#!/bin/sh
# Installs quest support_skills_max (README.md): run on the server from this directory, then restart game.
# Adds the quest (GBK) to the locale's quest directory and locale_list, pc.set_skill_level to quest_functions,
# and recompiles all quests.
set -eu

SERVER=${SERVER:-/usr/metin2/server}
LOCALE=${LOCALE:-newcibn}
QUEST="$SERVER/share/locale/$LOCALE/quest"
HERE=$(cd "$(dirname "$0")" && pwd)
BACKUP=/root/backup-support-skills/$(date +%Y%m%d-%H%M%S)
export LC_ALL=C

mkdir -p "$BACKUP"
cp -p "$QUEST/locale_list" "$QUEST/quest_functions" "$BACKUP/"
echo "backup: $BACKUP"

iconv -f UTF-8 -t GBK "$HERE/support_skills_max.quest" > "$BACKUP/support_skills_max.gbk"
# A GBK trail byte 0x5C would be a backslash to qc.
if grep -q '\\' "$BACKUP/support_skills_max.gbk"; then echo "backslash byte in GBK" >&2; exit 1; fi
cat "$BACKUP/support_skills_max.gbk" > "$QUEST/support_skills_max.quest"

# qc only accepts functions listed in quest_functions; game registers pc.set_skill_level (questlua_pc.cpp)
# but the list does not have it.
grep -qx pc.set_skill_level "$QUEST/quest_functions" || echo pc.set_skill_level >> "$QUEST/quest_functions"

# make.py strips only the LF of a locale_list line (203's has no newline after the last line).
sed -i '' '/^support_skills_max\.quest/d' "$QUEST/locale_list"
[ -z "$(tail -c 1 "$QUEST/locale_list")" ] || echo >> "$QUEST/locale_list"
echo support_skills_max.quest >> "$QUEST/locale_list"

# make.py's shebang (/usr/local/bin/python) does not exist on 203.
cd "$QUEST" && /usr/local/bin/python2.7 make.py > "$BACKUP/make.log" 2>&1 || { tail "$BACKUP/make.log" >&2; exit 1; }
ls object/notarget/login 2>/dev/null | grep support_skills_max || ls -R object | grep support_skills_max
echo "done; restart game"