#!/usr/bin/env bash

set -euo pipefail

ROOT=$(cd $(dirname ${BASH_SOURCE[0]}) && pwd)
source ${ROOT}/lib.sh

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

o11y_repo=tidbcloud/observability
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}")
cluster=$(yq '.k8s.name' "${local_config}")
jobId=$(yq '.jobId' "${local_config}")
output=$(yq '.outputPath' "${local_config}")
account=$(yq '.aws.controlplaneAccount' "${local_config}")
imageRegistry=$(yq '.imageRegistry' "${local_config}")

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

vmclusterRoleARN="arn:aws:iam::${account}:role/vmbackup-${cluster}"
vmclusterBucketName=o11y-${env}-shared-${logical_region_name}
lokiBucketName=loki-${env}-${logical_region_name}-o11y
lokiRoleARN="arn:aws:iam::${account}:role/loki-${cluster}"
nginxReadIngressClass="nginx-read"
nginxWriteIngressClass="nginx-write"

if ! aws s3api head-bucket --bucket "$vmclusterBucketName" 2>/dev/null; then
    echo "o11y bucket $vmclusterBucketName does not exist, creating..."
    aws s3 mb --region $region "s3://$vmclusterBucketName"
    echo "o11y bucket $vmclusterBucketName created"
else
    echo "o11y bucket $vmclusterBucketName already exists"
fi

if ! aws s3api head-bucket --bucket "$lokiBucketName" 2>/dev/null; then
    echo "loki bucket $lokiBucketName does not exist, creating..."
    aws s3 mb --region $region "s3://$lokiBucketName"
    echo "loki bucket $lokiBucketName created"
    aws s3api put-bucket-lifecycle-configuration --bucket "$lokiBucketName" \
        --lifecycle-configuration file://$ROOT/lifecycle.json
    echo "Lifecycle configuration for loki bucket $lokiBucketName set"
else
    echo "loki bucket $lokiBucketName already exists"
fi

args=$(cat <<EOF
{
  "vmclusterBucketName": "$vmclusterBucketName",
  "vmclusterRoleARN": "$vmclusterRoleARN",
  "lokiBucketName": "$lokiBucketName",
  "lokiRoleARN": "$lokiRoleARN",
  "nginxReadIngressClass": "$nginxReadIngressClass",
  "nginxWriteIngressClass": "$nginxWriteIngressClass",
  "imageRegistry": "$imageRegistry",
  "hostedZoneName": "$hosted_zone_name"
}
EOF
)
echo "args: $args"


common_params="-f vendor=${vendor} -f region=${region} -f logicalRegionName=${logical_region_name} -f env=${env} -f cluster=${cluster} -f jobId=${jobId}"
# Create pull request by invoking new-region workflow.
gh workflow run new-region-dataplane.yaml --repo ${o11y_repo} --ref ${git_ref} ${common_params} -f args="${args}"
wait_workflow_run_to_merge new-region-dataplane.yaml ${o11y_repo}
if [[ $? -eq 1 ]]; then
    echo "Workflow failed"
    exit 1
fi

# Deploy application services by invoking infra-cd workflow
gh workflow run dataplane-cd.yaml --repo ${o11y_repo} --ref ${git_ref} -f env=${env} -f region=${logical_region_name} -f vendor=${vendor} -f git-ref=${git_ref}

# Wait services ready
declare -A ss
ss["sts/vmstorage-vmcluster -n observability"]="false"
ss["sts/vmselect-vmcluster -n observability"]="false"
ss["deploy/vminsert-vmcluster -n observability"]="false"
ss["sts/loki-ha-write -n observability"]="false"
ss["deploy/loki-ha-read -n observability"]="false"
ss["sts/loki-ha-backend -n observability"]="false"
ss["sts/alertmanager-alert-regional -n default"]="false"
# ss["deploy/sli-reporter -n sli-reporter"]="false"

wait_for_services_ready ss
if [[ $? -eq 1 ]]; then
    echo "Services are not ready"
    exit 1
fi