#!/usr/bin/env bash
set -euo pipefail

repo_root="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
state_file="$repo_root/apps/nxtgauge-backend-rust/overlays/prod/backend-release-state.tsv"
release_file="$repo_root/apps/nxtgauge-backend-rust/overlays/prod/release-patches.yaml"
disabled_file="$repo_root/apps/nxtgauge-backend-rust/overlays/prod/disabled-deployments.yaml"

: > "$release_file"
: > "$disabled_file"
release_first=true
disabled_first=true

while IFS=$'\t' read -r service digest replicas; do
  [ -n "$service" ] || continue
  deployment="nxtgauge-rust-$service"
  container="$service"

  if [ "$digest" != "-" ]; then
    if [ "$release_first" = false ]; then
      printf '%s\n' '---' >> "$release_file"
    fi
    release_first=false
    cat >> "$release_file" <<PATCH
apiVersion: apps/v1
kind: Deployment
metadata:
  name: $deployment
spec:
  replicas: $replicas
  template:
    spec:
      containers:
        - name: $container
          image: ci.nxtgauge.com/ashwin/nxtgauge-rust-$service@$digest
PATCH
  fi

  if [ "$replicas" = "0" ]; then
    if [ "$disabled_first" = false ]; then
      printf '%s\n' '---' >> "$disabled_file"
    fi
    disabled_first=false
    cat >> "$disabled_file" <<PATCH
apiVersion: apps/v1
kind: Deployment
metadata:
  name: $deployment
spec:
  replicas: 0
PATCH
  fi
done < "$state_file"