import {z} from 'zod'

export type BusinessId = string;

export type GetApiPostsArgs = {business__in?: Array<BusinessId> | undefined, start_datetime?: string | undefined, end_datetime?: string | undefined, summary?: string | undefined, state__in?: ('live' | 'to_configure' | 'pending' | 'scheduled' | 'error' | 'expired' | 'to_validate') | undefined, topic_type?: ('standard' | 'event' | 'offer' | 'alert') | undefined, topic_type__in?: ('standard' | 'event' | 'offer' | 'alert') | undefined, page?: number | undefined, per_page?: number | undefined};

export type GetApiPostsOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const currentPage = z.number().int();

export const maxPage = z.number().int();

export const count = z.number().int();

export const postId = z.number().int();

export const businessId = z.string();

export const postType = z.enum(["news", "event", "offer", "covid"]);

export const postSummary = z.string();

export const postImageURL = z.union([z.string(), z.array(z.string())]);

export const postMedias = z.array(z.object({media_url: postImageURL.optional()}));

export const createdDate = z.string();

export const updatedDate = z.string();

export const postCreatedOnPartoo = z.boolean();

export const postUpdatedOnPartoo = z.boolean();

export const postBusinessInfo = z.string();

export const postPublisherPost = z.enum(["google_my_business__posts", "facebook__posts"]);

export const postInsight = z.array(z.object({name: postPublisherPost.optional(), click_count: z.number().int().optional(), view_count: z.number().int().optional()}));

export const postState = z.enum(["live", "pending", "to_configure", "scheduled", "error", "expired"]);

export const postCTALink = z.string();

export const postStatus = z.array(z.object({name: postPublisherPost.optional(), state: postState.optional(), link: postCTALink.optional()}));

export const postOfferTerms = z.string();

export const postCouponCode = z.string();

export const postCTAType = z.enum(["book", "order", "shop", "learn_more", "sign_up", "call", "no_cta"]);

export const post = z.object({id: postId.optional(), business_id: businessId.optional(), post_type: postType.optional(), summary: postSummary.optional(), schedule_time: z.string().optional(), expiration_time: z.string().optional(), validation_time: z.string().optional(), post_medias: postMedias.optional(), created_at: createdDate.optional(), updated_at: updatedDate.optional(), created_on_partoo: postCreatedOnPartoo.optional(), updated_on_partoo: postUpdatedOnPartoo.optional(), business_info: postBusinessInfo.optional(), post_insight: postInsight.optional(), post_status: postStatus.optional(), offer_terms: postOfferTerms.optional(), offer_code: postCouponCode.optional(), cta_link: postCTALink.optional(), cta_type: postCTAType.optional()});

export const getApiPostsResponse = z.object({page: currentPage.optional(), max_page: maxPage.optional(), count: count.optional(), posts: z.array(post).optional()});

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
};

/**
 * Search for post
 * 
 * GET /posts
 */
export const getApiPosts = async (args: GetApiPostsArgs, options?: GetApiPostsOptions) => {
const {baseUrl = "https://api.partoo.co/v2", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

for (const item of args.business__in ?? []) query.append("business__in", String(item))
if (args.start_datetime != null) query.append("start_datetime", String(args.start_datetime))
if (args.end_datetime != null) query.append("end_datetime", String(args.end_datetime))
if (args.summary != null) query.append("summary", String(args.summary))
if (args.state__in != null) query.append("state__in", String(args.state__in))
if (args.topic_type != null) query.append("topic_type", String(args.topic_type))
if (args.topic_type__in != null) query.append("topic_type__in", String(args.topic_type__in))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (ApiKeyAuth !== undefined) headers.set("x-APIKey", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/posts${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

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

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