import {z} from 'zod'

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

export type GetApiRawRegionBattlePointBpIdArgs = {region: Region, bp_id: number};

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

export const mstBattlePoint = z.object({script: z.record(z.string(), z.unknown()).nullable().optional(), id: z.number().int(), name: z.string().nullable().optional(), flag: z.number().int()});

export const mstBattlePointPhase = z.object({battlePointId: z.number().int(), phase: z.number().int(), value: z.number().int(), name: z.string(), effectId: z.number().int()});

export const mstSvtBattlePoint = z.object({svtId: z.number().int(), battlePointId: z.number().int(), individuality: z.array(z.array(z.number().int())).nullable().optional()});

export const battlePointEntity = z.object({mstBattlePoint: mstBattlePoint, mstBattlePointPhase: z.array(mstBattlePointPhase), mstSvtBattlePoint: z.array(mstSvtBattlePoint)});

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 Battle Point data
 * 
 * GET /raw/{region}/battle-point/{bp_id}
 */
export const getApiRawRegionBattlePointBpId = async (args: GetApiRawRegionBattlePointBpIdArgs, options?: GetApiRawRegionBattlePointBpIdOptions) => {
const {baseUrl = "https://api.atlasacademy.io", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/raw/${encodeURIComponent(String(args.region))}/battle-point/${encodeURIComponent(String(args.bp_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(battlePointEntity, await res.json())
};