import {z} from 'zod'

export type CreateApiOauthAuthorizeArgs = {'Idempotency-Key'?: string | undefined, body: {response_type: 'code', client_id: string, redirect_uri: string, state?: string | undefined, scope?: (Array<'email' | 'openid' | 'private_metadata' | 'profile' | 'public_metadata' | 'claudeai'>) | undefined, code_challenge?: string | undefined, code_challenge_method?: ('plain' | 'S256') | undefined, prompt?: ('none' | 'login' | 'consent' | 'select_account') | undefined, audience?: string | undefined, access_type?: ('online' | 'offline') | undefined, resource?: string | undefined}};

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

export const createApiOauthAuthorizeResponse = z.object({response_type: z.literal("code"), client_id: z.string().min(1), redirect_uri: z.string(), state: z.string().min(1).optional(), scope: z.array(z.enum(["email", "openid", "private_metadata", "profile", "public_metadata", "claudeai"])).optional(), code_challenge: z.string().min(1).optional(), code_challenge_method: z.enum(["plain", "S256"]).optional(), prompt: z.enum(["none", "login", "consent", "select_account"]).optional(), audience: z.string().min(1).optional(), access_type: z.enum(["online", "offline"]).optional(), resource: z.string().optional(), id: z.string(), created_at: z.string(), created_by: z.string(), updated_at: z.string(), updated_by: 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
};

/**
 * Create an authorize
 * 
 * POST /oauth/authorize
 * 
 * Also accepts auth: OAuth2
 */
export const createApiOauthAuthorize = async (args: CreateApiOauthAuthorizeArgs, options?: CreateApiOauthAuthorizeOptions) => {
const {baseUrl = "https://core.sivo.com", fetch: fetchFn = fetch, APIKeyAuth} = options ?? {}

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

if (args['Idempotency-Key'] != null) headers.set("Idempotency-Key", String(args['Idempotency-Key']))
if (APIKeyAuth !== undefined) headers.set("Authorization", APIKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/oauth/authorize${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiOauthAuthorizeResponse, await res.json())
};