import {z} from 'zod'

export type GetApiContactsArgs = {list_id?: string | undefined, status?: ('subscribed' | 'pending' | 'unsubscribed' | 'bounced' | 'complained' | 'dormant') | undefined, query?: string | undefined, tag?: string | undefined, source?: ('form' | 'api' | 'import') | undefined, after?: string | undefined, before?: string | undefined, segment_id?: string | undefined, limit?: number | undefined, offset?: number | undefined};

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

export const getApiContactsResponse = z.object({data: z.array(z.object({id: z.string(), email: z.string(), name: z.string(), fields: z.object({plan: z.string()}), status: z.string(), consent: z.object({source: z.string(), basis: z.string(), importId: z.unknown(), optedInAt: z.string(), confirmedAt: z.unknown(), ip: z.unknown(), userAgent: z.unknown()}), unsubscribedAt: z.unknown(), dormant: z.boolean(), dormantAt: z.unknown(), engagement: z.object({sent: z.number().int(), opens: z.number().int(), clicks: z.number().int(), lastSentAt: z.string(), lastOpenedAt: z.string(), lastClickedAt: z.string(), sendsSinceEngaged: z.number().int()}), country: z.string(), tags: z.array(z.string()), lists: z.array(z.string()), createdAt: z.string(), updatedAt: z.string()})), count: z.number().int(), total: z.number().int()});

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 contacts
 * 
 * GET /contacts
 */
export const getApiContacts = async (args: GetApiContactsArgs, options?: GetApiContactsOptions) => {
const {baseUrl = "https://sendhq.cc/api/v1", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.list_id != null) query.append("list_id", String(args.list_id))
if (args.status != null) query.append("status", String(args.status))
if (args.query != null) query.append("query", String(args.query))
if (args.tag != null) query.append("tag", String(args.tag))
if (args.source != null) query.append("source", String(args.source))
if (args.after != null) query.append("after", String(args.after))
if (args.before != null) query.append("before", String(args.before))
if (args.segment_id != null) query.append("segment_id", String(args.segment_id))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

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