import {z} from 'zod'

export type GetApiAlertsArgs = {page?: number | undefined, cutoff?: number | undefined, unviewed?: boolean | undefined, unread?: boolean | undefined};

export type GetApiAlertsOptions = {baseUrl?: string | undefined, XFOAuth2?: string | undefined, fetch?: typeof fetch | undefined};

export const user = z.object({about: z.string().optional(), activity_visible: z.boolean().optional(), age: z.number().int().optional(), alert_optout: z.array(z.unknown()).optional(), allow_post_profile: z.string().optional(), allow_receive_news_feed: z.string().optional(), allow_send_personal_conversation: z.string().optional(), allow_view_identities: z.string().optional(), allow_view_profile: z.string().optional(), avatar_urls: z.object({}).optional(), profile_banner_urls: z.object({}).optional(), can_ban: z.boolean().optional(), can_converse: z.boolean().optional(), can_edit: z.boolean().optional(), can_follow: z.boolean().optional(), can_ignore: z.boolean().optional(), can_post_profile: z.boolean().optional(), can_view_profile: z.boolean().optional(), can_view_profile_posts: z.boolean().optional(), can_warn: z.boolean().optional(), content_show_signature: z.boolean().optional(), creation_watch_state: z.string().optional(), custom_fields: z.object({}).optional(), custom_title: z.string().optional(), dob: z.object({}).optional(), email: z.string().optional(), email_on_conversation: z.boolean().optional(), gravatar: z.string().optional(), interaction_watch_state: z.boolean().optional(), is_admin: z.boolean().optional(), is_banned: z.boolean().optional(), is_discouraged: z.boolean().optional(), is_followed: z.boolean().optional(), is_ignored: z.boolean().optional(), is_moderator: z.boolean().optional(), is_super_admin: z.boolean().optional(), last_activity: z.number().int().optional(), location: z.string().optional(), push_on_conversation: z.boolean().optional(), push_optout: z.array(z.unknown()).optional(), receive_admin_email: z.boolean().optional(), secondary_group_ids: z.array(z.unknown()).optional(), show_dob_date: z.boolean().optional(), show_dob_year: z.boolean().optional(), signature: z.string().optional(), timezone: z.string().optional(), use_tfa: z.boolean().optional(), user_group_id: z.number().int().optional(), user_state: z.string().optional(), user_title: z.string().optional(), visible: z.boolean().optional(), warning_points: z.number().int().optional(), website: z.string().optional(), view_url: z.string().optional(), user_id: z.number().int().optional(), username: z.string().optional(), message_count: z.number().int().optional(), question_solution_count: z.number().int().optional(), register_date: z.number().int().optional(), trophy_points: z.number().int().optional(), is_staff: z.boolean().optional(), reaction_score: z.number().int().optional(), vote_score: z.number().int().optional()});

export const userAlert = z.object({alert_id: z.number().int().optional(), alerted_user_id: z.number().int().optional(), user_id: z.number().int().optional(), username: z.string().optional(), content_type: z.string().optional(), content_id: z.number().int().optional(), action: z.string().optional(), event_date: z.number().int().optional(), view_date: z.number().int().optional(), read_date: z.number().int().optional(), auto_read: z.boolean().optional(), alert_text: z.string().optional(), alert_url: z.string().optional(), User: user.optional()});

export const pagination = z.object({current_page: z.number().int().optional(), last_page: z.number().int().optional(), per_page: z.number().int().optional(), shown: z.number().int().optional(), total: z.number().int().optional()});

export const getApiAlertsResponse = z.object({alerts: z.array(userAlert).optional(), pagination: pagination.optional()});

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 a list of user alerts
 * 
 * GET /alerts/
 * 
 * Also accepts auth: XF-Api-Key
 */
export const getApiAlerts = async (args: GetApiAlertsArgs, options?: GetApiAlertsOptions) => {
const {baseUrl = "https://example.com/api", fetch: fetchFn = fetch, XFOAuth2} = options ?? {}

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

if (args.page != null) query.append("page", String(args.page))
if (args.cutoff != null) query.append("cutoff", String(args.cutoff))
if (args.unviewed != null) query.append("unviewed", String(args.unviewed))
if (args.unread != null) query.append("unread", String(args.unread))
if (XFOAuth2 !== undefined) headers.set('authorization', `Bearer ${XFOAuth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/alerts/${query.size > 0 ? `?${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(getApiAlertsResponse, await res.json())
};