#!/usr/bin/env bash
# 将本地/源库 bd_fangke_ali251 的结构与数据导入目标库 yxbd_fangke_ali2。
# 用法（在能访问目标 MySQL 的机器上执行）：
#   export MYSQL_TARGET_HOST=127.0.0.1   # 或 RDS 内网地址
#   export MYSQL_TARGET_PORT=3306
#   export MYSQL_TARGET_USER=yxbd_fangke_ali2
#   export MYSQL_TARGET_PASSWORD='jsy6WQHMR67kY7dN'
#   export MYSQL_TARGET_DB=yxbd_fangke_ali2
#   # 源库（默认本机 root，与开发 .env 一致）
#   export MYSQL_SOURCE_HOST=127.0.0.1
#   export MYSQL_SOURCE_USER=root
#   export MYSQL_SOURCE_PASSWORD=root123456
#   export MYSQL_SOURCE_DB=bd_fangke_ali251
#   bash scripts/migrate-db-to-yxbd-fangke-ali2.sh
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$ROOT"

MYSQL_SOURCE_HOST="${MYSQL_SOURCE_HOST:-127.0.0.1}"
MYSQL_SOURCE_PORT="${MYSQL_SOURCE_PORT:-3306}"
MYSQL_TARGET_PORT="${MYSQL_TARGET_PORT:-3306}"
MYSQL_SOURCE_USER="${MYSQL_SOURCE_USER:-root}"
MYSQL_SOURCE_PASSWORD="${MYSQL_SOURCE_PASSWORD:-root123456}"
MYSQL_SOURCE_DB="${MYSQL_SOURCE_DB:-bd_fangke_ali251}"

MYSQL_TARGET_HOST="${MYSQL_TARGET_HOST:-127.0.0.1}"
MYSQL_TARGET_USER="${MYSQL_TARGET_USER:-yxbd_fangke_ali2}"
MYSQL_TARGET_PASSWORD="${MYSQL_TARGET_PASSWORD:-jsy6WQHMR67kY7dN}"
MYSQL_TARGET_DB="${MYSQL_TARGET_DB:-yxbd_fangke_ali2}"

echo "Dumping ${MYSQL_SOURCE_DB} from ${MYSQL_SOURCE_HOST} ..."
mysqldump -h"$MYSQL_SOURCE_HOST" -P"$MYSQL_SOURCE_PORT" -u"$MYSQL_SOURCE_USER" -p"$MYSQL_SOURCE_PASSWORD" \
  --single-transaction --routines --triggers --default-character-set=utf8mb4 \
  "$MYSQL_SOURCE_DB" | \
mysql -h"$MYSQL_TARGET_HOST" -P"$MYSQL_TARGET_PORT" -u"$MYSQL_TARGET_USER" -p"$MYSQL_TARGET_PASSWORD" "$MYSQL_TARGET_DB"

echo "Import finished into ${MYSQL_TARGET_DB}@${MYSQL_TARGET_HOST}."