#! /snap/bin/pwsh

function Get-VersionFromBranch {
    $branch = git rev-parse --abbrev-ref HEAD
    $versions = $branch.Split('.')
    $major = "0"
    $minor = "0"
    $micro = "0"

    if ($versions.Count -gt 0) {
        $major = $versions[0]
    }

    if ($versions.Count -gt 1) {
        $minor = $versions[1]
    }

    if ($versions.Count -gt 2) {
        $micro = $versions[2]
    }

    return $major, $minor, $micro
}

function Get-VersionAsJSON([string]$major, [string]$minor, [string]$micro) {
    return @{
        "Major" = "$major"
        "Minor" = "$minor"
        "Micro" = "$micro"
    } | ConvertTo-Json
}

function Get-AppsettingsAsJSON() {
    return Get-Content -Raw -Path "./appsettings.json" | ConvertFrom-Json
}

function Set-AppsettingsAsJSON($settings) {
    $settings | ConvertTo-Json | Out-File "./appsettings.json"
}

function Set-VersionFromBranch([string]$major, [string]$minor, [string]$micro) {
    $versionJSON = Get-VersionAsJSON $major $minor $micro
    $appsettings = Get-AppsettingsAsJSON

    $appsettings.API.ApiVersion.Major = $major
    $appsettings.API.ApiVersion.Minor = $minor
    $appsettings.API.ApiVersion.Micro = $micro
    Set-AppsettingsAsJSON $appsettings
}

$res = Get-VersionFromBranch
Set-VersionFromBranch $res[0] $res[1] $res[2]