import {z} from 'zod'

export type CreateApiV2RosterFamilyWarMetricsQueryArgs = {server_id: string, body: {playerTags: Array<string>, metricId: 'war.hit_rate' | 'war.regular_hit_rate' | 'war.cwl_hit_rate' | 'war.hit_rate_confidence' | 'war.missed_attacks' | 'war.participation', parameters?: Record<string, never> | undefined}};

export type CreateApiV2RosterFamilyWarMetricsQueryOptions = {baseUrl?: string | undefined, UserToken?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiV2RosterFamilyWarMetricsQueryResponse = z.object({metricId: z.string(), parameters: z.object({}), rows: z.array(z.object({playerTag: z.string(), value: z.unknown(), attackCount: z.union([z.number(), z.literal("NaN"), z.literal("Infinity"), z.literal("-Infinity")])})), evaluatedAt: z.string()});

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
};

/**
 * Evaluate war history for current members of configured server clans
 * 
 * POST /v2/roster/family/war-metrics/query
 * 
 * Also accepts auth: BotToken
 */
export const createApiV2RosterFamilyWarMetricsQuery = async (args: CreateApiV2RosterFamilyWarMetricsQueryArgs, options?: CreateApiV2RosterFamilyWarMetricsQueryOptions) => {
const {baseUrl = "https://api.clashk.ing", fetch: fetchFn = fetch, UserToken} = options ?? {}

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

if (args.server_id != null) query.append("server_id", String(args.server_id))
if (UserToken !== undefined) headers.set('authorization', `Bearer ${UserToken}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/roster/family/war-metrics/query${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiV2RosterFamilyWarMetricsQueryResponse, await res.json())
};