# set-executionpolicy unrestricted

# Check if running as administrator
if (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
    Write-Host "This script requires administrator privileges. Attempting to restart as administrator..." -ForegroundColor Yellow
    
    # Get the current script path
    $scriptPath = $MyInvocation.MyCommand.Path
    
    # Restart the script with administrator privileges
    try {
        Start-Process PowerShell -Verb RunAs -ArgumentList "-ExecutionPolicy Bypass -File `"$scriptPath`""
        exit
    }
    catch {
        Write-Error "Failed to restart as administrator. Please run this script as administrator manually."
        Write-Host "Right-click on PowerShell and select 'Run as administrator', then run this script again." -ForegroundColor Red
        pause
        exit 1
    }
}

Write-Host "Running with administrator privileges." -ForegroundColor Green

# Check for updates from Gitea repository
Write-Host "Checking for updates..." -ForegroundColor Cyan
$baseUrl = "https://gitea.andrewspolytechnic.com"
$repoPath = "sandrews/windows-install"
$updateScriptDir = $PSScriptRoot
$lastUpdateCheck = $null
$updateCheckFile = Join-Path -Path $updateScriptDir -ChildPath "last_update_check.txt"

try {
    # Check if we've checked for updates in the last 24 hours
    if (Test-Path $updateCheckFile) {
        $lastUpdateCheck = Get-Content $updateCheckFile | Get-Date
        $timeSinceLastCheck = (Get-Date) - $lastUpdateCheck
        if ($timeSinceLastCheck.TotalHours -lt 24) {
            Write-Host "Last update check was less than 24 hours ago. Skipping update check." -ForegroundColor DarkGray
            # Continue with the script
        } else {
            # Time to check for updates again
            $checkForUpdates = $true
        }
    } else {
        # First time running update check
        $checkForUpdates = $true
    }

    if ($checkForUpdates) {
        # Create a temporary directory to download files
        $tempDir = Join-Path -Path $env:TEMP -ChildPath "windows-install-update"
        if (Test-Path $tempDir) { Remove-Item $tempDir -Recurse -Force }
        New-Item -ItemType Directory -Path $tempDir -Force | Out-Null

        # Try different URL patterns for Gitea zip download
        $possibleUrls = @(
            "$baseUrl/$repoPath/archive/master.zip",
            "$baseUrl/$repoPath/archive/refs/heads/master.zip",
            "$baseUrl/api/v1/repos/$repoPath/archive/master.zip"
        )

        $downloadSuccess = $false
        $zipPath = Join-Path -Path $tempDir -ChildPath "update.zip"
        $ProgressPreference = 'SilentlyContinue'  # Hide progress bar to speed up download
        
        foreach ($zipUrl in $possibleUrls) {
            Write-Host "Trying to download updates from $zipUrl..." -ForegroundColor Cyan
            try {
                Invoke-WebRequest -Uri $zipUrl -OutFile $zipPath -UseBasicParsing -TimeoutSec 10
                
                # Check if the download was successful (file exists and is not empty)
                if (Test-Path $zipPath -and (Get-Item $zipPath).Length -gt 0) {
                    $downloadSuccess = $true
                    Write-Host "Download successful!" -ForegroundColor Green
                    break  # Exit the loop if download was successful
                }
            } catch {
                Write-Host "Failed with this URL: $_" -ForegroundColor DarkGray
                # Continue to the next URL
            }
        }
            
        if ($downloadSuccess) {
            try {
                # Extract the zip file
                Write-Host "Extracting update package..." -ForegroundColor Cyan
                Expand-Archive -Path $zipPath -DestinationPath $tempDir -Force
                
                # Find the extracted directory
                $extractedDir = Get-ChildItem -Path $tempDir -Directory | Select-Object -First 1
                
                if ($extractedDir -and (Test-Path $extractedDir.FullName)) {
                    # Copy all files except .git directory to current location
                    Write-Host "Installing updates..." -ForegroundColor Cyan
                    Get-ChildItem -Path $extractedDir.FullName | Where-Object { $_.Name -ne ".git" } | ForEach-Object {
                        $destPath = Join-Path -Path $updateScriptDir -ChildPath $_.Name
                        Copy-Item -Path $_.FullName -Destination $destPath -Recurse -Force
                    }
                    
                    # Record the update time
                    Get-Date -Format "yyyy-MM-dd HH:mm:ss" | Out-File -FilePath $updateCheckFile -Force
                    
                    Write-Host "Update completed successfully!" -ForegroundColor Green
                    
                    # Suggest restarting the script with the updated version
                    $restartChoice = Read-Host "The script has been updated. Would you like to restart the script to use the updated version? (Y/N)"
                    if ($restartChoice -eq "Y" -or $restartChoice -eq "y") {
                        Write-Host "Restarting script..." -ForegroundColor Cyan
                        Start-Process PowerShell -Verb RunAs -ArgumentList "-ExecutionPolicy Bypass -File `"$PSCommandPath`""
                        exit
                    }
                } else {
                    Write-Host "Could not find extracted update directory." -ForegroundColor Yellow
                }
            } catch {
                Write-Host "Error extracting or installing updates: $_" -ForegroundColor Yellow
            }
        } else {
            Write-Host "Could not download updates from any of the tried URLs." -ForegroundColor Yellow
        }
        
        # Clean up
        if (Test-Path $tempDir) { 
            try {
                Remove-Item $tempDir -Recurse -Force -ErrorAction SilentlyContinue
            } catch {
                Write-Host "Could not clean up temp directory: $_" -ForegroundColor DarkGray
            }
        }
    }
} catch {
    Write-Host "Error checking for updates: $_" -ForegroundColor Yellow
    Write-Host "Continuing with current version..." -ForegroundColor Yellow
}

$uid = $Env:UserName
# Get the directory where this script is located
$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path

# Copy SSH directory from Nextcloud synchronized location if it exists
$sshSourceDir = "C:\Users\$uid\Nextcloud\Documents\Important_Docs\.ssh"
$sshDestDir = "C:\Users\$uid\.ssh"
if (Test-Path -Path $sshSourceDir) {
    Copy-Item -Path $sshSourceDir -Destination $sshDestDir -Recurse -Force
    Write-Host "Copied SSH directory from Nextcloud to: $sshDestDir"
} else {
    Write-Host "Important_Docs/.ssh directory not found at: $sshSourceDir. Skipping SSH key copy." -ForegroundColor Yellow
}

python "$scriptDir\Python\NextcloudClientFix.py"

# Nextcloud - Copy sync-exclude.lst to AppData
Write-Host "Configuring Nextcloud sync exclusions..."

# Define the source and destination paths for sync-exclude.lst
$syncExcludeSource = "$scriptDir\sync-exclude.lst"
$nextcloudAppDataDir = "$env:APPDATA\Nextcloud"
$syncExcludeDestination = Join-Path -Path $nextcloudAppDataDir -ChildPath "sync-exclude.lst"

# Check if the source file exists
if (Test-Path -Path $syncExcludeSource) {
    # Ensure the Nextcloud AppData directory exists
    if (-not (Test-Path -Path $nextcloudAppDataDir)) {
        try {
            New-Item -Path $nextcloudAppDataDir -ItemType Directory -Force | Out-Null
            Write-Host "Created Nextcloud directory at: $nextcloudAppDataDir"
        } catch {
            Write-Warning "Failed to create Nextcloud directory: $_"
        }
    }

    # Copy the sync-exclude.lst file
    try {
        Copy-Item -Path $syncExcludeSource -Destination $syncExcludeDestination -Force
        Write-Host "Copied sync-exclude.lst to $syncExcludeDestination"
    } catch {
        Write-Warning "Failed to copy sync-exclude.lst: $_"
    }
} else {
    Write-Warning "sync-exclude.lst not found at: $syncExcludeSource"
}