import {z} from 'zod'

export type GetApiV1SignalsArgs = {page?: number | undefined, per_page?: number | undefined, q?: string | undefined, external_id?: string | undefined, start_date?: string | undefined, end_date?: string | undefined, starting_at?: string | undefined, ending_at?: string | undefined, batch_id?: string | undefined, model_slug?: string | undefined, reason_codes?: string | undefined};

export type GetApiV1SignalsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const signalRequester = z.object({id: z.string(), type: z.string(), name: z.string()});

export const signalReasonsItemCategory = z.enum(["identification", "verification", "evaluation"]);

export const signalReasonsItemCode = z.enum(["I301", "I302", "I304", "I102", "I103", "I107", "I108", "I109", "I111", "I601", "I603", "I201", "I202", "I203", "I204", "V010", "V011", "V101", "V102", "V103", "V104", "V501", "V502", "V503", "V505", "V748", "V749", "V750", "V751", "V752", "V753", "V801", "V1101", "V1201", "V1302", "E500", "E501", "E502", "E503", "E1101", "E1102", "E1201"]);

export const signalReasonsItem = z.object({category: signalReasonsItemCategory, group: z.string(), description: z.string(), code: signalReasonsItemCode, importance: z.string().optional()});

export const signal = z.object({object: z.string(), id: z.string(), name: z.string(), tin: z.string().nullable().optional(), external_id: z.string().nullable().optional(), model_slug: z.string().optional(), score: z.string().nullable().optional(), business_id: z.string().nullable().optional(), batch_id: z.string().nullable().optional(), requester: signalRequester.optional(), reasons: z.array(signalReasonsItem).optional(), addresses: z.array(z.string()).optional(), people: z.array(z.string()).optional(), created_at: z.string()});

export const signalsListSignalsResponse = z.object({data: z.array(signal), object: z.string(), has_more: z.boolean(), total_count: z.number().int().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
};

/**
 * List signals
 * 
 * GET /v1/signals
 */
export const getApiV1Signals = async (args: GetApiV1SignalsArgs, options?: GetApiV1SignalsOptions) => {
const {baseUrl = "https://api.middesk.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.q != null) query.append("q", String(args.q))
if (args.external_id != null) query.append("external_id", String(args.external_id))
if (args.start_date != null) query.append("start_date", String(args.start_date))
if (args.end_date != null) query.append("end_date", String(args.end_date))
if (args.starting_at != null) query.append("starting_at", String(args.starting_at))
if (args.ending_at != null) query.append("ending_at", String(args.ending_at))
if (args.batch_id != null) query.append("batch_id", String(args.batch_id))
if (args.model_slug != null) query.append("model_slug", String(args.model_slug))
if (args.reason_codes != null) query.append("reason_codes", String(args.reason_codes))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/signals${query.size > 0 ? `?${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(signalsListSignalsResponse, await res.json())
};