[CmdletBinding(DefaultParameterSetName = "Patch")]
param(
    [Parameter(Mandatory = $true, ParameterSetName = "Major")]
    [switch]$Major,

    [Parameter(Mandatory = $true, ParameterSetName = "Minor")]
    [switch]$Minor,

    [Parameter(Mandatory = $true, ParameterSetName = "Patch")]
    [switch]$Patch,

    [string]$Project = "src/RgbLedStripController/RgbLedStripController.csproj"
)

$ErrorActionPreference = "Stop"
Set-StrictMode -Version Latest

$repoRoot = [System.IO.Path]::GetFullPath((Join-Path $PSScriptRoot "..\.."))
$projectPath = if ([System.IO.Path]::IsPathRooted($Project)) {
    $Project
} else {
    Join-Path $repoRoot $Project
}

$projectPath = [System.IO.Path]::GetFullPath($projectPath)
if (-not (Test-Path -LiteralPath $projectPath)) {
    throw "Project file not found: $projectPath"
}

$content = Get-Content -Raw -LiteralPath $projectPath
$versionMatch = [System.Text.RegularExpressions.Regex]::Match($content, "<Version>(?<value>\d+\.\d+\.\d+)</Version>")
if (-not $versionMatch.Success) {
    throw "No semantic <Version> value found in project file: $projectPath"
}

$currentVersion = $versionMatch.Groups["value"].Value
$parts = $currentVersion.Split(".") | ForEach-Object { [int]$_ }

$newVersion = switch ($PSCmdlet.ParameterSetName) {
    "Major" { "{0}.0.0" -f ($parts[0] + 1) }
    "Minor" { "{0}.{1}.0" -f $parts[0], ($parts[1] + 1) }
    default { "{0}.{1}.{2}" -f $parts[0], $parts[1], ($parts[2] + 1) }
}

$newAssemblyVersion = "$newVersion.0"

function Replace-FirstMatch {
    param(
        [string]$Text,
        [string]$Pattern,
        [string]$Replacement
    )

    $regex = [System.Text.RegularExpressions.Regex]::new($Pattern)
    return $regex.Replace($Text, $Replacement, 1)
}

$content = Replace-FirstMatch $content "<Version>[^<]+</Version>" "<Version>$newVersion</Version>"
$content = Replace-FirstMatch $content "<AssemblyVersion>[^<]+</AssemblyVersion>" "<AssemblyVersion>$newAssemblyVersion</AssemblyVersion>"
$content = Replace-FirstMatch $content "<FileVersion>[^<]+</FileVersion>" "<FileVersion>$newAssemblyVersion</FileVersion>"
$content = Replace-FirstMatch $content "<InformationalVersion>[^<]+</InformationalVersion>" "<InformationalVersion>$newVersion</InformationalVersion>"

$utf8NoBom = [System.Text.UTF8Encoding]::new($false)
[System.IO.File]::WriteAllText($projectPath, $content, $utf8NoBom)

Write-Host ("Version updated: {0} -> {1}" -f $currentVersion, $newVersion) -ForegroundColor Green
Write-Host ("Project file:     {0}" -f $projectPath)