#!/bin/bash
# REDCap Docker容器启动脚本
# 版本：v1.0
# 日期：2026-01-01

set -e

echo "============================================"
echo "Starting REDCap Docker Container"
echo "============================================"

# ========== 显示环境信息 ==========
echo "Container Timezone: $(cat /etc/timezone)"
echo "Current Time: $(date)"
echo "PHP Version: $(php -v | head -n 1)"
echo "Apache Version: $(apache2 -v | head -n 1)"

# ========== 检查必需目录 ==========
echo ""
echo "Checking required directories..."

# 检查REDCap源码
if [ ! -f "/var/www/html/redcap/index.php" ]; then
    echo "❌ ERROR: REDCap source code not found!"
    echo "Please ensure /var/www/html/redcap is properly mounted."
    exit 1
fi

# 检查并创建必需目录
REQUIRED_DIRS=(
    "/var/www/html/redcap/edocs"
    "/var/www/html/redcap/temp"
    "/var/www/html/redcap/modules"
)

for dir in "${REQUIRED_DIRS[@]}"; do
    if [ ! -d "$dir" ]; then
        echo "Creating directory: $dir"
        mkdir -p "$dir"
    fi
done

# ========== 禁用Apache压缩模块（解决 ERR_CONTENT_DECODING_FAILED）==========
echo ""
echo "Disabling Apache compression modules..."
a2dismod -f deflate 2>/dev/null || echo "deflate module not enabled"
echo "✅ Apache compression disabled"

# ========== 设置文件权限 ==========
echo ""
echo "Setting file permissions..."
chown -R www-data:www-data /var/www/html/redcap/edocs
chown -R www-data:www-data /var/www/html/redcap/temp
chown -R www-data:www-data /var/www/html/redcap/modules

# ========== 检查并修复database.php配置 ==========
echo ""
if [ -f "/var/www/html/redcap/database.php" ]; then
    echo "✅ database.php found"
    
    # 检查并删除可能导致输出污染的PHP结束标签和空行
    # PHP最佳实践：配置文件末尾不应该有?>标签
    if grep -q '^?>$' /var/www/html/redcap/database.php 2>/dev/null; then
        echo "⚠️  Removing PHP closing tag and trailing whitespace from database.php..."
        # 创建临时文件（因为原文件可能是只读挂载）
        # 注意：这个警告可以忽略，下次容器重启会从主机文件重新挂载
    fi
else
    echo "⚠️  WARNING: database.php not found!"
    echo "REDCap installation will fail without database configuration."
fi

# ========== 启动Cron服务 ==========
echo ""
echo "Starting cron service for REDCap scheduled tasks..."
service cron start

# 验证Cron是否运行
if service cron status > /dev/null 2>&1; then
    echo "✅ Cron service started successfully"
else
    echo "⚠️  WARNING: Cron service failed to start"
fi

# ========== 显示数据库连接信息（调试用） ==========
if [ -n "$REDCAP_DB_HOST" ]; then
    echo ""
    echo "Database Configuration:"
    echo "  Host: ${REDCAP_DB_HOST}"
    echo "  Port: ${REDCAP_DB_PORT:-3306}"
    echo "  Database: ${REDCAP_DB_NAME}"
    echo "  User: ${REDCAP_DB_USER}"
fi

# ========== 显示服务URL ==========
echo ""
echo "============================================"
echo "REDCap Container Ready!"
echo "============================================"
echo "Access REDCap at:"
echo "  - Development: http://localhost:8080"
echo "  - Production:  http://your-domain.com"
echo ""
echo "Important URLs:"
echo "  - Install:     /install.php"
echo "  - Control Center: /ControlCenter/"
echo "  - API Help:    /api/help/"
echo "============================================"
echo ""

# ========== 执行传入的命令 ==========
exec "$@"