import {z} from 'zod'

export type UserRef = {id: unknown, user: number};

export type Case = {id: number, name: string, comment?: string | undefined, tag?: Array<string> | undefined, auditedInstitution?: (Array<{id?: unknown | undefined, user?: number | undefined}>) | undefined, responsibleUser?: Array<UserRef> | undefined, notifiedUser?: Array<UserRef> | undefined, features?: Array<string> | undefined, letterCount?: number | undefined, noteCount?: number | undefined, eventCount?: number | undefined, createdOn: unknown, createdBy: string, modifiedOn: unknown, modifiedBy: string};

export type CreateApiCaseArgs = {body: Case};

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

export const userRef = z.object({id: z.string(), user: z.number()});

export const case = z.object({id: z.number(), name: z.string(), comment: z.string().optional(), tag: z.array(z.string()).optional(), auditedInstitution: z.array(z.object({id: z.string().optional(), user: z.number().optional()})).optional(), responsibleUser: z.array(userRef).optional(), notifiedUser: z.array(userRef).optional(), features: z.array(z.string()).optional(), letterCount: z.number().optional(), noteCount: z.number().optional(), eventCount: z.number().optional(), createdOn: z.string(), createdBy: z.string(), modifiedOn: z.string(), modifiedBy: z.string()});

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
};

/**
 * Create a case
 * 
 * POST /case
 */
export const createApiCase = async (args: CreateApiCaseArgs, options?: CreateApiCaseOptions) => {
const {baseUrl = "https://small-eod.siecobywatelska.pl/v1", fetch: fetchFn = fetch, sessionAuth} = options ?? {}

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

if (sessionAuth !== undefined) cookies.push("session=" + encodeURIComponent(sessionAuth))

const url = `${baseUrl.replace(/\/+$/, '')}/case${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(case, await res.json())
};