import { cookies } from 'next/headers'
import type { SprintStatus } from '@prisma/client'
import { prisma } from '@/lib/prisma'

export type ActiveSprint = {
  id: string
  code: string
  status: SprintStatus
}

function cookieName(productId: string): string {
  return `active_sprint_${productId}`
}

export async function getActiveSprintIdFromCookie(
  productId: string,
): Promise<string | null> {
  const store = await cookies()
  return store.get(cookieName(productId))?.value ?? null
}

export async function setActiveSprintCookie(
  productId: string,
  sprintId: string,
): Promise<void> {
  const store = await cookies()
  store.set(cookieName(productId), sprintId, {
    path: '/',
    sameSite: 'lax',
    secure: process.env.NODE_ENV === 'production',
    maxAge: 60 * 60 * 24 * 365,
  })
}

export async function clearActiveSprintCookie(productId: string): Promise<void> {
  const store = await cookies()
  store.delete(cookieName(productId))
}

export async function resolveActiveSprint(
  productId: string,
): Promise<ActiveSprint | null> {
  const cookieId = await getActiveSprintIdFromCookie(productId)

  if (cookieId) {
    const sprint = await prisma.sprint.findFirst({
      where: { id: cookieId, product_id: productId },
      select: { id: true, code: true, status: true },
    })
    if (sprint) return sprint
  }

  const open = await prisma.sprint.findFirst({
    where: { product_id: productId, status: 'OPEN' },
    orderBy: { created_at: 'desc' },
    select: { id: true, code: true, status: true },
  })
  if (open) return open

  const closed = await prisma.sprint.findFirst({
    where: { product_id: productId, status: 'CLOSED' },
    orderBy: { created_at: 'desc' },
    select: { id: true, code: true, status: true },
  })
  return closed ?? null
}