import configparser
import pyodbc

# 读取 git-ignored 的本地机构库配置（不输出任何凭证）
cfg = configparser.ConfigParser()
cfg.read("fms-api/config/dbconfigs/G3HD.properties")

url = cfg.get("DEFAULT", "url", fallback="")
user = cfg.get("DEFAULT", "username", fallback="")
pwd = cfg.get("DEFAULT", "password", fallback="")

# url 形如 jdbc:sqlserver://host:port;databaseName=xxx
host_part = url.split("//", 1)[1].split(";", 1)[0]
if ":" in host_part:
    host, port = host_part.split(":", 1)
else:
    host, port = host_part, "1433"

print(f"Connecting to {host}:{port} as {user} ...")

conn = pyodbc.connect(
    driver="{ODBC Driver 17 for SQL Server}",
    server=f"{host},{port}",
    uid=user,
    pwd=pwd,
    autocommit=False,
)
print("Connected OK")

with open("fms-api/config/migrations/001_add_i18n_type.sql", encoding="utf-8") as f:
    sql = f.read()

# 按 GO 切分批量执行（SQL Server 约定）
batches = [b.strip() for b in sql.split("\nGO\n") if b.strip()]
cur = conn.cursor()
n = 0
for batch in batches:
    cur.execute(batch)
    n += 1
conn.commit()
cur.close()
conn.close()
print(f"Migration applied: {n} batch(es) executed on G3HD.")