#!/usr/bin/env sh
# worklog-target.sh: 由已算好的 hash 組出 worklog wiki 目標頁名稱。
# hash 一律由 jsc-gitea/tools/hash-id 算出後傳入，本腳本不再自行計算 SHA-1。
# 用法:
#   worklog-target.sh <hash> [page|contents|all]
set -eu

usage() {
  echo 'usage: worklog-target.sh <hash> [page|contents|all]' >&2
  exit 2
}

[ "$#" -ge 1 ] || usage
[ "$#" -le 2 ] || usage

hash=$1
field=${2:-page}

if [ -z "$hash" ]; then
  usage
fi

page="LOG_${hash}"
contents='LOG_CONTENTS'

case "$field" in
  page) printf '%s\n' "$page" ;;
  contents) printf '%s\n' "$contents" ;;
  all)
    printf 'PAGE=%s\n' "$page"
    printf 'CONTENTS=%s\n' "$contents"
    ;;
  *) usage ;;
esac