import {z} from 'zod'

export type GetApiApiV3SkillUsersUserIdHistoryArgs = {user_id: number, window?: ('7d' | '30d' | '90d' | '1y' | 'all') | undefined};

export type GetApiApiV3SkillUsersUserIdHistoryOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const skillHistoryPoint = z.object({captured_at: z.string(), skill_score: z.number()});

export const skillHistoryExtremum = z.object({score: z.number(), date: z.string().nullable().optional()});

export const skillHistorySummary = z.object({point_change: z.number(), percent_change: z.number().nullable().optional(), best: skillHistoryExtremum, lowest: skillHistoryExtremum, average: z.number()});

export const skillHistoryResponse = z.object({user_id: z.number().int(), points: z.array(skillHistoryPoint), summary: skillHistorySummary});

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 User Skill History
 * 
 * GET /api/v3/skill/users/{user_id}/history
 */
export const getApiApiV3SkillUsersUserIdHistory = async (args: GetApiApiV3SkillUsersUserIdHistoryArgs, options?: GetApiApiV3SkillUsersUserIdHistoryOptions) => {
const {baseUrl = "https://dev-api.genji.pk", fetch: fetchFn = fetch} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/skill/users/${encodeURIComponent(String(args.user_id))}/history${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(skillHistoryResponse, await res.json())
};