import {z} from 'zod'

export type GetApiIntelV1EventsArgs = {limit?: number | undefined, page?: number | undefined, primaryAssets?: Array<string> | undefined, secondaryAssets?: Array<string> | undefined, primaryOrSecondaryAssets?: Array<string> | undefined, startTime?: string | undefined, endTime?: string | undefined, importance?: Array<string> | undefined, category?: Array<string> | undefined, subcategory?: Array<string> | undefined, tag?: Array<string> | undefined, status?: Array<string> | undefined, globalEvent?: boolean | undefined};

export type GetApiIntelV1EventsOptions = {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 resource = z.record(z.string(), z.unknown());

export const event = z.object({activationBlock: z.number().optional(), category: z.string(), eventDate: z.string().optional(), eventDetails: z.string(), eventName: z.string(), globalEvent: z.boolean(), id: z.string(), importance: z.string(), primaryAssets: z.array(intelAsset), resources: z.array(resource), secondaryAssets: z.array(intelAsset), status: z.string(), subcategory: z.string(), submissionDate: z.string(), tag: z.string(), updateDetails: z.string().optional()});

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

export const getApiIntelV1EventsResponse = z.object({data: z.array(event), 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 events
 * 
 * GET /intel/v1/events
 */
export const getApiIntelV1Events = async (args: GetApiIntelV1EventsArgs, options?: GetApiIntelV1EventsOptions) => {
const {baseUrl = "https://api.messari.io", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
for (const item of args.primaryAssets ?? []) query.append("primaryAssets", String(item))
for (const item of args.secondaryAssets ?? []) query.append("secondaryAssets", String(item))
for (const item of args.primaryOrSecondaryAssets ?? []) query.append("primaryOrSecondaryAssets", String(item))
if (args.startTime != null) query.append("startTime", String(args.startTime))
if (args.endTime != null) query.append("endTime", String(args.endTime))
for (const item of args.importance ?? []) query.append("importance", String(item))
for (const item of args.category ?? []) query.append("category", String(item))
for (const item of args.subcategory ?? []) query.append("subcategory", String(item))
for (const item of args.tag ?? []) query.append("tag", String(item))
for (const item of args.status ?? []) query.append("status", String(item))
if (args.globalEvent != null) query.append("globalEvent", String(args.globalEvent))
if (apiKey !== undefined) headers.set("X-Messari-API-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/intel/v1/events${query.size > 0 ? `?${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(getApiIntelV1EventsResponse, await res.json())
};