIZE szRoundCorner = m_pm.GetRoundCorner();
    if(!::IsIconic(*this) && (szRoundCorner.cx != 0 || szRoundCorner.cy != 0))
    {
        CDuiRect rcWnd;
        ::GetWindowRect(*this, &rcWnd);
        rcWnd.Offset(-rcWnd.left, -rcWnd.top);
        rcWnd.right++;
        rcWnd.bottom++;
        HRGN hRgn = ::CreateRoundRectRgn(rcWnd.left, rcWnd.top, rcWnd.right, rcWnd.bottom, szRoundCorner.cx, szRoundCorner.cy);
        ::SetWindowRgn(*this, hRgn, TRUE);
        ::DeleteObject(hRgn);
    }

    bHandled = FALSE;
    return 0;
}

LRESULT CLoginWnd::HandleMessage(UINT uMsg, WPARAM wParam, LPARAM lParam)
{
    LRESULT lRes = 0;
    BOOL bHandled = TRUE;
    switch(uMsg)
    {
    case WM_CREATE:
        lRes = OnCreate(uMsg, wParam, lParam, bHandled);
        break;
    case WM_NCACTIVATE:
        lRes = OnNcActivate(uMsg, wParam, lParam, bHandled);
        break;
    case WM_NCCALCSIZE:
        lRes = OnNcCalcSize(uMsg, wParam, lParam, bHandled);
        break;
    case WM_NCPAINT:
        lRes = OnNcPaint(uMsg, wParam, lParam, bHandled);
        break;
    case WM_NCHITTEST:
        lRes = OnNcHitTest(uMsg, wParam, lParam, bHandled);
        break;
    case WM_SIZE:
        lRes = OnSize(uMsg, wParam, lParam, bHandled);
        break;
    default:
        bHandled = FALSE;
    }
    if(bHandled)
    {
        return lRes;
    }
    if(m_pm.MessageHandler(uMsg, wParam, lParam, lRes))
    {
        return lRes;
    }
    return CWindowWnd::HandleMessage(uMsg, wParam, lParam);
}

LRESULT CLoginWnd::MessageHandler(UINT uMsg, WPARAM wParam, LPARAM lParam, bool& bHandled)
{
    if(uMsg == WM_KEYDOWN)
    {
        if(wParam == VK_RETURN)
        {
            CEditUI* pEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("accountedit")));
            if(pEdit->GetText().IsEmpty())
            {
                pEdit->SetFocus();
            }
            else
            {
                pEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("pwdedit")));
                if(pEdit->GetText().IsEmpty())
                {
                    pEdit->SetFocus();
                }
                else
                {
                    this->HandleLogin();
                }
            }
            return true;
        }
        else if(wParam == VK_ESCAPE)
        {
            PostQuitMessage(0);
            return true;
        }

    }
    return false;
}

void CLoginWnd::HandleLogin()
{
    //判断账号密码是否正确
    std::wstring account, password;
    CEditUI* pAccountEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("accountedit")));
    if(pAccountEdit)
    {
        account = pAccountEdit->GetText().GetData();
    }

    CEditUI* pPasswordEdit = static_cast<CEditUI*>(m_pm.FindControl(_T("pwdedit")));
    if(pPasswordEdit)
    {
        password = pPasswordEdit->GetText().GetData();
    }

    LOG_INFO("account:" << account.c_str() << ", password:" << password.c_str());

    string s_account = CLewaimaiString::UnicodeToUTF8(account);
    string s_password = CLewaimaiString::UnicodeToUTF8(password);

	CLewaimaiString::trim(s_account);
	CLewaimaiString::trim(s_password);

	CLabelUI* pLoginResultLabel = static_cast<CLabelUI*>(m_pm.FindControl(_T("loginresult")));
	if (s_account.compare("") == 0)
	{
		pLoginResultLabel->SetText(std::wstring(_T("用户名不能为空")).c_str());
		pLoginResultLabel->SetVisible(true);

		return;
	}

	if (s_password.compare("") == 0)
	{
		pLoginResultLabel->SetText(std::wstring(_T("密码不能为空")).c_str());
		pLoginResultLabel->SetVisible(true);

		return;
	}

    CZhipuziHttpClient::Init(s_account, s_password);

    std::string errmsg;
    bool res = CZhipuziHttpClient::Login(errmsg);

    if(res)
    {
		CCheckBoxUI* pAuto = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_auto_login")));
		CCheckBoxUI* pRemember = static_cast<CCheckBoxUI*>(m_pm.FindControl(_T("login_remember_password")));

		if (pAuto->IsSelected())
		{
			CSetting::SetParam("setting_is_auto_login", "1", false);
			CSetting::SetParam("setting_is_remember_password", "1", false);

			//相当于开启自动登录，默认就是开启了记住密码了
			CSetting::SetUser(s_account, s_password, true);
		}
		else
		{
			CSetting::SetParam("setting_is_auto_login", "0", false);

			if (pRemember->IsSelected())
			{
				CSetting::SetParam("setting_is_remember_password", "1", false);
			}
			else
			{
				CSetting::SetParam("setting_is_remember_password", "0", false);
			}


			if (pRemember->IsSelected())
			{
				CSetting::SetUser(s_account, s_password, true);
			}
			else
			{
				CSetting::SetUser(s_account, "", true);
			}
		}		

		//在这里设置完参数后，统一保存到数据库
		CSetting::SetParam("last_login_username", s_account, true);

        CMainWnd* pFrame = new CMainWnd();
        if(pFrame == NULL)
        {
            return;
        }

        pFrame->SetIcon(IDI_ICON_DUILIB);
        pFrame->Create(NULL, _T("智铺子收银软件"), UI_WNDSTYLE_FRAME, 0L, 0, 0, 1024, 768);
        pFrame->CenterWindow();

        ::ShowWindow(*pFrame, SW_SHOWMAXIMIZED);

        Close();
    }
    else
    {
        //登录失败了
        CLabelUI* pLoginResultLabel = static_cast<CLabelUI*>(m_pm.FindControl(_T("loginresult")));

        pLoginResultLabel->SetText(std::wstring(_T("登录失败：") + CLewaimaiString::UTF8ToUnicode(errmsg)).c_str());
        pLoginResultLabel->SetVisible(true);
    }
}