import {z} from 'zod'

export type Metadata = {[key: string]: unknown};

export type Upload = {contentType: 'image/vnd.climate.thermal.geotiff' | 'image/vnd.climate.ndvi.geotiff' | 'image/vnd.climate.rgb.geotiff' | 'image/vnd.climate.rgb-nir.geotiff' | 'image/vnd.climate.rgb-cir.geotiff' | 'image/vnd.climate.waterstress.geotiff' | 'image/vnd.climate.elevation.geotiff' | 'image/vnd.climate.raw.geotiff' | 'application/vnd.climate.field.geojson' | 'application/vnd.climate.rx.planting.shp' | 'application/vnd.climate.prescription.zones.shp' | 'application/vnd.climate.modus.xml' | 'application/vnd.climate.as-applied.zip' | 'application/vnd.climate.as-planted.zip' | 'application/vnd.climate.as-harvested.zip', md5: string, length: number, metadata?: Metadata | undefined};

export type CreateApiV4UploadsArgs = {'X-Recipient-Email'?: string | undefined, body: Upload};

export type CreateApiV4UploadsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const createdUpload = z.string();

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
};

/**
 * Initiate a new upload
 * 
 * POST /v4/uploads
 * 
 * Also accepts auth: oauth2_authorization_code
 */
export const createApiV4Uploads = async (args: CreateApiV4UploadsArgs, options?: CreateApiV4UploadsOptions) => {
const {baseUrl = "https://platform.climate.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args['X-Recipient-Email'] != null) headers.set("X-Recipient-Email", String(args['X-Recipient-Email']))
if (apiKey !== undefined) headers.set("X-Api-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v4/uploads${query.size > 0 ? `?${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(createdUpload, await res.json())
};