package point

import (
	"gitea.weitiangame.com/sdk/wt-game/utils/ahttp"
	"github.com/go-resty/resty/v2"
	"go.uber.org/zap"
	"sync"
)

var (
	instance *Point
	once     sync.Once
)

// Point 是用于事件上报的核心结构体
// Point is the core structure for event reporting
type Point struct {
	clientID string
	logger   *zap.Logger
	client   *resty.Client // 线程安全的HTTP客户端 / Thread-safe HTTP client
	debug    bool
	curl     bool
	mu       sync.Mutex // 保护并发访问配置字段 / Mutex to protect concurrent access to configuration fields
}

// New 返回Point的单例实例
// New returns the singleton instance of Point
// 注意：首次调用后的参数变更将不会生效（单例模式特性）
// Note: Parameter changes after the first call will not take effect (singleton pattern characteristic)
func New(clientID string, logger *zap.Logger) *Point {
	once.Do(func() {
		// 初始化线程安全的HTTP客户端
		// Initialize thread-safe HTTP client
		baseClient := ahttp.New(nil).SetLog(logger).Client()

		instance = &Point{
			clientID: clientID,
			logger:   logger,
			client:   baseClient,
		}
	})
	return instance
}

// Debug 启用调试模式（非线程安全，建议初始化阶段调用）
// Debug enables debug mode (not thread-safe, recommended to call during initialization)
func (p *Point) Debug() *Point {
	p.mu.Lock()
	defer p.mu.Unlock()
	p.debug = true
	return p
}

// Curl 启用CURL命令生成（非线程安全，建议初始化阶段调用）
// Curl enables CURL command generation (not thread-safe, recommended to call during initialization)
func (p *Point) Curl() *Point {
	p.mu.Lock()
	defer p.mu.Unlock()
	p.curl = true
	return p
}

// Event 发送事件到指定端点
// Event sends an event to the specified endpoint
// 参数data会被复制以避免原始数据修改（并发安全设计）
// The data parameter is copied to avoid original data modification (concurrency-safe design)
func (p *Point) Event(data map[string]interface{}) (*resty.Response, error) {
	data["client_id"] = p.clientID
	// 获取当前配置的调试和CURL设置
	// Get current debug and curl configuration
	p.mu.Lock()
	debugEnabled := p.debug
	curlEnabled := p.curl
	p.mu.Unlock()

	// 创建新的请求实例并配置参数
	// Create new request instance and configure parameters
	request := p.client.R().
		SetBody(data).
		SetDebug(debugEnabled)

	if curlEnabled {
		request.EnableTrace() // 启用跟踪以生成CURL命令 / Enable trace to generate CURL command
	}

	// 发送请求并返回结果
	// Send request and return results
	return request.Post("https://e.tapdb.net/v2/event")
}