# agent-manager (am) — installateur Windows (PowerShell 5.1+)
#
# One-liner :
#   powershell -ExecutionPolicy Bypass -Command "irm https://git.dracodev.net/Projets/agent-manager/raw/branch/main/install.ps1 | iex"
#
# Télécharge le binaire de la dernière release Gitea ; à défaut, compile via
# cargo install --git. Relancez le script pour mettre à jour.
param(
    [string]$BaseUrl = "https://git.dracodev.net/Projets/agent-manager",
    [string]$ApiUrl  = "https://git.dracodev.net/api/v1/repos/Projets/agent-manager",
    [string]$InstallDir = ""
)
$ErrorActionPreference = "Stop"
$ProgressPreference = "SilentlyContinue"
# PowerShell 5.1 : forcer TLS 1.2 pour les serveurs modernes
try { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 } catch {}

function Fail([string]$msg) { Write-Host "erreur: $msg" -ForegroundColor Red; exit 1 }

function Install-FromSource {
    if (-not (Get-Command cargo -ErrorAction SilentlyContinue)) {
        Fail "pas de binaire precompile et cargo est absent - installez Rust (https://rustup.rs) puis relancez"
    }
    Write-Host "Installation depuis les sources (cargo install --git $BaseUrl.git) ..."
    cargo install --git "$BaseUrl.git" --locked
    if ($LASTEXITCODE -ne 0) { Fail "cargo install a echoue" }
    $bin = Join-Path $env:USERPROFILE ".cargo\bin\am.exe"
    Write-Host ""
    Write-Host "OK - am est installe dans $bin"
    Write-Host "Essayez : am list | am doctor    (mise a jour : relancez ce script)"
    exit 0
}

$arch = if ($env:PROCESSOR_ARCHITECTURE -match "ARM") { "arm64" } else { "x86_64" }
$binDir = if ($InstallDir) { $InstallDir } else { Join-Path $env:LOCALAPPDATA "agent-manager\bin" }

if ($arch -eq "x86_64") {
    $ok = $false
    try {
        $release = Invoke-RestMethod -Uri "$ApiUrl/releases/latest" -UseBasicParsing -TimeoutSec 20
        $tag = $release.tag_name
        $asset = "am-windows-x86_64.zip"
        $url = "$BaseUrl/releases/download/$tag/$asset"
        $tmp = Join-Path $env:TEMP "am-$tag.zip"
        Write-Host "Telechargement de $url ..."
        Invoke-WebRequest -Uri $url -OutFile $tmp -UseBasicParsing -TimeoutSec 300
        $tmpDir = Join-Path $env:TEMP "am-$tag"
        Remove-Item $tmpDir -Recurse -Force -ErrorAction SilentlyContinue
        Expand-Archive -Path $tmp -DestinationPath $tmpDir -Force
        # L'entrée de l'archive varie selon le pipeline : « am.exe » ou
        # « am-windows-x86_64.exe » (nom de l'asset). Accepter les deux.
        $exe = Join-Path $tmpDir "am.exe"
        if (-not (Test-Path $exe)) { $exe = Join-Path $tmpDir "am-windows-x86_64.exe" }
        if (Test-Path $exe) {
            New-Item -ItemType Directory -Force -Path $binDir | Out-Null
            Copy-Item $exe (Join-Path $binDir "am.exe") -Force
            Remove-Item $tmp -Force -ErrorAction SilentlyContinue
            Remove-Item $tmpDir -Recurse -Force -ErrorAction SilentlyContinue
            $ok = $true
        } else { throw "am.exe absent de l'archive" }
    } catch {
        Write-Host "Binaire precompile indisponible ($($_.Exception.Message)) - installation depuis les sources ..."
    }
    if (-not $ok) { Install-FromSource }
} else {
    Write-Host "Architecture $arch : pas de binaire precompile - installation depuis les sources ..."
    Install-FromSource
}

# Ajout au PATH utilisateur (permanent) uniquement pour le dossier par defaut
if (-not $InstallDir) {
    $userPath = [Environment]::GetEnvironmentVariable("Path", "User")
    if ($userPath -notlike "*$binDir*") {
        [Environment]::SetEnvironmentVariable("Path", "$binDir;$userPath", "User")
        Write-Host "Ajout de $binDir au PATH utilisateur (rouvrez votre terminal pour en profiter)"
    }
}
$env:Path = "$binDir;$env:Path"
& (Join-Path $binDir "am.exe") --version
Write-Host ""
Write-Host "OK - 'am' est installe. Essayez :"
Write-Host "  am list"
Write-Host "  am doctor"
Write-Host "Mise a jour : relancez ce script."