import {z} from 'zod'

export type GetApiApiBlockV1Args = {network?: ('finney' | 'nakamoto' | 'kusanagi' | 'testnet') | undefined, block_start?: number | undefined, block_end?: number | undefined, timestamp_start?: number | undefined, timestamp_end?: number | undefined, block_number?: number | undefined, hash?: string | undefined, spec_version?: number | undefined, validator?: string | undefined, order?: ('spec_version_asc' | 'spec_version_desc' | 'block_number_asc' | 'block_number_desc' | 'timestamp_asc' | 'timestamp_desc' | 'hash_asc' | 'hash_desc' | 'events_count_asc' | 'events_count_desc' | 'extrinsics_count_asc' | 'extrinsics_count_desc') | undefined, page?: number | undefined, limit?: number | undefined};

export type GetApiApiBlockV1Options = {baseUrl?: string | undefined, sec0?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiApiBlockV1Response = z.object({pagination: z.object({current_page: z.number().int().optional(), per_page: z.number().int().optional(), total_items: z.number().int().optional(), total_pages: z.number().int().optional(), next_page: z.number().int().optional(), prev_page: z.unknown()}).optional(), data: z.array(z.object({block_number: z.number().int().optional(), hash: z.string().optional(), parent_hash: z.string().optional(), state_root: z.string().optional(), extrinsics_root: z.string().optional(), spec_name: z.string().optional(), spec_version: z.number().int().optional(), impl_name: z.string().optional(), impl_version: z.number().int().optional(), timestamp: z.string().optional(), validator: z.unknown(), events_count: z.number().int().optional(), extrinsics_count: z.number().int().optional(), calls_count: z.number().int().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
};

/**
 * Get Blocks
 * 
 * GET /api/block/v1
 */
export const getApiApiBlockV1 = async (args: GetApiApiBlockV1Args, options?: GetApiApiBlockV1Options) => {
const {baseUrl = "https://api.taostats.io", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.network != null) query.append("network", String(args.network))
if (args.block_start != null) query.append("block_start", String(args.block_start))
if (args.block_end != null) query.append("block_end", String(args.block_end))
if (args.timestamp_start != null) query.append("timestamp_start", String(args.timestamp_start))
if (args.timestamp_end != null) query.append("timestamp_end", String(args.timestamp_end))
if (args.block_number != null) query.append("block_number", String(args.block_number))
if (args.hash != null) query.append("hash", String(args.hash))
if (args.spec_version != null) query.append("spec_version", String(args.spec_version))
if (args.validator != null) query.append("validator", String(args.validator))
if (args.order != null) query.append("order", String(args.order))
if (args.page != null) query.append("page", String(args.page))
if (args.limit != null) query.append("limit", String(args.limit))
if (sec0 !== undefined) headers.set("Authorization", sec0)

const url = `${baseUrl.replace(/\/+$/, '')}/api/block/v1${query.size > 0 ? `?${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(getApiApiBlockV1Response, await res.json())
};