$ErrorActionPreference = "Stop"

function Invoke-Step {
    param(
        [Parameter(Mandatory = $true)][string]$Name,
        [Parameter(Mandatory = $true)][string]$Command
    )

    Write-Host ""
    Write-Host "=== $Name ===" -ForegroundColor Cyan
    Write-Host $Command
    Invoke-Expression $Command
    if ($LASTEXITCODE -ne 0) {
        throw "Step '$Name' failed with exit code $LASTEXITCODE"
    }
}

function Start-DockerDesktopIfNeeded {
    function Test-DockerDaemonReady {
        cmd /c "docker info >nul 2>nul"
        return ($LASTEXITCODE -eq 0)
    }

    $dockerInfoOk = Test-DockerDaemonReady

    if ($dockerInfoOk) {
        return
    }

    $candidatePaths = @(
        "$Env:ProgramFiles\Docker\Docker\Docker Desktop.exe",
        "$Env:ProgramFiles(x86)\Docker\Docker\Docker Desktop.exe"
    )

    $dockerExe = $candidatePaths | Where-Object { Test-Path $_ } | Select-Object -First 1
    if (-not $dockerExe) {
        throw "Docker Desktop not found. Install Docker Desktop or start Docker manually."
    }

    # Try to start Docker Desktop even if process exists; daemon may be down.
    Write-Host "Ensuring Docker Desktop is started..." -ForegroundColor Yellow
    Start-Process -FilePath $dockerExe | Out-Null

    # If the process still does not appear, fail fast.
    $dockerProcess = Get-Process -Name "Docker Desktop" -ErrorAction SilentlyContinue
    if (-not $dockerProcess) {
        $dockerProcess = Get-Process -Name "Docker Desktop.exe" -ErrorAction SilentlyContinue
    }
    if (-not $dockerProcess) {
        Write-Host "Docker Desktop process is not detected yet; waiting for daemon..." -ForegroundColor Yellow
    }

    $deadline = (Get-Date).AddMinutes(3)
    while ((Get-Date) -lt $deadline) {
        if (Test-DockerDaemonReady) {
            return
        }
        Start-Sleep -Seconds 3
    }

    throw "Docker daemon is not available after 3 minutes."
}

function Wait-Selenoid {
    param(
        [Parameter(Mandatory = $true)][string]$StatusUrl
    )

    $deadline = (Get-Date).AddMinutes(2)
    while ((Get-Date) -lt $deadline) {
        try {
            $response = Invoke-RestMethod -Uri $StatusUrl -Method Get -TimeoutSec 5
            if ($null -ne $response.total -and $response.total -ge 1) {
                return
            }
        } catch {
            Start-Sleep -Seconds 2
            continue
        }
        Start-Sleep -Seconds 2
    }

    throw "Selenoid is not ready at $StatusUrl"
}

Write-Host "Preparing Docker/Selenoid..." -ForegroundColor Green
Start-DockerDesktopIfNeeded
Invoke-Step -Name "Docker Compose Up" -Command "docker compose up -d --wait"
Wait-Selenoid -StatusUrl "http://localhost:4444/status"

Invoke-Step -Name "Quality Gates" -Command "mvn -DskipTests verify"
Invoke-Step -Name "API and Stub Tests" -Command "mvn test"
Invoke-Step -Name "UI Tests via Selenoid" -Command "mvn -Pui-tests ""-Dbrowser=selenoid"" ""-Dselenoid.url=http://localhost:4444/wd/hub"" test"

Write-Host ""
Write-Host "Full pipeline completed successfully." -ForegroundColor Green