setup.sh

#!/usr/bin/env bash
# =============================================================================
# setup.sh — One-shot environment setup for OpenCoroutineProxy
#
# Run this once after cloning the repository. It generates the Gradle wrapper
# binary (gradlew + gradle-wrapper.jar) which is required for all subsequent
# build commands.
#
# Prerequisites:
#   - Gradle 8.x installed  →  https://gradle.org/install/
#   - Java 21+              →  https://adoptium.net/
#   - Docker (optional)     →  https://docs.docker.com/get-docker/
# =============================================================================
set -euo pipefail

ok()   { echo "[OK]   $*"; }
info() { echo "[INFO] $*"; }
err()  { echo "[ERR]  $*" >&2; exit 1; }

echo "============================================="
echo "  OpenCoroutineProxy — Environment Setup"
echo "============================================="

# ── Java check ─────────────────────────────────────────────────────────────────
if ! command -v java &>/dev/null; then
  err "Java not found. Install Java 21+ from https://adoptium.net/"
fi
JAVA_VERSION=$(java -version 2>&1 | head -1 | grep -oP '(?<=version ")[^"]+')
info "Java version: $JAVA_VERSION"

# ── Gradle wrapper generation ──────────────────────────────────────────────────
if ! command -v gradle &>/dev/null; then
  err "Gradle not found. Install from https://gradle.org/install/ then re-run this script."
fi

info "Generating Gradle wrapper (version 8.8)..."
gradle wrapper --gradle-version 8.8 --distribution-type bin
chmod +x gradlew
ok "Gradle wrapper generated — you can now use ./gradlew instead of gradle"

# ── Dependency pre-fetch ───────────────────────────────────────────────────────
info "Pre-fetching dependencies (this may take a minute on first run)..."
./gradlew dependencies --no-daemon --quiet 2>/dev/null && ok "Dependencies downloaded" || true

# ── Docker check (optional) ───────────────────────────────────────────────────
if command -v docker &>/dev/null; then
  ok "Docker found: $(docker --version)"
else
  info "Docker not found — Docker-based tests (make docker-test) will not be available"
fi

echo
echo "============================================="
echo "  Setup complete. Next steps:"
echo ""
echo "  Run unit + integration tests:"
echo "    ./gradlew test"
echo ""
echo "  Run the proxy locally:"
echo "    ./gradlew bootRun"
echo ""
echo "  Full Docker test pipeline:"
echo "    make docker-test"
echo ""
echo "  Gatling load test (proxy must be running):"
echo "    make load-test"
echo "============================================="