import {z} from 'zod'

export type GetApiV1EmailsEmailIdArgs = {emailId: string};

export type GetApiV1EmailsEmailIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1EmailsEmailIdResponse = z.object({id: z.string(), teamId: z.number(), to: z.union([z.string(), z.array(z.string())]), replyTo: z.union([z.string(), z.array(z.string())]).optional(), cc: z.union([z.string(), z.array(z.string())]).optional(), bcc: z.union([z.string(), z.array(z.string())]).optional(), from: z.string(), subject: z.string(), html: z.string().nullable(), text: z.string().nullable(), createdAt: z.string(), updatedAt: z.string(), emailEvents: z.array(z.object({emailId: z.string(), status: z.enum(["SCHEDULED", "QUEUED", "SENT", "DELIVERY_DELAYED", "BOUNCED", "REJECTED", "RENDERING_FAILURE", "DELIVERED", "OPENED", "CLICKED", "COMPLAINED", "FAILED", "CANCELLED", "SUPPRESSED"]), createdAt: z.string(), data: z.unknown()}))});

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 /v1/emails/{emailId}
 */
export const getApiV1EmailsEmailId = async (args: GetApiV1EmailsEmailIdArgs, options?: GetApiV1EmailsEmailIdOptions) => {
const {baseUrl = "https://app.usesend.com/api", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/emails/${encodeURIComponent(String(args.emailId))}${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(getApiV1EmailsEmailIdResponse, await res.json())
};