#!/bin/bash
# ============================================
# 查看备份定时任务与最近备份
# 用法：./status.sh
# ============================================

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CONF_FILE="$SCRIPT_DIR/backup.conf"
CRON_TAG="shanxia2.0-mysql-backup"

GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

echo "=== crontab (${CRON_TAG}) ==="
if crontab -l 2>/dev/null | grep "${CRON_TAG}"; then
  echo -e "${GREEN}定时任务已启用${NC}"
else
  echo -e "${YELLOW}未安装定时任务（请执行 ./start.sh）${NC}"
fi

echo ""
echo "=== 配置 ==="
if [ -f "$CONF_FILE" ]; then
  # shellcheck disable=SC1090
  source "$CONF_FILE"
  echo "MYSQL_HOST=${MYSQL_HOST:-}"
  echo "MYSQL_PORT=${MYSQL_PORT:-}"
  echo "MYSQL_USER=${MYSQL_USER:-}"
  echo "MYSQL_DATABASE=${MYSQL_DATABASE:-}"
  echo "BACKUP_DIR=${BACKUP_DIR:-}"
  echo "LOG_DIR=${LOG_DIR:-}"
  echo "KEEP_DAYS=${KEEP_DAYS:-}"
  echo "LOG_TABLE_MAX_BYTES=${LOG_TABLE_MAX_BYTES:-}"
  echo "IGNORE_DATA_TABLE=${IGNORE_DATA_TABLE:-}"
else
  echo -e "${YELLOW}缺少 backup.conf${NC}"
  exit 0
fi

echo ""
echo "=== 最近备份（最多 10 个）==="
if [ -d "${BACKUP_DIR:-}" ]; then
  ls -lht "${BACKUP_DIR}"/"${MYSQL_DATABASE}"_*.sql.gz 2>/dev/null | head -10 || echo "(暂无备份文件)"
else
  echo "(备份目录不存在: ${BACKUP_DIR:-})"
fi

echo ""
echo "=== 最近 cron 日志（末尾 30 行）==="
CRON_LOG="${LOG_DIR:-/iflytek/shanxia2.0/db-backup/logs}/cron-backup.log"
if [ -f "$CRON_LOG" ]; then
  tail -n 30 "$CRON_LOG"
else
  echo "(尚无日志: $CRON_LOG)"
fi