import {z} from 'zod'

export type FormEntrySortField = 'dateSent' | 'status' | 'deadline' | 'dateSubmitted' | 'requestFormEntryStatus';

export type FormEntrySortOrder = 'ascending' | 'descending';

export type GetApiV4EntriesMetadataFormsFormIdArgs = {formId: string, continuationToken?: string | undefined, size?: number | undefined, ProjectIds?: Array<string> | undefined, States?: (Array<'submitted' | 'editable'>) | undefined, 'SortBy.sort'?: FormEntrySortField | undefined, 'SortBy.direction'?: FormEntrySortOrder | undefined, Statuses?: Array<string> | undefined, SentDateFrom?: string | undefined, SentDateTo?: string | undefined, DeadlineDateFrom?: string | undefined, DeadlineDateTo?: string | undefined, RequestFormEntryStatuses?: (Array<'new' | 'in_progress' | 'accepted' | 'declined' | 'completed'>) | undefined, SubmittedDateFrom?: string | undefined, SubmittedDateTo?: string | undefined};

export type GetApiV4EntriesMetadataFormsFormIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const anyFormTypeInitialFormEntryMetadataResponse = z.object({formType: z.enum(["additional", "initial", "reference", "review", "internal", "eligibility", "request"]).nullable()});

export const anyFormTypeAdditionalFormEntryMetadataResponse = z.object({formType: z.enum(["additional", "initial", "reference", "review", "internal", "eligibility", "request"]).nullable()});

export const anyFormTypeInternalFormEntryMetadataResponse = z.object({formType: z.enum(["additional", "initial", "reference", "review", "internal", "eligibility", "request"]).nullable()});

export const anyFormTypeReferenceFormEntryMetadataResponse = z.object({formType: z.enum(["additional", "initial", "reference", "review", "internal", "eligibility", "request"]).nullable()});

export const anyFormTypeReviewFormEntryMetadataResponse = z.object({formType: z.enum(["additional", "initial", "reference", "review", "internal", "eligibility", "request"]).nullable()});

export const anyFormTypeEligibilityFormEntryMetadataResponse = z.object({formType: z.enum(["additional", "initial", "reference", "review", "internal", "eligibility", "request"]).nullable()});

export const anyFormTypeRequestFormEntryMetadataResponse = z.object({formType: z.enum(["additional", "initial", "reference", "review", "internal", "eligibility", "request"]).nullable()});

export const continuationTokenResponseAnyFormTypeEntryMetadataResponse = z.object({continuationToken: z.string().nullable().optional(), items: z.array(z.discriminatedUnion("formType", [anyFormTypeInitialFormEntryMetadataResponse, anyFormTypeAdditionalFormEntryMetadataResponse, anyFormTypeInternalFormEntryMetadataResponse, anyFormTypeReferenceFormEntryMetadataResponse, anyFormTypeReviewFormEntryMetadataResponse, anyFormTypeEligibilityFormEntryMetadataResponse, anyFormTypeRequestFormEntryMetadataResponse])).nullable().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 a page of form entry metadata
 * 
 * GET /v4/entries/metadata/forms/{formId}
 */
export const getApiV4EntriesMetadataFormsFormId = async (args: GetApiV4EntriesMetadataFormsFormIdArgs, options?: GetApiV4EntriesMetadataFormsFormIdOptions) => {
const {baseUrl = "https://submittable-api.submittable.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.continuationToken != null) query.append("continuationToken", String(args.continuationToken))
if (args.size != null) query.append("size", String(args.size))
for (const item of args.ProjectIds ?? []) query.append("ProjectIds", String(item))
for (const item of args.States ?? []) query.append("States", String(item))
if (args['SortBy.sort'] != null) query.append("SortBy.sort", String(args['SortBy.sort']))
if (args['SortBy.direction'] != null) query.append("SortBy.direction", String(args['SortBy.direction']))
for (const item of args.Statuses ?? []) query.append("Statuses", String(item))
if (args.SentDateFrom != null) query.append("SentDateFrom", String(args.SentDateFrom))
if (args.SentDateTo != null) query.append("SentDateTo", String(args.SentDateTo))
if (args.DeadlineDateFrom != null) query.append("DeadlineDateFrom", String(args.DeadlineDateFrom))
if (args.DeadlineDateTo != null) query.append("DeadlineDateTo", String(args.DeadlineDateTo))
for (const item of args.RequestFormEntryStatuses ?? []) query.append("RequestFormEntryStatuses", String(item))
if (args.SubmittedDateFrom != null) query.append("SubmittedDateFrom", String(args.SubmittedDateFrom))
if (args.SubmittedDateTo != null) query.append("SubmittedDateTo", String(args.SubmittedDateTo))

const url = `${baseUrl.replace(/\/+$/, '')}/v4/entries/metadata/forms/${encodeURIComponent(String(args.formId))}${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(continuationTokenResponseAnyFormTypeEntryMetadataResponse, await res.json())
};