#!/bin/bash
set -euo pipefail

# Find repo root
REPO_ROOT=$(git rev-parse --show-toplevel 2>/dev/null || true)

if [ -z "$REPO_ROOT" ]; then
  echo "❗ Could not detect Git repo root. Are you inside a Git repo?"
  exit 2
fi

# Go up three directories from the current folder
pushd ../../../
INSTANCE_DIR=$(pwd)
INSTANCE_NAME="$(basename $(pwd))"
popd

echo "🔎 Detected instance: $INSTANCE_NAME"

# Find the real terragrunt.hcl location
TERRAGRUNT_HCL="${INSTANCE_DIR}/terragrunt.hcl"

if [ ! -f "$TERRAGRUNT_HCL" ]; then
  echo "❗ terragrunt.hcl not found at expected location: $TERRAGRUNT_HCL"
  exit 3
fi

# Extract node_name from terragrunt.hcl
NODE_NAME=$(grep 'node_name *= *' "$TERRAGRUNT_HCL" | sed -E 's/.*=\s*"([^"]+)".*/\1/')

if [ -z "$NODE_NAME" ]; then
  echo "❗ node_name not found in $TERRAGRUNT_HCL"
  exit 4
fi

# Set config file path
YAML_FILE="${REPO_ROOT}/config/nodes/${NODE_NAME}/config.yaml"

if [ ! -f "$YAML_FILE" ]; then
  echo "❗ Config file $YAML_FILE not found!"
  exit 5
fi

echo "✔️ Exporting environment variables from $YAML_FILE"

# Export vars
export NODE_ADDR=$(yq eval '.node_addr' "$YAML_FILE")
export NODE_PORT=$(yq eval '.node_port' "$YAML_FILE")
export NODE_NAME="${NODE_NAME}"

# Echo for debugging
echo "NODE_ADDR=$NODE_ADDR"
echo "NODE_PORT=$NODE_PORT"
echo "NODE_NAME=$NODE_NAME"