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

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
# shellcheck source=lib/common.sh
source "${SCRIPT_DIR}/lib/common.sh"

usage() {
    cat >&2 <<'EOF'
Usage: clone.sh <repo> [target-dir]

  <repo>       GITEA_USER 名下的 repo 名稱
  [target-dir] clone 目的地（預設 ./<repo>）
EOF
    exit 1
}

[[ $# -ge 1 && $# -le 2 ]] || usage
case "$1" in
    -h|--help) usage ;;
esac

REPO="$1"
TARGET="${2:-./${REPO}}"

if [[ -e "$TARGET" ]]; then
    # 空目錄 OK；其他情況拒絕
    if [[ -d "$TARGET" ]]; then
        if [[ -n "$(ls -A "$TARGET")" ]]; then
            log_err "目標目錄已存在且非空：${TARGET}"
            exit 1
        fi
    else
        log_err "目標路徑已存在且不是目錄：${TARGET}"
        exit 1
    fi
fi

load_config

CLEAN_URL="${GITEA_URL}/${GITEA_USER}/${REPO}.git"

log_info "clone ${GITEA_USER}/${REPO} → ${TARGET}"
git_clone_with_token "$CLEAN_URL" "$TARGET"

ABS="$(cd "$TARGET" && pwd)"
log_done "完成"
echo "$ABS"