#!/bin/bash
set -e

echo "========================================"
echo "校园新闻管理系统 - 后端服务启动"
echo "========================================"

# 如果挂载的配置文件不存在，使用模板
if [ ! -f /app/config/application.yml ]; then
    echo "[INFO] 未找到application.yml，使用模板配置"
    cp /app/config/application.yml.template /app/config/application.yml
else
    echo "[INFO] 使用挂载的application.yml配置"
fi

if [ ! -f /app/config/log4j2-spring.xml ]; then
    echo "[INFO] 未找到log4j2-spring.xml，使用模板配置"
    cp /app/config/log4j2-spring.xml.template /app/config/log4j2-spring.xml
else
    echo "[INFO] 使用挂载的log4j2-spring.xml配置"
fi

# 等待数据库就绪
if [ ! -z "$MYSQL_HOST" ]; then
    echo "[INFO] 等待MySQL启动 ($MYSQL_HOST:${MYSQL_PORT:-3306})..."
    RETRY_COUNT=0
    MAX_RETRIES=30
    while ! nc -z $MYSQL_HOST ${MYSQL_PORT:-3306}; do
        RETRY_COUNT=$((RETRY_COUNT+1))
        if [ $RETRY_COUNT -ge $MAX_RETRIES ]; then
            echo "[ERROR] MySQL连接超时"
            exit 1
        fi
        echo "[INFO] 等待MySQL就绪... ($RETRY_COUNT/$MAX_RETRIES)"
        sleep 2
    done
    echo "[INFO] MySQL已就绪"
    sleep 3
    
    # 注意：爬虫配置路径已在MySQL容器初始化时配置好
    # 详见：docker/Dockerfile.mysql 的 01-init-database.sh
fi

# 等待Redis就绪
if [ ! -z "$REDIS_HOST" ]; then
    echo "[INFO] 等待Redis启动 ($REDIS_HOST:${REDIS_PORT:-6379})..."
    RETRY_COUNT=0
    MAX_RETRIES=30
    while ! nc -z $REDIS_HOST ${REDIS_PORT:-6379}; do
        RETRY_COUNT=$((RETRY_COUNT+1))
        if [ $RETRY_COUNT -ge $MAX_RETRIES ]; then
            echo "[ERROR] Redis连接超时"
            exit 1
        fi
        echo "[INFO] 等待Redis就绪... ($RETRY_COUNT/$MAX_RETRIES)"
        sleep 2
    done
    echo "[INFO] Redis已就绪"
fi

# 显示配置信息
echo "========================================"
echo "[INFO] 数据库: $MYSQL_HOST:${MYSQL_PORT:-3306}/$MYSQL_DATABASE"
echo "[INFO] Redis: $REDIS_HOST:${REDIS_PORT:-6379}"
echo "[INFO] 爬虫路径: /app/crawler"
echo "[INFO] Python: $(python3 --version)"
echo "========================================"

# 启动应用
echo "[INFO] 启动Spring Boot应用..."
exec java \
    -Djava.security.egd=file:/dev/./urandom \
    -Dspring.config.location=/app/config/application.yml \
    -Dlogging.config=/app/config/log4j2-spring.xml \
    -Dfile.encoding=UTF-8 \
    ${JAVA_OPTS} \
    -jar /app/app.jar