import {z} from 'zod'

export type GetApiApiV1PostsArgs = {limit?: number | undefined, offset?: number | undefined, status?: ('draft' | 'published' | 'archived' | 'deleted') | undefined, category_id?: number | undefined, sub_category_id?: number | undefined, search?: string | undefined, sort_by?: ('created_at' | 'updated_at' | 'view_count' | 'title') | undefined, sort_order?: ('ASC' | 'DESC') | undefined};

export type GetApiApiV1PostsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const postListItem = z.object({id: z.number().int().optional(), slug: z.string().optional(), title: z.string().optional(), summary: z.string().optional(), meta_description: z.string().optional(), keywords: z.string().optional(), category_id: z.number().int().optional(), sub_category_id: z.number().int().nullable().optional(), is_featured: z.boolean().optional(), is_pinned: z.boolean().optional(), created_by: z.number().int().optional(), view_count: z.number().int().optional(), content_length: z.number().int().optional(), created_at: z.string().optional()});

export const postListResponse = z.object({status: z.boolean().optional(), message: z.string().optional(), data: z.array(postListItem).optional(), meta: z.object({total: z.number().int().optional(), limit: z.number().int().optional(), offset: z.number().int().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 posts
 * 
 * GET /api/v1/posts
 */
export const getApiApiV1Posts = async (args: GetApiApiV1PostsArgs, options?: GetApiApiV1PostsOptions) => {
const {baseUrl = "https://postal.nesohq.org", fetch: fetchFn = fetch} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.status != null) query.append("status", String(args.status))
if (args.category_id != null) query.append("category_id", String(args.category_id))
if (args.sub_category_id != null) query.append("sub_category_id", String(args.sub_category_id))
if (args.search != null) query.append("search", String(args.search))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.sort_order != null) query.append("sort_order", String(args.sort_order))

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