#!/usr/bin/env bash
# tests/run_tests.sh
# Entry point for the trbldoc test suite.
# Requires bats-core: https://github.com/bats-core/bats-core
#
# Quick install (pick one):
#   npm install -g bats
#   brew install bats-core
#   git clone https://github.com/bats-core/bats-core ~/.bats && ~/.bats/install.sh /usr/local
#
# Usage:
#   bash tests/run_tests.sh           # run all tests
#   bash tests/run_tests.sh unit      # run only unit tests
#   bash tests/run_tests.sh integration  # run only integration tests

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BATS_TEST_FILENAME:-${BASH_SOURCE[0]}}")" && pwd)"
REPO_ROOT="$(cd "$SCRIPT_DIR/.." && pwd)"

# ── bats check ──────────────────────────────────────────────────────────────
if ! command -v bats &>/dev/null; then
  echo "ERROR: bats is not installed or not on PATH." >&2
  echo "Install with one of:" >&2
  echo "  npm install -g bats" >&2
  echo "  brew install bats-core" >&2
  echo "  git clone https://github.com/bats-core/bats-core ~/.bats && ~/.bats/install.sh /usr/local" >&2
  exit 1
fi

# ── suite selection ──────────────────────────────────────────────────────────
TARGET="${1:-all}"

case "$TARGET" in
  unit)
    SUITE_DIRS=("$SCRIPT_DIR/unit")
    ;;
  integration)
    SUITE_DIRS=("$SCRIPT_DIR/integration")
    ;;
  all)
    SUITE_DIRS=("$SCRIPT_DIR/unit" "$SCRIPT_DIR/integration")
    ;;
  *)
    echo "Usage: $0 [all|unit|integration]" >&2
    exit 1
    ;;
esac

# Export so bats test files can locate project files
export REPO_ROOT

echo "Running trbldoc test suite (target: $TARGET)"
echo "bats $(bats --version)"
echo ""

bats --print-output-on-failure "${SUITE_DIRS[@]}"