import {z} from 'zod'

export type GetApiApiLeagueStatisticsCompletionArgs = {league_ids?: Array<number> | undefined, scouting_markets?: Array<number> | undefined, season: number};

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

export const getApiApiLeagueStatisticsCompletionResponse = z.object({completion: z.object({companies_total: z.number().int().optional(), sponsor_companies: z.number().int().optional(), sponsor_in_venue: z.number().int().optional(), tv_companies: z.number().int().optional(), radio_companies: z.number().int().optional(), social_companies: z.number().int().optional(), digital_companies: z.number().int().optional(), vendor_companies: z.number().int().optional(), sponsor_subcategories_count: z.number().int().optional()}).optional(), total_properties: z.number().int().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
};

/**
 * Fetch per-metric data-quality completion percentages for a league scope.
 * 
 * GET /api/league/statistics/completion
 */
export const getApiApiLeagueStatisticsCompletion = async (args: GetApiApiLeagueStatisticsCompletionArgs, options: GetApiApiLeagueStatisticsCompletionOptions) => {
const {baseUrl, fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args.league_ids != null) query.append("league_ids", args.league_ids.join(','))
if (args.scouting_markets != null) query.append("scouting_markets", args.scouting_markets.join(','))
if (args.season != null) query.append("season", String(args.season))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/league/statistics/completion${query.size > 0 ? `?${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(getApiApiLeagueStatisticsCompletionResponse, await res.json())
};