import { NextRequest, NextResponse } from 'next/server'
import { z } from 'zod'
import { analyzeFromText } from '@/lib/scraper'
import { performDeepAnalysis } from '@/lib/analysis-pipeline'

const bodySchema = z.object({
  productName: z.string().min(1),
  description: z.string().min(1),
  features: z.string()
})

export async function POST(request: NextRequest) {
  try {
    const body = await request.json()
    const { productName, description, features } = bodySchema.parse(body)

    if (!process.env.OPENAI_API_KEY) {
      return NextResponse.json(
        { error: 'OpenAI API key not configured' },
        { status: 500 }
      )
    }

    console.log('📝 Creating content from manual input...')
    const scrapedContent = await analyzeFromText(productName, description, features)

    console.log('🤖 Starting enhanced analysis...')
    const analysis = await performDeepAnalysis(scrapedContent)
    console.log(`   ✓ Analysis complete: ${analysis.features.length} features, ${analysis.keywords.length} keywords`)

    return NextResponse.json({
      success: true,
      data: analysis,
      stats: {
        features: analysis.features.length,
        keywords: analysis.keywords.length,
        personas: analysis.personas.length,
        useCases: analysis.useCases.length,
        competitors: analysis.competitors.length,
        dorkQueries: analysis.dorkQueries.length
      }
    })

  } catch (error: any) {
    console.error('❌ Manual analysis error:', error)
    
    if (error.name === 'ZodError') {
      return NextResponse.json(
        { error: 'Please provide product name and description' },
        { status: 400 }
      )
    }

    return NextResponse.json(
      { error: error.message || 'Failed to analyze' },
      { status: 500 }
    )
  }
}