Param(
    [parameter(Mandatory=$false)][string]$registry,
    [parameter(Mandatory=$false)][string]$dockerUser,
    [parameter(Mandatory=$false)][string]$dockerPassword,
    [parameter(Mandatory=$false)][string]$externalDns,
    [parameter(Mandatory=$false)][string]$appName="eshop",
    [parameter(Mandatory=$false)][bool]$deployInfrastructure=$true,
    [parameter(Mandatory=$false)][bool]$clean=$true,
    [parameter(Mandatory=$false)][string]$aksName="",
    [parameter(Mandatory=$false)][string]$aksRg="",
    [parameter(Mandatory=$false)][string]$imageTag="latest"
)

$dns = $externalDns

if ($externalDns -eq "aks") {
    if  ([string]::IsNullOrEmpty($aksName) -or [string]::IsNullOrEmpty($aksRg)) {
        Write-Host "Error: When using -dns aks, MUST set -aksName and -aksRg too." -ForegroundColor Red
        exit 1
    }
    Write-Host "Getting DNS of AKS of AKS $aksName (in resource group $aksRg)..." -ForegroundColor Green
    $dns = $(az aks show -n $aksName  -g $aksRg --query addonProfiles.httpApplicationRouting.config.HTTPApplicationRoutingZoneName)
    if ([string]::IsNullOrEmpty($dns)) {
        Write-Host "Error getting DNS of AKS $aksName (in resource group $aksRg). Please ensure AKS has httpRouting enabled AND Azure CLI is logged & in version 2.0.37 or higher" -ForegroundColor Red
        exit 1
    }
    $dns = $dns -replace '[\"]'
    Write-Host "DNS base found is $dns. Will use $appName.$dns for the app!" -ForegroundColor Green
    $dns = "$appName.$dns"
}

# Initialization & check commands
if ([string]::IsNullOrEmpty($dns)) {
    Write-Host "No DNS specified. Ingress resources will be bound to public ip" -ForegroundColor Yellow
}

if ($clean) {
    Write-Host "Cleaning previous helm releases..." -ForegroundColor Green
    helm delete --purge $(helm ls -q) 
    Write-Host "Previous releases deleted" -ForegroundColor Green
}

$useDockerHub = [string]::IsNullOrEmpty($registry)

Write-Host "Begin eShopOnContainers installation using Helm" -ForegroundColor Green

$infras = ("sql-data", "nosql-data", "rabbitmq", "keystore-data", "basket-data")
$charts = ("eshop-common", "apigwmm", "apigwms", "apigwwm", "apigwws", "basket-api","catalog-api", "-api", "locations-api", "marketing-api", "mobileshoppingagg","ordering-api","ordering-backgroundtasks","ordering-signalrhub", "payment-api", "webmvc", "webshoppingagg", "webspa", "webstatus")

if ($deployInfrastructure) {
    foreach ($infra in $infras) {
        Write-Host "Installing infrastructure: $infra" -ForegroundColor Green
        helm install --values app.yaml --values inf.yaml --values ingress_values.yaml --set appName=$appName --set inf.k8s.dns=$dns --name="$appName-$infra" $infra     
    }
}

foreach ($chart in $charts) {
    Write-Host "Installing: $chart" -ForegroundColor Green
    helm install --values app.yaml --values inf.yaml --values ingress_values.yaml --set appName=$appName --set inf.k8s.dns=$dns --set image.tag=$imageTag --name="$appName-$chart" $chart 
}

Write-Host "helm charts installed." -ForegroundColor Green