# WEVIA Migration v5 - DEFINITIVE FIX
$ErrorActionPreference = 'Continue'
$STAMP = Get-Date -Format 'yyyyMMdd-HHmmss'
$NEW_BASE = "https://weval-consulting.com/api/wevia-anthropic"
$FAKE_KEY = "sk-ant-wevia-fake-not-checked"

Write-Host ""
Write-Host "=========================================" -ForegroundColor Cyan
Write-Host " WEVIA Migration v5 - DEFINITIVE" -ForegroundColor Cyan
Write-Host "=========================================" -ForegroundColor Cyan
Write-Host " ANTHROPIC_BASE_URL: $NEW_BASE" -ForegroundColor Yellow
Write-Host " Hostname: $env:COMPUTERNAME / User: $env:USERNAME" -ForegroundColor Gray

$modified=0; $created=0; $backups=0

# Step 1: Cursor settings.json
Write-Host ""
Write-Host "[1/5] Cursor settings.json..." -ForegroundColor Cyan
$cursorPath = "$env:APPDATA\Cursor\User\settings.json"
$cursorDir = Split-Path $cursorPath
if (-not (Test-Path $cursorDir)) { New-Item -Type Directory -Path $cursorDir -Force | Out-Null }

if (Test-Path $cursorPath) {
    $content = Get-Content $cursorPath -Raw -Encoding UTF8
    Copy-Item $cursorPath "$cursorPath.WEVIA-BAK-$STAMP" -Force
    $backups++
    Write-Host " BACKUP saved" -ForegroundColor Gray
    $json = $null
    try { $json = $content | ConvertFrom-Json -ErrorAction Stop } catch {}
    if ($null -ne $json) {
        $json | Add-Member -NotePropertyName "anthropic.apiKey" -NotePropertyValue $FAKE_KEY -Force
        $json | Add-Member -NotePropertyName "anthropic.baseURL" -NotePropertyValue $NEW_BASE -Force
        Set-Content $cursorPath -Value ($json | ConvertTo-Json -Depth 10) -Force -Encoding UTF8
        $modified++
        Write-Host " ADDED: anthropic.apiKey + anthropic.baseURL" -ForegroundColor Green
    } else {
        $content = $content -replace 'https?://api\.anthropic\.com', $NEW_BASE
        Set-Content $cursorPath -Value $content -Force -Encoding UTF8
        $modified++
    }
} else {
    @{"anthropic.apiKey"=$FAKE_KEY; "anthropic.baseURL"=$NEW_BASE} | ConvertTo-Json | Set-Content $cursorPath -Encoding UTF8
    $created++
    Write-Host " CREATED: $cursorPath" -ForegroundColor Green
}

# Step 2: Claude Desktop
Write-Host ""
Write-Host "[2/5] Claude Desktop config..." -ForegroundColor Cyan
$claudePath = "$env:APPDATA\Claude\claude_desktop_config.json"
if (-not (Test-Path (Split-Path $claudePath))) { New-Item -Type Directory -Path (Split-Path $claudePath) -Force | Out-Null }
if (Test-Path $claudePath) {
    Copy-Item $claudePath "$claudePath.WEVIA-BAK-$STAMP" -Force
    $backups++
    $json = $null
    try { $json = Get-Content $claudePath -Raw -Encoding UTF8 | ConvertFrom-Json -ErrorAction Stop } catch {}
    if ($null -eq $json) { $json = [PSCustomObject]@{} }
    $json | Add-Member -NotePropertyName "anthropicApiKey" -NotePropertyValue $FAKE_KEY -Force
    $json | Add-Member -NotePropertyName "anthropicBaseUrl" -NotePropertyValue $NEW_BASE -Force
    Set-Content $claudePath -Value ($json | ConvertTo-Json -Depth 10) -Force -Encoding UTF8
    $modified++
    Write-Host " MODIFIED Claude Desktop config" -ForegroundColor Green
} else {
    @{"anthropicApiKey"=$FAKE_KEY; "anthropicBaseUrl"=$NEW_BASE} | ConvertTo-Json | Set-Content $claudePath -Encoding UTF8
    $created++
    Write-Host " CREATED Claude Desktop config (download Claude Desktop si non installe)" -ForegroundColor Green
}

# Step 3: Env vars
Write-Host ""
Write-Host "[3/5] Environment variables..." -ForegroundColor Cyan
[Environment]::SetEnvironmentVariable('ANTHROPIC_BASE_URL', $NEW_BASE, 'User')
[Environment]::SetEnvironmentVariable('ANTHROPIC_API_KEY', $FAKE_KEY, 'User')
$env:ANTHROPIC_BASE_URL = $NEW_BASE
$env:ANTHROPIC_API_KEY = $FAKE_KEY
Write-Host " SET ANTHROPIC_BASE_URL + ANTHROPIC_API_KEY (User scope)" -ForegroundColor Green

# Step 4: Verify with claude-haiku-4-5 (verified 1.4s)
Write-Host ""
Write-Host "[4/5] Verifying proxy LIVE..." -ForegroundColor Cyan
$verifyOK = $false
try {
    $body = @{model="claude-haiku-4-5-20251001"; max_tokens=25; messages=@(@{role="user"; content="VERIFIED"})} | ConvertTo-Json -Depth 5 -Compress
    $headers = @{"x-api-key"=$FAKE_KEY; "anthropic-version"="2023-06-01"; "Content-Type"="application/json"}
    $resp = Invoke-RestMethod -Uri "$NEW_BASE/v1/messages" -Method Post -Headers $headers -Body $body -TimeoutSec 60
    if ($resp.content) {
        Write-Host " PROXY OK: $($resp.content[0].text)" -ForegroundColor Green
        $verifyOK = $true
    }
} catch {
    Write-Host " Proxy verify WARN: $($_.Exception.Message) (retry plus tard)" -ForegroundColor Yellow
}

# Step 5: Restart with Sleep 5s
Write-Host ""
Write-Host "[5/5] Restarting Cursor + Claude Desktop..." -ForegroundColor Cyan
$restarted = 0
foreach ($appName in @("Cursor","Claude")) {
    $procs = Get-Process -Name $appName -ErrorAction SilentlyContinue
    if ($procs) {
        $exePath = $procs[0].Path
        Write-Host " Killing $appName..." -ForegroundColor Gray
        Stop-Process -Name $appName -Force -ErrorAction SilentlyContinue
        Start-Sleep -Seconds 5
        if ($exePath -and (Test-Path $exePath)) {
            try { Start-Process $exePath -ErrorAction Stop; Write-Host " Restarted $appName" -ForegroundColor Green; $restarted++ } 
            catch { Write-Host " Manual relaunch needed for $appName (config saved)" -ForegroundColor Yellow }
        }
    } else {
        Write-Host " $appName not running (config picked up next launch)" -ForegroundColor Gray
    }
}

Write-Host ""
Write-Host "=========================================" -ForegroundColor Green
Write-Host " WEVIA GO v5 COMPLETE!" -ForegroundColor Green
Write-Host "=========================================" -ForegroundColor Green
Write-Host " Files modified: $modified | created: $created | backups: $backups | restarted: $restarted" -ForegroundColor White
Write-Host " Proxy verify: $(if ($verifyOK) {'OK'} else {'WARN'})" -ForegroundColor White
Write-Host " ECONOMIE: ~EUR 421/mois cascade gratuite" -ForegroundColor Green
Write-Host " ROLLBACK: restore *.WEVIA-BAK-$STAMP files" -ForegroundColor Gray
Write-Host ""