import {z} from 'zod'

export type ContactItem = {firstName: string, lastName: string, companyDomain?: string | undefined, companyName?: string | undefined};

export type ContactIdentifiersBatch = {linkedinUrls?: Array<string> | undefined, contacts?: Array<ContactItem> | undefined, emails?: Array<string> | undefined, ids?: Array<string> | undefined, contactIds?: Array<number> | undefined};

export type ContactLookalikesRequest = {dedupeSessionId?: string | undefined, seeds: ContactIdentifiersBatch, exclude?: ContactIdentifiersBatch | undefined, limit?: number | undefined, tableId?: string | undefined};

export type CreateApiV3ContactsLookalikeArgs = {body: ContactLookalikesRequest};

export type CreateApiV3ContactsLookalikeOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const v3LookAlikeContactResult = z.object({id: z.string().optional(), firstName: z.string().optional(), lastName: z.string().optional(), socialLinks: z.object({linkedin: z.string().optional()}).optional(), company: z.object({id: z.string().optional(), name: z.string().optional(), domain: z.string().optional()}).optional(), jobTitle: z.object({title: z.string().optional(), departments: z.array(z.string()).optional(), seniority: z.string().optional()}).optional(), location: z.object({country: z.string().optional(), state: z.string().optional(), city: z.string().optional()}).optional()});

export const contactLookalikesMeta = z.object({returned: z.number().int(), hasMore: z.boolean()});

export const tableWrite = z.object({tableId: z.string().optional(), added: z.number().int().optional(), alreadyPresent: z.number().int().optional(), columnsCreated: z.number().int().optional(), rowsProcessed: z.number().int().optional(), rowsCharged: z.number().int().optional(), rowsAlreadyPaidInTable: z.number().int().optional(), creditsCharged: z.number().int().optional()});

export const v3Billing = z.object({creditsCharged: z.number().int().optional(), resultsReturned: z.number().int().optional()});

export const contactLookalikesResponse = z.object({dedupeSessionId: z.string().nullable(), results: z.array(v3LookAlikeContactResult), meta: contactLookalikesMeta, tableWrite: tableWrite.optional(), billing: v3Billing.optional()});

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
};

/**
 * Contact Lookalikes
 * 
 * POST /v3/contacts/lookalike
 */
export const createApiV3ContactsLookalike = async (args: CreateApiV3ContactsLookalikeArgs, options?: CreateApiV3ContactsLookalikeOptions) => {
const {baseUrl = "https://api.lusha.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("api_key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v3/contacts/lookalike${query.size > 0 ? `?${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(contactLookalikesResponse, await res.json())
};