import {z} from 'zod'

export type GetApiIntelV1AssetsArgs = {symbol?: Array<string> | undefined, name?: Array<string> | undefined, limit?: number | undefined, page?: number | undefined};

export type GetApiIntelV1AssetsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const intelAsset = z.object({id: z.string(), name: z.string(), slug: z.string(), symbol: z.string()});

export const pagination = z.object({limit: z.number().int(), page: z.number().int(), totalPages: z.number().int(), totalRows: z.number().int()});

export const getApiIntelV1AssetsResponse = z.object({data: z.array(intelAsset), error: z.string().optional(), metadata: pagination.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
};

/**
 * List all assets
 * 
 * GET /intel/v1/assets
 */
export const getApiIntelV1Assets = async (args: GetApiIntelV1AssetsArgs, options?: GetApiIntelV1AssetsOptions) => {
const {baseUrl = "https://api.messari.io", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

for (const item of args.symbol ?? []) query.append("symbol", String(item))
for (const item of args.name ?? []) query.append("name", String(item))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
if (apiKey !== undefined) headers.set("X-Messari-API-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/intel/v1/assets${query.size > 0 ? `?${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(getApiIntelV1AssetsResponse, await res.json())
};