@echo off
setlocal enabledelayedexpansion
chcp 65001 >nul 2>&1
title MySQL - 自动签名系统

cd /d "%~dp0"

set MYSQL_HOME=%~dp0mysql
set MYSQL_DATA=%MYSQL_HOME%\data

echo ========================================
echo   MySQL 服务 - 启动中...
echo   端口: 33366  账户: admin/admin  库: word_sign
echo ========================================
echo.

if not exist "%MYSQL_HOME%\bin\mysqld.exe" (
    echo [错误] 未检测到内置 MySQL: %MYSQL_HOME%\bin\mysqld.exe
    echo        系统将以 SQLite 模式运行, 无需本脚本
    pause
    exit /b 1
)

if not exist "%MYSQL_DATA%" (
    echo [MySQL] 首次运行, 正在初始化数据目录...
    "%MYSQL_HOME%\bin\mysqld.exe" --initialize-insecure --basedir="%MYSQL_HOME%" --datadir="%MYSQL_DATA%" 2>&1
    echo [MySQL] 数据目录初始化完成
)

netstat -aon | findstr ":33366 " | findstr "LISTENING" >nul 2>&1
if !errorlevel! equ 0 (
    echo [MySQL] 端口 33366 已在监听, MySQL 已运行, 无需重复启动
    pause
    exit /b 0
)

echo [MySQL] 正在启动 mysqld (后台)...
start "" /b "%MYSQL_HOME%\bin\mysqld.exe" --defaults-file="%MYSQL_HOME%\my.ini" --console

echo [MySQL] 等待端口 33366 就绪...
set MYSQL_READY=0
for /L %%i in (1,1,30) do (
    if !MYSQL_READY! equ 0 (
        timeout /t 1 /nobreak >nul 2>&1
        netstat -aon | findstr ":33366 " | findstr "LISTENING" >nul 2>&1
        if !errorlevel! equ 0 (
            set MYSQL_READY=1
            echo [MySQL] mysqld 已就绪 ^(端口 33366^)
        )
    )
)
if !MYSQL_READY! equ 0 (
    echo [MySQL] 等待超时, mysqld 可能未成功启动, 请检查 mysql\data\*.err
    pause
    exit /b 1
)

echo [MySQL] 确保用户和数据库存在...
set USER_READY=0
for /L %%i in (1,1,10) do (
    if !USER_READY! equ 0 (
        "%MYSQL_HOME%\bin\mysql.exe" -u root --skip-password --port=33366 -e "CREATE DATABASE IF NOT EXISTS word_sign CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci; CREATE USER IF NOT EXISTS 'admin'@'127.0.0.1' IDENTIFIED BY 'admin'; CREATE USER IF NOT EXISTS 'admin'@'localhost' IDENTIFIED BY 'admin'; CREATE USER IF NOT EXISTS 'admin'@'%%' IDENTIFIED BY 'admin'; GRANT ALL PRIVILEGES ON word_sign.* TO 'admin'@'127.0.0.1'; GRANT ALL PRIVILEGES ON word_sign.* TO 'admin'@'localhost'; GRANT ALL PRIVILEGES ON word_sign.* TO 'admin'@'%%'; GRANT ALL PRIVILEGES ON *.* TO 'admin'@'127.0.0.1' WITH GRANT OPTION; GRANT ALL PRIVILEGES ON *.* TO 'admin'@'localhost' WITH GRANT OPTION; GRANT ALL PRIVILEGES ON *.* TO 'admin'@'%%' WITH GRANT OPTION; FLUSH PRIVILEGES;" >nul 2>&1
        if !errorlevel! equ 0 (
            set USER_READY=1
            echo [MySQL] 用户和数据库配置完成
        ) else (
            timeout /t 1 /nobreak >nul 2>&1
        )
    )
)
if !USER_READY! equ 0 (
    echo [MySQL] 用户和数据库配置失败
    pause
    exit /b 1
)

echo.
echo ========================================
echo   MySQL 启动成功 (后台运行)
echo   此窗口可以关闭, mysqld 会继续运行
echo   停止 MySQL: 运行 stop.bat 或 stop_mysql.bat
echo ========================================
echo.
pause
exit /b 0