import {z} from 'zod'

export type PaginationFirst = number;

export type PaginationAfter = string;

export type CheckoutId = string;

export type Reference = string;

export type CheckoutStatus = 'initiated' | 'started' | 'in_progress' | 'completed' | 'failed' | 'unattempted';

export type AccountLegalName = string;

export type QueryCheckoutsRequest = {type: 'checkouts', first?: PaginationFirst | undefined, after?: PaginationAfter | undefined, filters?: ({id?: CheckoutId | undefined, reference?: Reference | undefined, statuses?: Array<CheckoutStatus> | undefined, seller_legal_name?: AccountLegalName | undefined}) | undefined, sorts?: (Array<{field: 'created_at' | 'amount' | 'seller_legal_name', direction: 'ascending' | 'descending'}>) | undefined};

export type CreateApiV2CheckoutsQueryArgs = {'Getpaid-Idempotency-Key': string, body: QueryCheckoutsRequest};

export type CreateApiV2CheckoutsQueryOptions = {baseUrl?: string | undefined, OAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const checkoutId = z.string().min(30).max(50);

export const reference = z.string().min(1).max(50);

export const checkoutStatus = z.enum(["initiated", "started", "in_progress", "completed", "failed", "unattempted"]);

export const amountMinor = z.number().int();

export const currency = z.string().min(3).max(3);

export const createdAt = z.string().min(24).max(24);

export const updatedAt = z.string().min(24).max(24);

export const checkoutExpiresAt = z.string().min(24).max(24);

export const queryPaymentMethodHint = z.object({type: z.enum(["card", "sepa_direct_debit"]), scheme: z.string().optional()});

export const accountId = z.string().min(30).max(50);

export const accountLegalName = z.string().min(1).max(250);

export const sellerRef = z.object({id: accountId, legal_name: accountLegalName});

export const partyRef = z.object({id: accountId, type: z.enum(["platform", "other"]), legal_name: accountLegalName});

export const queryCheckoutsResponse = z.object({type: z.literal("checkouts"), cursor: z.string().max(250).optional(), data: z.array(z.object({id: checkoutId, reference: reference, status: checkoutStatus, amount: amountMinor, currency: currency, created_at: createdAt, updated_at: updatedAt, expires_at: checkoutExpiresAt, payment_methods: z.array(queryPaymentMethodHint), seller: sellerRef, parties: z.array(partyRef)}))});

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
};

/**
 * Query checkouts
 * 
 * POST /v2/checkouts/query
 * 
 * Also accepts auth: OAuth
 */
export const createApiV2CheckoutsQuery = async (args: CreateApiV2CheckoutsQueryArgs, options?: CreateApiV2CheckoutsQueryOptions) => {
const {baseUrl = "https://api.getpaid.io", fetch: fetchFn = fetch, OAuth} = options ?? {}

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

if (args['Getpaid-Idempotency-Key'] != null) headers.set("Getpaid-Idempotency-Key", String(args['Getpaid-Idempotency-Key']))
if (OAuth !== undefined) headers.set('authorization', `Bearer ${OAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/checkouts/query${query.size > 0 ? `?${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(queryCheckoutsResponse, await res.json())
};