/****************************************************************
 * Copyright (C) 2008 LAMS Foundation (http://lamsfoundation.org)
 * =============================================================
 * License Information: http://lamsfoundation.org/licensing/lams/2.0/
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2.0
 * as published by the Free Software Foundation.
 *
 * 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; ifnot, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 * USA
 *
 * http://www.gnu.org/licenses/gpl.txt
 * ****************************************************************
 */


# includes
!include "TextFunc.nsh"
!include "includes\Functions.nsh"
!include "MUI.nsh"
!include "LogicLib.nsh"
;!define ArrayNoTemp4
;!include "..\includes\Array.nsh"

# functions from TextFunc.nsh
!insertmacro FileJoin
!insertmacro LineFind

# constants
!define VERSION "2.1 RC1"
!define LANGUAGE_PACK_VERSION "2008-03-15"
!define LANGUAGE_PACK_VERSION_INT "20080315"
!define DATE_TIME_STAMP "200803151000"
!define SERVER_VERSION_NUMBER "2.0.99.200803121303"
!define BASE_VERSION "2.0"
!define SOURCE_JBOSS_HOME "D:\jboss-4.0.2"  ; location of jboss where lams was deployed
!define REG_HEAD "Software\LAMS Foundation\LAMSv2"
!define BASE_DEV_DIR "..\..\"
!define BUILD "..\..\build\"
!define DATABASE "..\..\database\"

# installer settings
!define MUI_ICON "..\graphics\lams2.ico"
!define MUI_UNICON "..\graphics\lams2.ico"
Name "LAMS ${VERSION}"
;BrandingText "LAMS ${VERSION} -- built on ${__TIMESTAMP__}"
BrandingText "LAMS ${VERSION} -- built on ${__DATE__} ${__TIME__}"
OutFile "${BUILD}\LAMS-2.1-RC1.exe"
InstallDir "C:\lams"
InstallDirRegKey HKLM "${REG_HEAD}" ""
LicenseForceSelection radiobuttons "I Agree" "I Do Not Agree" 
InstProgressFlags smooth


# set warning when cancelling install
!define MUI_ABORTWARNING

# set welcome page
!define MUI_WELCOMEPAGE_TITLE "LAMS ${VERSION} Install Wizard"
!define MUI_WELCOMEPAGE_TEXT "This wizard will guide you through the installation of LAMS ${VERSION}.\r\n\r\n\
    LAMS 2.1 RC1 has been released for users to explore the new Branching features coming in LAMS 2.1.\r\n\r\n\
    Do NOT use this installer to set up production server for LAMS.\r\n\r\n\  
    You cannot use this installer to upgrade an existing copy of LAMS 2.0.\r\n\r\n\ 
    Please ensure you have a copy of MySQL 5.x installed and running, and Java JDK version 1.5.x. or 1.6.x\r\n\r\n\
    Click Next to continue."


# set instfiles page to wait when done
!define MUI_FINISHPAGE_NOAUTOCLOSE
!define MUI_UNFINISHPAGE_NOAUTOCLOSE

# display finish page stuff
!define MUI_FINISHPAGE_RUN $INSTDIR\lams-start.exe
!define MUI_FINISHPAGE_RUN_TEXT "Start LAMS now"
;!define MUI_FINISHPAGE_TEXT "The LAMS Server has been successfully installed on your computer."
!define MUI_FINISHPAGE_SHOWREADME $INSTDIR\readme.txt
!define MUI_FINISHPAGE_SHOWREADME_TEXT "Open the readme file"
!define MUI_FINISHPAGE_LINK "Visit LAMS Community"
!define MUI_FINISHPAGE_LINK_LOCATION "http://www.lamscommunity.org"

# installer screen progression
!insertmacro MUI_PAGE_WELCOME
!insertmacro MUI_PAGE_LICENSE "..\documents\license.txt"
!insertmacro MUI_PAGE_COMPONENTS
!define MUI_PAGE_CUSTOMFUNCTION_LEAVE DirectoryLeave
!insertmacro MUI_PAGE_DIRECTORY
Page custom PreLAMSConfig PostLAMSConfig
Page custom PreMySQLConfig PostMySQLConfig
Page custom PreLAMS2Config PostLAMS2Config
Page custom PreWildfireConfig PostWildfireConfig
Page custom PreFinal PostFinal
!insertmacro MUI_PAGE_INSTFILES
!insertmacro MUI_PAGE_FINISH

;!insertmacro MUI_PAGE_WELCOME
;!insertmacro MUI_PAGE_LICENSE "..\license.txt"
;!insertmacro MUI_PAGE_COMPONENTS
;!define MUI_PAGE_CUSTOMFUNCTION_LEAVE DirectoryLeave
;!insertmacro MUI_PAGE_DIRECTORY
;;Page custom PreMySQLConfig PostMySQLConfig
;Page custom PreLAMSConfig PostLAMSConfig
;Page custom PreLAMS2Config PostLAMS2Config
;Page custom PreWildfireConfig PostWildfireConfig
;;!insertmacro MUI_PAGE_INSTFILES
;!insertmacro MUI_PAGE_FINISH


# uninstaller screens
!insertmacro MUI_UNPAGE_WELCOME
UninstPage custom un.PreUninstall un.PostUninstall
!insertmacro MUI_UNPAGE_CONFIRM
!insertmacro MUI_UNPAGE_INSTFILES
!insertmacro MUI_UNPAGE_FINISH


# supported translations
!insertmacro MUI_LANGUAGE "English" # first language is the default language


# reserve files
#
ReserveFile "lams.ini"
ReserveFile "lams2.ini"
ReserveFile "mysql.ini"
ReserveFile "wildfire.ini"
;ReserveFile "lams_components.ini"
ReserveFile "final.ini"
!insertmacro MUI_RESERVEFILE_INSTALLOPTIONS
!insertmacro MUI_RESERVEFILE_LANGDLL

# variables
Var MYSQL_DIR           ; path to user's mysql directory
Var MYSQL_ROOT_PASS     ; root pass for mysql
Var MYSQL_HOST            ; ip address for mysql
Var DB_NAME             ; db name for lams
Var DB_USER             ; db user for lams
Var DB_PASS             ; db pass for lams
Var JDK_DIR             ; path to user's JDK directory  
Var LAMS_DOMAIN         ; server URL for lams
Var LAMS_PORT           ; PORT for lams usually 8080
Var LAMS_LOCALE         ; default language locale on startup
Var LAMS_REPOSITORY     ; path to repository on user's box
Var LAMS_USER           ; user name for lams system administrater
Var LAMS_PASS           ; password for lams system administrater
Var WILDFIRE_DOMAIN     ; wildfire URL
Var WILDFIRE_USER       ; wildfire username
Var WILDFIRE_PASS       ; wildfie password
Var WINTEMP             ; temp dir
Var RETAIN_DIR          ; path to directory to retain files on uninstall
Var RETAIN_FILES        ; bool value to devide whether to retain files
;Var IS_UPDATE           ; bool value to determine whether this is an update
;Var INCLUDE_JSMATH      ; bool value to determine whether to include JBOSS
;Var TOOL_SIG            ; tool signature used for tool deployer
Var TIMESTAMP           ; timestamp
;Var BACKUP              ; bool value to determine whether the updater will backup


#LANGUAGE PACK VARIABLES #####
;Var UPDATE_LANGUAGES    ; bool value to determine whether to update languages with language pack
;Var LAMS_DIR            ; directory lams is installed at
;Var VERSION_INT         ; version of the language pack
;Var OLD_LANG_VERSION         ; previous version of language pack

##############################

SectionGroup /e "LAMS ${VERSION} Full Install" fullInstall
    Section "JBoss 4.0.2" jboss
        SectionIn RO
        DetailPrint "Setting up JBoss 4.0.2"
        SetOutPath $INSTDIR
        
        File /a /r /x all /x minimal /x robyn /x log /x tmp /x work /x jsMath.war /x *.bak ${SOURCE_JBOSS_HOME}
        
        ; Copy jboss-cache.jar, jgroups.jar from server/all/lib to server/default/lib
        copyfiles "$INSTDIR\jboss-4.0.2\server\all\lib\jboss-cache.jar" "$INSTDIR\jboss-4.0.2\server\default\lib"
        copyfiles "$INSTDIR\jboss-4.0.2\server\all\lib\jgroups.jar" "$INSTDIR\jboss-4.0.2\server\default\lib"

    SectionEnd

    Section "LAMS ${VERSION}" lams
        SectionIn RO
        Detailprint "Installing LAMS ${VERSION}"
        
        SetOutPath $INSTDIR
        
        
        Call DeployConfig
        Call ImportDatabase
        
        CreateDirectory "$INSTDIR\temp"
        
        CreateDirectory "$INSTDIR\dump"
        CreateDirectory "$LAMS_REPOSITORY"
        
        # Log mode is set to INFO in this template
        SetOutPath "$INSTDIR\jboss-4.0.2\server\default\conf"
        File /a "..\conf\log4j.xml"
        
        Call WriteRegEntries
        
        SetOutPath $INSTDIR
        File /a "${BUILD}\lams-start.exe"
        File /a "${BUILD}\lams-stop.exe"
        File /a "${BUILD}\lams-backup.exe"
        File /a "${BUILD}\lams-restore.exe"
        File /a "..\documents\license.txt"
        File /a "..\documents\license-wrapper.txt"
        File /a "..\documents\readme.txt"
        Call SetupStartMenu
        
        ${if} $RETAIN_FILES == "1"
            Call OverWriteRetainedFiles
        ${endif}
        
        WriteUninstaller "$INSTDIR\lams-uninstall.exe"

    SectionEnd
    
    Section  "Install as Service" service
        SectionIn RO
        DetailPrint "Setting up lams ${VERSION} as a service."
        SetOutPath "$INSTDIR\jboss-4.0.2\bin"
        File /a "${BASE_DEV_DIR}\wrapper-windows-x86-32-3.2.3\bin\wrapper.exe"
        File /a "/oname=$INSTDIR\jboss-4.0.2\bin\InstallLAMS-NT.bat" "${BASE_DEV_DIR}\wrapper-windows-x86-32-3.2.3\bin\InstallTestWrapper-NT.bat"
        File /a "/oname=$INSTDIR\jboss-4.0.2\bin\UninstallLAMS-NT.bat" "${BASE_DEV_DIR}\wrapper-windows-x86-32-3.2.3\bin\UninstallTestWrapper-NT.bat"
        SetOutPath "$INSTDIR\jboss-4.0.2\lib"
        File /a "${BASE_DEV_DIR}\wrapper-windows-x86-32-3.2.3\lib\wrapper.dll"
        File /a "${BASE_DEV_DIR}\wrapper-windows-x86-32-3.2.3\lib\wrapper.jar"
        CreateDirectory "$INSTDIR\jboss-4.0.2\conf"
        CopyFiles "$INSTDIR\wrapper.conf" "$INSTDIR\jboss-4.0.2\conf\wrapper.conf"
        CreateDirectory "$INSTDIR\jboss-4.0.2\logs"
        nsExec::ExecToStack '$INSTDIR\jboss-4.0.2\bin\InstallLAMS-NT.bat'
        Pop $0
        ${If} $0 == 0
            DetailPrint "LAMSv2 successfully setup as a service. ($0)"
        ${Else}
            DetailPrint "LAMSv2 was not setup as a service. ($0)"
            MessageBox MB_OK|MB_ICONEXCLAMATION "LAMSv2 was not installed as a service.  However you may start LAMS by double-clicking $INSTDIR\jboss-4.0.2\bin\run.bat."
        ${EndIf}        
    SectionEnd
SectionGroupEnd

/*
SectionGroup "jsMath (optional)"
    
    Section /o "jsMath (compressed)" jsmathc
        SetOutPath "$INSTDIR\jboss-4.0.2\server\default\deploy"
        File /a /r  "${BASE_DEV_DIR}\..\jsmath\build\lib\jsMath.war"
    SectionEnd

    Section /o "jsMath (expanded)" jsmathe
            DetailPrint "Including jsMath in LAMS ${VERSION}"
            SetOutPath "$TEMP"
            File /a  "${BASE_DEV_DIR}\..\jsmath\build\lib\jsMath.war"
            CreateDirectory "$INSTDIR\jboss-4.0.2\server\default\deploy\jsMath.war"
            SetOutPath "$INSTDIR\jboss-4.0.2\server\default\deploy\jsMath.war"
            DetailPrint "$JDK_DIR\bin\jar xf $TEMP\jsMath.war"
            DetailPrint "Expanding jsMath.war... This may take several minutes"
            nsExec::ExecToStack "$JDK_DIR\bin\jar xf $TEMP\jsMath.war"
            Pop $0
            Pop $1
            
            CreateDirectory "$INSTDIR\install_logs"
    
            FileOpen $R0 "$INSTDIR\install_logs\installer_jsmathe.log" w
                IfErrors 0 +2
                    goto error
            FileWrite $R0 $1
            FileClose $R0
            
            ${If} $0 != 0
                DetailPrint "Failed to expand jsMath.war."
                DetailPrint "Error: $1"
            ${EndIf}
            Delete "$TEMP\jsMath.war"
            
            goto done
            error:
                DetailPrint "Problem opening $INSTDIR\install_logs\installer_jsmathe.log for writing"
            done:
    SectionEnd
SectionGroupEnd
*/

# functions
#

Function .onInit
    
    # Checking to see ifLAMS is installed 
    call checkRegistry

    # extract custom page display config
    !insertmacro MUI_INSTALLOPTIONS_EXTRACT "lams.ini"
    !insertmacro MUI_INSTALLOPTIONS_EXTRACT "lams2.ini"
    !insertmacro MUI_INSTALLOPTIONS_EXTRACT "mysql.ini"
    !insertmacro MUI_INSTALLOPTIONS_EXTRACT "wildfire.ini"
    !insertmacro MUI_INSTALLOPTIONS_EXTRACT "final.ini"
    
    # set jsmath exploded size (assumes 4KB cluster size on destination hdd)
    ;SectionSetSize ${jsmathe} 81816
    
FunctionEnd


################################################################################
# USER INTERFACE CODE                                                          #
################################################################################

Function checkRegistry
    # Check the current version installed (ifany)
    ReadRegStr $0 HKLM "${REG_HEAD}" "version" 
    
    ${if} $0 == ""
    ${else}
        MessageBox MB_OK|MB_ICONSTOP "You already have LAMS $0 Installed on your computer. You must uninstall before continuing."
        Abort

    ${endif}
FunctionEnd


Function CheckJava
    # check for JDK
    ${If} $JDK_DIR == ""
        ReadRegStr $JDK_DIR HKLM "SOFTWARE\JavaSoft\Java Development Kit\1.6" "JavaHome"
        ${If} $JDK_DIR == ""
            ReadRegStr $JDK_DIR HKLM "SOFTWARE\JavaSoft\Java Development Kit\1.5" "JavaHome"
            ${if} $JDK_DIR == ""
                MessageBox MB_OK|MB_ICONSTOP "Could not find a Java JDK 1.5 or 1.6 installation.  Please enter where you have java 5 or 6 installed."
            ${EndIf}
        ${EndIf}
    ${endif}

FunctionEnd

Function Checkjava2    
    # check java version using given dir
    nsExec::ExecToStack '$JDK_DIR\bin\javac.exe -version'
    Pop $0
    Pop $1
    ${StrStr} $0 $1 "1.6"
    ${If} $0 == ""
        ${StrStr} $0 $1 "1.5"
        ${If} $0 == ""
            MessageBox MB_OK|MB_ICONEXCLAMATION "Could not find a Java 5 or Java 6 installation in the given directory. $\r$\nPlease check your Java installation and try again.$\r$\n$\r$\n$JDK_DIR"
            Abort
        ${EndIf}
    ${EndIf}
FunctionEnd


Function CheckMySQL  
        # check mysql version is 5.0.x
        Setoutpath "$TEMP\lams\"
        File "${BUILD}\checkmysqlversion.class"
        File "${BASE_DEV_DIR}\mysql-connector-java-3.1.12-bin.jar"
        nsExec::ExecToStack '$JDK_DIR\bin\java.exe -cp ".;$TEMP\lams\mysql-connector-java-3.1.12-bin.jar" checkmysqlversion "jdbc:mysql://$MYSQL_HOST/?characterEncoding=utf8" root "$MYSQL_ROOT_PASS"'
        Pop $0
        Pop $1
        ${If} $0 != 0
            ${StrStr} $3 $1 "UnknownHostException"
            ${if} $3 == "" 
                MessageBox MB_OK|MB_ICONEXCLAMATION "An error occurred whilst checking your mysql configuration $\r$\n$\r$\nError: $1"
            ${else}
                MessageBox MB_OK|MB_ICONEXCLAMATION "An error occurred whilst checking your mysql configuration $\r$\n$\r$\nError: Could not connect to MySql host: $MYSQL_HOST. Please check your database configurations and try again."
            ${endif}               
            Abort
        ${EndIf}
        Delete "$TEMP\lams\checkmysqlversion.class"
        Delete "$TEMP\mysql-connector-java-3.1.12-bin.jar"  
FunctionEnd

Function DirectoryLeave
    # check for spaces in instdir
    ${StrStr} $0 $INSTDIR " "
    ${If} $0 != ""
        MessageBox MB_OK|MB_ICONEXCLAMATION "Please choose a location without a space."
        Abort
    ${EndIf}
    # check LAMS 1
    ReadRegStr $0 HKLM "SOFTWARE\LAMS\Server" "install_dir"
    ReadRegStr $1 HKLM "SOFTWARE\LAMS\Server" "install_status"
    ReadRegStr $2 HKLM "SOFTWARE\LAMS\Server" "install_version"
    ${If} $1 == "successful"
        MessageBox MB_OK|MB_ICONINFORMATION "ifyou have LAMS $2 on your system, remember not to run it at the same time as LAMS ${VERSION} (unless you know what you're doing)."
        ${If} $0 == $INSTDIR
            MessageBox MB_OK|MB_ICONEXCLAMATION "There appears to be a LAMS $2 installation at $INSTDIR - please chose another location."
            Abort
        ${EndIf}
    ${EndIf}
    
    Strcpy $RETAIN_FILES "0"

    
    IfFileExists "$INSTDIR\backup\backup.zip" backupExists end
    backupExists:
        ; CHECK ifthere are files retained from a previous uninstall
        ; THEN after installation, overwrite retained files and free files from temp folder temp folder 
        strcpy $6 ""
        MessageBox MB_YESNO|MB_ICONQUESTION "Installer has detected database, repository and uploaded files retained from a previous install, do you wish to use them?" \
                    IDYES retainFiles \
                    IDNO noRetain
        noRetain:
            MessageBox MB_OK "Files will be backed up at $INSTDIR\backup"
            goto end
        retainFiles:
            Strcpy $WINTEMP "C:\WINDOWS\Temp"
            Strcpy $RETAIN_FILES "1"
            #CopyFiles $INSTDIR $WINTEMP
            #MessageBox MB_OK|MB_ICONEXCLAMATION "$RETAIN_FILES \n $RETAIN_REP $\n $RETAIN_CONF $\n $RETAIN_DB"
    end:
FunctionEnd


Function PreMySQLConfig
    #Call CheckMySQL
    # check for MySQL in registry
    ReadRegStr $MYSQL_DIR HKLM "SOFTWARE\MySQL AB\MySQL Server 5.0" "Location"
    ${If} $MYSQL_DIR == ""
        ReadRegStr $MYSQL_DIR HKLM "SOFTWARE\MySQL AB\MySQL Server 5.1" "Location"
        ${If} $MYSQL_DIR == ""
                #messageBox MB_OK|MB_ICONSTOP "Could not find a MySQL installation.  Please ensure you have MySQL 5.0 or 5.1 installed."
        ${endif}
    ${endif}
    
    !insertmacro MUI_INSTALLOPTIONS_WRITE "mysql.ini" "Field 3" "State" "$MYSQL_DIR"
    !insertmacro MUI_HEADER_TEXT "Setting Up MySQL Database Access (2/4)" "Choose a MySQL database and user account for LAMS.  If unsure, use the defaults."
    !insertmacro MUI_INSTALLOPTIONS_DISPLAY "mysql.ini"

FunctionEnd

Function PostMySQLConfig

    !insertmacro MUI_INSTALLOPTIONS_READ $MYSQL_DIR "mysql.ini" "Field 3" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $MYSQL_ROOT_PASS "mysql.ini" "Field 5" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $DB_NAME "mysql.ini" "Field 7" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $DB_USER "mysql.ini" "Field 9" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $DB_PASS "mysql.ini" "Field 10" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $MYSQL_HOST "mysql.ini" "Field 14" "State"

    call CheckMySQL 
FunctionEnd


Function PreLAMSConfig
    Call CheckJava

    !insertmacro MUI_INSTALLOPTIONS_WRITE "lams.ini" "Field 2" "State" "$JDK_DIR"
    !insertmacro MUI_INSTALLOPTIONS_WRITE "lams.ini" "Field 4" "State" "$INSTDIR\repository"
    !insertmacro MUI_HEADER_TEXT "Setting Up LAMS (1/4)" "Configure the LAMS Server.  If unsure, use the defaults."
    !insertmacro MUI_INSTALLOPTIONS_DISPLAY "lams.ini"

FunctionEnd


Function PostLAMSConfig
    

    !insertmacro MUI_INSTALLOPTIONS_READ $JDK_DIR "lams.ini" "Field 2" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $LAMS_REPOSITORY "lams.ini" "Field 4" "State"
    
    # check java version using given dir
    Call Checkjava2
    
FunctionEnd


Function PreLAMS2Config
        !insertmacro MUI_HEADER_TEXT "Setting Up LAMS (3/4)" "Configure the LAMS Server, and choose an admin username and password."
        !insertmacro MUI_INSTALLOPTIONS_DISPLAY "lams2.ini"
FunctionEnd


Function PostLAMS2Config
        !insertmacro MUI_INSTALLOPTIONS_READ $LAMS_DOMAIN "lams2.ini" "Field 8" "State"
        !insertmacro MUI_INSTALLOPTIONS_READ $LAMS_PORT "lams2.ini" "Field 9" "State"
        !insertmacro MUI_INSTALLOPTIONS_READ $LAMS_LOCALE "lams2.ini" "Field 12" "State"
        !insertmacro MUI_INSTALLOPTIONS_READ $LAMS_USER "lams2.ini" "Field 2" "State"
        !insertmacro MUI_INSTALLOPTIONS_READ $LAMS_PASS "lams2.ini" "Field 5" "State"
FunctionEnd


Function PreWildfireConfig
        !insertmacro MUI_HEADER_TEXT "Setting Up Wildfire Chat Server (4/4)" "Configure Wildfire, chat server for LAMS.  If unsure, use the default."
        !insertmacro MUI_INSTALLOPTIONS_DISPLAY "wildfire.ini"
FunctionEnd


Function PostWildfireConfig

    !insertmacro MUI_INSTALLOPTIONS_READ $WILDFIRE_DOMAIN "wildfire.ini" "Field 2" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $WILDFIRE_USER "wildfire.ini" "Field 5" "State"
    !insertmacro MUI_INSTALLOPTIONS_READ $WILDFIRE_PASS "wildfire.ini" "Field 7" "State"

        # check wildfire is running by checking client connection port 5222
    SetOutPath $TEMP
    File "${BUILD}\LocalPortScanner.class"
    nsExec::ExecToStack '$JDK_DIR\bin\java LocalPortScanner 5222'
    Pop $0
    Pop $1
    ${If} $0 == 0
        MessageBox MB_OKCANCEL|MB_ICONQUESTION "Wildfire does not appear to be running - LAMS will be OK, but chat rooms will be unavailable." IDOK noWildfire IDCANCEL cancel
        cancel:
            Abort
        noWildfire:
    ${EndIf}

FunctionEnd

Function PreFinal
    !insertmacro MUI_INSTALLOPTIONS_WRITE "final.ini" "Field 2" "Text" "Click 'Install' to commence installation of LAMS ${VERSION}"  
    !insertmacro MUI_HEADER_TEXT "LAMS ${VERSION}" "Configuration Completed"
    !insertmacro MUI_INSTALLOPTIONS_DISPLAY "final.ini"
FunctionEnd

Function PostFinal

    Call GetLocalTime
    Pop "$0" ;Variable (for day)
    Pop "$1" ;Variable (for month)
    Pop "$2" ;Variable (for year)
    Pop "$3" ;Variable (for day of week name)
    Pop "$4" ;Variable (for hour)
    Pop "$5" ;Variable (for minute)
    Pop "$6" ;Variable (for second)
    
    strlen $7 $0
    ${if} $7 == 1
        strcpy $0 "0$0"
    ${endif}
    
    strlen $7 $1
    ${if} $7 == 1
        strcpy $1 "0$1"
    ${endif}
    
    strlen $7 $4
    ${if} $7 == 1
        strcpy $4 "0$4"
    ${endif}
    
    strlen $7 $5
    ${if} $7 == 1
        strcpy $1 "0$5"
    ${endif}
    
    
    strcpy $TIMESTAMP "$2$1$0$4$5"
    
FunctionEnd

################################################################################
# END USER INTERFACE CODE                                                      #
################################################################################





################################################################################
# CODE USED FOR INSTALLER                                                      #
################################################################################    

Function DeployConfig
    # extract support files to write configuration
    SetOutPath $INSTDIR
    File /r "${BASE_DEV_DIR}\apache-ant-1.6.5"
    File /r "${BASE_DEV_DIR}\zip"
    SetOutPath $TEMP
    File "build.xml"
    File "..\templates\mysql-ds.xml"
    File "..\templates\server.xml"
    File "..\templates\run.bat"
    File "..\templates\wrapper.conf"
    File "..\templates\index.html"
    File "..\conf\login-config.xml"
    File "..\templates\update_lams_configuration.sql"
      
    # create installer.properties
    ClearErrors
    FileOpen $0 $TEMP\installer.properties w
    IfErrors 0 +2
        goto error
        
    # convert '\' to '/' for Ant's benefit
    Push $TEMP
    Push "\"
    Call StrSlash
    Pop $2
    FileWrite $0 "TEMP=$2$\r$\n"
            
    Push $INSTDIR
    Push "\"
    Call StrSlash
    Pop $2
    FileWrite $0 "URL=http://$LAMS_DOMAIN:$LAMS_PORT/lams/$\r$\n"
    FileWrite $0 "INSTDIR=$2/$\r$\n"
    FileWrite $0 "TEMPDIR=$2/temp$\r$\n"
    FileWrite $0 "DUMPDIR=$2/dump$\r$\n"
    FileWrite $0 "EARDIR=$2/jboss-4.0.2/server/default/deploy/lams.ear$\r$\n"
    FileWrite $0 "DEPLOYDIR=$2/jboss-4.0.2/server/default/deploy$\r$\n"
    FileWrite $0 "TOMCATDIR=$2/jboss-4.0.2/server/default/deploy/jbossweb-tomcat55.sar$\r$\n"
    FileWrite $0 "BINDIR=$2/jboss-4.0.2/bin$\r$\n"
    
    # Use unix slashes for config in wrapper.conf
    Push $JDK_DIR
    Push "\"
    Call StrSlash
    Pop $2
    FileWrite $0 "JDK_DIR_UNIX_SLASH=$2$\r$\n"
    
    Push $LAMS_REPOSITORY
    Push "\"
    Call StrSlash
    Pop $2
    FileWrite $0 "REPOSITORYDIR=$2$\r$\n"
        
    StrCpy $LAMS_LOCALE $LAMS_LOCALE 5
    FileWrite $0 "LOCALE=$LAMS_LOCALE$\r$\n"
    ${If} $LAMS_LOCALE == "ar_JO"
        FileWrite $0 "LOCALE_DIRECTION=RTL$\r$\n"
    ${Else}
        FileWrite $0 "LOCALE_DIRECTION=LTR$\r$\n"
    ${EndIf}
      
    FileWrite $0 "WILDFIRE_DOMAIN=$WILDFIRE_DOMAIN$\r$\n"
    FileWrite $0 "WILDFIRE_CONFERENCE=conference.$WILDFIRE_DOMAIN$\r$\n"
    FileWrite $0 "WILDFIRE_USER=$WILDFIRE_USER$\r$\n"
    FileWrite $0 "WILDFIRE_PASS=$WILDFIRE_PASS$\r$\n"
    
    FileWrite $0 "MYSQL_HOST=$MYSQL_HOST$\r$\n"
    FileWrite $0 "DB_NAME=$DB_NAME$\r$\n"
    FileWrite $0 "DB_USER=$DB_USER$\r$\n"
    FileWrite $0 "DB_PASS=$DB_PASS$\r$\n"
    
    FileWrite $0 "LAMS_PORT=$LAMS_PORT$\r$\n"
    FileWrite $0 "LAMS_USER=$LAMS_USER$\r$\n"
    FileWrite $0 "LAMS_PASS=$LAMS_PASS$\r$\n"
    FileClose $0
    # for debugging purposes
    CopyFiles "$TEMP\installer.properties" $INSTDIR
        
    # use Ant to write config to files
    FileOpen $0 "$INSTDIR\apache-ant-1.6.5\bin\newAnt.bat" w
    IfErrors 0 +2
        goto error
    FileWrite $0 "@echo off$\r$\nset JAVACMD=$JDK_DIR\bin\java$\r$\n"
    FileClose $0
    ${FileJoin} "$INSTDIR\apache-ant-1.6.5\bin\newAnt.bat" "$INSTDIR\apache-ant-1.6.5\bin\ant.bat" ""
    DetailPrint '$INSTDIR\apache-ant-1.6.5\bin\newAnt.bat configure-deploy'
   
   
   
    nsExec::ExecToStack '$INSTDIR\apache-ant-1.6.5\bin\newAnt.bat -buildfile $TEMP\build.xml configure-deploy'
    Pop $0 ; return code, 0=success, error=fail
    Pop $1 ; console output
    
    
    CreateDirectory "$INSTDIR\install_logs"
    
    FileOpen $R0 "$INSTDIR\install_logs\installer_ant.log" w
    IfErrors 0 +2
        goto error
    FileWrite $R0 $1
    FileClose $R0
    
    ${If} $0 == "error"
        goto error
    ${EndIf}
    ${StrStr} $0 $1 "BUILD SUCCESSFUL"
    ${If} $0 == ""
        goto error
    ${EndIf}
    
    # write my.ini ifexists, doesnt write READ-COMMITTED ifits already written
    # TODO doesn't take effect until mysql server is restarted
    DetailPrint "Setting MySQL transaction-isolation to READ-COMMITTED"
    iffileexists "$MYSQL_DIR\my.ini" 0 difini
        push "$MYSQL_DIR\my.ini"
        push "transaction-isolation=READ-COMMITTED"
        Call FileSearch
        Pop $0 #Number of times found throughout
        Pop $3 #Found at all? yes/no
        Pop $2 #Number of lines found in
        intcmp $0 0 0 done done
            clearerrors
            ${LineFind} "$MYSQL_DIR\my.ini" "" "1" "WriteMyINI"
            IfErrors nomyini myini            
    difini:
    iffileexists "$WINDIR\my.ini" 0 nomyini
        push "$WINDIR\my.ini"
        push "transaction-isolation=READ-COMMITTED"
        Call FileSearch
        Pop $0 #Number of times found throughout
        Pop $3 #Found at all? yes/no
        Pop $2 #Number of lines found in
        intcmp $0 0 0 done done
            clearerrors
            ${LineFind} "$WINDIR\my.ini" "" "1" "WriteMyINI"
            IfErrors nomyini myini
    nomyini:
        MessageBox MB_OK|MB_ICONEXCLAMATION "Couldn't write to $MYSQL_DIR\my.ini.  Please write this text into your MySQL configuration file and restart MySQL:$\r$\n$\r$\n[mysqld]$\r$\ntransaction-isolation=READ-COMMITTED"       
        goto done
    myini:
        DetailPrint "MySQL will need to be restarted for this to take effect."
        goto done
    error:
        DetailPrint "Ant configure-deploy failed."
        MessageBox MB_OK|MB_ICONSTOP "LAMS configuration failed.  Please check your LAMS configuration and try again.$\r$\nError:$\r$\n$\r$\n$1"
        Abort "LAMS configuration failed."
    done:
FunctionEnd


Function WriteMyINI
    FileWrite $R4 "[mysqld]$\r$\n"
    FileWrite $R4 "transaction-isolation=READ-COMMITTED$\r$\n"
    Push $0
FunctionEnd

Function ImportDatabase
    SetOutPath $TEMP
    File "${DATABASE}\dump.sql"
    
    FileOpen $R0 "$INSTDIR\install_logs\installer_db.log" w
            IfErrors 0 +2
        goto error
    
    # Only do this ifmysql is set up on local host 
    #######################################################
    ${If} $MYSQL_HOST == 'localhost'
        # $9 == 0 for empty password
        StrLen $9 $MYSQL_ROOT_PASS
        StrCpy $0 '$MYSQL_DIR\bin\mysql -e "CREATE DATABASE $DB_NAME DEFAULT CHARACTER SET utf8" -u root'
        DetailPrint $0
        ${If} $9 != 0
            StrCpy $0 '$MYSQL_DIR\bin\mysql -e "CREATE DATABASE $DB_NAME DEFAULT CHARACTER SET utf8" -u root -p$MYSQL_ROOT_PASS' 
        ${EndIf}
        nsExec::ExecToStack $0
        Pop $0
        Pop $1
        FileWrite $R0 "$1$\n"
        ${If} $0 == 1
            goto error
        ${EndIf}
        
        StrCpy $0 `$MYSQL_DIR\bin\mysql -e "GRANT ALL PRIVILEGES ON *.* TO $DB_USER@localhost IDENTIFIED BY '$DB_PASS'" -u root`
        DetailPrint $0
        ${If} $9 != 0
            StrCpy $0 `$MYSQL_DIR\bin\mysql -e "GRANT ALL PRIVILEGES ON *.* TO $DB_USER@localhost IDENTIFIED BY '$DB_PASS'" -u root -p$MYSQL_ROOT_PASS`
        ${EndIf}
        nsExec::ExecToStack $0
        Pop $0
        Pop $1
        FileWrite $R0 "$1$\n"
        ${If} $0 == 1
            goto error
        ${EndIf}
        
        StrCpy $0 '$MYSQL_DIR\bin\mysql -e "REVOKE PROCESS,SUPER ON *.* from $DB_USER@localhost" -u root'
        DetailPrint $0
        ${If} $9 != 0
            StrCpy $0 '$MYSQL_DIR\bin\mysql -e "REVOKE PROCESS,SUPER ON *.* from $DB_USER@localhost" -u root -p$MYSQL_ROOT_PASS' 
        ${EndIf}
        nsExec::ExecToStack $0
        Pop $0
        Pop $1
        FileWrite $R0 "$1$\n"
        ${If} $0 == 1
            goto error
        ${EndIf}
        
        StrCpy $0 '$MYSQL_DIR\bin\mysqladmin flush-privileges -u root'
        DetailPrint $0
        ${If} $9 != 0
            StrCpy $0 '$MYSQL_DIR\bin\mysqladmin flush-privileges -u root -p$MYSQL_ROOT_PASS' 
        ${EndIf}
        nsExec::ExecToStack $0
        Pop $0
        Pop $1
        FileWrite $R0 "$1$\n"
        ${If} $0 == 1
            goto error
        ${EndIf}
        
         ${if} $RETAIN_FILES == '1'      
            #unzip repository files
            setoutpath "$INSTDIR\backup"
            strcpy $4 '$INSTDIR\zip\7za.exe x -aoa "backup.zip"'
            nsExec::ExecToStack $4
            pop $5
            pop $6
            FileWrite $R0 "$6$\n"
            ${if} $5 != 0
                Detailprint  "7za Unzip error: $\r$\n$\r$\n$6"
                MessageBox MB_OK|MB_ICONSTOP "7za Unzip error:$\r$\nError:$\r$\n$\r$\n$6"
                Abort "Lams configuration failed"
            ${endif}
             
            #replace the install dump with the retained dump    
            #MessageBox MB_OK|MB_ICONEXCLAMATION "Rebuilding datbase"   
            CopyFiles "$INSTDIR\backup\lamsDump.sql" "$TEMP\dump.sql"     
            DetailPrint "Using retained database: $INSTDIR\backup\lamsDump.sql"
            
            RMdir /r  "$INSTDIR\backup\jboss-4.0.2"
            RMdir /r  "$INSTDIR\backup\repository"
            delete  "$INSTDIR\backup\lamsDump.sql"
            
            Detailprint  "finished copying lamsdump.sql"
         ${endif}
     ${endif}
     #######################################################
       
    SetOutPath $TEMP
    # use Ant to import database
    DetailPrint '$INSTDIR\apache-ant-1.6.5\bin\ant.bat import-db'
    nsExec::ExecToStack '$INSTDIR\apache-ant-1.6.5\bin\newAnt.bat import-db'
    # MessageBox MB_OK|MB_ICONEXCLAMATION "Database has been filled"
    Pop $0 ; return code, 0=success, error=fail
    Pop $1 ; console output
    FileWrite $R0 "$1$\n"
    DetailPrint "DB import status: $0"
    DetailPrint "DB import output: $1"
    
    FileClose $R0

    goto done 
    error:
        MessageBox MB_OK|MB_ICONSTOP "Database setup failed.  Please check your MySQL configuration and try again.$\r$\nError:$\r$\n$\r$\n$1"
        Abort "Database setup failed."
    done:
    
FunctionEnd


Function WriteRegEntries
    WriteRegStr HKLM "${REG_HEAD}" "dir_jdk" $JDK_DIR
    WriteRegStr HKLM "${REG_HEAD}" "dir_mysql" "$MYSQL_DIR\"
    WriteRegStr HKLM "${REG_HEAD}" "mysql_host" "$MYSQL_HOST"
    WriteRegStr HKLM "${REG_HEAD}" "dir_inst" $INSTDIR
    WriteRegStr HKLM "${REG_HEAD}" "dir_repository" $LAMS_REPOSITORY
    WriteRegStr HKLM "${REG_HEAD}" "version" "${VERSION}"
    WriteRegStr HKLM "${REG_HEAD}" "server_version" "${SERVER_VERSION_NUMBER}"
    WriteRegStr HKLM "${REG_HEAD}" "db_name" $DB_NAME
    WriteRegStr HKLM "${REG_HEAD}" "db_user" $DB_USER
    WriteRegStr HKLM "${REG_HEAD}" "db_pass" $DB_PASS
    WriteRegStr HKLM "${REG_HEAD}" "lams_domain" $LAMS_DOMAIN
    WriteRegStr HKLM "${REG_HEAD}" "lams_port" $LAMS_PORT
    WriteRegStr HKLM "${REG_HEAD}" "lams_locale" $LAMS_LOCALE
    WriteRegStr HKLM "${REG_HEAD}" "wildfire_domain" $WILDFIRE_DOMAIN
    WriteRegStr HKLM "${REG_HEAD}" "wildfire_user" $WILDFIRE_USER
    WriteRegStr HKLM "${REG_HEAD}" "wildfire_pass" $WILDFIRE_PASS
FunctionEnd

Function OverWriteRetainedFiles
    # overwriting retain files (moved to windows/temp) to install directory files
    ${if} $RETAIN_FILES == "1"
        #MessageBox MB_OK|MB_ICONSTOP "repository files to be retained"
        
        #unzip repository files
        setoutpath "$INSTDIR\backup"
        strcpy $4 '$INSTDIR\zip\7za.exe x -aoa "backup.zip"'
        nsExec::ExecToStack $4
        #pop $0
        #pop $1
        #MessageBox MB_OK|MB_ICONSTOP "Extracting retained files: $0$\n$1"
        
        #copy repository and uploaded files to install directory
        CopyFiles "$WINTEMP\lams\backup\repository" "$INSTDIR\" 
        DetailPrint "$INSTDIR\repository"
        CopyFiles "$WINTEMP\lams\backup\jboss-4.0.2\server\default\deploy\lams.ear\lams-www.war" "$INSTDIR\jboss-4.0.2\server\default\deploy\lams.ear\"
        DetailPrint "Overwrite $INSTDIR\jboss-4.0.2\server\default\deploy\lams.ear\lams-www.war"
    ${endif}
    RMdir "$WINTEMP\lams"
FunctionEnd

Function SetupStartMenu
    CreateDirectory "$SMPROGRAMS\LAMSv2"
    CreateShortCut "$SMPROGRAMS\LAMSv2\Access LAMS.lnk" "http://$LAMS_DOMAIN:$LAMS_PORT/lams/"
    CreateShortCut "$SMPROGRAMS\LAMSv2\LAMS Community.lnk" "http://www.lamscommunity.org"
    CreateShortCut "$SMPROGRAMS\LAMSv2\Start LAMS.lnk" "$INSTDIR\lams-start.exe"
    CreateShortCut "$SMPROGRAMS\LAMSv2\Stop LAMS.lnk" "$INSTDIR\lams-stop.exe"
    CreateShortCut "$SMPROGRAMS\LAMSv2\Backup LAMS.lnk" "$INSTDIR\lams-backup.exe"
    CreateShortCut "$SMPROGRAMS\LAMSv2\Restore previous LAMS version.lnk" "$INSTDIR\lams-restore.exe"
    CreateShortCut "$SMPROGRAMS\LAMSv2\Uninstall LAMS.lnk" "$INSTDIR\lams-uninstall.exe"
FunctionEnd


# cleanup functions
Function RemoveTempFiles
    Delete "$TEMP\LocalPortScanner.class"
    Delete "$TEMP\mysql-ds.xml"
    Delete "$TEMP\server.xml"
    Delete "$TEMP\run.bat"
    Delete "$TEMP\wrapper.conf"
    Delete "$TEMP\dump.sql"
    Delete "$TEMP\build.xml"
    Delete "$TEMP\installer.properties"
    Delete "$INSTDIR\wrapper.conf"
    Delete "$TEMP\index.html"
    Delete "$TEMP\login-config.xml"
    RMDIR /r "$WINTEMP\lams"
FunctionEnd

Function .onInstFailed 
    ;remove all files from the instdir excluding the backed up files
    RMDir /r "$INSTDIR\jboss-4.0.2"
    RMDir /r "$INSTDIR\dump"
    RMDir /r "$INSTDIR\repository"
    RMDir /r "$INSTDIR\temp"
    RMDir /r "$INSTDIR\build"
    Delete "$INSTDIR\index.html"
    Delete "$INSTDIR\installer.properties"
    Delete "$INSTDIR\installer_ant.log"
    Delete "$INSTDIR\lams-start.exe"
    Delete "$INSTDIR\lams-stop.exe"
    Delete "$INSTDIR\lams-backup.exe"
    Delete "$INSTDIR\lams-restore.exe"
    Delete "$INSTDIR\lams_uninstall.exe"
    Delete "$INSTDIR\license.txt"
    Delete "$INSTDIR\license-wrapper.txt"
    Delete "$INSTDIR\readme.txt"

        strcpy $0 $MYSQL_DIR
        strcpy $1 $DB_NAME
        strcpy $2 $DB_USER
        strcpy $3 $DB_PASS
    
        StrLen $9 $3
        StrCpy $4 '$0\bin\mysql -e "DROP DATABASE $1" -u $2'
    DetailPrint $4
    ${If} $9 != 0
        StrCpy $4 '$0\bin\mysql -e "DROP DATABASE $1" -u $2 -p$3' 
    ${EndIf}
    
    ReadRegStr $MYSQL_HOST HKLM "${REG_HEAD}" "mysql_host"
    ${If} $MYSQL_HOST == 'localhost'
        nsExec::ExecToStack $4
        Pop $0
        Pop $1
        ${If} $0 == 1
            MessageBox MB_OK|MB_ICONEXCLAMATION "Couldn't remove LAMS database:$\r$\n$\r$\n$1"
            DetailPrint "Failed to remove LAMS database."
        ${EndIf}
    ${EndIf}
    
    Call RemoveTempFiles
    DeleteRegKey HKLM "${REG_HEAD}"
FunctionEnd

Function .onInstSuccess
    DetailPrint "LAMS ${VERSION} configuration successful."
    Call RemoveTempFiles
    RMDir /r "$INSTDIR\apache-ant-1.6.5"
    RMDir /r "$INSTDIR\zip"
    RMDir /r "$INSTDIR\backup\repository"
    RMDIR /r "$INSTDIR\backup\jboss-4.0.2"
    Delete "$INSTDIR\backup\lamsDump.sql"
FunctionEnd

################################################################################
# END CODE USED FOR INSTALLER                                                  #
################################################################################




################################################################################
# CODE USED FOR UNINSTALLER                                                    #
################################################################################
# Uninstaller
#
Var UNINSTALL_RETAIN
#Var UNINSTALL_DB
#Var UNINSTALL_RP
#Var UNINSTALL_CF

Function un.onInit
    ;!insertmacro MUI_LANGDLL_DISPLAY
    !insertmacro MUI_INSTALLOPTIONS_EXTRACT "uninstall.ini"
    
    # check ifLAMS is stopped
    SetOutPath $TEMP
    File "${BUILD}\LocalPortScanner.class"
    ReadRegStr $0 HKLM "${REG_HEAD}" "lams_port"
    ReadRegStr $1 HKLM "${REG_HEAD}" "dir_jdk"
    Goto checklams
    
    checklams:
        nsExec::ExecToStack "$1\bin\java LocalPortScanner $0"
        Pop $2
        ${If} $2 == 2
            MessageBox MB_YESNO|MB_ICONQUESTION "LAMS appears to be running.  Do you wish to stop LAMS?" \
                IDYES stoplams \
                IDNO quit
        ${EndIf}
        Goto continue
    stoplams:
        nsExec::ExecToStack 'sc stop LAMSv2'
        Pop $0
        Pop $1
        DetailPrint "Sent stop command to LAMS service."
        sleep 10000
        Goto checklams
        # sleep for 10s to ensure that JBoss closes properly
        
    quit:
        Delete "$TEMP\LocalPortScanner.class"
        MessageBox MB_OK|MB_ICONSTOP "Uninstall cannot continue while LAMS is running."
        Abort
    
    continue:
        Delete "$TEMP\LocalPortScanner.class"
FunctionEnd

Function un.PreUninstall
    !insertmacro MUI_HEADER_TEXT "Remove LAMS Database" "Choose whether to remove the LAMS database."
    !insertmacro MUI_INSTALLOPTIONS_DISPLAY "uninstall.ini"
FunctionEnd

Function un.PostUninstall      
    !insertmacro MUI_INSTALLOPTIONS_READ $UNINSTALL_RETAIN "uninstall.ini" "Field 1" "State"
    ReadRegStr $MYSQL_HOST HKLM "${REG_HEAD}" "mysql_host"
    ${if} $UNINSTALL_RETAIN == 1
        ${if} MYSQL_HOST != 'localhost'
            MessageBox MB_YESNO|MB_ICONQUESTION "Unable to backup LAMS. MYSQL_HOST is not set to localhost. Manual backup required. $\r$\n$\r$\nWould you like to quit the uninstaller and backup LAMS manually? ifyou choose 'No', the unistallation will proceed and lams will not be backed up." IDYES quit IDNO continue
                quit:
                    Quit
                continue:
        ${endif}
    ${endif}   
FunctionEnd


# http://nsis.sourceforge.net/StrStr
#
!define un.StrStr "!insertmacro un.StrStr"
 
!macro un.StrStr ResultVar String SubString
  Push `${String}`
  Push `${SubString}`
  Call un.StrStr
  Pop `${ResultVar}`
!macroend

Function un.StrStr
/*After this point:
  ------------------------------------------
  $R0 = SubString (input)
  $R1 = String (input)
  $R2 = SubStringLen (temp)
  $R3 = StrLen (temp)
  $R4 = StartCharPos (temp)
  $R5 = TempStr (temp)*/
 
  ;Get input from user
  Exch $R0
  Exch
  Exch $R1
  Push $R2
  Push $R3
  Push $R4
  Push $R5
 
  ;Get "String" and "SubString" length
  StrLen $R2 $R0
  StrLen $R3 $R1
  ;Start "StartCharPos" counter
  StrCpy $R4 0
 
  ;Loop until "SubString" is found or "String" reaches its end
  ${Do}
    ;Remove everything before and after the searched part ("TempStr")
    StrCpy $R5 $R1 $R2 $R4
 
    ;Compare "TempStr" with "SubString"
    ${IfThen} $R5 == $R0 ${|} ${ExitDo} ${|}
    ;ifnot "SubString", this could be "String"'s end
    ${IfThen} $R4 >= $R3 ${|} ${ExitDo} ${|}
    ;ifnot, continue the loop
    IntOp $R4 $R4 + 1
  ${Loop}
 
/*After this point:
  ------------------------------------------
  $R0 = ResultVar (output)*/
 
  ;Remove part before "SubString" on "String" (ifthere has one)
  StrCpy $R0 $R1 `` $R4
 
  ;Return output to user
  Pop $R5
  Pop $R4
  Pop $R3
  Pop $R2
  Pop $R1
  Exch $R0
FunctionEnd


Section "Uninstall"

    strcpy $WINTEMP "C:\WINDOWS\Temp"
    RMDir /r "$WINTEMP\lams\backup"
    CreateDirectory "$WINTEMP\lams\backup"
       
    #strcpy $RETAIN_DIR "$INSTDIR\backup_$TIMESTAMP"
    strcpy $RETAIN_DIR "$INSTDIR\backup"
    CreateDirectory $RETAIN_DIR

    ReadRegStr $MYSQL_HOST HKLM "${REG_HEAD}" "mysql_host"
    ;Now copy files that are to be retained to the temp folder
    ${If} $UNINSTALL_RETAIN == 1
        #MessageBox MB_OK|MB_ICONEXCLAMATION "retaining repository"
        ; KEEP repository and uploaded files
        ; Copy repository and jboss-4.0.2\server\default\deploy\lams.ear\lams-www.war to backup
        ReadRegStr $6 HKLM "${REG_HEAD}" "dir_repository"
       
        CreateDirectory "$RETAIN_DIR\repository"
        CreateDirectory "$RETAIN_DIR\jboss-4.0.2\server\default\deploy\lams.ear\lams-www.war\"
        
        #MessageBox MB_OK|MB_ICONEXCLAMATION "Copying files to $RETAIN_DIR\jboss-4.0.2\server\default\deploy\lams.ear\lams-www.war\"
        copyfiles /silent $6 "$RETAIN_DIR"
        copyfiles /silent "$INSTDIR\jboss-4.0.2\server\default\deploy\lams.ear\lams-www.war\*" "$RETAIN_DIR\jboss-4.0.2\server\default\deploy\lams.ear\lams-www.war\"
        
        DetailPrint 'Saving repository and uploaded files to: $RETAIN_DIR'
        #MessageBox MB_OK|MB_ICONEXCLAMATION "Copying files from instdir to temp"
        copyfiles /silent "$RETAIN_DIR\*" "$WINTEMP\lams\backup"
    ${EndIf}
    
    setoutpath $temp
    RMdir /r "$INSTDIR\jboss-4.0.2\"
    RMdir /r "$INSTDIR\"
    #MessageBox MB_OK|MB_ICONEXCLAMATION "INSTDIR DELETED FFS!"
    
    ; NOT SURE ifTHIS SECTION OF CODE IS NECCESSARY
    ReadRegStr $0 HKLM "${REG_HEAD}" "dir_conf"
    RMDir /r $0
    
    ; RESTORE Retained folders to their original localtion then delete temp files
    ; DUMP database into backup folder
    ReadRegStr $0 HKLM "${REG_HEAD}" "dir_mysql"
    ReadRegStr $1 HKLM "${REG_HEAD}" "db_name"
    ReadRegStr $2 HKLM "${REG_HEAD}" "db_user"
    ReadRegStr $3 HKLM "${REG_HEAD}" "db_pass"
    ${If} $UNINSTALL_RETAIN == 1
        #Messagebox MB_OK|MB_ICONEXCLAMATION "retaining db"
        ; DUMP the database file into the retained install directory 
           
        CreateDirectory "$RETAIN_DIR" 
        Strcpy $4 "$0\bin\mysqldump -r $WINTEMP\lams\backup\lamsDump.sql $1 -u $2 -p$3"
        nsExec::ExecToStack $4
        Pop $8
        Pop $9
        DetailPrint 'Dumping database to: $RETAIN_DIR'
        
        Setoutpath $INSTDIR
        File /r "${BASE_DEV_DIR}\zip"
        
        #ZIP UP ALL RETAINED FILES 
        IfFileExists "$WINTEMP\lams\backup\backup.zip" removeZip leaveFolder
        removeZip:
            delete "$WINTEMP\lams\backup\backup.zip"
        leaveFolder:
        
        SetOutPath "$WINTEMP\lams\backup"
        Strcpy $4 '$INSTDIR\zip\7za.exe a -r -tzip "$RETAIN_DIR\backup.zip" "*"'
        nsExec::ExecToStack $4 
        rmdir /r "$INSTDIR\zip"
        #pop $5
        #pop $6
        #MessageBox MB_OK|MB_ICONEXCLAMATION "ZIP RESULT: $5$\n$6$\n"
        rmdir $RETAIN_DIR
    ${EndIf}
    RMDir /r "$WINTEMP\lams"
    
    StrLen $9 $3
    ${if} $MYSQL_HOST == 'localhost'
        StrCpy $4 '$0\bin\mysql -e "DROP DATABASE $1" -u $2'
        DetailPrint $4
        ${If} $9 != 0
            StrCpy $4 '$0\bin\mysql -e "DROP DATABASE $1" -u $2 -p$3' 
        ${EndIf}
        nsExec::ExecToStack $4
        Pop $0
        Pop $1
        ${If} $0 == 1
            MessageBox MB_OK|MB_ICONEXCLAMATION "Couldn't remove LAMS database:$\r$\n$\r$\n$1"
            DetailPrint "Failed to remove LAMS database."
        ${EndIf}        
    ${endif}
    
    ; batch file doesn't want to work when called with ExecToStack
    ; nsExec::ExecToStack '$INSTDIR\jboss-4.0.2\bin\UninstallLAMS-NT.bat'
    nsExec::ExecToStack 'sc delete LAMSv2'
    Pop $0
    Pop $1
    ; can't call StrStr from within uninstaller unless it's a un. function
    ${un.StrStr} $2 $1 "SUCCESS"
    ${If} $2 == ""
        MessageBox MB_OK|MB_ICONEXCLAMATION "Couldn't remove LAMSv2 service.$\r$\n$\r$\n$1"
        DetailPrint "Failed to remove LAMSv2 service."
    ${Else}
        DetailPrint "Removed LAMSv2 service."
    ${EndIf}
    /*StrCmp $1 "[SC] Delete Service SUCCESS$\r$\n" 0 +3
    DetailPrint "Removed LAMSv2 service."
    Goto +3
    MessageBox MB_OK|MB_ICONSTOP "Couldn't remove LAMSv2 service.$\r$\n$\r$\n$1"
    DetailPrint "Failed to remove LAMSv2 service."*/
    
    DeleteRegKey HKLM "${REG_HEAD}"
    DetailPrint "Removed registry entries."
    RMDir /r "$SMPROGRAMS\LAMSv2"
    DetailPrint "Removed start menu entries."
    DetailPrint "Uninstall complete."
SectionEnd

################################################################################
# END CODE USED FOR UNINSTALLER                                                #
################################################################################