import {z} from 'zod'

export type Region = 'JP' | 'NA' | 'CN' | 'KR' | 'TW';

export type Language = 'jp' | 'en';

export type GetApiBasicRegionWarWarIdArgs = {region: Region, war_id: number, lang?: (Language | null) | undefined};

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

export const niceWarFlag = z.enum(["withMap", "showOnMaterial", "folderSortPrior", "storyShortcut", "isEvent", "closeAfterClear", "mainScenario", "isWarIconLeft", "clearedReturnToTitle", "noClearMarkWithClear", "noClearMarkWithComplete", "notEntryBannerActive", "shop", "blackMarkWithClear", "dispFirstQuest", "effectDisappearBanner", "whiteMarkWithClear", "whiteMarkUnderBoard", "subFolder", "dispEarthPointWithoutMap", "isWarIconFree", "isWarIconCenter", "noticeBoard", "changeDispClosedMessage", "chapterSubIdJapaneseNumeralsNormal", "caldeagatePriorityDisplay", "areaBoardShortcut"]);

export const basicWar = z.object({id: z.number().int(), coordinates: z.array(z.array(z.number())), age: z.string(), name: z.string(), longName: z.string(), flags: z.array(niceWarFlag), eventId: z.number().int(), eventName: 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
};

/**
 * Get War data
 * 
 * GET /basic/{region}/war/{war_id}
 */
export const getApiBasicRegionWarWarId = async (args: GetApiBasicRegionWarWarIdArgs, options?: GetApiBasicRegionWarWarIdOptions) => {
const {baseUrl = "https://api.atlasacademy.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args.lang != null) query.append("lang", String(args.lang))

const url = `${baseUrl.replace(/\/+$/, '')}/basic/${encodeURIComponent(String(args.region))}/war/${encodeURIComponent(String(args.war_id))}${query.size > 0 ? `?${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(basicWar, await res.json())
};