#!/usr/bin/env bash
set -euo pipefail
IFS=$'\n\t'

# Usage: ./tag.sh [TAG_NAME]
# Par défaut, TAG_NAME="dev-test"

TAG_NAME="${1:-dev-test}"

ROOT_DIR="/home/desk/code/4NK_dev"
cd "$ROOT_DIR"

echo "[tag] repository racine: $(basename "$ROOT_DIR") -> ${TAG_NAME}"
DEV_HEAD=$(git rev-parse --verify refs/heads/dev)
if git show-ref --tags --quiet --verify "refs/tags/${TAG_NAME}"; then
  git tag -d "${TAG_NAME}" >/dev/null
  git push origin ":refs/tags/${TAG_NAME}" >/dev/null || true
fi
git tag -a "${TAG_NAME}" -m "CI ${TAG_NAME} trigger" "${DEV_HEAD}"
git push origin "refs/tags/${TAG_NAME}"

echo "[tag] lecture des submodules depuis .gitmodules"
mapfile -t SUBS < <(git config -f .gitmodules --name-only --get-regexp 'submodule\..*\.path' | sed -E 's/\.path$//')

for NAME in "${SUBS[@]}"; do
  PATHsm=$(git config -f .gitmodules --get "${NAME}.path" || true)
  URLsm=$(git config -f .gitmodules --get "${NAME}.url" || true)
  BRANCHsm=$(git config -f .gitmodules --get "${NAME}.branch" || echo dev)

  if [ -z "$PATHsm" ] || [ -z "$URLsm" ]; then
    echo "[tag][warn] entrée incomplète: ${NAME}, ignorée"
    continue
  fi

  if [ ! -d "$PATHsm" ]; then
    echo "[tag][warn] dossier manquant: $PATHsm, on saute"
    continue
  fi

  echo "[tag] ${PATHsm} (${URLsm}) -> ${TAG_NAME} sur branche ${BRANCHsm}"
  (
    cd "$PATHsm"
    git fetch --all --prune || true
    # Tente checkout de la branche cible si disponible
    if git rev-parse --verify "origin/${BRANCHsm}" >/dev/null 2>&1; then
      git checkout "${BRANCHsm}" || git checkout -b "${BRANCHsm}" "origin/${BRANCHsm}" || true
      git pull --ff-only || true
    else
      echo "[tag][info] branche ${BRANCHsm} introuvable, utilisation de la branche courante"
    fi

    # Supprime le tag local/distant si déjà présent
    if git show-ref --tags --quiet --verify "refs/tags/${TAG_NAME}"; then
      git tag -d "${TAG_NAME}" >/dev/null || true
      git push origin ":refs/tags/${TAG_NAME}" >/dev/null || true
    fi

    HEAD_SHA=$(git rev-parse --verify HEAD)
    git tag -a "${TAG_NAME}" -m "CI ${TAG_NAME} trigger" "${HEAD_SHA}"
    git push origin "refs/tags/${TAG_NAME}"
  ) || echo "[tag][warn] échec sur ${PATHsm}, on continue"
done

echo "[tag] terminé: ${TAG_NAME} posé sur le repo racine et submodules accessibles"