import {z} from 'zod'

export type GetApiV2CourseTopicsArgs = {Authorization: string, tags?: string | undefined, tag_ids?: string | undefined, lang?: string | undefined};

export type GetApiV2CourseTopicsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const bluenteInternalCourseV2ModelCustomTime = z.object({"time.Time": z.string().optional()});

export const bluenteInternalCourseV2ModelCourseTopic = z.object({app_id: z.number().int().optional(), created_at: bluenteInternalCourseV2ModelCustomTime.optional(), deleted: z.number().int().optional(), description: z.string().optional(), id: z.number().int().optional(), image_url: z.string().optional(), tag_ids: z.array(z.number().int()).optional(), topic_name: z.string().optional(), updated_at: bluenteInternalCourseV2ModelCustomTime.optional()});

export const getApiV2CourseTopicsResponse = z.object({code: z.number().int().optional(), data: z.object({list: z.array(bluenteInternalCourseV2ModelCourseTopic).optional(), next_token: z.string().optional()}).optional(), message: 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
};

/**
 * Get list of courses topics
 * 
 * GET /v2/course/topics
 */
export const getApiV2CourseTopics = async (args: GetApiV2CourseTopicsArgs, options: GetApiV2CourseTopicsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))
if (args.tags != null) query.append("tags", String(args.tags))
if (args.tag_ids != null) query.append("tag_ids", String(args.tag_ids))
if (args.lang != null) query.append("lang", String(args.lang))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/course/topics${query.size > 0 ? `?${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(getApiV2CourseTopicsResponse, await res.json())
};