#!/bin/bash

# =====================================================
# 芋道后端开发模式启动脚本
# 使用方法: ./start-backend.sh [profile]
# profile: local(默认), dev, test
# =====================================================

set -e

# 颜色定义
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
RED='\033[0;31m'
NC='\033[0m'

# 项目根目录
PROJECT_ROOT="$(cd "$(dirname "$0")" && pwd)"

# 默认配置
PROFILE="${1:-dev}"
JAVA_OPTS="-Xms512m -Xmx1024m"

echo -e "${BLUE}========================================${NC}"
echo -e "${BLUE}    芋道后端 - 开发模式启动${NC}"
echo -e "${BLUE}========================================${NC}"
echo ""

# 检查Redis服务状态
check_redis() {
    if redis-cli ping > /dev/null 2>&1; then
        return 0
    else
        return 1
    fi
}

# 启动Redis服务
start_redis() {
    echo -e "${YELLOW}正在启动Redis服务...${NC}"
    
    if [[ "$OSTYPE" == "darwin"* ]]; then
        # macOS
        if command -v brew &> /dev/null; then
            brew services start redis 2>/dev/null || redis-server --daemonize yes
        elif command -v redis-server &> /dev/null; then
            redis-server --daemonize yes
        else
            echo -e "${RED}错误: 未找到Redis，请先安装: brew install redis${NC}"
            exit 1
        fi
    elif [[ "$OSTYPE" == "linux-gnu"* ]]; then
        # Linux
        if command -v systemctl &> /dev/null; then
            sudo systemctl start redis 2>/dev/null || sudo systemctl start redis-server 2>/dev/null || redis-server --daemonize yes
        elif command -v service &> /dev/null; then
            sudo service redis-server start 2>/dev/null || redis-server --daemonize yes
        elif command -v redis-server &> /dev/null; then
            redis-server --daemonize yes
        else
            echo -e "${RED}错误: 未找到Redis，请先安装${NC}"
            echo -e "${YELLOW}Ubuntu/Debian: sudo apt-get install redis-server${NC}"
            echo -e "${YELLOW}CentOS/RHEL: sudo yum install redis${NC}"
            exit 1
        fi
    else
        if command -v redis-server &> /dev/null; then
            redis-server --daemonize yes
        else
            echo -e "${RED}错误: 未找到Redis，请手动安装并启动${NC}"
            exit 1
        fi
    fi
    
    # 等待Redis启动
    for i in {1..10}; do
        if check_redis; then
            echo -e "${GREEN}✓ Redis服务启动成功${NC}"
            return 0
        fi
        sleep 1
    done
    
    echo -e "${RED}错误: Redis服务启动超时${NC}"
    exit 1
}

# 检查并确保Redis运行
ensure_redis() {
    echo -e "${YELLOW}检查Redis服务...${NC}"
    if check_redis; then
        echo -e "${GREEN}✓ Redis服务已运行${NC}"
    else
        echo -e "${YELLOW}✗ Redis服务未运行${NC}"
        start_redis
    fi
    echo ""
}

# 检查本地模块是否已安装
check_local_modules() {
    # 检查 yudao-common 是否存在于本地仓库
    if [ ! -d ~/.m2/repository/cn/iocoder/boot/yudao-common ]; then
        echo -e "${YELLOW}检测到首次运行，需要先编译安装本地模块...${NC}"
        echo -e "${YELLOW}这可能需要几分钟时间，请耐心等待...${NC}"
        echo ""
        cd "$PROJECT_ROOT"
        mvn clean install -DskipTests
        echo ""
        echo -e "${GREEN}✓ 本地模块安装完成${NC}"
        echo ""
    fi
}

# 启动服务
start_server() {
    echo -e "${YELLOW}配置环境: ${PROFILE}${NC}"
    echo -e "${YELLOW}JVM 参数: ${JAVA_OPTS}${NC}"
    echo ""
    echo -e "${GREEN}========================================${NC}"
    echo -e "${GREEN}  后端服务启动中...${NC}"
    echo -e "${GREEN}  访问地址: http://localhost:48080${NC}"
    echo -e "${GREEN}  API 文档: http://localhost:48080/doc.html${NC}"
    echo -e "${GREEN}  按 Ctrl+C 停止服务${NC}"
    echo -e "${GREEN}========================================${NC}"
    echo ""

    cd "$PROJECT_ROOT/yudao-server"

    mvn spring-boot:run \
        -Dspring-boot.run.profiles="$PROFILE" \
        -Dspring-boot.run.jvmArguments="$JAVA_OPTS"
}

# 主流程
ensure_redis
check_local_modules
start_server