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

const BACKEND_URL = process.env.BACKEND_URL || 'http://backend-compliance:8002'

/**
 * Proxy: GET /api/sdk/v1/projects/{projectId} → Backend
 */
export async function GET(
  request: NextRequest,
  { params }: { params: Promise<{ projectId: string }> }
) {
  try {
    const { projectId } = await params
    const tenantId = request.headers.get('X-Tenant-ID') ||
      new URL(request.url).searchParams.get('tenant_id') || ''

    const response = await fetch(
      `${BACKEND_URL}/api/compliance/v1/projects/${projectId}?tenant_id=${encodeURIComponent(tenantId)}`,
      {
        headers: { 'X-Tenant-ID': tenantId },
      }
    )

    if (!response.ok) {
      const errorText = await response.text()
      return NextResponse.json(
        { error: 'Backend error', details: errorText },
        { status: response.status }
      )
    }

    return NextResponse.json(await response.json())
  } catch (error) {
    console.error('Failed to get project:', error)
    return NextResponse.json(
      { error: 'Failed to connect to backend' },
      { status: 503 }
    )
  }
}

/**
 * Proxy: PATCH /api/sdk/v1/projects/{projectId} → Backend
 */
export async function PATCH(
  request: NextRequest,
  { params }: { params: Promise<{ projectId: string }> }
) {
  try {
    const { projectId } = await params
    const body = await request.json()
    const tenantId = body.tenant_id || request.headers.get('X-Tenant-ID') || ''

    const response = await fetch(
      `${BACKEND_URL}/api/compliance/v1/projects/${projectId}?tenant_id=${encodeURIComponent(tenantId)}`,
      {
        method: 'PATCH',
        headers: {
          'Content-Type': 'application/json',
          'X-Tenant-ID': tenantId,
        },
        body: JSON.stringify(body),
      }
    )

    if (!response.ok) {
      const errorText = await response.text()
      return NextResponse.json(
        { error: 'Backend error', details: errorText },
        { status: response.status }
      )
    }

    return NextResponse.json(await response.json())
  } catch (error) {
    console.error('Failed to update project:', error)
    return NextResponse.json(
      { error: 'Failed to connect to backend' },
      { status: 503 }
    )
  }
}

/**
 * Proxy: DELETE /api/sdk/v1/projects/{projectId} → Backend (soft delete)
 */
export async function DELETE(
  request: NextRequest,
  { params }: { params: Promise<{ projectId: string }> }
) {
  try {
    const { projectId } = await params
    const tenantId = request.headers.get('X-Tenant-ID') ||
      new URL(request.url).searchParams.get('tenant_id') || ''

    const response = await fetch(
      `${BACKEND_URL}/api/compliance/v1/projects/${projectId}?tenant_id=${encodeURIComponent(tenantId)}`,
      {
        method: 'DELETE',
        headers: { 'X-Tenant-ID': tenantId },
      }
    )

    if (!response.ok) {
      const errorText = await response.text()
      return NextResponse.json(
        { error: 'Backend error', details: errorText },
        { status: response.status }
      )
    }

    return NextResponse.json(await response.json())
  } catch (error) {
    console.error('Failed to archive project:', error)
    return NextResponse.json(
      { error: 'Failed to connect to backend' },
      { status: 503 }
    )
  }
}