#!/bin/bash

# Function to create HelmChart YAML
createHelmYaml() {
  # Load values from Chart.yaml
  chart_version=$(yq e '.dependencies[0].version' Chart.yaml)
  chart_name=$(yq e '.name' Chart.yaml)
  chart_repo=$(yq e '.dependencies[0].repository' Chart.yaml)
  chart_namespace=$(yq e '.annotations.namespace' Chart.yaml)

  # Check if chart_namespace is empty and default to chart_name if it is
  if [[ -z "$chart_namespace" ]]; then
    chart_namespace="$chart_name"
  fi

  # Determine the correct chart and repo values based on chart_repo
  if [[ $chart_repo == oci://* ]]; then
    chart="${chart_repo}/${chart_name}"
  else
    repo="$chart_repo"
    chart="$chart_name"
  fi

  # Load the raw content of values.yaml
  values_content=$(cat values.yaml)

  # Create HelmChart content in a variable
  helm_chart_yaml=$(yq eval -n ".apiVersion = \"helm.cattle.io/v1\" |
    .kind = \"HelmChart\" |
    .metadata.name = \"$chart_name\" |
    .metadata.namespace = \"$chart_namespace\" |
    .spec.chart = \"$chart\" |
    .spec.version = \"$chart_version\" |
    .spec.targetNamespace = \"$chart_namespace\" |
    .spec.valuesContent = \"$values_content\"")

  # If repo is set, add it to the spec
  if [[ -n "$repo" ]]; then
    helm_chart_yaml=$(echo "$helm_chart_yaml" | yq eval ".spec.repo = \"$repo\"")
  fi

  # Print the final YAML to stdout
  echo "$helm_chart_yaml"
}

# if actions is not set
if [[ -z "$action" ]]; then
  action="print"
fi
echo "# action: $action"

# if KUBECONFIG_DATA is set
if [[ -n "$KUBECONFIG_DATA" ]]; then
  mkdir -p /home/notroot/.kube
  echo "$KUBECONFIG_DATA" > /home/notroot/.kube/config
  echo "# .kube/config is set"
fi

# Check if the action environment variable is set to 'print'
if [[ "$action" == "print" ]]; then
  createHelmYaml
elif [[ "$action" == "deploy" ]] && [[ -n "$KUBECONFIG_DATA" ]]; then
  kubectl version --kubeconfig=/home/notroot/.kube/config
  createHelmYaml | tee | kubectl apply -v --dry-run -f -
elif [[ "$action" == "deploy" ]]; then
  echo "# no .kube/config set"
  kubectl version --client=true
elif [[ "$action" == "debug" ]]; then
  echo "# dumping files"
  find . -type f -print -exec cat {} \;
  echo "# Computed file"
  createHelmYaml
else
  echo "# invalid action"
fi