<#
.SYNOPSIS
Check and return list of new available tool versions
#>

param (
    [Parameter(Mandatory)] [string] $DistURL,
    [Parameter(Mandatory)] [string] $ManifestLink,
    [string] $VersionFilterToInclude,
    [string] $VersionFilterToExclude,
    [UInt32] $RetryIntervalSec = 60,
    [UInt32] $RetryCount = 3
)

Import-Module (Join-Path $PSScriptRoot "helpers.psm1")

function Get-VersionsByUrl {
    param (
        [Parameter(Mandatory)] [string] $ToolPackagesUrl,
        [Parameter(Mandatory)] [UInt32] $RetryIntervalSec,
        [Parameter(Mandatory)] [UInt32] $RetryCount
    )

    $packages = Invoke-RestMethod $ToolPackagesUrl -MaximumRetryCount $RetryCount -RetryIntervalSec $RetryIntervalSec
    return $packages.version
}

Write-Host "Get the packages list from $DistURL"
$versionsFromDist = Get-VersionsByUrl -ToolPackagesUrl $DistURL `
                                      -RetryIntervalSec $RetryIntervalSec `
                                      -RetryCount $RetryCount

Write-Host "Get the packages list from $ManifestLink"
[Version[]] $versionsFromManifest = Get-VersionsByUrl -ToolPackagesUrl $ManifestLink `
                                                      -RetryIntervalSec $RetryIntervalSec `
                                                      -RetryCount $RetryCount

[Version[]] $formattedVersions = Format-Versions -Versions $versionsFromDist

if (-not ([string]::IsNullOrEmpty($VersionFilterToInclude))) {
    $formattedVersions = Filter-Versions -Versions $formattedVersions `
                                         -VersionFilter $VersionFilterToInclude `
                                         -IncludeVersions $true
}

if (-not ([string]::IsNullOrEmpty($VersionFilterToExclude))) {
    $formattedVersions = Filter-Versions -Versions $formattedVersions `
                                         -VersionFilter $VersionFilterToExclude `
                                         -IncludeVersions $false
}

$versionsToBuild = Get-VersionsToBuild -VersionsFromManifest $versionsFromManifest `
                                       -VersionsFromDist $formattedVersions

if ([string]::IsNullOrEmpty($versionsToBuild)) {
    Write-Host "There isn't versions to build"
    return $null
} else {
    Write-Host "The following versions are available to build:`n$versionsToBuild"
    return "$versionsToBuild"
}