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

TARGET_BRANCH="${1:-main}"
SOURCE_BRANCH="${2:-}"

if [[ -z "$SOURCE_BRANCH" ]]; then
  SOURCE_BRANCH="$(git rev-parse --abbrev-ref HEAD)"
fi

if [[ "$SOURCE_BRANCH" == "$TARGET_BRANCH" ]]; then
  echo "Déjà sur $TARGET_BRANCH"; exit 0
fi

# Valider localement avant merge
AUTO_FIX="${AUTO_FIX:-1}" SCOPE="${SCOPE:-all}" scripts/agents/run.sh || true
if [ -f scripts/security/audit.sh ]; then bash scripts/security/audit.sh || true; fi

git fetch origin --prune
git checkout "$TARGET_BRANCH"
git pull --ff-only origin "$TARGET_BRANCH" || true
git merge --no-ff "$SOURCE_BRANCH" -m "[skip ci] merge: $SOURCE_BRANCH -> $TARGET_BRANCH"
git push origin "$TARGET_BRANCH"

echo "Merge effectué: $SOURCE_BRANCH → $TARGET_BRANCH"