param(
    [int]$Port = 18083
)

$ErrorActionPreference = "Stop"
$Root = Resolve-Path (Join-Path $PSScriptRoot "..")
$RunDir = Join-Path $Root "target\run"
New-Item -ItemType Directory -Force -Path $RunDir | Out-Null

$ExistingListener = Get-NetTCPConnection -LocalPort $Port -State Listen -ErrorAction SilentlyContinue | Select-Object -First 1
if ($ExistingListener) {
    $Process = Get-Process -Id $ExistingListener.OwningProcess -ErrorAction SilentlyContinue
    $Name = if ($Process) { $Process.ProcessName } else { "未知进程" }
    throw "端口 $Port 已被 PID $($ExistingListener.OwningProcess) ($Name) 占用。请换一个端口，例如 -Port $($Port + 1)，或先停止该进程。"
}

$Config = Join-Path $RunDir "server-$Port.toml"
$Db = (Join-Path $RunDir "lightops-$Port.db").Replace("\", "/")

@"
bind = "127.0.0.1:$Port"
database_url = "sqlite://${Db}?mode=rwc"
jwt_secret = "local-dev-lightops-secret-please-change"
public_url = "http://127.0.0.1:$Port"
static_dir = "web/dist"
registration_token_ttl_minutes = 30
task_timeout_secs = 20
"@ | Set-Content -Encoding UTF8 -Path $Config

$ServerOut = Join-Path $RunDir "server-$Port.out"
$ServerErr = Join-Path $RunDir "server-$Port.err"
$AgentOut = Join-Path $RunDir "agent-$Port.out"
$AgentErr = Join-Path $RunDir "agent-$Port.err"

$Server = Start-Process `
    -FilePath (Join-Path $Root "target\debug\lightops-server.exe") `
    -ArgumentList @("--config", $Config) `
    -WorkingDirectory $Root `
    -PassThru `
    -WindowStyle Hidden `
    -RedirectStandardOutput $ServerOut `
    -RedirectStandardError $ServerErr

Set-Content -Path (Join-Path $RunDir "server-$Port.pid") -Value $Server.Id
Start-Sleep -Seconds 2

if ($Server.HasExited) {
    throw "Server 提前退出，退出码 $($Server.ExitCode)。请查看 $ServerOut 和 $ServerErr"
}

$BaseUrl = "http://127.0.0.1:$Port"
$Page = Invoke-WebRequest -UseBasicParsing "$BaseUrl/" -TimeoutSec 10

$InitBody = @{ username = "admin"; password = "LightOps@123456" } | ConvertTo-Json
$Init = Invoke-RestMethod -Method Post -Uri "$BaseUrl/api/auth/init" -ContentType "application/json" -Body $InitBody -TimeoutSec 10
$Jwt = $Init.data.token
$Headers = @{ Authorization = "Bearer $Jwt" }

$TokenBody = @{ name = "本机测试节点"; ttl_minutes = 30 } | ConvertTo-Json
$AgentTokenResp = Invoke-RestMethod -Method Post -Uri "$BaseUrl/api/agent-tokens" -Headers $Headers -ContentType "application/json" -Body $TokenBody -TimeoutSec 10
$AgentToken = $AgentTokenResp.data.token

$AgentConfig = Join-Path $RunDir "agent-$Port.toml"
$Agent = Start-Process `
    -FilePath (Join-Path $Root "target\debug\lightops-agent.exe") `
    -ArgumentList @("--server", $BaseUrl, "--token", $AgentToken, "--config", $AgentConfig, "--name", "本机测试节点") `
    -WorkingDirectory $Root `
    -PassThru `
    -WindowStyle Hidden `
    -RedirectStandardOutput $AgentOut `
    -RedirectStandardError $AgentErr

Set-Content -Path (Join-Path $RunDir "agent-$Port.pid") -Value $Agent.Id
Start-Sleep -Seconds 5

if ($Agent.HasExited) {
    throw "Agent 提前退出，退出码 $($Agent.ExitCode)。请查看 $AgentOut 和 $AgentErr"
}

$Agents = Invoke-RestMethod -Method Get -Uri "$BaseUrl/api/agents" -Headers $Headers -TimeoutSec 10
$AgentId = $Agents.data[0].id
$Metrics = Invoke-RestMethod -Method Get -Uri "$BaseUrl/api/agents/$AgentId/metrics" -Headers $Headers -TimeoutSec 10
$Files = Invoke-RestMethod -Method Get -Uri "$BaseUrl/api/agents/$AgentId/files?path=." -Headers $Headers -TimeoutSec 10

[pscustomobject]@{
    url = $BaseUrl
    server_pid = $Server.Id
    agent_pid = $Agent.Id
    page_status = $Page.StatusCode
    init_success = $Init.success
    token_created = $AgentTokenResp.success
    agent_count = @($Agents.data).Count
    agent_id = $AgentId
    agent_status = $Agents.data[0].status
    metrics_count = @($Metrics.data).Count
    file_api_success = $Files.success
    file_count = @($Files.data.entries).Count
    username = "admin"
    password = "LightOps@123456"
} | ConvertTo-Json -Depth 5