# E05-S02: run the class descriptor/object fixture in x128 and verify the
# descriptor ABI, object headers, and deterministic CLASS MAP records.
[CmdletBinding()]
param([int]$Port = 6552, [int]$TimeoutSeconds = 90)

$ErrorActionPreference = "Stop"
$project = Split-Path $PSScriptRoot -Parent
Import-Module (Join-Path $PSScriptRoot "lib\Nova128Test.psm1") -Force
& (Join-Path $PSScriptRoot "build-class-test.ps1")

$out = Join-Path $project "build\class-test"
$disk = Join-Path $out "class-test.d81"
$labels = Join-Path $out "class-test.lbl"
$c1541 = Get-ViceTool "c1541"
$failures = @()

$session = Start-Nova128X128 -Autostart $disk -Drive8Image $disk -Port $Port `
    -Screenshot (Join-Path $out "class-test-vicii.png")
try {
    $mb = Wait-Nova128Mailbox $session -TimeoutSeconds $TimeoutSeconds
    Start-Sleep -Milliseconds 500
    $screenRam = Read-Nova128Memory $session 0x0400 1000
} finally {
    Stop-Nova128X128 $session -SettleSeconds 0
}

if ($mb[2] -ne 0x03) { $failures += "producer $($mb[2]) expected 3" }
if ($mb[3] -ne 0xA5) { $failures += ("status {0:X2} expected A5" -f $mb[3]) }
if ($mb[4] -ne 0 -or $mb[5] -ne 0) { $failures += "code $($mb[4] + 256 * $mb[5]) expected 0" }
for ($i = 0; $i -lt 8; $i++) {
    if ($mb[8 + $i] -ne 1) { $failures += "phase $i flag is $($mb[8 + $i]), expected 1" }
}

$rows = for ($r = 0; $r -lt 25; $r++) {
    $chars = for ($c = 0; $c -lt 40; $c++) {
        $code = $screenRam[$r * 40 + $c]
        if ($code -le 0x1F) { [char]($code + 0x40) } elseif ($code -le 0x3F) { [char]$code } else { '?' }
    }
    (-join $chars).TrimEnd()
}
if (-not ($rows -contains "NOVA128 CLASS TEST OK")) {
    $failures += "screen does not contain 'NOVA128 CLASS TEST OK'"
}

function Read-DiskFile([string]$Name, [string]$Dest, [bool]$Seq) {
    if (Test-Path -LiteralPath $Dest) { Remove-Item -LiteralPath $Dest -Force }
    $spec = if ($Seq) { "$Name,s" } else { $Name }
    & $c1541 -attach $disk -read $spec $Dest 2>&1 | Out-Null
    if (-not (Test-Path -LiteralPath $Dest)) { throw "could not read $Name from the test disk" }
}

$mapPath = Join-Path $out "CLASSTEST.MAP"
Read-DiskFile "classtest.map" $mapPath $true
$mapLines = ([IO.File]::ReadAllText($mapPath)).TrimEnd("`r", "`n") -split "`r`n|`r|`n"
$destroy = Get-Nova128Label $labels "destroy_b"
$stub = Get-Nova128Label $labels "method_stub"
$ifdir = Get-Nova128Label $labels "iface_dir"
$expectedMap = @(
    "NOVA128 MAP 1",
    "ENTRY 1C0D",
    "SECTION STUB 1C01 000C",
    "SECTION START 1C0D 004A",
    ("CLASS EMPTY 0007 0000 00 0000"),
    ("CLASS BOX 0023 {0:X4} 01 {1:X4}" -f $destroy, $ifdir),
    ("METHOD DESTROY {0:X4}" -f $destroy),
    ("METHOD STUB {0:X4}" -f $stub))
if (($mapLines -join "`n") -ne ($expectedMap -join "`n")) {
    $failures += ("CLASSTEST.MAP differs:`n  got:  " + ($mapLines -join "`n        ") +
        "`n  want: " + ($expectedMap -join "`n        "))
}

if ($failures) {
    throw ("class verification failed:`n  " + ($failures -join "`n  "))
}
Write-Host "screen:"
$rows | Where-Object { $_ } | ForEach-Object { Write-Host "  |$_" }
Write-Host ("mailbox: producer 3, PASS, all 8 descriptor/MAP flags set; destroy {0:X4}, ifdir {1:X4}" -f $destroy, $ifdir)
Write-Host "MAP:"
$expectedMap | ForEach-Object { Write-Host "  |$_" }