param([string]$appconf="", [string]$hotliners="")
#PS build script for PersonnalHelpDesk
#
#Version 0.1

$VERSION = "0.1"
$WORKING_DIR = Split-Path -path $($MyInvocation.MyCommand.Definition)
$BUILD_DIR = $WORKING_DIR + "\build"
$UTILS_DIR = $WORKING_DIR + "\utils"
$TMP_DIR = $WORKING_DIR + "\tmp"
$SRC_DIR = $WORKING_DIR + "\src"
$PS_EXEC_NAME = "launcher.exe" 
$FINAL_EXEC_NAME = "helpdesk.exe"

$VNC_URL = "http://www.uvnc.com/component/jdownloads/finish/5-bins/295-ultravnc-1210-all-bin-zip/0.html"
$PS2EXE_URL = "https://gallery.technet.microsoft.com/PS2EXE-Convert-PowerShell-9e4e07f1/file/134627/1/"
$7Z_URL = "http://www.7-zip.org/a/7za920.zip"
$7ZSFX_URL = "http://7zsfx.info/files/7zsd_160_2712.7z"

function create_dir {
    param([string]$dir)
    if (Test-Path $dir){
       return $false 
    }
    New-Item $dir -type directory | Out-Null
    return $true
    
}

function extract{
    param(
        [string]$dest_path,
        [string]$zip_path
    )
    $shell = new-object -com Shell.Application
    Try {
        $shell.NameSpace($dest_path).CopyHere($zip_path) | Out-Null
        Write-Host -ForegroundColor Green "done"
    }
    Catch {
        Write-Host -ForegroundColor Red " Error "
    }
}

function download_util{
    param(
        [string]$util,
        [string]$source,
        [string]$file_to_extract
    )
    create_dir "$UTILS_DIR\$VERSION\$util"
    Write-Host -ForegroundColor white -NoNewline "Downloading $util please wait ... "
    Try {
        (New-Object System.Net.WebClient).DownloadFile($source,"$TMP_DIR\$util.zip")
        }
    Catch {
         Write-Host -ForegroundColor Red " Error bad URL? "
         return
     }
    Write-Host -ForegroundColor Green -NoNewline "done"
    if ($file_to_extract -ne "false"){
        Write-Host -ForegroundColor white -NoNewLine " ... extracting : "
        extract "$UTILS_DIR\$VERSION\$util\" "$TMP_DIR\$util.zip\$file_to_extract"
    }
}

if ( -Not $appconf -Or -Not (Test-Path $appconf) ){
    Write-Host -ForegroundColor White "Application configuration file $appconf not found, using default"
    $appconf = "$SRC_DIR\res\conf\app.conf.ps1"
}

if ( -Not $hotliners -Or -Not (Test-Path $hotliners) ){
    Write-Host -ForegroundColor White "Application configuration file $hotliners not found, using default"
    $hotliners = "$SRC_DIR\res\conf\hotliners.conf.ps1"
}


if (-not (create_dir $BUILD_DIR)){
    Remove-Item $BUILD_DIR\* -recurse
}
create_dir $UTILS_DIR | Out-Null
create_dir $TMP_DIR | Out-Null
if ( create_dir $UTILS_DIR\$VERSION ) {
    #then download VNC + PS2EXE
    download_util "vnc" $VNC_URL "win7\winvnc.exe"
    download_util "ps2exe" $PS2EXE_URL "*"
    download_util "7z" $7Z_URL "7za.exe"
    (New-Object System.Net.WebClient).DownloadFile($7ZSFX_URL,"$TMP_DIR\7zsd.7z")
    cmd -ArgumentList @("/c", "$UTILS_DIR/$VERSION/7z/7za.exe", "e", "$TMP_DIR\7zsd.7z", "7zsd.sfx","-o$UTILS_DIR/$VERSION/", "-y")
}

#applying personnal parameters
$patched_source = @()
Get-Content $SRC_DIR\helpdesk.ps1 | ForEach-Object {
    switch ($_) {
        {$_ -match "app.conf.ps1"} {
            ForEach ($line in Get-Content $appconf) {
                $patched_source += $line
            }
            break
        }
        {$_ -match "hotliners.conf.ps1"} {
            ForEach ($line in Get-Content $hotliners){
                $patched_source += $line
            }
            break
        }
        default{$patched_source += $_}
    }
}
$patched_source | Set-Content $BUILD_DIR\helpdesk.ps1 -Encoding "UTF8"
# Build executable from our PS script
Invoke-Expression "$UTILS_DIR\$VERSION\ps2exe\ps2exe.ps1 $BUILD_DIR\helpdesk.ps1 $BUILD_DIR\$PS_EXEC_NAME -noconsole -nested"
Remove-Item $BUILD_DIR\$PS_EXEC_NAME.config
Set-Location $WORKING_DIR

# Copy all file to build Dir
create_dir $BUILD_DIR\res\ | Out-Null
Copy-Item $SRC_DIR\UltraVNC.ini $BUILD_DIR\res\
Copy-Item $SRC_DIR\res\* $BUILD_DIR\res\
Copy-Item $UTILS_DIR\$VERSION\vnc\winvnc.exe $BUILD_DIR\res\

create_dir $BUILD_DIR\res\conf\ | Out-Null
if ($appconf -ne "") {
    $txtfile = Get-Content $appconf 
}
else {
    $txtfile = Get-Content $BUILD_DIR\res\conf\app.conf.ps1
}

if ($hotliners -ne "") {
    Copy-Item $hotliners $BUILD_DIR\res\conf\hotliners.conf.ps1
}
else {
    Copy-Item $SRC_DIR\res\conf\hotliners.conf.ps1 $BUILD_DIR\res\conf\hotliners.conf.ps1
}

#Zip all elements
Set-Location $BUILD_DIR
cmd -ArgumentList @("/c", "$UTILS_DIR/$VERSION/7z/7za.exe", "a", "installer.7z", "*")

#copy file for autoSFX archive.
Copy-Item $WORKING_DIR\src\config.txt $BUILD_DIR\
Copy-Item $UTILS_DIR\$VERSION\7zsd.sfx $BUILD_DIR\

#concatenate binary files for creating ou auto-SFX file
cmd -ArgumentList @("/c", "copy", "/b","7zsd.sfx", "+", "config.txt", "+", "installer.7z", $FINAL_EXEC_NAME)
#Remove-Item $BUILD_DIR -recurse