#!/bin/bash
# 企业级Jenkins一键部署脚本

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"

echo "🚀 开始部署企业级Jenkins CI/CD平台..."

# 检查Docker环境
check_docker() {
    if ! command -v docker &> /dev/null; then
        echo "❌ Docker未安装，请先安装Docker"
        exit 1
    fi
    
    if ! command -v docker-compose &> /dev/null; then
        echo "❌ Docker Compose未安装，请先安装Docker Compose"
        exit 1
    fi
    
    if ! docker info &> /dev/null; then
        echo "❌ Docker服务未运行，请启动Docker"
        exit 1
    fi
}

# 创建必要目录
create_directories() {
    echo "📁 创建项目目录结构..."
    
    mkdir -p "${SCRIPT_DIR}/jenkins_data"
    mkdir -p "${SCRIPT_DIR}/jenkins_data/workspace"
    mkdir -p "${SCRIPT_DIR}/jenkins_data/jobs"
    mkdir -p "${SCRIPT_DIR}/jenkins_data/plugins"
    mkdir -p "${SCRIPT_DIR}/sonarqube_data"
    
    # 设置权限
    sudo chown -R 1000:1000 "${SCRIPT_DIR}/jenkins_data" || true
    sudo chown -R 999:999 "${SCRIPT_DIR}/sonarqube_data" || true
}

# 构建和启动服务
deploy_services() {
    echo "🐳 构建并启动Jenkins服务..."
    
    cd "$SCRIPT_DIR"
    
    # 构建自定义Jenkins镜像
    docker-compose build jenkins
    
    # 启动所有服务
    docker-compose up -d
    
    echo "⏳ 等待服务启动..."
    sleep 60
}

# 检查服务状态
check_services() {
    echo "📊 检查服务状态..."
    
    # 检查Jenkins
    if curl -s -f http://localhost:15008 > /dev/null; then
        echo "✅ Jenkins服务正常运行"
    else
        echo "❌ Jenkins服务启动失败"
        docker logs jenkins-custom --tail 50
        exit 1
    fi
    
    # 检查SonarQube
    if curl -s -f http://localhost:15010 > /dev/null; then
        echo "✅ SonarQube服务正常运行"
    else
        echo "⚠️ SonarQube服务可能还在启动中..."
    fi
}

# 获取初始密码
get_initial_password() {
    echo "🔑 获取Jenkins初始密码..."
    
    local password_file="${SCRIPT_DIR}/jenkins_data/secrets/initialAdminPassword"
    local max_attempts=30
    local attempt=1
    
    while [ $attempt -le $max_attempts ]; do
        if [ -f "$password_file" ]; then
            echo "Jenkins初始密码:"
            cat "$password_file"
            break
        elif docker exec jenkins-custom test -f /var/jenkins_home/secrets/initialAdminPassword 2>/dev/null; then
            echo "Jenkins初始密码:"
            docker exec jenkins-custom cat /var/jenkins_home/secrets/initialAdminPassword
            break
        else
            echo "等待Jenkins生成初始密码... (尝试 $attempt/$max_attempts)"
            sleep 10
            ((attempt++))
        fi
    done
    
    if [ $attempt -gt $max_attempts ]; then
        echo "⚠️ 无法获取初始密码，请手动查看容器日志"
        docker logs jenkins-custom --tail 20
    fi
}

# 显示访问信息
show_access_info() {
    echo ""
    echo "🎉 Jenkins CI/CD平台部署完成！"
    echo ""
    echo "📋 访问信息:"
    echo "   🌐 Jenkins: http://localhost:15008"
    echo "   🌐 SonarQube: http://localhost:15010"
    echo ""
    echo "🔧 默认账号:"
    echo "   Jenkins: admin / (使用上面显示的初始密码)"
    echo "   SonarQube: admin / admin"
    echo ""
    echo "📁 数据目录:"
    echo "   Jenkins: ${SCRIPT_DIR}/jenkins_data"
    echo "   SonarQube: ${SCRIPT_DIR}/sonarqube_data"
    echo ""
    echo "🚀 快速开始:"
    echo "1. 访问Jenkins并完成初始设置"
    echo "2. 安装推荐插件（已预装核心插件）"
    echo "3. 创建管理员用户"
    echo "4. 导入示例项目: ${PROJECT_ROOT}"
    echo "5. 使用 .ci-config.yml 配置项目构建"
    echo ""
    echo "📖 文档:"
    echo "   配置指南: ${PROJECT_ROOT}/JENKINS_SETUP.md"
    echo "   故障排查: ${PROJECT_ROOT}/JENKINS_TROUBLESHOOTING.md"
}

# 创建管理脚本
create_management_scripts() {
    echo "📝 创建管理脚本..."
    
    # 启动脚本
    cat > "${SCRIPT_DIR}/start.sh" << 'EOF'
#!/bin/bash
cd "$(dirname "$0")"
docker-compose start
echo "✅ Jenkins服务已启动"
echo "🌐 访问地址: http://localhost:15008"
EOF
    
    # 停止脚本
    cat > "${SCRIPT_DIR}/stop.sh" << 'EOF'
#!/bin/bash
cd "$(dirname "$0")"
docker-compose stop
echo "✅ Jenkins服务已停止"
EOF
    
    # 重启脚本
    cat > "${SCRIPT_DIR}/restart.sh" << 'EOF'
#!/bin/bash
cd "$(dirname "$0")"
docker-compose restart
echo "✅ Jenkins服务已重启"
echo "🌐 访问地址: http://localhost:15008"
EOF
    
    # 查看日志脚本
    cat > "${SCRIPT_DIR}/logs.sh" << 'EOF'
#!/bin/bash
cd "$(dirname "$0")"
if [ "$1" = "sonar" ]; then
    docker-compose logs -f sonarqube
else
    docker-compose logs -f jenkins
fi
EOF
    
    # 备份脚本
    cat > "${SCRIPT_DIR}/backup.sh" << 'EOF'
#!/bin/bash
cd "$(dirname "$0")"
BACKUP_DIR="backup-$(date +%Y%m%d-%H%M%S)"
mkdir -p "$BACKUP_DIR"
cp -r jenkins_data "$BACKUP_DIR/"
cp -r sonarqube_data "$BACKUP_DIR/"
echo "✅ 备份完成: $BACKUP_DIR"
EOF
    
    # 设置执行权限
    chmod +x "${SCRIPT_DIR}"/*.sh
}

# 主函数
main() {
    echo "企业级Jenkins CI/CD平台部署程序"
    echo "================================="
    
    check_docker
    create_directories
    deploy_services
    check_services
    get_initial_password
    create_management_scripts
    show_access_info
}

# 执行主函数
main "$@"