import type { Express } from "express";
import { createServer, type Server } from "http";
import { storage } from "./storage";
import { z } from "zod";

export async function registerRoutes(app: Express): Promise<Server> {
  // Get videos with pagination and filtering
  app.get("/api/videos", async (req, res) => {
    try {
      const limit = parseInt(req.query.limit as string) || 20;
      const offset = parseInt(req.query.offset as string) || 0;
      const search = req.query.search as string;

      const videos = await storage.getVideos(limit, offset, search);
      const total = await storage.getVideoCount(search);

      res.json({
        videos,
        total,
        hasMore: offset + limit < total
      });
    } catch (error) {
      res.status(500).json({ message: "Failed to fetch videos" });
    }
  });

  // Get single video by ID
  app.get("/api/videos/:id", async (req, res) => {
    try {
      const video = await storage.getVideo(req.params.id);
      if (!video) {
        return res.status(404).json({ message: "Video not found" });
      }
      res.json(video);
    } catch (error) {
      res.status(500).json({ message: "Failed to fetch video" });
    }
  });

  // Update video views
  app.post("/api/videos/:id/view", async (req, res) => {
    try {
      await storage.updateVideoViews(req.params.id);
      res.json({ success: true });
    } catch (error) {
      res.status(500).json({ message: "Failed to update views" });
    }
  });

  // Proxy endpoint for thumbnails (since they are private)
  app.get("/thumbnail/:id", async (req, res) => {
    try {
      const { id } = req.params;
      const apiKey = process.env.BUNNY_API_KEY;
      const libraryId = process.env.BUNNY_LIBRARY_ID;
      
      if (!apiKey || !libraryId) {
        return res.status(500).json({ message: "Bunny.net configuration missing" });
      }

      // Try to get thumbnail from Bunny API
      const thumbnailUrl = `https://video.bunnycdn.com/library/${libraryId}/videos/${id}/thumbnail`;
      
      const response = await fetch(thumbnailUrl, {
        method: 'POST',
        headers: {
          'AccessKey': apiKey,
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({ time: 10 }) // Get thumbnail at 10 seconds
      });

      if (response.ok) {
        const thumbnailData = await response.arrayBuffer();
        res.set('Content-Type', 'image/jpeg');
        res.set('Cache-Control', 'public, max-age=3600'); // Cache for 1 hour
        res.send(Buffer.from(thumbnailData));
      } else {
        // If thumbnail generation fails, return a placeholder
        res.redirect('https://via.placeholder.com/480x270/1a1a1a/ffffff?text=Video');
      }
    } catch (error) {
      console.error('Error proxying thumbnail:', error);
      res.redirect('https://via.placeholder.com/480x270/1a1a1a/ffffff?text=Video');
    }
  });



  const httpServer = createServer(app);
  return httpServer;
}