src/app/api/embeddings/route.ts

import { NextResponse } from 'next/server'
import { generateEmbedding } from '@/lib/huggingface'
import { createServerSupabaseClient } from '@/lib/supabase-server'

export async function POST(request: Request) {
  try {
    const { content, title, metadata } = await request.json()

    if (!content) {
      return NextResponse.json(
        { error: 'Content is required' },
        { status: 400 }
      )
    }

    // Generate embedding using Hugging Face
    const embedding = await generateEmbedding(content)

    // Store in Supabase with embedding
    const supabase = await createServerSupabaseClient()
    const { data, error } = await supabase
      .from('documents')
      .insert({
        content,
        title: title || null,
        embedding,
        metadata: metadata || {},
      })
      .select()
      .single()

    if (error) {
      console.error('Supabase error:', error)
      throw error
    }

    return NextResponse.json({ 
      success: true, 
      document: data 
    }, { status: 200 })

  } catch (error: unknown) {
    console.error("Embedding API Error:", error);
  
    const message =
      error instanceof Error ? error.message : "Internal server error";
  
    return NextResponse.json(
      { error: message },
      { status: 500 }
    );
  }

}