/*
 * Project: Video Sharing Platform
 * Year: 2026
 * Developed by: Molla Samser (Founder of RSK World)
 * Designer & Tester: Rima Khatun
 * Website: https://rskworld.in
 * Contact: +91 93305 39277 | hello@rskworld.in | support@rskworld.in
 * Location: Nutanhat, Mongolkote, Purba Burdwan, West Bengal, India, 713147
 * 
 * High-performance Go Backend with premium features.
 */

package main

import (
	"fmt"
	"log"
	"net/http"
	"os"

	"github.com/gin-gonic/gin"
)

func main() {
	// Load configuration
	cfg := LoadConfig()

	// Initialize Database (Simulated)
	_ = InitDB(cfg.DBURL)

	// Initialize Gin Engine
	r := gin.New()

	// Middleware: Enhanced Logger and Auth
	r.Use(RSKLogger())
	r.Use(AuthMiddleware())
	r.Use(gin.Recovery())

	// Security Headers
	r.Use(func(c *gin.Context) {
		c.Writer.Header().Set("X-Content-Type-Options", "nosniff")
		c.Writer.Header().Set("X-Frame-Options", "DENY")
		c.Writer.Header().Set("X-RSK-Version", "2026.1.0")
		c.Next()
	})

	// Static files for the Premium Frontend
	r.Static("/static", "./public/static")
	r.StaticFile("/", "./public/index.html")

	// API Routes
	api := r.Group("/api/v1")
	{
		// Video endpoints
		api.GET("/videos", GetVideos)
		api.POST("/upload", UploadVideo)
		api.GET("/stream/:id", StreamVideo)
		api.GET("/uploads", GetUploads)
		api.GET("/upload/:upload_id/progress", GetUploadProgress)
		api.GET("/videos/:id/similar", GetSimilarVideos)
		
		// Social endpoints
		api.POST("/comments", AddComment)
		api.GET("/comments/:video_id", GetComments)
		
		// Live streaming
		api.GET("/live", GetLiveStreams)
		api.POST("/live/broadcast", CreateBroadcast)
		
		// Authentication
		api.POST("/auth/login", Login)
		api.POST("/auth/register", Register)
		api.GET("/auth/me", GetCurrentUser)
		
		// User profiles
		api.GET("/profile/:username", GetProfile)
		api.POST("/profile/:username/subscribe", Subscribe)
		
		// Recommendations and analytics
		api.GET("/recommendations", GetRecommendations)
		api.GET("/trending", GetTrendingVideos)
		api.GET("/history", GetWatchHistory)
		api.POST("/history", AddToWatchHistory)
		api.GET("/analytics", GetAnalytics)
		
		// WebSocket endpoint for uploads
		api.GET("/upload/progress/ws", UploadProgressWebSocket)
	}

	port := os.Getenv("PORT")
	if port == "" {
		port = "8080"
	}

	fmt.Printf("--- Video Sharing Platform (2026) Started ---\n")
	fmt.Printf("Developed by Molla Samser (RSK World)\n")
	fmt.Printf("Server running on http://localhost:%s\n", port)

	if err := r.Run(":" + port); err != nil {
		log.Fatalf("Failed to start server: %v", err)
	}
}

// Stub handlers (to be expanded in handlers.go)
func GetVideos(c *gin.Context)      { c.JSON(http.StatusOK, gin.H{"status": "success", "data": []interface{}{}}) }
func UploadVideo(c *gin.Context)    { c.JSON(http.StatusAccepted, gin.H{"status": "processing"}) }
func StreamVideo(c *gin.Context)    { c.JSON(http.StatusOK, gin.H{"status": "streaming"}) }
func AddComment(c *gin.Context)     { c.JSON(http.StatusCreated, gin.H{"status": "comment added"}) }
func GetLiveStreams(c *gin.Context) { c.JSON(http.StatusOK, gin.H{"status": "active streams", "count": 0}) }
