import {z} from 'zod'

export type GetApiCrmLeadsArgs = {fields?: (string | null) | undefined, pageSize?: (string | null) | undefined, cursor?: (string | null) | undefined, associations?: (string | null) | undefined};

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

export const commonResponseStatus = z.enum(["ok", "error"]);

export const commonLead = z.object({id: z.string(), remoteId: z.string(), createdTimestamp: z.unknown(), updatedTimestamp: z.unknown(), additional: z.unknown(), firstName: z.string(), lastName: z.string(), phone: z.string(), email: z.string()});

export const crmGetLeadsResponse = z.object({status: commonResponseStatus, next: z.string().nullable().optional(), previous: z.string().nullable().optional(), results: z.array(commonLead)});

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 all the leads
 * 
 * GET /crm/leads
 */
export const getApiCrmLeads = async (args: GetApiCrmLeadsArgs, options?: GetApiCrmLeadsOptions) => {
const {baseUrl = "https://api.revert.dev", fetch: fetchFn = fetch} = options ?? {}

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

if (args.fields != null) query.append("fields", String(args.fields))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.cursor != null) query.append("cursor", String(args.cursor))
if (args.associations != null) query.append("associations", String(args.associations))

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