#!/usr/bin/env bash
# Bootstrap a local development .env and dependencies.
set -euo pipefail

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

EXAMPLE=".env.example"
ENV_FILE=".env"

if [[ ! -f "$EXAMPLE" ]]; then
  echo "error: missing $EXAMPLE" >&2
  exit 1
fi

created_env=0
if [[ ! -f "$ENV_FILE" ]]; then
  cp "$EXAMPLE" "$ENV_FILE"
  created_env=1

  if command -v openssl >/dev/null 2>&1; then
    secret="$(openssl rand -base64 48 | tr -d '\n')"
  elif command -v python3 >/dev/null 2>&1; then
    secret="$(python3 -c 'import secrets; print(secrets.token_urlsafe(48))')"
  else
    secret="dev-$(date +%s)-please-change-this-secret-value-now"
  fi

  # Portable in-place replace for SESSION_SECRET
  tmp="$(mktemp)"
  awk -v secret="$secret" '
    BEGIN { replaced = 0 }
    /^SESSION_SECRET=/ {
      print "SESSION_SECRET=" secret
      replaced = 1
      next
    }
    { print }
    END {
      if (!replaced) {
        print "SESSION_SECRET=" secret
      }
    }
  ' "$ENV_FILE" > "$tmp"
  mv "$tmp" "$ENV_FILE"

  echo "Created $ENV_FILE with a generated SESSION_SECRET."
  echo "Edit MIGADU_USER and MIGADU_API_KEY before calling Migadu."
else
  echo "Using existing $ENV_FILE."
fi

mkdir -p data

# Ensure node deps for Vite
if [[ -d web ]]; then
  (cd web && npm install --silent)
fi

# Friendly reminder when placeholders remain
if grep -Eq '^MIGADU_USER=(you@example\.com)?[[:space:]]*$' "$ENV_FILE" \
  || grep -Eq '^MIGADU_API_KEY=(your-migadu-api-key)?[[:space:]]*$' "$ENV_FILE"; then
  echo
  echo "Note: set real MIGADU_USER / MIGADU_API_KEY in .env to load domains."
  echo "Auth/UI still work locally without them until you open Domains."
fi

if [[ "$created_env" -eq 1 ]]; then
  echo
  echo "Dev defaults ready. Next: make dev"
fi