param(
    [string]$OutputDirectory = (Join-Path $PSScriptRoot '..\tests\fixtures')
)

Add-Type -AssemblyName System.Drawing

New-Item -ItemType Directory -Force -Path $OutputDirectory | Out-Null

function New-Fixture {
    param(
        [string]$Path,
        [int]$Width,
        [int]$Height,
        [int]$CellSize
    )

    $bitmap = [System.Drawing.Bitmap]::new($Width, $Height)
    $graphics = [System.Drawing.Graphics]::FromImage($bitmap)
    $graphics.SmoothingMode = [System.Drawing.Drawing2D.SmoothingMode]::AntiAlias
    $graphics.TextRenderingHint = [System.Drawing.Text.TextRenderingHint]::AntiAliasGridFit

    $bands = @(
        [System.Drawing.Color]::FromArgb(255, 246, 226),
        [System.Drawing.Color]::FromArgb(255, 218, 185),
        [System.Drawing.Color]::FromArgb(202, 234, 229),
        [System.Drawing.Color]::FromArgb(190, 218, 245)
    )
    $bandHeight = [math]::Ceiling($Height / $bands.Count)
    for ($index = 0; $index -lt $bands.Count; $index++) {
        $brush = [System.Drawing.SolidBrush]::new($bands[$index])
        $graphics.FillRectangle($brush, 0, $index * $bandHeight, $Width, $bandHeight)
        $brush.Dispose()
    }

    $gridPen = [System.Drawing.Pen]::new([System.Drawing.Color]::FromArgb(125, 37, 54, 69), 2)
    for ($x = 0; $x -le $Width; $x += $CellSize) {
        $graphics.DrawLine($gridPen, $x, 0, $x, $Height)
    }
    for ($y = 0; $y -le $Height; $y += $CellSize) {
        $graphics.DrawLine($gridPen, 0, $y, $Width, $y)
    }
    $gridPen.Dispose()

    $circleBrush = [System.Drawing.SolidBrush]::new([System.Drawing.Color]::FromArgb(215, 214, 72, 94))
    $circlePen = [System.Drawing.Pen]::new([System.Drawing.Color]::FromArgb(255, 120, 30, 58), 5)
    $circleSize = [math]::Min($Width, $Height) * 0.28
    $graphics.FillEllipse($circleBrush, $Width * 0.58, $Height * 0.18, $circleSize, $circleSize)
    $graphics.DrawEllipse($circlePen, $Width * 0.58, $Height * 0.18, $circleSize, $circleSize)
    $circleBrush.Dispose()
    $circlePen.Dispose()

    $fontSize = [math]::Max(14, [math]::Floor($CellSize * 0.28))
    $font = [System.Drawing.Font]::new('Arial', $fontSize, [System.Drawing.FontStyle]::Bold)
    $textBrush = [System.Drawing.SolidBrush]::new([System.Drawing.Color]::FromArgb(255, 24, 44, 57))
    $columns = [math]::Ceiling($Width / $CellSize)
    $rows = [math]::Ceiling($Height / $CellSize)
    for ($row = 0; $row -lt $rows; $row++) {
        for ($column = 0; $column -lt $columns; $column++) {
            $number = $row * $columns + $column + 1
            $graphics.DrawString([string]$number, $font, $textBrush, $column * $CellSize + 8, $row * $CellSize + 7)
        }
    }

    $bitmap.Save($Path, [System.Drawing.Imaging.ImageFormat]::Png)
    $font.Dispose()
    $textBrush.Dispose()
    $graphics.Dispose()
    $bitmap.Dispose()
}

New-Fixture (Join-Path $OutputDirectory 'landscape.png') 800 400 100
New-Fixture (Join-Path $OutputDirectory 'portrait.png') 200 800 100
Write-Output "Created fixtures in $OutputDirectory"