import { NextRequest, NextResponse } from 'next/server'
import { auth } from '@/auth'
import { bridgeNotesService } from '@/lib/ai/services/bridge-notes.service'

/**
 * GET /api/bridge-notes/suggestions
 * Get AI-powered bridge note suggestions for unconnected clusters.
 */
export async function GET(request: NextRequest) {
  try {
    const session = await auth()
    if (!session?.user?.id) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
    }

    const userId = session.user.id
    const { searchParams } = new URL(request.url)
    const includeDismissed = searchParams.get('dismissed') === 'true'

    const suggestions = await bridgeNotesService.getBridgeSuggestions(userId, includeDismissed)

    return NextResponse.json({
      suggestions,
      count: suggestions.length
    })
  } catch (error) {
    console.error('Error fetching bridge suggestions:', error)
    return NextResponse.json(
      { error: 'Failed to fetch suggestions' },
      { status: 500 }
    )
  }
}

/**
 * POST /api/bridge-notes/suggestions/generate
 * Generate new bridge suggestions (force regeneration).
 */
export async function POST(request: NextRequest) {
  try {
    const session = await auth()
    if (!session?.user?.id) {
      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
    }

    const userId = session.user.id

    // Generate new suggestions
    const suggestions = await bridgeNotesService.generateBridgeSuggestions(userId)

    // Save to database
    await bridgeNotesService.saveBridgeSuggestions(userId, suggestions)

    return NextResponse.json({
      suggestions,
      count: suggestions.length,
      message: `Generated ${suggestions.length} bridge suggestions`
    })
  } catch (error) {
    console.error('Error generating bridge suggestions:', error)
    return NextResponse.json(
      { error: 'Failed to generate suggestions' },
      { status: 500 }
    )
  }
}