#!/usr/bin/env bash

set -euo pipefail

remote_config=${CONFIG_PATH}
local_config=/tmp/base-config.yaml
bucket_name=${remote_config#s3://}
bucket_name=${bucket_name%%/*}
output_bucket_region=$(aws s3api get-bucket-location --bucket=$bucket_name --query="LocationConstraint" \
  --region=us-west-2 --output=text --no-cli-pager)
aws s3 cp ${remote_config} ${local_config} --region=$output_bucket_region

app_repo=tidbcloud/app-delivery
git_ref="main"
region=$(yq '.region' "${local_config}")
logical_region_name=$(yq '.name' "${local_config}")
env=$(yq '.env' "${local_config}")
vendor=$(yq '.cloudProvider' "${local_config}")
jobId=$(yq '.jobId' "${local_config}")

o11y_eks_remote_output=$(yq '.jobOutput.o11y-eks' "${local_config}")
o11y_eks_local_output=/tmp/o11y-eks-output.yaml
aws s3 cp ${o11y_eks_remote_output} ${o11y_eks_local_output}  --region=$output_bucket_region
cluster=$(yq '.cluster_name' "${o11y_eks_local_output}")

if [ -z "$hosted_zone_name" ]; then
  if [ "$env" == "prod" ]; then
      hosted_zone_name="observability.tidbcloud.com"
  else
      hosted_zone_name="observability-$env.pingcap.cloud"
  fi
fi

if [ -z "$ds_domain_name" ]; then
  ds_domain_name=www.ds.$logical_region_name.aws.$hosted_zone_name
fi

datasource_name="Loki-${vendor}-${logical_region_name}"
url="https://${ds_domain_name}/loki/self-monitoring"
params="-f env="$env" -f name="${datasource_name}" -f url="${url}" -f jobId=${jobId}"

# Create pull request by invoking new-region workflow.
gh workflow run add-loki-datasource.yaml --repo ${app_repo} --ref ${git_ref} ${params}