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

ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/../../.." && pwd)"
TESTBED="$ROOT/tests/kind"
RUNTIME="${NUTHATCH_TESTBED_RUNTIME:-$TESTBED/.runtime}"
BIN="$RUNTIME/bin"
KUBECONFIG_PATH="$RUNTIME/kubeconfig"
FIXTURE_LOCK_DIR="${XDG_RUNTIME_DIR:-/tmp/nuthatch-$(id -u)}"
FIXTURE_LOCK_PATH="$FIXTURE_LOCK_DIR/nuthatch-testbed-kind.lock"
CONTEXT=kind-nuthatch-testbed
CLUSTER=nuthatch-testbed
NERDCTL_NAMESPACE=nuthatch-testbed
FIXTURE_NAMESPACE=nuthatch-testbed
FIXTURE_MODULES="$TESTBED/fixture"

set -a
source "$TESTBED/versions.env"
set +a

user_kubeconfig_digest() {
  local config_value="${KUBECONFIG:-${HOME:?}/.kube/config}"
  local path
  local paths
  IFS=: read -r -a paths <<< "$config_value"
  {
    for path in "${paths[@]}"; do
      if [[ -f "$path" ]]; then
        sha256sum "$path"
      else
        printf 'missing %s\n' "$path"
      fi
    done
  } | sha256sum | cut -d' ' -f1
}

acquire_fixture_lock() {
  mkdir -p "$RUNTIME" "$FIXTURE_LOCK_DIR"
  exec 9>"$FIXTURE_LOCK_PATH"
  if ! flock --nonblock 9; then
    printf 'kind test fixture is already in use\n' >&2
    return 1
  fi
}

kube() {
  "$BIN/kubectl" \
    --kubeconfig "$KUBECONFIG_PATH" \
    --context "$CONTEXT" \
    "$@"
}

wait_for_job() {
  local job="$1"
  local deadline=$((SECONDS + 300))
  local complete
  local failed
  while ((SECONDS < deadline)); do
    complete="$(kube --namespace "$FIXTURE_NAMESPACE" get "job/$job" --output jsonpath='{.status.conditions[?(@.type=="Complete")].status}')"
    if [[ "$complete" = True ]]; then
      kube --namespace "$FIXTURE_NAMESPACE" logs "job/$job" --all-containers
      return
    fi
    failed="$(kube --namespace "$FIXTURE_NAMESPACE" get "job/$job" --output jsonpath='{.status.conditions[?(@.type=="Failed")].status}')"
    if [[ "$failed" = True ]]; then
      kube --namespace "$FIXTURE_NAMESPACE" logs "job/$job" --all-containers >&2 || true
      return 1
    fi
    sleep 1
  done
  printf 'job/%s did not complete within 300 seconds\n' "$job" >&2
  return 1
}

source "$FIXTURE_MODULES/runtime.sh"
source "$FIXTURE_MODULES/matrix.sh"
source "$FIXTURE_MODULES/durable.sh"
source "$FIXTURE_MODULES/coordination.sh"
source "$FIXTURE_MODULES/target.sh"
source "$FIXTURE_MODULES/oidc.sh"
source "$FIXTURE_MODULES/dependencies.sh"
source "$FIXTURE_MODULES/profile.sh"
source "$FIXTURE_MODULES/lifecycle.sh"

destroy_fixture() {
  local status=0
  configure_provider || return
  delete_cluster || status=1
  remove_runtime_namespace || status=1
  rm -rf "$RUNTIME/image-archives" || status=1
  rm -f \
    "$KUBECONFIG_PATH" \
    "$RUNTIME/dependencies.yaml" \
    "$RUNTIME/probe.yaml" \
    "$RUNTIME/fixture.env" \
    "$RUNTIME"/nuthatch-fixture-lane-*.env \
    "$RUNTIME"/nuthatch-fixture-lane-*.env.oidc-secret \
    "$RUNTIME"/*-app-*.yaml || status=1
  return "$status"
}