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

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

# Local development settings live in .env. RustBox reads environment variables
# from the process; it does not parse dotenv files itself. Export the file here
# before applying development defaults so explicit .env values always win.
ENV_FILE="${RUSTBOX_ENV_FILE:-$ROOT/.env}"
if [ -f "$ENV_FILE" ]; then
  set -a
  # shellcheck disable=SC1090
  . "$ENV_FILE"
  set +a
fi

if ! command -v cargo >/dev/null 2>&1; then
  echo "error: Rust/Cargo is required" >&2
  exit 1
fi

mkdir -p "$ROOT/.dev/data"
export RUSTBOX_CONFIG="${RUSTBOX_CONFIG:-$ROOT/config.dev.toml}"
export DATA_DIR="${DATA_DIR:-$ROOT/.dev/data}"

# Keep application debugging useful without enabling verbose INFO/DEBUG output
# from every dependency. A legacy/simple RUST_LOG level from .env is scoped to
# RustBox automatically; explicit directive filters (containing '=' or ',') are
# respected exactly as provided.
case "${RUST_LOG:-}" in
  ""|debug)
    export RUST_LOG="warn,rustbox=debug,tower_http=info"
    ;;
  trace)
    export RUST_LOG="warn,rustbox=trace,tower_http=debug"
    ;;
  info)
    export RUST_LOG="warn,rustbox=info,tower_http=info"
    ;;
  warn|error|off)
    export RUST_LOG="${RUST_LOG}"
    ;;
  *)
    export RUST_LOG="${RUST_LOG}"
    ;;
esac

if [ ! -f "$RUSTBOX_CONFIG" ]; then
  echo "error: config not found: $RUSTBOX_CONFIG" >&2
  exit 1
fi

echo "RustBox: http://127.0.0.1:3001"
display_path() {
  local value="$1"
  if [[ "$value" == "$ROOT"/* ]]; then
    printf './%s' "${value#"$ROOT"/}"
  else
    printf '%s' "$(basename "$value")"
  fi
}

echo "Config: $(display_path "$RUSTBOX_CONFIG")"
echo "Data:   $(display_path "$DATA_DIR")"
if [ -f "$ENV_FILE" ]; then
  echo "Env:    $(display_path "$ENV_FILE")"
fi
echo "IMAP:   ${IMAP_HOST:-localhost}:${IMAP_PORT:-993}"
echo "SMTP:   ${SMTP_HOST:-${IMAP_HOST:-localhost}}:${SMTP_PORT:-587}"
echo

cargo run --quiet --bin rustbox -- --check-config
exec cargo run --bin rustbox -- "$@"