import type { Message } from 'ai'

export async function loadChat(slug: string): Promise<Message[]> {
  const { blobs } = await $fetch('/api/files')

  if (!blobs.find(item => item.pathname === `chats/${slug}.json`)) {
    await createChat(slug)
  }

  const data = await $fetch<string>(`/api/chats/${slug}`)
  const dataString = JSON.stringify(data)

  if (dataString === '[]')
    return []
  return JSON.parse(dataString)
}

async function createChat(slug: string) {
  await $fetch('/api/chats', {
    method: 'POST',
    body: {
      file: {
        name: `${slug}.json`,
        content: '[]',
      },
    },
  })
}

export async function deleteChat(slug: string) {
  await $fetch(`/api/chats/${slug}.json`, {
    method: 'DELETE',
  })
}