import {z} from 'zod'

export type GetApiV1EiWellPermitsPreviewArgs = {state?: string | undefined, days?: number | undefined};

export type GetApiV1EiWellPermitsPreviewOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const stateWellPermit = z.object({api_number: z.string().optional(), state_code: z.string().optional(), county: z.string().nullable().optional(), permit_number: z.string().nullable().optional(), permit_type: z.string().nullable().optional(), permit_status: z.string().nullable().optional(), permit_date: z.string().nullable().optional(), operator: z.object({name: z.string().nullable().optional(), name_normalized: z.string().nullable().optional(), number: z.string().nullable().optional()}).optional(), well: z.object({name: z.string().nullable().optional(), number: z.string().nullable().optional(), type: z.string().nullable().optional()}).optional(), location: z.object({latitude: z.string().nullable().optional(), longitude: z.string().nullable().optional()}).optional(), target: z.object({formation: z.string().nullable().optional(), formation_normalized: z.string().nullable().optional(), total_depth_proposed: z.number().int().nullable().optional()}).optional(), provenance: z.object({source: z.string().optional(), fetched_at: z.string().nullable().optional()}).optional()});

export const getApiV1EiWellPermitsPreviewResponse = z.object({status: z.string(), data: z.object({well_permits: z.array(stateWellPermit), preview: z.boolean(), meta: z.object({state: z.string().optional(), days: z.number().int().optional(), count: z.number().int().optional(), row_cap: z.number().int().optional(), bounded: z.boolean().optional(), as_of: z.string().nullable().optional(), data_age_days: z.number().int().nullable().optional(), stale: z.boolean().optional(), as_of_basis: z.string().optional(), data_quality: z.record(z.string(), z.object({date_coverage: z.string().optional(), source: z.string().optional(), note: z.string().optional()})).optional(), upgrade: z.object({message: z.string().optional(), upgrade_url: z.string().optional()}).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
};

/**
 * Preview recent drilling permits for one state
 * 
 * GET /v1/ei/well-permits/preview
 */
export const getApiV1EiWellPermitsPreview = async (args: GetApiV1EiWellPermitsPreviewArgs, options?: GetApiV1EiWellPermitsPreviewOptions) => {
const {baseUrl = "https://api.oilpriceapi.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.state != null) query.append("state", String(args.state))
if (args.days != null) query.append("days", String(args.days))
if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/ei/well-permits/preview${query.size > 0 ? `?${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(getApiV1EiWellPermitsPreviewResponse, await res.json())
};