# gitea.RdzeN.net
#
# Example Powershell Profile.
#
# 1. Check if GITEA folder exists. 
$path_gitea = "$($env:USERPROFILE)\GITEA"
$path_gitea_powershell_profile = "$path_gitea\PowerShell-Profile"
$path_gitea_powershell_profile_functions = "$path_gitea_powershell_profile\functions"

if (-not (Test-Path $path_gitea)) {
    New-Item -ItemType Directory -Path $path_gitea | Out-Null
}
if (-not (Test-Path $path_gitea_powershell_profile)) {
    New-Item -ItemType Directory -Path $path_gitea_powershell_profile | Out-Null
}
if (-not (Test-Path $path_gitea_powershell_profile_functions)) {
    New-Item -ItemType Directory -Path $path_gitea_powershell_profile_functions | Out-Null
}

# 2. Download / pull GIT REPO
$RepositoryURL = "https://gitea.rdzen.net/najlepszytomasz/PowerShell-Profile.git"

# Define paths
$path_gitea = "$($env:USERPROFILE)\GITEA"
$path_gitea_powershell_profile = "$path_gitea\PowerShell-Profile"
$path_gitea_powershell_profile_functions = "$path_gitea_powershell_profile\functions"
$path_profile_file = "$path_gitea_powershell_profile\RdzeN-Profile.ps1"

# Function to pull repository
function Pull-Repository {
    Set-Location $path_gitea_powershell_profile
    try {
        git pull -q
        Write-Host "Success GIT pull for: $RepositoryURL" -ForegroundColor Green
    } catch {
        Write-Host "Error occurred while GIT pull for: $RepositoryURL" -ForegroundColor Red
    }
}

# Check if the profile file exists locally
if (-not (Test-Path $path_profile_file)) {
    Write-Host "Profile file not found locally. Pulling from repository..." -ForegroundColor Yellow
    Pull-Repository
    Get-ChildItem $path_gitea_powershell_profile_functions | ForEach-Object {
        . $_.FullName
    }
    # 97. Override profile
    Override-Profile
    # 98. Override profile
    #Reload-Profile
} else {
    # Check if the profile file has been modified
    $local_profile_hash = Get-FileHash -Path $path_profile_file -Algorithm SHA1

    # Dodaj nagłówek do lokalnego hasha
    $local_profile_hash_with_header = "blob $($local_profile_hash.Length)`0" + (Get-Content $path_profile_file -Raw)
    $local_profile_hash_with_header = Get-FileHash -Algorithm SHA1 -InputStream ([System.IO.MemoryStream]::new([System.Text.Encoding]::UTF8.GetBytes($local_profile_hash_with_header)))
    
    $remote_profile_hash = & git hash-object $path_profile_file

    if ($local_profile_hash_with_header.Hash.ToLower() -ne $remote_profile_hash.Trim()) {
        Write-Host "Local profile file has been modified. Pulling from repository..." -ForegroundColor Yellow
        Pull-Repository
        Get-ChildItem $path_gitea_powershell_profile_functions | ForEach-Object {
            . $_.FullName
        }
        # 97. Override profile
        Override-Profile
        # 98. Override profile
        #Reload-Profile
    } else {
        Write-Host "Local profile file is up to date." -ForegroundColor Green
    }
}

# Check if functions have been modified
$local_functions_hashes = @{}
$remote_functions_hashes = @{}

# Iterate through local functions
Get-ChildItem $path_gitea_powershell_profile_functions | ForEach-Object {
    $local_functions_hashes[$_.Name] = (Get-FileHash -Path $_.FullName -Algorithm SHA1).Hash
}

# Get remote functions hashes
Set-Location $path_gitea_powershell_profile_functions
git pull -q
Get-ChildItem | ForEach-Object {
    $remote_functions_hashes[$_.Name] = (git hash-object $_.Name).Trim()
}

# Compare local and remote function hashes
$functions_to_pull = @()
foreach ($function_name in $local_functions_hashes.Keys) {
    if ($local_functions_hashes[$function_name] -ne $remote_functions_hashes[$function_name]) {
        $functions_to_pull += $function_name
    }
}

if ($functions_to_pull.Count -gt 0) {
    Write-Host "Functions have been modified. Pulling from repository..." -ForegroundColor Yellow
    Pull-Repository
    Get-ChildItem $path_gitea_powershell_profile_functions | ForEach-Object {
        . $_.FullName
    }
} else {
    Write-Host "Functions are up to date." -ForegroundColor Green
}

# 4. List functions
# Lokalizacja plików
$path_to_search = "$path_gitea_powershell_profile_functions\*"

# Zmienna do przechowywania wyników
$found_functions = @()

# Szukanie funkcji w plikach
Get-ChildItem $path_to_search | ForEach-Object {
    $file_content = Get-Content $_.FullName -Raw
    $matches = [Regex]::Matches($file_content, '(?<=function\s).*?(?={)')
    foreach ($match in $matches) {
        $found_functions += $match.Value.Trim()
    }
}

$found_functions = $found_functions | Sort-Object

for ($i = 0; $i -lt $found_functions.Count; $i++) {
    Write-Host "$($i+1)" -NoNewline -ForegroundColor Cyan
    Write-Host ")`t" -NoNewline -ForegroundColor Blue
    Write-Host "$($found_functions[$i])" -ForegroundColor Cyan
}

# 99. Prompt profile loaded
New-SimulateTyping "PowerShell User Profile is loaded"
#