import {z} from 'zod'

export type GetApiStatementsArgs = {afterId?: string | undefined, limit?: number | undefined, ids?: Array<string> | undefined, typeIds?: Array<string> | undefined, customerIds?: Array<string> | undefined, createdAfter?: string | undefined, createdBefore?: string | undefined, correctedAfter?: string | undefined, correctedBefore?: string | undefined};

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

export const statement = z.object({correctedAt: z.string().nullable().optional(), createdAt: z.string(), customerId: z.string().optional(), displayName: z.string(), id: z.string(), typeId: z.string()});

export const page = z.object({next: z.string().nullable().optional()});

export const getApiStatementsResponse = z.object({data: z.array(statement), page: page});

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
};

/**
 * List statements
 * 
 * GET /statements
 */
export const getApiStatements = async (args: GetApiStatementsArgs, options?: GetApiStatementsOptions) => {
const {baseUrl = "https://api.anchorage-staging.com/v2", fetch: fetchFn = fetch, ApiAccessKey} = options ?? {}

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

if (args.afterId != null) query.append("afterId", String(args.afterId))
if (args.limit != null) query.append("limit", String(args.limit))
for (const item of args.ids ?? []) query.append("ids", String(item))
for (const item of args.typeIds ?? []) query.append("typeIds", String(item))
for (const item of args.customerIds ?? []) query.append("customerIds", String(item))
if (args.createdAfter != null) query.append("createdAfter", String(args.createdAfter))
if (args.createdBefore != null) query.append("createdBefore", String(args.createdBefore))
if (args.correctedAfter != null) query.append("correctedAfter", String(args.correctedAfter))
if (args.correctedBefore != null) query.append("correctedBefore", String(args.correctedBefore))
if (ApiAccessKey !== undefined) headers.set("Api-Access-Key", ApiAccessKey)

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