import {z} from 'zod'

export type GetApiV1DisputesArgs = {from_date?: string | undefined, to_date?: string | undefined, from_settled_date?: string | undefined, to_settled_date?: string | undefined, status?: ('needs_response' | 'under_review' | 'lost' | 'won') | undefined, page?: string | undefined, display_size?: string | undefined};

export type GetApiV1DisputesOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const link = z.object({href: z.string().optional(), method: z.string().optional()});

export const searchNavigationLinks = z.object({first_page: link.optional(), last_page: link.optional(), next_page: link.optional(), prev_page: link.optional(), self: link.optional()});

export const disputeLinksForSearch = z.object({payment: link.optional()});

export const settlementSummary = z.object({settled_date: z.string().optional()});

export const disputeDetailForSearch = z.object({_links: disputeLinksForSearch.optional(), amount: z.number().int().optional(), created_date: z.string().optional(), dispute_id: z.string().optional(), evidence_due_date: z.string().optional(), fee: z.number().int().optional(), net_amount: z.number().int().optional(), payment_id: z.string().optional(), reason: z.string().optional(), settlement_summary: settlementSummary.optional(), status: z.string().optional()});

export const disputesSearchResults = z.object({count: z.number().int().optional(), links: searchNavigationLinks.optional(), page: z.number().int().optional(), results: z.array(disputeDetailForSearch).optional(), total: z.number().int().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
};

/**
 * Search disputes
 * 
 * GET /v1/disputes
 */
export const getApiV1Disputes = async (args: GetApiV1DisputesArgs, options?: GetApiV1DisputesOptions) => {
const {baseUrl = "https://publicapi.payments.service.gov.uk", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.from_date != null) query.append("from_date", String(args.from_date))
if (args.to_date != null) query.append("to_date", String(args.to_date))
if (args.from_settled_date != null) query.append("from_settled_date", String(args.from_settled_date))
if (args.to_settled_date != null) query.append("to_settled_date", String(args.to_settled_date))
if (args.status != null) query.append("status", String(args.status))
if (args.page != null) query.append("page", String(args.page))
if (args.display_size != null) query.append("display_size", String(args.display_size))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/disputes${query.size > 0 ? `?${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(disputesSearchResults, await res.json())
};