param(
    [Parameter(Mandatory=$true)][string]$Executable,
    [Parameter(Mandatory=$true)][string]$OutputDirectory
)
$ErrorActionPreference = 'Stop'
$exe = (Resolve-Path $Executable).Path
$directory = [IO.Path]::GetFullPath($OutputDirectory)
if (Test-Path $directory) { throw 'Use a new output directory to preserve earlier evidence.' }
[IO.Directory]::CreateDirectory($directory) | Out-Null
$utf8 = New-Object Text.UTF8Encoding($false)
$results = @()
$cases = @(
    @{ Name='recover'; Args=@('recover-ui','--timeout','30') },
    @{ Name='doctor'; Args=@('doctor','--timeout','30') },
    @{ Name='inspect'; Args=@('inspect-ui','--output',"$directory\ui-tree.json",'--timeout','30') },
    @{ Name='smoke'; Args=@('smoke','--output',"$directory\smoke-ui-tree.json",'--timeout','30') },
    @{ Name='recovery'; Args=@('recovery-smoke','--timeout','60') },
    @{ Name='listener'; Args=@('listener-smoke','--output',"$directory\listener",'--timeout','60') },
    @{ Name='listener-independent'; Args=@('listener-smoke','--independent','--output',"$directory\listener-independent",'--timeout','60') },
    @{ Name='independent-ui'; Args=@('inspect-ui','--window-title','文件传输助手','--output',"$directory\independent-ui-tree.json",'--timeout','30') },
    @{ Name='stability'; Args=@('stability-smoke','--seconds','30','--sample-seconds','5','--output',"$directory\stability",'--timeout','90') },
    @{ Name='diagnose'; Args=@('diagnose','--baseline',"$directory\ui-tree.json",'--output',"$directory\diagnostics",'--timeout','60') }
)
foreach ($case in $cases) {
    $started = [DateTimeOffset]::UtcNow
    $arguments = $case.Args
    $lines = & $exe @arguments
    $code = $LASTEXITCODE
    [IO.File]::WriteAllText("$directory\$($case.Name).json", ($lines -join [Environment]::NewLine), $utf8)
    $results += @{ Name=$case.Name; ExitCode=$code; StartedAt=$started; FinishedAt=[DateTimeOffset]::UtcNow }
}
$started = [DateTimeOffset]::UtcNow
& (Join-Path $PSScriptRoot 'Test-CommandGate.ps1') -Executable $exe -OutputPath "$directory\command-gate.json"
$gateCode = $LASTEXITCODE
$results += @{ Name='command-gate'; ExitCode=$gateCode; StartedAt=$started; FinishedAt=[DateTimeOffset]::UtcNow }
$summary = @{
    BinarySha256=(Get-FileHash $exe -Algorithm SHA256).Hash
    SessionId=[Diagnostics.Process]::GetCurrentProcess().SessionId
    OperatingSystem=[Environment]::OSVersion.VersionString
    Results=$results
    Passed=(@($results | Where-Object { $_.ExitCode -ne 0 }).Count -eq 0)
}
[IO.File]::WriteAllText("$directory\validation-summary.json", ($summary | ConvertTo-Json -Depth 8), $utf8)
if (!$summary.Passed) { exit 2 }
exit 0