# Starts the whole app: game server, Vite client and the Aspire dashboard.
# Skips MSBuild when AppHost and Server dlls are newer than C# / csproj / props.
#   .\run-aspire.ps1
#   .\run-aspire.ps1 --launch-profile http
#   .\run-aspire.ps1 --rebuild
#   .\run-aspire.ps1 --no-tailscale

Set-StrictMode -Version Latest
$ErrorActionPreference = 'Stop'
$PSNativeCommandUseErrorActionPreference = $false

Set-Location -LiteralPath $PSScriptRoot

function Write-Log([string] $Message) {
    Write-Host "[run-aspire] $Message"
}

function Write-TailscaleSkipped([string] $Why) {
    Write-Log "WARNING: $Why"
    Write-Host '             Friends cannot reach the client over the tailnet.'
    Write-Host '             Continuing with local access only (http://localhost:5173).'
}

$configuration = 'Debug'
$rebuild = $false
$tailscaleServe = $true
$dotnetArgs = @()
$expectConfiguration = $false

foreach ($arg in $args) {
    if ($expectConfiguration) {
        $configuration = $arg
        $expectConfiguration = $false
        continue
    }

    switch ($arg) {
        '--rebuild' { $rebuild = $true }
        '--no-tailscale' { $tailscaleServe = $false }
        { $_ -in '-c', '--configuration' } { $expectConfiguration = $true }
        default { $dotnetArgs += $arg }
    }
}

if ($expectConfiguration) {
    Write-Log 'missing value for -c / --configuration.'
    exit 1
}

if (-not (Get-Command dotnet -ErrorAction SilentlyContinue)) {
    Write-Log 'dotnet SDK not found in PATH.'
    Write-Host '             Install .NET 10: https://dotnet.microsoft.com/download'
    exit 1
}

if (-not (Get-Command node -ErrorAction SilentlyContinue)) {
    Write-Log 'Node.js not found in PATH - the client resource will fail to start.'
    Write-Host '             Install Node 22.12 or newer: https://nodejs.org'
    Write-Host ''
}

if ($rebuild) {
    Write-Log '--rebuild: building.'
    $needBuild = $true
} else {
    $stamp = Join-Path $PSScriptRoot 'tools\apphost-uptodate.ps1'
    & powershell.exe -NoProfile -ExecutionPolicy Bypass -File $stamp -RepoRoot $PSScriptRoot -Configuration $configuration
    if ($LASTEXITCODE -eq 0) {
        Write-Log 'binaries are up to date, skipping build.'
        $needBuild = $false
    } else {
        Write-Log 'sources changed or binaries missing, building.'
        $needBuild = $true
    }
}

if ($needBuild) {
    Write-Host ''
    & dotnet build (Join-Path $PSScriptRoot 'src\HSchool.AppHost\HSchool.AppHost.csproj') -c $configuration
    if ($LASTEXITCODE -ne 0) {
        Write-Host ''
        Write-Log 'build failed.'
        exit $LASTEXITCODE
    }
    Write-Host ''
}

$clientTailscaleUrl = $null
if ($tailscaleServe) {
    if (-not (Get-Command tailscale -ErrorAction SilentlyContinue)) {
        Write-TailscaleSkipped 'tailscale not found in PATH.'
    } else {
        & tailscale status 2>$null | Out-Null
        if ($LASTEXITCODE -ne 0) {
            Write-TailscaleSkipped 'tailscale is not connected or not running.'
        } else {
            Write-Log 'tailscale serve --bg 5173'
            & tailscale serve --bg 5173
            if ($LASTEXITCODE -ne 0) {
                Write-TailscaleSkipped 'tailscale serve failed.'
            } else {
                $line = & tailscale serve status 2>$null | Select-Object -First 1
                $token = if ($line) { ($line -split '\s+', 2)[0] } else { $null }
                if ($token -like 'https://*') {
                    $clientTailscaleUrl = $token
                }
            }
        }
    }
    Write-Host ''
}

Write-Log 'Starting the Aspire AppHost. Press Ctrl+C to shut everything down.'
Write-Log 'Client: http://localhost:5173'
if ($clientTailscaleUrl) {
    Write-Log "Client (Tailscale): $clientTailscaleUrl"
}
Write-Host ''

$run = @(
    '--project', (Join-Path $PSScriptRoot 'src\HSchool.AppHost\HSchool.AppHost.csproj')
    '--no-build'
    '--no-restore'
) + $dotnetArgs
& dotnet run @run
$exitCode = $LASTEXITCODE
if ($exitCode -ne 0) {
    Write-Host ''
    Write-Log "AppHost exited with code $exitCode."
}

exit $exitCode