import {z} from 'zod'

export type GetApiMetricsV2AssetsArgs = {category?: string | undefined, sector?: string | undefined, search?: string | undefined, limit?: number | undefined, page?: number | undefined, hasDiligence?: (boolean | null) | undefined, hasIntel?: (boolean | null) | undefined, hasMarketData?: (boolean | null) | undefined, hasNews?: (boolean | null) | undefined, hasProposals?: (boolean | null) | undefined, hasResearch?: (boolean | null) | undefined, hasTokenUnlocks?: (boolean | null) | undefined, hasFundraising?: (boolean | null) | undefined, coveredByMonitoring?: (boolean | null) | undefined, sort?: ('name' | 'symbol' | 'slug' | 'category' | 'sector' | 'rank') | undefined, order?: ('asc' | 'desc') | undefined};

export type GetApiMetricsV2AssetsOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const assetListItem = z.object({category: z.string(), coveredByMonitoring: z.boolean(), hasDiligence: z.boolean(), hasFundraising: z.boolean(), hasIntel: z.boolean(), hasMarketData: z.boolean(), hasNews: z.boolean(), hasProposals: z.boolean(), hasResearch: z.boolean(), hasTokenUnlocks: z.boolean(), id: z.string(), name: z.string(), rank: z.number(), sector: z.string(), slug: z.string(), symbol: z.string(), tags: z.array(z.string())});

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

export const getApiMetricsV2AssetsResponse = z.object({data: z.array(assetListItem), error: z.string().optional(), metadata: metricsPagination.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 assets
 * 
 * GET /metrics/v2/assets
 */
export const getApiMetricsV2Assets = async (args: GetApiMetricsV2AssetsArgs, options?: GetApiMetricsV2AssetsOptions) => {
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.category != null) query.append("category", String(args.category))
if (args.sector != null) query.append("sector", String(args.sector))
if (args.search != null) query.append("search", String(args.search))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.page != null) query.append("page", String(args.page))
if (args.hasDiligence != null) query.append("hasDiligence", String(args.hasDiligence))
if (args.hasIntel != null) query.append("hasIntel", String(args.hasIntel))
if (args.hasMarketData != null) query.append("hasMarketData", String(args.hasMarketData))
if (args.hasNews != null) query.append("hasNews", String(args.hasNews))
if (args.hasProposals != null) query.append("hasProposals", String(args.hasProposals))
if (args.hasResearch != null) query.append("hasResearch", String(args.hasResearch))
if (args.hasTokenUnlocks != null) query.append("hasTokenUnlocks", String(args.hasTokenUnlocks))
if (args.hasFundraising != null) query.append("hasFundraising", String(args.hasFundraising))
if (args.coveredByMonitoring != null) query.append("coveredByMonitoring", String(args.coveredByMonitoring))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.order != null) query.append("order", String(args.order))
if (apiKey !== undefined) headers.set("X-Messari-API-Key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/metrics/v2/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(getApiMetricsV2AssetsResponse, await res.json())
};