/*
 * Developed by Torben H. Nielsen
 */


#include "stdafx.h"
#include "h6-udlånssystem.h"
#include "h6-udlånssystemDlg.h"
#include ".\h6-udlånssystemdlg.h"

#include "ConfigFile.h"
#include "commonstorage.h"

#include "databaselayer.h"
#include "microsoftdblayer.h"
#include "mysqllayer.h"
#include "postgreslayer.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	enum { IDD = IDD_ABOUTBOX };

	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support

// Implementation
protected:
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
END_MESSAGE_MAP()


// Ch6udlnssystemDlg dialog



Ch6udlnssystemDlg::Ch6udlnssystemDlg(CWnd* pParent /*=NULL*/)
	: CDialog(Ch6udlnssystemDlg::IDD, pParent)
{
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void Ch6udlnssystemDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	DDX_Control(pDX, IDC_TAB, m_tabs);
}

BEGIN_MESSAGE_MAP(Ch6udlnssystemDlg, CDialog)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
	ON_COMMAND(ID_HELP_ABOUT, OnHelpAbout)
	ON_COMMAND(ID_FILE_EXIT, OnFileExit)
END_MESSAGE_MAP()


// Ch6udlnssystemDlg message handlers

BOOL Ch6udlnssystemDlg::OnInitDialog()
{
	CDialog::OnInitDialog();
	CWaitCursor wait;

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon

	m_tabs.InsertItem(0,"Search");
	m_tabs.InsertItem(1,"Result");
	m_tabs.InsertItem(2,"Administration");
	m_tabs.Init();
	m_tabs.SetCurSel(0);

	ConfigFile config;
	try {
		config.Read();
	} catch(...) {
		MessageBox("Could not open config file");
		OnOK();
		return true;
	}

	DatabaseLayer *dbl = 0;
	try {
		if (config.driver.MakeLower() == "mysql")
			dbl = new MySQLLayer(config);
		else if (config.driver.MakeLower() == "postgresql")
			dbl = new PostgresLayer(config);
		else if (config.driver.MakeLower() == "microsoftsql")
			dbl = new MicrosoftDBLayer(config);
		else {
			CString tmp;
			tmp.Format("Unsupported driver: %s", config.driver);
			MessageBox(tmp);
			OnOK();
		}
	} catch (CDBException *ex) {
		MessageBox(CString("Could not establish connection to the database server\r\n") +
				   "Please contact your network administrator\r\n\r\n" + 
				   "ODBC Returned the following message:\r\n" +
				   ex->m_strError);
		
		OnOK();
	} catch (...) {
		MessageBox("Unknown DB exception");
		OnOK();
	}

	CommonStorage::Instance()->setDBLayer(dbl);

	CString title = "H6-Udlånssystem - ";
	title += config.driver;
	SetWindowText(title);

	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void Ch6udlnssystemDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void Ch6udlnssystemDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, reinterpret_cast<WPARAM>(dc.GetSafeHdc()), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this function to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR Ch6udlnssystemDlg::OnQueryDragIcon()
{
	return static_cast<HCURSOR>(m_hIcon);
}

void Ch6udlnssystemDlg::OnHelpAbout()
{
	CAboutDlg about;
	about.DoModal();
}

void Ch6udlnssystemDlg::OnFileExit()
{
	// TODO: Add your command handler code here
	OnOK();
}