import {z} from 'zod'

export type GeoPoint = {lat: string, lon: string};

export type Location = {geopoint?: GeoPoint | undefined, radius?: number | undefined, unit?: ('m' | 'mi' | 'km' | 'ft') | undefined, saved_location_id?: string | undefined};

export type Industry = 'accommodation' | 'cpg' | 'tourism' | 'marketing' | 'parking' | 'restaurants' | 'retail' | 'transportation' | 'other';

export type Interval = 'day' | 'week';

export type Weekday = 'monday' | 'tuesday' | 'wednesday' | 'thursday' | 'friday' | 'saturday' | 'sunday';

export type CurrencyCode = 'USD' | 'EUR' | 'GBP' | 'AUD' | 'CAD';

export type DemandType = {industry?: Industry | undefined, interval?: Interval | undefined, week_start_day?: Weekday | undefined, unit_descriptor?: string | undefined, currency_code?: CurrencyCode | undefined, unit_currency_multiplier?: number | undefined};

export type RankType = 'phq' | 'local';

export type RankLevel = {min: number, max?: number | undefined};

export type RankLevels = {phq?: RankLevel | undefined, local?: RankLevel | undefined};

export type Rank = {type: RankType, levels?: RankLevels | undefined};

export type PutAnalysisRequest = {name: string, location: Location, demand_type?: DemandType | undefined, external_id?: string | undefined, label?: Array<string> | undefined, rank?: Rank | undefined};

export type CreateApiV1BeamAnalysesArgs = {body: PutAnalysisRequest};

export type CreateApiV1BeamAnalysesOptions = {baseUrl?: string | undefined, BearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const analysisIdResponse = z.object({analysis_id: z.string().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 an Analysis
 * 
 * POST /v1/beam/analyses
 */
export const createApiV1BeamAnalyses = async (args: CreateApiV1BeamAnalysesArgs, options?: CreateApiV1BeamAnalysesOptions) => {
const {baseUrl = "https://api.predicthq.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

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

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