import { NextRequest, NextResponse } from 'next/server'
import { getAIProvider } from '@/lib/ai/factory'
import { getSystemConfig } from '@/lib/config'

export async function GET(request: NextRequest) {
  try {
    const config = await getSystemConfig()
    const provider = getAIProvider(config)

    // Test with a simple embedding request
    const testText = 'test'
    const embeddings = await provider.getEmbeddings(testText)

    if (!embeddings || embeddings.length === 0) {
      return NextResponse.json(
        {
          success: false,
          provider: config.AI_PROVIDER || 'ollama',
          error: 'No embeddings returned',
          details: {
            provider: config.AI_PROVIDER || 'ollama',
            baseUrl: config.OLLAMA_BASE_URL || process.env.OLLAMA_BASE_URL || 'http://localhost:11434',
            model: config.AI_MODEL_EMBEDDING || process.env.OLLAMA_EMBEDDING_MODEL || 'embeddinggemma:latest'
          }
        },
        { status: 500 }
      )
    }

    return NextResponse.json({
      success: true,
      provider: config.AI_PROVIDER || 'ollama',
      embeddingLength: embeddings.length,
      firstValues: embeddings.slice(0, 5),
      details: {
        provider: config.AI_PROVIDER || 'ollama',
        baseUrl: config.OLLAMA_BASE_URL || process.env.OLLAMA_BASE_URL || 'http://localhost:11434',
        model: config.AI_MODEL_EMBEDDING || process.env.OLLAMA_EMBEDDING_MODEL || 'embeddinggemma:latest'
      }
    })
  } catch (error: any) {
    console.error('AI test error:', error)
    return NextResponse.json(
      {
        success: false,
        error: error.message || 'Unknown error',
        stack: process.env.NODE_ENV === 'development' ? error.stack : undefined,
        details: {
          provider: process.env.AI_PROVIDER || 'ollama',
          baseUrl: process.env.OLLAMA_BASE_URL || 'http://localhost:11434',
          model: process.env.OLLAMA_EMBEDDING_MODEL || 'embeddinggemma:latest'
        }
      },
      { status: 500 }
    )
  }
}