import {z} from 'zod'

export type CreateApiDistanceJobsArgs = {body: {name: string, origins: string, destinations: string, distance_mode?: ('"driving"' | '"haversine"' | '"straightline"' | null) | undefined, calculation_type?: ('"matrix"' | '"pairs"' | null) | undefined, units?: ('"miles"' | '"km"' | null) | undefined, max_results?: (number | null) | undefined, max_distance?: (number | null) | undefined, max_duration?: (number | null) | undefined, min_distance?: (number | null) | undefined, min_duration?: (number | null) | undefined, order_by?: ('"distance"' | '"duration"' | null) | undefined, sort_order?: ('"asc"' | '"desc"' | null) | undefined, fields?: (string | null) | undefined, callback_url?: (string | null) | undefined}};

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

export const warnings = z.array(z.string());

export const distanceMatrixJobCreated = z.object({id: z.number().int().optional(), identifier: z.string().optional(), status: z.string().optional(), name: z.string().optional(), created_at: z.string().optional(), origins_count: z.number().int().optional(), destinations_count: z.number().int().optional(), calculation_type: z.string().optional(), total_calculations: z.number().int().optional(), _warnings: warnings.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
};

/**
 * Create async distance matrix or one-to-one pairs job
 * 
 * POST /distance-jobs
 */
export const createApiDistanceJobs = async (args: CreateApiDistanceJobsArgs, options?: CreateApiDistanceJobsOptions) => {
const {baseUrl = "https://api.geocod.io/v2.1", fetch: fetchFn = fetch, geocodioApiKey} = options ?? {}

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

if (geocodioApiKey !== undefined) query.set("api_key", geocodioApiKey)

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