#!/bin/bash

# DayZ Mod更新脚本
# 使用方法: docker compose run --rm steamcmd updatemod
# 或通过crontab自动运行（每15分钟）

set -e

# 加载环境变量（解决cron任务无法读取环境变量的问题）
if [ -f "/etc/environment" ]; then
    export $(cat /etc/environment | xargs)
fi

# 设置日志文件路径
LOG_FILE="/var/log/updatemod.log"

echo "==========================================" >> "$LOG_FILE"
echo "开始更新DayZ Mod..." >> "$LOG_FILE"
echo "时间: $(date)" >> "$LOG_FILE"
echo "==========================================" >> "$LOG_FILE"

# 检查环境变量
if [ -z "$STEAM_USERNAME" ] || [ -z "$STEAM_PASSWORD" ]; then
    echo "错误: 请设置 STEAM_USERNAME 和 STEAM_PASSWORD 环境变量" >> "$LOG_FILE"
    echo "当前环境变量状态:" >> "$LOG_FILE"
    echo "STEAM_USERNAME: ${STEAM_USERNAME:-未设置}" >> "$LOG_FILE"
    echo "STEAM_PASSWORD: ${STEAM_PASSWORD:-未设置}" >> "$LOG_FILE"
    exit 1
fi

cd /opt/steamcmd

if [ ! -f "/opt/steamcmd/steamcmd.sh" ]; then
    echo "SteamCMD未安装，开始下载和安装..." >> "$LOG_FILE"
    wget -O /opt/steamcmd/steamcmd_linux.tar.gz ${STEAMCMD_URL}
    tar xvzf /opt/steamcmd/steamcmd_linux.tar.gz -C /opt/steamcmd
    rm /opt/steamcmd/steamcmd_linux.tar.gz
    chmod +x /opt/steamcmd/steamcmd.sh
    echo "SteamCMD安装完成！" >> "$LOG_FILE"
fi

if [ -n "$MOD_IDS" ]; then
    echo "开始更新Mod..." >> "$LOG_FILE"
    IFS=',' read -ra MOD_ARRAY <<< "$MOD_IDS"
    
    SCRIPT_FILE="/opt/steamcmd/update_mods.txt"
    echo "创建SteamCMD脚本文件: $SCRIPT_FILE" >> "$LOG_FILE"
    
    echo "login $STEAM_USERNAME $STEAM_PASSWORD" > "$SCRIPT_FILE"
    
    for mod_id in "${MOD_ARRAY[@]}"; do
        echo "添加Mod ID: $mod_id 到更新脚本" >> "$LOG_FILE"
        echo "workshop_download_item 221100 $mod_id validate" >> "$SCRIPT_FILE"
    done
    
    echo "quit" >> "$SCRIPT_FILE"
    
    echo "SteamCMD脚本内容:" >> "$LOG_FILE"
    cat "$SCRIPT_FILE" >> "$LOG_FILE"

    echo "开始执行SteamCMD脚本..." >> "$LOG_FILE"
    ./steamcmd.sh +run_script update_mods.txt
    
    if [ $? -eq 0 ]; then
        echo "所有Mod更新完成" >> "$LOG_FILE"
    else
        echo "Mod更新过程中出现错误" >> "$LOG_FILE"
    fi

    rm -f "$SCRIPT_FILE"
    echo "清理临时脚本文件" >> "$LOG_FILE"
else
    echo "未配置Mod ID，跳过Mod更新" >> "$LOG_FILE"
fi

echo "==========================================" >> "$LOG_FILE"
echo "Mod更新完成！" >> "$LOG_FILE"
echo "时间: $(date)" >> "$LOG_FILE"
echo "==========================================" >> "$LOG_FILE"