package main

import (
	"log"
	"net/http"
	"stocksearch/config"
	"stocksearch/handlers"
	"stocksearch/middleware"
	"stocksearch/models"
	"stocksearch/services"
	ws "stocksearch/websocket"
)

func main() {
	// 환경변수 로딩
	config.Load()

	// 키움증권 토큰 발급 (서버 시작 시 즉시 실행)
	tokenSvc := services.GetTokenService()
	if err := tokenSvc.Start(); err != nil {
		log.Fatalf("토큰 발급 실패: %v\n키움증권 API 키를 .env 파일에 설정해주세요.", err)
	}

	// 체결강도 상승 감지 스캐너 시작 (08:00 KST 이후 10초 주기)
	services.GetScannerService().Start()

	// 종목 리스트 백그라운드 로딩 (검색용)
	services.GetSearchService().Load()

	// WebSocket Hub 시작 (내부에서 키움 WS 클라이언트 초기화)
	hub := ws.NewHub()
	go hub.Run()

	// 키움 WS 실시간 연결 시작 (Hub 이벤트 루프 실행 후)
	if err := hub.StartKiwoomWS(); err != nil {
		log.Printf("키움 WS 초기 연결 실패: %v (자동 재연결 시도)", err)
	}

	// 서비스 추가
	sessionSvc      := services.GetSessionService()
	watchlistSvc    := services.GetWatchlistService()
	autoTradeSvc    := services.GetAutoTradeService()

	// 스캐너 구독 종목 → WebSocket 내부 구독 연결
	services.GetScannerService().SetSubscribeCallback(func(codes []string) {
		hub.SubscribeInternal(codes)
	})

	// 자동매매 로그 → WebSocket 브로드캐스트 연결
	autoTradeSvc.SetLogBroadcaster(func(l models.AutoTradeLog) {
		hub.BroadcastTradeLog(l)
	})

	// 핸들러 초기화
	pageHandler      := handlers.NewPageHandler()
	stockHandler     := handlers.NewStockHandler(watchlistSvc)
	wsHandler        := handlers.NewWSHandler(hub)
	authHandler      := handlers.NewAuthHandler(sessionSvc)
	orderHandler     := handlers.NewOrderHandler()
	autoTradeHandler := handlers.NewAutoTradeHandler(autoTradeSvc)

	// 라우터 설정 (Go 1.22 패턴 매칭)
	mux := http.NewServeMux()

	// --- 인증 라우트 ---
	mux.HandleFunc("GET /login", authHandler.LoginPage)
	mux.HandleFunc("POST /login", authHandler.Login)
	mux.HandleFunc("POST /logout", authHandler.Logout)

	// --- 페이지 라우트 ---
	mux.HandleFunc("GET /", pageHandler.IndexPage)
	mux.HandleFunc("GET /theme", pageHandler.ThemePage)
	mux.HandleFunc("GET /kospi200", pageHandler.Kospi200Page)
	mux.HandleFunc("GET /asset", pageHandler.AssetPage)
	mux.HandleFunc("GET /autotrade", pageHandler.AutoTradePage)
	mux.HandleFunc("GET /stock/{code}", pageHandler.StockDetailPage)

	// --- REST API 라우트 ---
	mux.HandleFunc("GET /api/stock/{code}", stockHandler.GetCurrentPrice)
	mux.HandleFunc("GET /api/stock/{code}/chart", stockHandler.GetDailyChart)
	mux.HandleFunc("GET /api/scanner/status", stockHandler.GetScannerStatus)
	mux.HandleFunc("POST /api/scanner/toggle", stockHandler.ToggleScanner)
	mux.HandleFunc("GET /api/signal", stockHandler.GetSignals)
	mux.HandleFunc("GET /api/watchlist-signal", stockHandler.GetWatchlistSignals)
	mux.HandleFunc("GET /api/indices", stockHandler.GetIndices)
	mux.HandleFunc("GET /api/search", stockHandler.Search)
	mux.HandleFunc("GET /api/disclosure", stockHandler.GetDisclosures)
	mux.HandleFunc("GET /api/news", stockHandler.GetNews)
	mux.HandleFunc("GET /api/kospi200", stockHandler.GetKospi200)
	mux.HandleFunc("GET /api/themes", stockHandler.GetThemes)
	mux.HandleFunc("GET /api/themes/{code}", stockHandler.GetThemeStocks)
	mux.HandleFunc("GET /api/watchlist", stockHandler.GetWatchlist)
	mux.HandleFunc("POST /api/watchlist", stockHandler.AddWatchlist)
	mux.HandleFunc("DELETE /api/watchlist/{code}", stockHandler.RemoveWatchlist)

	// --- 주문/계좌 API 라우트 ---
	mux.HandleFunc("POST /api/order/buy", orderHandler.Buy)
	mux.HandleFunc("POST /api/order/sell", orderHandler.Sell)
	mux.HandleFunc("PUT /api/order/modify", orderHandler.Modify)
	mux.HandleFunc("DELETE /api/order", orderHandler.Cancel)
	mux.HandleFunc("GET /api/account/balance", orderHandler.GetBalance)
	mux.HandleFunc("GET /api/account/pending", orderHandler.GetPending)
	mux.HandleFunc("GET /api/account/history", orderHandler.GetHistory)
	mux.HandleFunc("GET /api/account/deposit", orderHandler.GetDeposit)
	mux.HandleFunc("GET /api/account/orderable", orderHandler.GetOrderable)

	// --- 자동매매 API 라우트 ---
	mux.HandleFunc("GET /api/autotrade/status",             autoTradeHandler.GetStatus)
	mux.HandleFunc("GET /api/autotrade/rules",              autoTradeHandler.GetRules)
	mux.HandleFunc("POST /api/autotrade/rules",             autoTradeHandler.AddRule)
	mux.HandleFunc("PUT /api/autotrade/rules/{id}",         autoTradeHandler.UpdateRule)
	mux.HandleFunc("DELETE /api/autotrade/rules/{id}",      autoTradeHandler.DeleteRule)
	mux.HandleFunc("POST /api/autotrade/rules/{id}/toggle", autoTradeHandler.ToggleRule)
	mux.HandleFunc("GET /api/autotrade/positions",          autoTradeHandler.GetPositions)
	mux.HandleFunc("GET /api/autotrade/logs",               autoTradeHandler.GetLogs)
	mux.HandleFunc("GET /api/autotrade/watch-source",        autoTradeHandler.GetWatchSource)
	mux.HandleFunc("PUT /api/autotrade/watch-source",        autoTradeHandler.SetWatchSource)
	mux.HandleFunc("POST /api/autotrade/start",             autoTradeHandler.Start)
	mux.HandleFunc("POST /api/autotrade/stop",              autoTradeHandler.Stop)
	mux.HandleFunc("POST /api/autotrade/emergency",         autoTradeHandler.Emergency)

	// --- WebSocket 라우트 ---
	mux.HandleFunc("GET /ws", wsHandler.ServeWS)

	// --- 정적 파일 ---
	mux.Handle("GET /static/", http.StripPrefix("/static/", http.FileServer(http.Dir("static"))))

	// 미들웨어 체인 적용 (Auth → Logger → Recovery 순)
	handler := middleware.Chain(mux, middleware.Recovery, middleware.Logger, middleware.Auth(sessionSvc))

	addr := "0.0.0.0:" + config.App.ServerPort
	log.Printf("서버 시작: http://%s", addr)
	if err := http.ListenAndServe(addr, handler); err != nil {
		log.Fatalf("서버 실행 실패: %v", err)
	}
}