/*
#	Insight Distribution Systems - System V - Oct 1997
#ident	"@(#)setup.rul	1.3 :/sccs/sql/odbc/s.setup.rul 11/13/97 12:18:11"
*/


/*----------------------------------------------------------------------------*\
 *
 *   PostgreSQL ODBC Driver Installation Script for InstallShield
 *
\*----------------------------------------------------------------------------*/


#define APP_NAME                "PostgreSQL ODBC Driver"
#define DRIVER_NAME             "PostgreSQL"
#define DRIVER_FILE             "PODBC32.DLL"

#define COMPANY_NAME            "Insight"
#define PRODUCT_NAME            "PostgreSQL ODBC Driver"
#define PRODUCT_VERSION         "6.2"
#define PRODUCT_KEY             "PODBC32.DLL"
#define UNINSTALL_KEY           "PODBC32v6.2"

#define ODBC_DM_KEY      "\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\SharedDLLs"
#define ODBC_COMP_KEY    "\\SOFTWARE\\ODBC\\ODBCINST.INI"
#define ODBC_CORE_KEY    "\\SOFTWARE\\ODBC\\ODBCINST.INI\\ODBC Core"
#define ODBC_DRIVERS_KEY "\\SOFTWARE\\ODBC\\ODBCINST.INI\\ODBC Drivers"


declare
        // functions
        prototype SetupScreen();
        prototype FileCompare(STRING, STRING, STRING, STRING);

        // variables
        STRING svMainDirectory [_MAX_STRING], svGrp, svUninstLogFile, svPath;
        STRING svValue, szName, szKey, szMessage;
        STRING szMsg, szTmp, szTmp2, szFileSet, szProgram;
        NUMBER nResult, nvType, nvSize, nStartup, ComponentUsageCount;

        NUMBER nvDoNot, nvVersion, nvInstall, nCore, nDM;
        STRING dm, core, szFileName;        
        NUMBER options, nvInfo, nvResult;
        LONG lResult;
        STRING svCompVersion, svFileVersion, svCompDate, svCompTime, svFileDate, svFileTime;

program

StartHere:
        Disable( BACKGROUND );

        // Set up the installation screen.
        SetupScreen();
        InstallationInfo(COMPANY_NAME, PRODUCT_NAME, PRODUCT_VERSION, PRODUCT_KEY);
        RegDBSetAppInfo("Location", REGDB_STRING, WINSYSDIR ^ DRIVER_FILE, -1);

// Create a Welcome dialog.
WelcomeDlg:
        Disable( BACKBUTTON );
        Welcome( "Welcome to the PostgreSQL Odbc Driver Installation", 0 );
        Enable( BACKBUTTON );
        Enable( NEXTBUTTON );
        
GetTargetDirectory:
        svMainDirectory = WINSYSDIR;

OptionsDlg:
        RegDBSetDefaultRoot(HKEY_LOCAL_MACHINE);
        szKey = ODBC_DM_KEY;
        nCore = RegDBKeyExist(szKey);

        szName = WINSYSDIR ^ "ODBC32.DLL";
        nDM = RegDBGetKeyValueEx(szKey, szName, nvType, svValue, nvSize);

        szMessage = "Select options for installing the ODBC Driver Manager.\n" +
                "Analysis of your system suggests that the ODBC Driver Manager\n";

        nvDoNot = FALSE;
        nvInstall = FALSE;
        nvVersion = FALSE;
        if (nCore >= 0 && nDM >= 0) then
                nvDoNot = TRUE;
                szMessage = szMessage + "is already installed.  Therefore, you may choose not to install it.";
        else
                nvInstall = TRUE;
                szMessage = szMessage + "is not installed.  Therefore, you should install it now.";
        endif;

        Enable(FINISHBUTTON);
        nResult = AskOptions(EXCLUSIVE, szMessage,
                 "Do not install Driver Manager", nvDoNot,
                 "Install Driver Manager ", nvInstall,
                 "Install Driver Manager (with version checking)", nvVersion);

        if (nResult = BACK) then
                Disable(FINISHBUTTON);
                goto WelcomeDlg;
        endif;

Version:
        CompressInfo("driver.z", DRIVER_FILE, COMP_INFO_VERSIONMS|COMP_INFO_VERSIONLS, nvInfo, svCompVersion);

        szFileName = WINSYSDIR ^ "PODBC32.DLL";
        nResult = VerGetFileVersion(szFileName, svFileVersion);
        // MessageBox("System file PODBC32.dll version is " + svFileVersion, INFORMATION);

        lResult = VerCompare(svCompVersion, svFileVersion, VERSION);

        if (lResult = EQUALS) then
                //date
                CompressInfo("driver.z", DRIVER_FILE, COMP_INFO_DATE, nvInfo, svCompDate);
                GetFileInfo(szFileName, FILE_DATE, nvResult, svFileDate);

                //time
                CompressInfo("driver.z", DRIVER_FILE, COMP_INFO_TIME, nvInfo, svCompTime);
                GetFileInfo(szFileName, FILE_TIME, nvResult, svFileTime);

                // If compressed file date/time is earlier than system file date/time
                // then 
                nResult = FileCompare(svCompDate, svCompTime, svFileDate, svFileTime);
                if (nResult < 0) then
                        lResult = LESS_THAN;
                endif;

                NumToStr(szTmp, nResult);
                // MessageBox("File Compare = " + szTmp, INFORMATION);
        endif;
                
        if (lResult = LESS_THAN) then
                MessageBeep(0);
                nResult = AskYesNo("The " + PRODUCT_NAME + " is already installed on your system \nand is a newer version than the one that is about to be installed.\n\n" +
                        "Would you like to continue the installation anyway (not recommended)?", NO);
                if (nResult = NO) then
                        MessageBeep(0);
                        MessageBox("Installation has been aborted.\nNo changes have been made to your system.", WARNING);
                        exit;
                endif;
        else
        /*
                nResult = AskYesNo("Ready to install " + PRODUCT_NAME + ".\n\nPress Yes to proceed with the installation.\nPress No to abort the installation.", YES);
                if (nResult = NO) then
                        MessageBeep(0);
                        MessageBox("Installation has been aborted.\nNo changes have been made to your system.", WARNING);
                        exit;
                endif;
        */
        endif;

CheckRegistry:
        Enable(STATUSDLG);

        SetStatusWindow(5, "Checking registry entries...");
        Delay(1);

        RegDBSetDefaultRoot(HKEY_LOCAL_MACHINE);
        szKey = ODBC_DM_KEY;
        nResult = RegDBKeyExist(szKey);
        if (nResult < 0 && nvDoNot = TRUE) then
                MessageBeep(0);
                MessageBox("ODBC Core Components are not installed!", SEVERE);
                Disable(STATUSDLG);
                MessageBeep(0);
                MessageBox("Please install the ODBC Core Components\nand rerun this setup program.", INFORMATION);
                exit;
        endif;

        szName = WINSYSDIR ^ "ODBC32.DLL";
        nResult = RegDBGetKeyValueEx(szKey, szName, nvType, svValue, nvSize);
        if (nResult < 0 && nvDoNot = TRUE) then
                MessageBeep(0);
                MessageBox("ODBC Driver Manager (ODBC32.DLL) is not installed!", SEVERE);
                Disable(STATUSDLG);
                MessageBeep(0);
                MessageBox("Please install the ODBC Driver Manager\nand rerun this setup program.", INFORMATION);
                exit;
        endif;


FileSetup:

        SetStatusWindow( 10, "Copying program files...");
        StatusUpdate(ON, 90);

        DeinstallStart(svMainDirectory, svUninstLogFile, UNINSTALL_KEY, 0);

        //      Show the uninstall under Add/Remove Programs in Control Panel
        RegDBSetItem(REGDB_UNINSTALL_NAME, PRODUCT_NAME);

        szFileSet = "podbc32";

        TARGETDIR = svMainDirectory;    // winsys

        FileSetBeginDefine(szFileSet);


        nResult = CompressGet("driver.z", "*.*", COMP_NORMAL);
        if (nResult < 0) then
                NumToStr(szTmp, nResult);
                MessageBox("Compress Get Error on driver.z files.\n\nError # " + szTmp, SEVERE);
                exit;
        endif;

        TARGETDIR = svMainDirectory;    // winsys

        //      Driver Manager stuff
        if (! nvDoNot) then
                if (nvVersion) then
                        options = COMP_UPDATE_VERSION;
                else
                        options = COMP_NORMAL;
                endif;

        //      The File usage count increments are handled by CompressGet
        //      with the SHAREDFILE option.

                nResult = CompressGet("redist.z", "*.*", options|SHAREDFILE);
                if (nResult < 0) then
                        NumToStr(szTmp, nResult);
                        MessageBox("Compress Get Error on redist.z files.\n\nError # " + szTmp, SEVERE);
                        exit;
                endif;
        endif;


        FileSetEndDefine(szFileSet);

FileTransfer:
        nResult = FileSetPerformEz(szFileSet, 0);

        switch(nResult)
        case FS_DONE:
        case FS_CREATEDIR:
                MessageBeep(0);
                MessageBox("Unable to create a required subdirectory under " + TARGETDIR + "."
                + "\nPlease check write access to this directory.", SEVERE);

                abort;
        default:
                NumToStr(szTmp, nResult);
                MessageBeep(0);
                MessageBox("Error copying files to " + TARGETDIR + "."
                + "\nPlease check this location and try again."
                + "\n\nError Number:"+szTmp, SEVERE);

                abort;

        endswitch;


UpdateRegistry:
        SetStatusWindow(95, "Creating registry entries...");
        Delay(2);

        RegDBSetDefaultRoot(HKEY_LOCAL_MACHINE);

        Disable(LOGGING);

        // Create ODBC Core Subkey (if it doesn't exist)
        //      (But don't create uninstall information for it)
        szKey = ODBC_CORE_KEY;
        nResult = RegDBCreateKeyEx(szKey, "");
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create ODBC Core subkey.", SEVERE);
                exit;
        endif;
        
        // Create Installed Driver Key (if it doesn't exist)
        //      (But don't create uninstall information for it)
        szKey = ODBC_DRIVERS_KEY;
        nResult = RegDBCreateKeyEx(szKey, "");
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create ODBC Drivers subkey.", SEVERE);
                exit;
        endif;


        // Increment Driver Manager Component UsageCount
        szKey = ODBC_CORE_KEY;
        szName = "UsageCount";
        if (RegDBGetKeyValueEx(szKey, szName, nvType, svValue, nvSize) < 0) then
                ComponentUsageCount = 0;
        endif;

        // MessageBox("Current Driver Manager Component Usage Count = " + svValue, INFORMATION);

        StrToNum(ComponentUsageCount, svValue);
        ComponentUsageCount = ComponentUsageCount + 1;
        NumToStr(szTmp, ComponentUsageCount);
        // MessageBox("New Driver Manager Component Usage Count = " + szTmp, INFORMATION);
        
        nResult = RegDBSetKeyValueEx(szKey, szName, REGDB_NUMBER, szTmp, -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to increment Driver Manager component usage count.", SEVERE);
                exit;
        endif;

        //      Re-enable logging now
        Enable(LOGGING);

        //      set ODBC Drivers Subkey (installed)
        szKey = ODBC_DRIVERS_KEY;
        nResult = RegDBSetKeyValueEx(szKey, DRIVER_NAME, REGDB_STRING, "Installed", -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'Installed' key value.", SEVERE);
                exit;
        endif;


        //      Driver Specification Subkey (PostgreSQL)
        szKey = ODBC_COMP_KEY + "\\" + DRIVER_NAME;
        nResult = RegDBCreateKeyEx(szKey, "");
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create ODBC Driver Key.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "APILevel", REGDB_STRING, "1", -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'APILevel' key value.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "ConnectFunctions", REGDB_STRING, "YYN", -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'ConnectFunctions' key value.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "Driver", REGDB_STRING, WINSYSDIR ^ DRIVER_FILE, -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'Driver' key value.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "DriverODBCVer", REGDB_STRING, "02.00", -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'DriverODBCVer' key value.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "FileUsage", REGDB_STRING, "0", -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'FileUsage' key value.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "Setup", REGDB_STRING, WINSYSDIR ^ DRIVER_FILE, -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'Setup' key value.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "SQLLevel", REGDB_STRING, "1", -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'SQLLevel' key value.", SEVERE);
                exit;
        endif;

        nResult = RegDBSetKeyValueEx(szKey, "UsageCount", REGDB_NUMBER, "1", -1);
        if (nResult < 0) then
                MessageBeep(0);
                MessageBox("Unable to create 'UsageCount' key value.", SEVERE);
                exit;
        endif;

Done:
        Delay(1);
        SetStatusWindow(100, "Installation complete");

        Delay(1);
        Disable(STATUSDLG);

        if (BATCH_INSTALL = TRUE) then
                szMsg = "Some files could not be updated because they are " +
                        "currently in use by other programs on the system. " +
                        "Files in use will be updated the next time you restart " +
                        "your system.";
                RebootDialog("Restart Windows", szMsg, SYS_BOOTMACHINE);
                CommitSharedFiles(0);
                szMsg = "Driver setup complete.\n\nReboot your system to complete the installation.";
                MessageBeep(0);
                MessageBox(szMsg, INFORMATION);
        else

                szMsg = "Driver installation completed successfully.";
                MessageBeep(0);
                MessageBox(szMsg, INFORMATION);
        endif;

        exit;

/*---------------------------------------------------------------------------*\
 *
 * Function:  SetupScreen
 *
 *  Purpose:  This function will set up the screen look.  This includes
 *            colors, fonts, text to be displayed, etc.
 *
 *
 *    Input:
 *
 *  Returns:
 *
 * Comments:
\*---------------------------------------------------------------------------*/

function SetupScreen()
        begin

          Enable( INDVFILESTATUS );

          SetTitle( APP_NAME + " Setup", 28, WHITE );

          SetTitle( "Setup", 0, BACKGROUNDCAPTION ); // Caption bar text.

          Enable( BACKGROUND );

        end;

function FileCompare(szCompInfoDate, szCompInfoTime, szFileInfoDate, szFileInfoTime)
        STRING year, month, day, file_date, file_time;
        NUMBER nResult;
        begin
                StrSub(year, szFileInfoDate, 2, 2);
                StrSub(month, szFileInfoDate, 5, 2);
                StrSub(day, szFileInfoDate, 8, 2);
                file_date = month + "-" + day + "-" + year;

                nResult = StrCompare(szCompInfoDate, file_date);
                if (nResult != 0) then
                        return nResult;
                endif;

                StrSub(file_time, szFileInfoTime, 0, 5);

                // MessageBox("Comp = " + szCompInfoDate + " " + szCompInfoTime + ", File = " + file_date + " " + file_time, INFORMATION);
                nResult = StrCompare(szCompInfoTime, file_time);

                return nResult;
        end;