import {z} from 'zod'

export type GetApiApiUsersUsernameArgs = {username: string};

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

export const value = z.unknown();

export const repoVisibility = z.enum(["public", "internal", "private"]);

export const userProfileRepo = z.object({archivedAt: z.string().nullable().optional(), description: z.string(), id: z.string(), languages: value, name: z.string(), stars: z.number().int(), visibility: repoVisibility});

export const userProfileStats = z.object({repos: z.number().int(), starsEarned: z.number().int(), starsGiven: z.number().int()});

export const userProfileResponse = z.object({admin: z.boolean(), id: z.string(), repos: z.array(userProfileRepo), stats: userProfileStats, username: 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 User Profile
 * 
 * GET /api/users/{username}
 */
export const getApiApiUsersUsername = async (args: GetApiApiUsersUsernameArgs, options: GetApiApiUsersUsernameOptions) => {
const {baseUrl, fetch: fetchFn = fetch, cookieAuth} = options ?? {}

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

if (cookieAuth !== undefined) cookies.push("gitarena-session=" + encodeURIComponent(cookieAuth))

const url = `${baseUrl.replace(/\/+$/, '')}/api/users/${encodeURIComponent(String(args.username))}${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(userProfileResponse, await res.json())
};