import {z} from 'zod'

export type GetApiBlogsPostsIdArgs = {id: string, 'expand[]'?: Array<'markup'> | undefined};

export type GetApiBlogsPostsIdOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const blogsPostAttributes = z.object({id: z.number().int().optional(), public_id: z.string().optional(), blog_id: z.number().int().optional(), title: z.string().optional(), published_at: z.string().nullable().optional(), current_path: z.string().optional(), url: z.string().optional(), visibility: z.enum(["draft", "public", "members_only", "scheduled"]).optional(), excerpt_content: z.string().nullable().optional(), seo_title: z.string().nullable().optional(), seo_description: z.string().nullable().optional(), image_id: z.number().int().nullable().optional(), image_url: z.string().nullable().optional(), categories: z.array(z.object({name: z.string().optional()})).optional(), tags: z.array(z.object({name: z.string().optional()})).optional(), authors: z.array(z.object({first_name: z.string().optional(), last_name: z.string().optional(), email_address: z.string().optional()})).optional(), markup: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().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
};

/**
 * Fetch Blog Post
 * 
 * GET /blogs/posts/{id}
 * 
 * Also accepts auth: OAuth2
 */
export const getApiBlogsPostsId = async (args: GetApiBlogsPostsIdArgs, options?: GetApiBlogsPostsIdOptions) => {
const {baseUrl = "https://myworkspace.myclickfunnels.com/api/v2", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

for (const item of args['expand[]'] ?? []) query.append("expand[]", String(item))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/blogs/posts/${encodeURIComponent(String(args.id))}${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(blogsPostAttributes, await res.json())
};