import {z} from 'zod'

export type GetApiFeaturesFeatureIdRequirementsArgs = {feature_id: string, page?: string | undefined, per_page?: string | undefined, updated_since?: string | undefined};

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

export const requirementsGetResponse = z.object({requirement: z.object({id: z.string().optional(), name: z.string().optional(), reference_num: z.string().optional(), position: z.number().int().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), release_id: z.number().int().optional(), start_date: z.string().optional(), end_date: z.string().optional(), created_by_user: z.object({id: z.string().optional(), name: z.string().optional(), email: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional()}).optional(), workflow_status: z.object({id: z.string().optional(), name: z.string().optional(), position: z.number().int().optional(), complete: z.boolean().optional(), color: z.string().optional(), workflow_status_category: z.unknown()}).optional(), url: z.string().optional(), resource: z.string().optional(), description: z.object({id: z.string().optional(), body: z.string().optional(), notable_id: z.string().optional(), notable_type: z.string().optional(), editor_version: z.number().int().optional(), created_at: z.string().optional(), updated_at: z.string().optional(), attachments: z.array(z.unknown()).optional()}).optional(), feature: z.object({id: z.string().optional(), name: z.string().optional(), reference_num: z.string().optional(), created_at: z.string().optional(), product_id: z.string().optional(), url: z.string().optional(), resource: z.string().optional()}).optional(), assigned_to_user: z.object({default_assignee: z.boolean().optional(), id: z.string().optional(), name: z.string().optional(), email: z.string().optional(), created_at: z.string().optional(), updated_at: z.string().optional()}).optional(), attachments: z.array(z.unknown()).optional(), tags: z.array(z.unknown()).optional(), full_tags: z.array(z.unknown()).optional(), custom_fields: z.array(z.object({id: z.string().optional(), key: z.string().optional(), name: z.string().optional(), updatedAt: z.string().optional(), type: z.string().optional(), value: z.string().optional()})).optional(), integration_fields: z.array(z.object({id: z.string().optional(), name: z.string().optional(), value: z.string().optional(), integration_id: z.string().optional(), service_name: z.string().optional(), created_at: z.string().optional()})).optional(), comments_count: 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
};

/**
 * Get requirements updated after a certain time
 * 
 * GET /features/{feature_id}/requirements
 * 
 * Also accepts auth: ApiKeyAuth, CookieAuth
 */
export const getApiFeaturesFeatureIdRequirements = async (args: GetApiFeaturesFeatureIdRequirementsArgs, options?: GetApiFeaturesFeatureIdRequirementsOptions) => {
const {baseUrl = "https://company.aha.io/api/v1", fetch: fetchFn = fetch, OAuth2} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json; charset=utf-8")

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.updated_since != null) query.append("updated_since", String(args.updated_since))
if (OAuth2 !== undefined) headers.set('authorization', `Bearer ${OAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/features/${encodeURIComponent(String(args.feature_id))}/requirements${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(requirementsGetResponse, await res.json())
};