import {z} from 'zod'

export type GetApiApprovalsIdArgs = {id: string};

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

export const approvalResponse = z.object({approvable: z.object({updatedAt: z.string(), createdAt: z.string(), workflowType: z.string(), status: z.enum(["requested", "approved", "declined", "cancelled", "deleted", "failed"]), authorId: z.string(), id: z.string()}), data: z.union([z.object({workflowType: z.string().optional(), updatedAt: z.string().optional(), createdAt: z.string().optional(), authorId: z.string().optional(), status: z.string().nullable().optional(), amount: z.string().optional(), recipientWalletId: z.string().nullable().optional(), senderWalletId: z.string().nullable().optional(), moneyFlowId: z.string().optional()}), z.object({updatedAt: z.string().optional(), createdAt: z.string().optional(), status: z.string().optional(), avatarUrl: z.string().optional(), phone: z.string().optional(), email: z.string().optional(), name: z.string().optional(), businessId: z.string().optional(), userId: z.string().optional(), id: z.string().optional()})])});

export const errorResponse = z.object({error: z.string()});

export const getApiApprovalsIdResponse = z.union([approvalResponse, errorResponse]);

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 Approval by ID
 * 
 * GET /approvals/{id}
 */
export const getApiApprovalsId = async (args: GetApiApprovalsIdArgs, options: GetApiApprovalsIdOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/approvals/${encodeURIComponent(String(args.id))}${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(getApiApprovalsIdResponse, await res.json())
};