import { request } from "#lib/api/client.js";
import { accounts } from "#lib/stores/accounts.svelte.js";

export type WatchKind =
  | "keyword"
  | "new_message"
  | "message_deleted"
  | "message_edited"
  | "peer_online";

export interface WatchParams {
  chat_id?: number;
  pattern?: string;
  peer_id?: number;
  regex?: boolean;
  sender_id?: number;
}

export type StoredParams = WatchParams & { keyword?: string };

export interface ChatRef {
  has_avatar: boolean;
  id: number;
  kind: "private" | "group" | "channel";
  title: string | null;
}

export interface PersonRef {
  has_avatar: boolean;
  id: number;
  name: string | null;
}

export interface Watch {
  account_id: number;
  alert_count: number;
  chat: ChatRef | null;
  created_at: string;
  enabled: boolean;
  id: number;
  kind: WatchKind;
  last_alert_at: string | null;
  name: string | null;
  params: StoredParams;
  person: PersonRef | null;
  updated_at: string;
}

export interface WatchDraft {
  enabled: boolean;
  kind: WatchKind;
  name: string | null;
  params: WatchParams;
}

export type AlertEvent =
  | "message"
  | "edit"
  | "transcript"
  | "delete"
  | "online";

export interface AlertMessage {
  date: string | null;
  deleted: boolean;
  edited: boolean;
  id: number;
  sender: PersonRef | null;
  text: string | null;
}

export interface AlertItem {
  account_id: number;
  away_since: string | null;
  chat: ChatRef | null;
  event: AlertEvent;
  id: number;
  message: AlertMessage | null;
  path: string;
  peer: PersonRef | null;
  seen: boolean;
  ts: string;
  watch: {
    id: number;
    kind: WatchKind;
    name: string | null;
    params: StoredParams;
  };
}

export interface AlertPage {
  items: AlertItem[];
  next_before: number | null;
  unseen: number;
}

export interface LiveAlertEvent {
  alert: AlertItem | null;
  type: "alert";
  unseen: number;
}

export interface Webhook {
  account_id: number;
  created_at: string;
  enabled: boolean;
  id: number;
  last_delivery: Delivery | null;
  secret: string;
  updated_at: string;
  url: string;
  watch_ids: number[] | null;
}

export interface WebhookDraft {
  enabled: boolean;
  url: string;
  watch_ids: number[] | null;
}

export interface Delivery {
  alert_id: number | null;
  attempts: number;
  created_at: string;
  event: "alert" | "test";
  finished_at: string | null;
  id: number;
  last_error: string | null;
  next_attempt_at: string;
  response_code: number | null;
  status: "pending" | "sending" | "delivered" | "failed";
  webhook_id: number;
}

export function listWatches(): Promise<Watch[]> {
  return request<Watch[]>("/watches", { account: true });
}

export function createWatch(draft: WatchDraft): Promise<Watch> {
  return request<Watch>("/watches", {
    body: { account_id: accounts.selectedId, ...draft },
    method: "POST",
  });
}

export function updateWatch(id: number, draft: WatchDraft): Promise<Watch> {
  return request<Watch>(`/watches/${id}`, { body: draft, method: "PUT" });
}

export function deleteWatch(id: number): Promise<void> {
  return request<void>(`/watches/${id}`, { method: "DELETE" });
}

export function listAlerts(
  options: { before?: number; limit?: number; seen?: boolean } = {}
): Promise<AlertPage> {
  return request<AlertPage>("/alerts", { account: true, query: options });
}

export async function unseenAlerts(): Promise<number> {
  const { unseen } = await request<{ unseen: number }>("/alerts/unseen", {
    account: true,
  });
  return unseen;
}

export function markAlertSeen(id: number): Promise<void> {
  return request<void>(`/alerts/${id}/seen`, { method: "POST" });
}

export function markAllAlertsSeen(upTo?: number): Promise<{ marked: number }> {
  return request<{ marked: number }>("/alerts/seen", {
    body: { account_id: accounts.selectedId, up_to: upTo ?? null },
    method: "POST",
  });
}

export function listWebhooks(): Promise<Webhook[]> {
  return request<Webhook[]>("/webhooks", { account: true });
}

export function createWebhook(draft: WebhookDraft): Promise<Webhook> {
  return request<Webhook>("/webhooks", {
    body: { account_id: accounts.selectedId, ...draft },
    method: "POST",
  });
}

export function updateWebhook(
  id: number,
  draft: WebhookDraft
): Promise<Webhook> {
  return request<Webhook>(`/webhooks/${id}`, { body: draft, method: "PUT" });
}

export function deleteWebhook(id: number): Promise<void> {
  return request<void>(`/webhooks/${id}`, { method: "DELETE" });
}

export function rotateWebhookSecret(id: number): Promise<Webhook> {
  return request<Webhook>(`/webhooks/${id}/secret`, { method: "POST" });
}

export function testWebhook(id: number): Promise<Delivery> {
  return request<Delivery>(`/webhooks/${id}/test`, { method: "POST" });
}

export function listDeliveries(id: number): Promise<Delivery[]> {
  return request<Delivery[]>(`/webhooks/${id}/deliveries`);
}