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

# Run the app locally without Docker.
# Loads environment variables from .env and the Eloverblik refresh token from .token.

ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
cd "$ROOT_DIR"

load_env_file() {
  local file="$1"

  [[ -f "$file" ]] || return 0

  while IFS= read -r line || [[ -n "$line" ]]; do
    # Trim CR from CRLF files.
    line="${line%$'\r'}"

    # Skip blank lines and full-line comments.
    [[ -z "${line//[[:space:]]/}" || "$line" =~ ^[[:space:]]*# ]] && continue

    # Allow lines prefixed with "export ".
    line="${line#export }"

    local key="${line%%=*}"
    local value="${line#*=}"

    # Trim whitespace around the key only; preserve value contents (e.g. JDBC_URL query strings).
    key="$(printf '%s' "$key" | xargs)"

    if [[ ! "$key" =~ ^[A-Za-z_][A-Za-z0-9_]*$ || "$line" != *=* ]]; then
      echo "Skipping invalid env line in $file: $line" >&2
      continue
    fi

    # Remove one matching pair of surrounding quotes, if present.
    if [[ "$value" =~ ^\".*\"$ || "$value" =~ ^\'.*\'$ ]]; then
      value="${value:1:${#value}-2}"
    fi

    export "$key=$value"
  done < "$file"
}

load_env_file ".env"

if [[ -f ".token" && -z "${ELOVERBLIK_TOKEN:-}" ]]; then
  ELOVERBLIK_TOKEN="$(tr -d '\r\n' < .token)"
  export ELOVERBLIK_TOKEN
fi

: "${PORT:=3000}"
export PORT

# Energi Data Service currently serves only the leaf certificate. Allow the JVM
# to fetch missing intermediate CA certificates from the certificate AIA URL.
export JAVA_TOOL_OPTIONS="${JAVA_TOOL_OPTIONS:-} -Dcom.sun.security.enableAIAcaIssuers=true"

echo "Starting elprice locally on port $PORT (no Docker)..."

# `clj` requires rlwrap for REPL command editing. Fall back to `clojure`
# when rlwrap is not installed so the app can still start.
if command -v rlwrap >/dev/null 2>&1; then
  exec clj -M:dev -e "(dev-prep!) (go)" -r
else
  echo "rlwrap not found; using clojure instead of clj (REPL editing disabled)." >&2
  exec clojure -M:dev -e "(dev-prep!) (go)" -r
fi