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

# Release guard script
# Checks: tests, docs updated, compile, version ↔ changelog ↔ tag consistency, release type

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

mode="${RELEASE_TYPE:-ci-verify}"   # values: latest | wip | ci-verify

echo "[release-guard] mode=$mode"

# 1) Basic presence checks
[[ -f CHANGELOG.md ]] || { echo "CHANGELOG.md manquant"; exit 1; }
version_file="VERSION"
[[ -f TEMPLATE_VERSION ]] && version_file="TEMPLATE_VERSION"
[[ -f "$version_file" ]] || { echo "$version_file manquant"; exit 1; }

# 2) Extract version
project_version=$(tr -d '\r' < "$version_file" | head -n1 | sed 's/^v//')
[[ -n "$project_version" ]] || { echo "Version vide dans $version_file"; exit 1; }
echo "[release-guard] version=$project_version"

# 3) Changelog checks
if ! grep -Eq "^## \\[$project_version\\]" CHANGELOG.md; then
  if [[ "$mode" == "wip" ]]; then
    grep -Eq "^## \\[Unreleased\\]" CHANGELOG.md || { echo "Section [Unreleased] absente du CHANGELOG"; exit 1; }
  else
    echo "Entrée CHANGELOG pour version $project_version manquante"; exit 1;
  fi
fi

# 4) Tests (optional best-effort)
if [[ -x tests/run_all_tests.sh ]]; then
  echo "[release-guard] exécution tests/run_all_tests.sh"
  ./tests/run_all_tests.sh || { echo "Tests en échec"; exit 1; }
else
  echo "[release-guard] tests absents (ok)"
fi

# 5) Build/compile (optional based on project)
if [[ -d sdk_relay ]] && command -v cargo >/dev/null 2>&1; then
  echo "[release-guard] cargo build (sdk_relay)"
  (cd sdk_relay && cargo build --quiet) || { echo "Compilation échouée"; exit 1; }
else
  echo "[release-guard] build spécifique non applicable (ok)"
fi

# 6) Release type handling
case "$mode" in
  latest)
    ;;
  wip)
    # En wip, autoriser versions suffixées; pas d’exigence d’entrée datée
    ;;
  ci-verify)
    # En CI, on valide juste la présence de CHANGELOG et version
    ;;
  *)
    echo "RELEASE_TYPE invalide: $mode (latest|wip|ci-verify)"; exit 1;
    ;;
esac

echo "[release-guard] OK"