'use server'

import { NextRequest, NextResponse } from 'next/server'

const OPENCODE_BASE_URL = 'https://opencode.ai/zen/v1'

export async function POST(request: NextRequest) {
  try {
    const body = await request.json()
    const { apiKey, model, messages, max_tokens } = body

    if (!apiKey) {
      return NextResponse.json({ error: 'API key required' }, { status: 400 })
    }

    const response = await fetch(`${OPENCODE_BASE_URL}/chat/completions`, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Authorization': `Bearer ${apiKey}`,
      },
      body: JSON.stringify({
        model,
        messages,
        max_tokens: max_tokens || 500,
      }),
    })

    if (!response.ok) {
      const error = await response.text()
      return NextResponse.json({ error: `OpenCode API error: ${response.status} - ${error}` }, { status: response.status })
    }

    const data = await response.json()
    return NextResponse.json(data)
  } catch (error: any) {
    return NextResponse.json({ error: error.message || 'Internal server error' }, { status: 500 })
  }
}