import {z} from 'zod'

export type GetApiApiV1MythicPlusCutoffAnalysisArgs = {access_key?: string | undefined, season: string, region: 'us' | 'eu' | 'tw' | 'kr' | 'cn' | 'world', faction?: ('all' | 'horde' | 'alliance') | undefined, category: 'overall' | 'roles' | 'classes' | 'specs' | 'class_roles', percentile?: number | undefined, percentiles?: string | undefined, cohort?: string | undefined, targetDate?: string | undefined, density?: boolean | undefined, forecastHistory?: boolean | undefined};

export type GetApiApiV1MythicPlusCutoffAnalysisOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiApiV1MythicPlusCutoffAnalysisResponse = 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
};

/**
 * Retrieve cached Mythic+ cohort cutoff history and forecasts
 * 
 * GET /api/v1/mythic-plus/cutoff-analysis
 */
export const getApiApiV1MythicPlusCutoffAnalysis = async (args: GetApiApiV1MythicPlusCutoffAnalysisArgs, options?: GetApiApiV1MythicPlusCutoffAnalysisOptions) => {
const {baseUrl = "http://raider.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args.access_key != null) query.append("access_key", String(args.access_key))
if (args.season != null) query.append("season", String(args.season))
if (args.region != null) query.append("region", String(args.region))
if (args.faction != null) query.append("faction", String(args.faction))
if (args.category != null) query.append("category", String(args.category))
if (args.percentile != null) query.append("percentile", String(args.percentile))
if (args.percentiles != null) query.append("percentiles", String(args.percentiles))
if (args.cohort != null) query.append("cohort", String(args.cohort))
if (args.targetDate != null) query.append("targetDate", String(args.targetDate))
if (args.density != null) query.append("density", String(args.density))
if (args.forecastHistory != null) query.append("forecastHistory", String(args.forecastHistory))

const url = `${baseUrl.replace(/\/+$/, '')}/api/v1/mythic-plus/cutoff-analysis${query.size > 0 ? `?${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(getApiApiV1MythicPlusCutoffAnalysisResponse, await res.json())
};