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

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

TUBCO_NAME="bostame"
TUBCO_EMAIL="mdbayazid@tub.co"

usage() {
  cat <<'EOF'
Usage:
  ./scripts/git_remote_target.sh status
  ./scripts/git_remote_target.sh push-origin [ref]
  ./scripts/git_remote_target.sh push-tubco [ref]
  ./scripts/git_remote_target.sh set-own-identity
  ./scripts/git_remote_target.sh set-tubco-identity

Commands:
  status
      Show current branch, current commit, active local git identity, configured remotes,
      and the local push-safety settings.

  push-origin [ref]
      Push a ref to the main product remote "origin".
      Default ref: current branch

  push-tubco [ref]
      Push a ref to the TUBCO customer remote "tubco".
      Default ref: release/tubco-v1

  set-own-identity
      Remove the repo-local git user.name and user.email so this repo falls back to your normal identity.

  set-tubco-identity
      Set the repo-local git identity to the TUBCO customer identity.
EOF
}

require_remote() {
  local remote="$1"
  git remote get-url "$remote" >/dev/null 2>&1 || {
    echo "Missing git remote: $remote" >&2
    exit 1
  }
}

current_branch() {
  git branch --show-current
}

show_identity() {
  local local_name local_email
  local_name="$(git config --local --get user.name || true)"
  local_email="$(git config --local --get user.email || true)"
  if [[ -n "$local_name" || -n "$local_email" ]]; then
    echo "Local repo identity: ${local_name:-<unset>} <${local_email:-unset}>"
  else
    echo "Local repo identity: not set in this repo (falls back to global/default git config)"
  fi
}

show_push_safety() {
  local push_default hooks_path
  push_default="$(git config --local --get remote.pushDefault || true)"
  hooks_path="$(git config --local --get core.hooksPath || true)"
  echo "remote.pushDefault: ${push_default:-<unset>}"
  echo "core.hooksPath: ${hooks_path:-<unset>}"
}

case "${1:-}" in
  status)
    echo "Branch: $(current_branch)"
    echo "Commit: $(git rev-parse --short HEAD)"
    show_identity
    show_push_safety
    echo
    echo "Remotes:"
    git remote -v
    echo
    echo "Recommended targets:"
    echo "  develop/main/internal work -> origin"
    echo "  release/tubco-v1 and approved customer backports -> tubco"
    ;;

  push-origin)
    require_remote origin
    ref="${2:-$(current_branch)}"
    echo "Pushing '$ref' to origin..."
    git push origin "$ref"
    ;;

  push-tubco)
    require_remote tubco
    ref="${2:-release/tubco-v1}"
    echo "Pushing '$ref' to tubco..."
    git push tubco "$ref"
    ;;

  set-own-identity)
    git config --local --unset-all user.name >/dev/null 2>&1 || true
    git config --local --unset-all user.email >/dev/null 2>&1 || true
    echo "Cleared repo-local git identity. This repo will now use your normal git identity."
    ;;

  set-tubco-identity)
    git config --local user.name "$TUBCO_NAME"
    git config --local user.email "$TUBCO_EMAIL"
    echo "Set repo-local git identity to: $TUBCO_NAME <$TUBCO_EMAIL>"
    ;;

  *)
    usage
    exit 1
    ;;
esac