#!/bin/bash

# 时间控制日志查看工具

NAME=timecontrol
LOG_FILE="/var/log/$NAME.log"
STATUS_LOG="/var/lib/$NAME/status.log"
CONNECTION_LOG="/var/lib/$NAME/connections.log"

show_realtime_log() {
    echo "正在显示实时日志，按 Ctrl+C 退出..."
    echo ""
    tail -f "$LOG_FILE" | while read line; do
        # 高亮显示重要信息
        if echo "$line" | grep -q "STATUS-CHANGE\|TIME_EXCEEDED\|RESET"; then
            echo -e "\033[1;31m$line\033[0m"  # 红色显示重要变更
        elif echo "$line" | grep -q "ALLOW_ACCESS\|解除限制"; then
            echo -e "\033[1;32m$line\033[0m"  # 绿色显示允许访问
        elif echo "$line" | grep -q "BLOCK_ACCESS\|添加限制"; then
            echo -e "\033[1;33m$line\033[0m"  # 黄色显示禁止访问
        else
            echo "$line"
        fi
    done
}

show_status_log() {
    echo "最近状态变更记录:"
    echo "────────────────────────────────────────────────────────────────────"
    if [ -f "$STATUS_LOG" ]; then
        tail -n 20 "$STATUS_LOG" | while read line; do
            local time=$(echo "$line" | cut -d']' -f1 | sed 's/\[//')
            local message=$(echo "$line" | cut -d']' -f2-)
            printf "%-20s %s\n" "$time" "$message"
        done
    else
        echo "暂无状态记录"
    fi
}

show_connection_log() {
    echo "设备连接记录:"
    echo "────────────────────────────────────────────────────────────────────"
    echo "时间                 设备             状态"
    echo "────────────────────────────────────────────────────────────────────"
    
    if [ -f "$CONNECTION_LOG" ]; then
        tail -n 20 "$CONNECTION_LOG" | while read line; do
            local timestamp=$(echo "$line" | cut -d',' -f1)
            local target=$(echo "$line" | cut -d',' -f2)
            local action=$(echo "$line" | cut -d',' -f3)
            
            local time_str=$(date -d "@$timestamp" '+%Y-%m-%d %H:%M:%S' 2>/dev/null || echo "$timestamp")
            local action_text=""
            
            case "$action" in
                "connect") action_text="上线" ;;
                "disconnect") action_text="下线" ;;
                *) action_text="$action" ;;
            esac
            
            printf "%-20s %-18s %s\n" "$time_str" "$target" "$action_text"
        done
    else
        echo "暂无连接记录"
    fi
}

show_summary() {
    local summary_file="/tmp/timecontrol_status.txt"
    if [ -f "$summary_file" ]; then
        cat "$summary_file"
    else
        echo "状态摘要文件不存在，正在生成..."
        timecontrol status
    fi
}

show_help() {
    echo "时间控制日志查看工具"
    echo ""
    echo "用法: timecontrol-log {realtime|status|connections|summary|help}"
    echo ""
    echo "命令:"
    echo "  realtime    - 实时显示日志（彩色高亮）"
    echo "  status      - 显示状态变更记录"
    echo "  connections - 显示设备连接记录"
    echo "  summary     - 显示状态摘要"
    echo "  help        - 显示此帮助"
    echo ""
    echo "示例:"
    echo "  timecontrol-log realtime    # 实时监控"
    echo "  timecontrol-log status      # 查看状态变更"
}

case "$1" in
    "realtime")
        show_realtime_log
        ;;
    "status")
        show_status_log
        ;;
    "connections")
        show_connection_log
        ;;
    "summary")
        show_summary
        ;;
    "help"|"")
        show_help
        ;;
    *)
        echo "未知命令: $1"
        show_help
        exit 1
        ;;
esac