Install-CHIRP.ps1

<#
.SYNOPSIS
    Install CHIRP Next for radio programming
    
.DESCRIPTION
    Downloads and installs latest CHIRP Next from trac.chirp.danplanet.com.
    CHIRP is updated frequently, so this script always fetches the latest version.
    
.PARAMETER ConfigFile
    Optional JSON configuration file for driver preferences
    
.EXAMPLE
    .\Install-CHIRP.ps1
    Install latest CHIRP Next
    
.EXAMPLE
    .\Install-CHIRP.ps1 -ConfigFile "EmComm-Config.json"
    Install with pre-configured driver preferences
    
.NOTES
    Requires Administrator privileges
    Logs to C:\Logs\CHIRP_Install_YYYYMMDD_HHMMSS.log
    CHIRP Next is the current/modern version

.INTUNE WIN32 APP DEPLOYMENT
    Install command: powershell.exe -ExecutionPolicy Bypass -NoProfile -File "Install-CHIRP.ps1"
    Install behavior: System context
    Detection: File exists %ProgramFiles%\CHIRP\chirp.exe OR %LOCALAPPDATA%\Programs\CHIRP\chirp.exe
    Return codes: 0=success, 1=failure
#>

# Requires -RunAsAdministrator

param(
    [string]$ConfigFile
)

# Logging setup
$LogDir = "C:\Logs"
if (-not (Test-Path $LogDir)) {
    New-Item -Path $LogDir -ItemType Directory -Force | Out-Null
}
$Timestamp = Get-Date -Format "yyyyMMdd_HHmmss"
$LogFile = "$LogDir\CHIRP_Install_$Timestamp.log"

function Write-Log {
    param(
        [string]$Message,
        [ValidateSet('INFO','WARNING','ERROR')]
        [string]$Level = 'INFO'
    )
    $LogMessage = "{0} [{1}] {2}" -f (Get-Date -Format "yyyy-MM-dd HH:mm:ss"), $Level, $Message
    Add-Content -Path $LogFile -Value $LogMessage
    
    switch ($Level) {
        'ERROR'   { Write-Host $Message -ForegroundColor Red }
        'WARNING' { Write-Host $Message -ForegroundColor Yellow }
        default   { Write-Host $Message }
    }
}

Write-Log "Starting CHIRP installation"

# Check if already installed (CHIRP can be in multiple locations)
$CHIRPPaths = @(
    "$env:LOCALAPPDATA\Programs\CHIRP\chirp.exe",
    "$env:ProgramFiles\CHIRP\chirp.exe",
    "${env:ProgramFiles(x86)}\CHIRP\chirp.exe"
)
foreach ($path in $CHIRPPaths) {
    if (Test-Path $path) {
        $version = (Get-Item $path).VersionInfo.FileVersion
        Write-Log "CHIRP already installed at: $path (version: $version)" -Level WARNING
        Write-Log "To reinstall, uninstall first via Windows Settings"
        exit 0
    }
}

# CHIRP download page - always fetch latest
$DownloadPage = "https://trac.chirp.danplanet.com/chirp_next/next-win64"

$TempDir = "$env:TEMP\CHIRP"
if (-not (Test-Path $TempDir)) {
    New-Item -Path $TempDir -ItemType Directory -Force | Out-Null
}

# Load configuration if provided
$Config = $null
if ($ConfigFile -and (Test-Path $ConfigFile)) {
    Write-Log "Loading configuration from $ConfigFile"
    try {
        $Config = Get-Content $ConfigFile -Raw | ConvertFrom-Json
        Write-Log "Configuration loaded successfully"
    }
    catch {
        Write-Log "Failed to load configuration: $_" -Level WARNING
    }
}

try {
    Write-Log "Fetching latest CHIRP Next installer"
    $html = Invoke-WebRequest -Uri $DownloadPage -UseBasicParsing -ErrorAction Stop
    
    # Find latest installer link (usually chirp-next-YYYYMMDD-installer.exe)
    $link = ($html.Links | Where-Object { 
        $_.href -match "chirp.*-installer\.exe$" 
    } | Sort-Object href -Descending | Select-Object -First 1).href
    
    if (-not $link) {
        Write-Log "No CHIRP installer found on download page" -Level ERROR
        exit 1
    }
    
    if ($link -notmatch "^https?://") {
        $BaseUrl = "https://trac.chirp.danplanet.com"
        $link = "$BaseUrl$link"
    }

    # Extract version from filename for logging
    if ($link -match "chirp.*-(\d{8})-installer\.exe") {
        $Version = $Matches[1]
        Write-Log "Latest CHIRP version: $Version"
    }

    Write-Log "Downloading CHIRP from $link"
    $InstallerPath = "$TempDir\CHIRP-installer.exe"
    Invoke-WebRequest -Uri $link -OutFile $InstallerPath -ErrorAction Stop
    Write-Log "Download completed: $InstallerPath"

    Write-Log "Installing CHIRP"
    $Process = Start-Process -FilePath $InstallerPath -ArgumentList "/S" -Wait -PassThru -ErrorAction Stop
    
    if ($Process.ExitCode -eq 0) {
        Write-Log "CHIRP installed successfully"
    } else {
        Write-Log "CHIRP installation returned exit code: $($Process.ExitCode)" -Level WARNING
    }
}
catch {
    Write-Log "Failed to install CHIRP: $_" -Level ERROR
    exit 1
}

# Pre-configure driver preferences if config provided
if ($Config) {
    Write-Log "Configuring CHIRP settings"
    
    # CHIRP stores config in %APPDATA%\CHIRP
    $ChirpConfigDir = "$env:APPDATA\CHIRP"
    if (-not (Test-Path $ChirpConfigDir)) {
        New-Item -Path $ChirpConfigDir -ItemType Directory -Force | Out-Null
    }
    
    # Create prefs.conf with driver settings
    $PrefsContent = @"
# CHIRP configuration generated by Install-CHIRP.ps1
# $(Get-Date -Format "yyyy-MM-dd HH:mm:ss")

[chirp]
developer=false
auto_edits=true
clone_prompt=false

[drivers]
# Windows driver preferences
use_zadig_driver=true
"@

    $PrefsPath = "$ChirpConfigDir\prefs.conf"
    Set-Content -Path $PrefsPath -Value $PrefsContent -Force
    Write-Log "Configuration created at $PrefsPath"
}

# Create desktop shortcut
try {
    $ChirpExe = Get-ChildItem -Path "$env:ProgramFiles\CHIRP" -Filter "chirp.exe" -Recurse -ErrorAction SilentlyContinue | Select-Object -First 1
    if (-not $ChirpExe) {
        $ChirpExe = Get-ChildItem -Path "$env:LOCALAPPDATA\Programs\CHIRP" -Filter "chirp.exe" -Recurse -ErrorAction SilentlyContinue | Select-Object -First 1
    }
    
    if ($ChirpExe) {
        $WshShell = New-Object -ComObject WScript.Shell
        $Shortcut = $WshShell.CreateShortcut("$env:Public\Desktop\CHIRP.lnk")
        $Shortcut.TargetPath = $ChirpExe.FullName
        $Shortcut.WorkingDirectory = $ChirpExe.DirectoryName
        $Shortcut.Save()
        Write-Log "Desktop shortcut created"
    }
}
catch {
    Write-Log "Failed to create desktop shortcut: $_" -Level WARNING
}

# Cleanup
Write-Log "Cleaning up temporary files"
Remove-Item -Path $TempDir -Recurse -Force -ErrorAction SilentlyContinue

Write-Log "CHIRP installation completed successfully"
Write-Log "CHIRP updates frequently - rerun this script to get latest version" -Level INFO
exit 0