import {z} from 'zod'

export type CloseChecklistTaskStatus = 'NOT_STARTED' | 'IN_REVIEW' | 'COMPLETE';

export type GetApiCloseChecklistsPeriodTasksArgs = {period: unknown, status?: CloseChecklistTaskStatus | undefined, preparer_ids?: Array<string> | undefined, reviewer_ids?: Array<string> | undefined};

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

export const closeChecklistTaskStatus = z.enum(["NOT_STARTED", "IN_REVIEW", "COMPLETE"]);

export const closeChecklistTaskReviewer = z.object({user_id: z.string(), order: z.number().int(), signed_off_at: z.string().optional()});

export const closeChecklistTask = z.object({id: z.string(), name: z.string(), notes: z.string().optional(), due_date: z.string().optional(), accounting_area: z.string().optional(), status: closeChecklistTaskStatus, preparer_id: z.string().optional(), completed_by: z.string().optional(), completed_at: z.string().optional(), reviewers: z.array(closeChecklistTaskReviewer), reviewed_by: z.string().optional(), reviewed_at: z.string().optional(), link_urls: z.array(z.string()), attachment_ids: z.array(z.string())});

export const closeChecklist = z.object({period: z.string(), tasks: z.array(closeChecklistTask)});

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
};

/**
 * Lists close checklist tasks
 * 
 * GET /close-checklists/{period}/tasks
 */
export const getApiCloseChecklistsPeriodTasks = async (args: GetApiCloseChecklistsPeriodTasksArgs, options?: GetApiCloseChecklistsPeriodTasksOptions) => {
const {baseUrl = "https://api.rillet.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.status != null) query.append("status", String(args.status))
for (const item of args.preparer_ids ?? []) query.append("preparer_ids", String(item))
for (const item of args.reviewer_ids ?? []) query.append("reviewer_ids", String(item))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/close-checklists/${encodeURIComponent(String(args.period))}/tasks${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(closeChecklist, await res.json())
};