param(
    [int]$MockPort = 18080,
    [int]$AppPort = 18081,
    [switch]$SkipGoFmt
)

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

. (Join-Path $PSScriptRoot "dev-tools.ps1")

Use-LocalTooling
$repoRoot = Get-RepoRoot
$tmpRoot = Join-Path (Get-LocalRoot) ("selftest-" + [guid]::NewGuid().ToString("N"))
Ensure-Directory -Path $tmpRoot
$mockProcess = $null
$appProcess = $null
$appStdoutTask = $null
$appStderrTask = $null

function Stop-TrackedProcess {
    param($Process)
    if ($null -ne $Process -and -not $Process.HasExited) {
        Stop-Process -Id $Process.Id -Force
        $Process.WaitForExit()
    }
}

try {
    if (-not $SkipGoFmt) {
        Write-Step "gofmt"
        Invoke-CheckedCommand -FilePath "gofmt" -Arguments @(
            "-w",
            (Join-Path $repoRoot "backend\main.go"),
            (Join-Path $repoRoot "backend\handlers\api.go"),
            (Join-Path $repoRoot "backend\models\db.go"),
            (Join-Path $repoRoot "backend\services\cse.go"),
            (Join-Path $repoRoot "backend\services\cse_test.go"),
            (Join-Path $repoRoot "backend\services\search_collectors.go"),
            (Join-Path $repoRoot "backend\services\ranker.go"),
            (Join-Path $repoRoot "backend\services\gemini.go"),
            (Join-Path $repoRoot "backend\services\gemini_test.go")
        )
    }

    Write-Step "python syntax"
    Invoke-CheckedCommand -FilePath (Resolve-VenvPythonExe) -Arguments @(
        "-m",
        "py_compile",
        (Join-Path $repoRoot "worker\downloader.py"),
        (Join-Path $repoRoot "scripts\mock_searxng.py")
    )

    Write-Step "go test"
    Invoke-CheckedCommand -FilePath "go" -Arguments @("test", "./...")

    Write-Step "frontend syntax"
    Invoke-CheckedCommand -FilePath "node" -Arguments @("--check", (Join-Path $repoRoot "frontend\app.js"))

    Write-Step "go build"
    $binaryPath = Join-Path $tmpRoot "ai-media-hub.exe"
    Invoke-CheckedCommand -FilePath "go" -Arguments @("build", "-o", $binaryPath, "./backend")

    Write-Step "start mock searxng"
    $mockLog = Join-Path $tmpRoot "mock-searxng.stdout.log"
    $mockErrLog = Join-Path $tmpRoot "mock-searxng.stderr.log"
    $mockProcess = Start-Process -FilePath (Resolve-VenvPythonExe) `
        -ArgumentList @((Join-Path $repoRoot "scripts\mock_searxng.py"), "--port", $MockPort) `
        -RedirectStandardOutput $mockLog `
        -RedirectStandardError $mockErrLog `
        -PassThru `
        -WindowStyle Hidden

    Write-Step "start app"
    $downloadsDir = Join-Path $tmpRoot "downloads"
    Ensure-Directory -Path $downloadsDir
    $appLog = Join-Path $tmpRoot "app.log"
    $envMap = Get-AppEnvironment `
        -WorkspaceRoot $repoRoot `
        -DownloadsDir $downloadsDir `
        -SqlitePath (Join-Path $tmpRoot "media.db") `
        -AppAddr ("127.0.0.1:{0}" -f $AppPort) `
        -SearxUrl ("http://127.0.0.1:{0}" -f $MockPort)

    $appStartInfo = New-Object System.Diagnostics.ProcessStartInfo
    $appStartInfo.FileName = $binaryPath
    $appStartInfo.WorkingDirectory = $repoRoot
    $appStartInfo.UseShellExecute = $false
    $appStartInfo.RedirectStandardOutput = $true
    $appStartInfo.RedirectStandardError = $true
    foreach ($entry in $envMap.GetEnumerator()) {
        $appStartInfo.Environment[$entry.Key] = [string]$entry.Value
    }
    $appProcess = New-Object System.Diagnostics.Process
    $appProcess.StartInfo = $appStartInfo
    $null = $appProcess.Start()
    $appStdoutTask = $appProcess.StandardOutput.ReadToEndAsync()
    $appStderrTask = $appProcess.StandardError.ReadToEndAsync()

    $healthUrl = "http://127.0.0.1:$AppPort/healthz"
    $healthy = $false
    for ($i = 0; $i -lt 30; $i++) {
        try {
            $health = Invoke-RestMethod -Uri $healthUrl -TimeoutSec 2
            if ($health.status -eq "ok") {
                $healthy = $true
                break
            }
        } catch {
            Start-Sleep -Seconds 1
        }
    }
    if (-not $healthy) {
        throw "/healthz 확인 실패"
    }

    Write-Step "verify search"
    $searchPayload = @{
        query = "city rain"
        platforms = @("envato", "artgrid", "google video")
    } | ConvertTo-Json
    $search = Invoke-RestMethod -Method Post -Uri "http://127.0.0.1:$AppPort/api/search" -ContentType "application/json" -Body $searchPayload
    $searchResults = @($search.results)
    if ($null -eq $search.results -or $searchResults.Count -lt 2) {
        throw "검색 결과가 너무 적습니다."
    }
    if (@($searchResults | Where-Object { -not $_.link }).Count -gt 0) {
        throw "검색 결과에 link가 비어 있습니다."
    }

    Write-Step "verify upload"
    $sampleFile = Join-Path $tmpRoot "sample.txt"
    Set-Content -LiteralPath $sampleFile -Value "selftest upload" -Encoding UTF8
    $form = @{
        file = Get-Item -LiteralPath $sampleFile
    }
    $upload = Invoke-RestMethod -Method Post -Uri "http://127.0.0.1:$AppPort/api/upload" -Form $form
    if (-not $upload.filename) {
        throw "업로드 응답에 filename이 없습니다."
    }
    $uploadedPath = Join-Path $downloadsDir $upload.filename
    if (-not (Test-Path -LiteralPath $uploadedPath)) {
        throw "업로드된 파일이 downloads에 존재하지 않습니다."
    }

    Write-Step "selftest ok"
} finally {
    Stop-TrackedProcess -Process $appProcess
    Stop-TrackedProcess -Process $mockProcess
    if ($appStdoutTask) {
        $appStdoutTask.Wait()
        $appStdoutTask.Result | Set-Content -LiteralPath (Join-Path $tmpRoot "app.log") -Encoding UTF8
    }
    if ($appStderrTask) {
        $appStderrTask.Wait()
        $appStderrTask.Result | Add-Content -LiteralPath (Join-Path $tmpRoot "app.log") -Encoding UTF8
    }
}