import {z} from 'zod'

export type SearchSignalsFilter = {organization_ids?: (Array<number> | null) | undefined, person_ids?: (Array<number> | null) | undefined, signal_ids?: (Array<number> | null) | undefined, technology_slugs?: (Array<string> | null) | undefined, job_functions?: (Array<string> | null) | undefined, priorities?: (Array<'high' | 'medium' | 'low'> | null) | undefined, account_list_ids?: (Array<number> | null) | undefined};

export type SearchSignalsRequest = {filter?: SearchSignalsFilter | undefined};

export type CreateApiV9SignalsArgs = {body: SearchSignalsRequest};

export type CreateApiV9SignalsOptions = {baseUrl?: string | undefined, apiToken?: string | undefined, fetch?: typeof fetch | undefined};

export const signalTechnology = z.object({name: z.string(), slug: z.string(), label: z.string().nullable().optional()});

export const suggestedContact = z.object({person_id: z.number().int().nullable().optional(), name: z.string().nullable().optional(), title: z.string().nullable().optional(), linkedin_url: z.string().nullable().optional(), score: z.number().nullable().optional()});

export const suggestedContacts = z.object({people: z.array(suggestedContact), sumble_url: z.string().nullable().optional()});

export const signal = z.object({signal_id: z.number().int().nullable().optional(), title: z.string(), subtitle: z.string().nullable().optional(), explanation: z.string().nullable().optional(), sales_angle: z.string().nullable().optional(), date: z.string(), sumble_url: z.string().nullable().optional(), display_type: z.string(), type: z.string().nullable().optional(), matched_technologies: z.array(signalTechnology).nullable().optional(), organization_name: z.string().nullable().optional(), organization_id: z.number().int().nullable().optional(), job_post_id: z.number().int().nullable().optional(), person_id: z.number().int().nullable().optional(), linkedin_url: z.string().nullable().optional(), location: z.string().nullable().optional(), job_function: z.string().nullable().optional(), priority: z.string().nullable().optional(), suggested_contacts: suggestedContacts.nullable().optional(), account_status: z.enum(["customer", "prospect", "not_in_crm"]).nullable().optional()});

export const signalsResponse = z.object({id: z.string(), credits_used: z.number().int(), credits_remaining: z.number().int(), signals: z.array(signal)});

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
};

/**
 * Search signals
 * 
 * POST /v9/signals
 */
export const createApiV9Signals = async (args: CreateApiV9SignalsArgs, options?: CreateApiV9SignalsOptions) => {
const {baseUrl = "https://api.sumble.com", fetch: fetchFn = fetch, apiToken} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v9/signals${query.size > 0 ? `?${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(signalsResponse, await res.json())
};