#!/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: rename.sh <old-name> <new-name>
EOF
    exit 1
}

[[ $# -eq 2 ]] || usage

OLD="$1"
NEW="$2"

load_config

log_info "改名 ${GITEA_USER}/${OLD} → ${GITEA_USER}/${NEW}"
gitea_api PATCH "/repos/${GITEA_USER}/${OLD}" "{\"name\":\"${NEW}\"}"

case "$HTTP_CODE" in
    200|201) log_ok "改名完成" ;;
    404) log_err "找不到 repo：${GITEA_USER}/${OLD}"; exit 1 ;;
    422) log_err "新名稱可能已被使用或無效"; cat "$GITEA_API_RESP_FILE" >&2; echo "" >&2; exit 1 ;;
    *)
        log_err "改名失敗 (HTTP ${HTTP_CODE})"
        { cat "$GITEA_API_RESP_FILE"; echo ""; } >&2
        exit 1
        ;;
esac

# 若 cwd 的 origin 指到舊 repo，自動更新
if CURR="$(infer_repo_from_cwd 2>/dev/null)"; then
    if [[ "$CURR" == "${GITEA_USER}/${OLD}" ]]; then
        NEW_CLEAN_URL="${GITEA_URL}/${GITEA_USER}/${NEW}.git"
        git remote set-url origin "$NEW_CLEAN_URL"
        log_ok "cwd 的 origin 已更新為 ${NEW_CLEAN_URL}"
    fi
fi

NEW_WEB_URL="${GITEA_URL}/${GITEA_USER}/${NEW}"
log_done "完成"
echo "$NEW_WEB_URL"