import {z} from 'zod'

export type GetApiV1BlogPostsArgs = {sort?: string | undefined, 'page[number]'?: number | undefined, 'page[size]'?: number | undefined, 'fields[blog_posts]'?: string | undefined, 'filter[title_cont]'?: string | undefined};

export type GetApiV1BlogPostsOptions = {baseUrl?: string | undefined, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const blogPostsAttributes = z.object({title: z.string().optional(), url: z.string().optional(), content: z.string().optional(), slug: z.string().optional(), page_title: z.string().optional(), page_description: z.string().optional(), published_at: z.string().nullable().optional(), created_at: z.string().optional(), updated_at: z.string().optional()});

export const resourceIdentifier = z.object({id: z.string(), type: z.string()});

export const blogPostsIndexResponse = z.object({data: z.array(z.object({id: z.string().optional(), type: z.literal("blog_posts").optional(), attributes: blogPostsAttributes.optional(), relationships: z.object({blog: z.object({data: resourceIdentifier.optional()}).optional()}).optional()})).optional(), links: z.object({self: z.string().optional(), current: z.string().optional()}).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
};

/**
 * List blog posts
 * 
 * GET /v1/blog_posts
 */
export const getApiV1BlogPosts = async (args: GetApiV1BlogPostsArgs, options?: GetApiV1BlogPostsOptions) => {
const {baseUrl = "https://api.kajabi.com", fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.sort != null) query.append("sort", String(args.sort))
if (args['page[number]'] != null) query.append("page[number]", String(args['page[number]']))
if (args['page[size]'] != null) query.append("page[size]", String(args['page[size]']))
if (args['fields[blog_posts]'] != null) query.append("fields[blog_posts]", String(args['fields[blog_posts]']))
if (args['filter[title_cont]'] != null) query.append("filter[title_cont]", String(args['filter[title_cont]']))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/blog_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(blogPostsIndexResponse, await res.json())
};