import {z} from 'zod'

export type CollectionRequest = {prompt_id: number, platforms: Array<'chatgpt' | 'claude' | 'google_ai_overviews' | 'perplexity' | 'meta' | 'google_ai_mode' | 'google_gemini' | 'copilot' | 'grok'>};

export type CreateApiBrandIdCollectionsArgs = {brand_id: number, body: CollectionRequest};

export type CreateApiBrandIdCollectionsOptions = {baseUrl?: string | undefined, HTTPBearer?: string | undefined, fetch?: typeof fetch | undefined};

export const collectionEventResult = z.object({platform: z.string(), inngest_event_id: z.string()});

export const collectionCreateResponse = z.object({prompt_id: z.number().int(), events: z.array(collectionEventResult)});

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Create Collection Request
 * 
 * POST /{brand_id}/collections
 * 
 * Also accepts auth: HTTPBearer
 */
export const createApiBrandIdCollections = async (args: CreateApiBrandIdCollectionsArgs, options?: CreateApiBrandIdCollectionsOptions) => {
const {baseUrl = "https://api.scrunchai.com/v1", fetch: fetchFn = fetch, HTTPBearer} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/json")

if (HTTPBearer !== undefined) headers.set('authorization', `Bearer ${HTTPBearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/${encodeURIComponent(String(args.brand_id))}/collections${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(collectionCreateResponse, await res.json())
};