import {z} from 'zod'

export type GetApiRestServicedeskapiServicedeskServiceDeskIdKnowledgebaseArticleArgs = {serviceDeskId: string, query: string, highlight?: boolean | undefined, start?: number | undefined, limit?: number | undefined, cursor?: string | undefined, prev?: boolean | undefined};

export type GetApiRestServicedeskapiServicedeskServiceDeskIdKnowledgebaseArticleOptions = {baseUrl?: string | undefined, OAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const pagedLinkDTO = z.object({base: z.string().optional(), context: z.string().optional(), next: z.string().optional(), prev: z.string().optional(), self: z.string().optional()});

export const contentDTO = z.object({iframeSrc: z.string().optional()});

export const sourceDTO = z.object({type: z.literal("confluence").optional()}).and(z.record(z.string(), z.unknown()));

export const articleDTO = z.object({content: contentDTO.optional(), excerpt: z.string().optional(), source: sourceDTO.optional(), title: z.string().optional()});

export const pagedDTOArticleDTO = z.object({_expands: z.array(z.string()).optional(), _links: pagedLinkDTO.optional(), isLastPage: z.boolean().optional(), limit: z.number().int().optional(), size: z.number().int().optional(), start: z.number().int().optional(), values: z.array(articleDTO).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
};

/**
 * Get articles
 * 
 * GET /rest/servicedeskapi/servicedesk/{serviceDeskId}/knowledgebase/article
 */
export const getApiRestServicedeskapiServicedeskServiceDeskIdKnowledgebaseArticle = async (args: GetApiRestServicedeskapiServicedeskServiceDeskIdKnowledgebaseArticleArgs, options?: GetApiRestServicedeskapiServicedeskServiceDeskIdKnowledgebaseArticleOptions) => {
const {baseUrl = "https://your-domain.atlassian.net", fetch: fetchFn = fetch, OAuth2} = options ?? {}

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

if (args.query != null) query.append("query", String(args.query))
if (args.highlight != null) query.append("highlight", String(args.highlight))
if (args.start != null) query.append("start", String(args.start))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.prev != null) query.append("prev", String(args.prev))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/rest/servicedeskapi/servicedesk/${encodeURIComponent(String(args.serviceDeskId))}/knowledgebase/article${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(pagedDTOArticleDTO, await res.json())
};