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

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" });
    }
  });

  // Update video metadata (title, description, etc.)
  app.patch("/api/videos/:id", async (req, res) => {
    try {
      const updates = updateVideoSchema.parse(req.body);
      const updatedVideo = await storage.updateVideo(req.params.id, updates);
      
      if (!updatedVideo) {
        return res.status(404).json({ message: "Video not found" });
      }
      
      res.json(updatedVideo);
    } catch (error) {
      if (error instanceof z.ZodError) {
        return res.status(400).json({ message: "Invalid request data", errors: error.errors });
      }
      res.status(500).json({ message: "Failed to update video" });
    }
  });





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