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May 1, 2026

param (
    [Parameter(Mandatory=$true)]
    [string]$InputFile,

    [Parameter(Mandatory=$false)]
    [string]$OutputFile = "output_codes.h"
)

# Ensure the input file exists
if (-not (Test-Path $InputFile)) {
    Write-Error "Input file '$InputFile' not found."
    exit
}

# Read lines, ignoring empty ones
$lines = Get-Content $InputFile | Where-Object { $_.Trim() -ne "" }

$allCodesNames = @()
$codeLengths = @()
$outputContent = @()

$outputContent += "// Define each code as a separate array in PROGMEM"
$outputContent += ""

$index = 0

foreach ($line in $lines) {
    # Extract only the numbers, sanitizing any weird spacing or trailing commas
    $matches = [regex]::Matches($line, '\d+')
    $numbers = $matches | ForEach-Object { $_.Value }
    
    # Get the length
    $length = $numbers.Count
    if ($length -eq 0) { continue } # Skip lines with no numbers

    $codeLengths += $length
    $arrayName = "c$index"
    $allCodesNames += $arrayName

    # Format into comma-separated string
    $formattedNumbers = $numbers -join ", "
    
    # Append the array declaration
    $outputContent += "const uint16_t ${arrayName}[] PROGMEM = {$formattedNumbers};"
    $outputContent += ""

    $index++
}

$outputContent += "// A master table of all codes and their lengths"
$outputContent += ""

# Format master pointer array
$allCodesStr = $allCodesNames -join ", "
$outputContent += "const uint16_t* const allCodes[] PROGMEM = {$allCodesStr};"
$outputContent += ""

# Format lengths array
$lengthsStr = $codeLengths -join ", "
$outputContent += "const uint8_t codeLengths[] = {$lengthsStr}; // Number of values in each array"
$outputContent += ""

# Format total count
$outputContent += "const uint8_t totalCodes = $index;"

# Write to the output file
$outputContent | Set-Content $OutputFile
Write-Host "Successfully generated formatted codes in '$OutputFile'!" -ForegroundColor Green

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