$ErrorActionPreference = 'Stop'
$projectRoot = [System.IO.Path]::GetFullPath((Join-Path $PSScriptRoot '..'))
$outputPath = Join-Path $projectRoot 'assets/array-geometries/rectangular-16x12.array.json'
$microphones = [System.Collections.Generic.List[object]]::new()
$columns = 16
$rows = 12
$width = 0.45
$height = 0.45

for ($row = 0; $row -lt $rows; $row++) {
    for ($column = 0; $column -lt $columns; $column++) {
        $index = $row * $columns + $column
        $x = -$width / 2 + $column * $width / ($columns - 1)
        $y = -$height / 2 + $row * $height / ($rows - 1)
        $microphones.Add([ordered]@{
            id       = 'mic-{0:D3}' -f ($index + 1)
            position = @([Math]::Round($x, 6), [Math]::Round($y, 6), 0)
        })
    }
}

$arrayDefinition = [ordered]@{
    schemaVersion    = '1.0.0'
    kind             = 'micarrsim.array'
    id               = 'rectangular-16x12'
    name             = '16x12 rectangular baseline'
    description      = '192-channel uniform rectangular layout on a 0.45 m square aperture'
    units            = 'm'
    coordinateSystem = [ordered]@{
        handedness = 'right'
        xAxis       = 'right'
        yAxis       = 'up'
        zAxis       = 'toward-scene'
    }
    aperture         = [ordered]@{ width = $width; height = $height }
    microphones      = $microphones
}

$json = $arrayDefinition | ConvertTo-Json -Depth 8
[System.IO.File]::WriteAllText($outputPath, $json + [Environment]::NewLine, [System.Text.UTF8Encoding]::new($false))
Write-Host "Generated $($microphones.Count) microphones: $outputPath"

$spiralOutputPath = Join-Path $projectRoot 'assets/array-geometries/fermat-spiral-192.array.json'
$spiralMicrophones = [System.Collections.Generic.List[object]]::new()
$microphoneCount = 192
$radius = 0.225
$goldenAngle = [Math]::PI * (3 - [Math]::Sqrt(5))

for ($index = 0; $index -lt $microphoneCount; $index++) {
    $microphoneRadius = $radius * [Math]::Sqrt(($index + 0.5) / $microphoneCount)
    $angle = $index * $goldenAngle
    $x = $microphoneRadius * [Math]::Cos($angle)
    $y = $microphoneRadius * [Math]::Sin($angle)
    $spiralMicrophones.Add([ordered]@{
        id       = 'mic-{0:D3}' -f ($index + 1)
        position = @([Math]::Round($x, 6), [Math]::Round($y, 6), 0)
    })
}

$spiralDefinition = [ordered]@{
    schemaVersion    = '1.0.0'
    kind             = 'micarrsim.array'
    id               = 'fermat-spiral-192'
    name             = '192-channel Fermat spiral'
    description      = 'Equal-area Fermat spiral on a 0.45 m circular aperture for comparison with the rectangular baseline'
    units            = 'm'
    coordinateSystem = [ordered]@{
        handedness = 'right'
        xAxis       = 'right'
        yAxis       = 'up'
        zAxis       = 'toward-scene'
    }
    aperture         = [ordered]@{ width = 0.45; height = 0.45 }
    microphones      = $spiralMicrophones
}

$spiralJson = $spiralDefinition | ConvertTo-Json -Depth 8
[System.IO.File]::WriteAllText(
    $spiralOutputPath,
    $spiralJson + [Environment]::NewLine,
    [System.Text.UTF8Encoding]::new($false)
)
Write-Host "Generated $($spiralMicrophones.Count) microphones: $spiralOutputPath"