import { request } from './client';
import type { Channel, ChannelType, Guild, GuildMember, GuildSummary, Role } from './types';

export interface CreateChannelInput {
  name: string;
  type: ChannelType;
  parent_id?: string;
}

export interface UpdateGuildInput {
  name?: string;
  description?: string;
}

export const guildQueryKey = (guildId: string) => ['guilds', guildId] as const;
export const guildChannelsQueryKey = (guildId: string) => ['guilds', guildId, 'channels'] as const;
export const guildMembersQueryKey = (guildId: string) => ['guilds', guildId, 'members'] as const;
export const guildRolesQueryKey = (guildId: string) => ['guilds', guildId, 'roles'] as const;

export async function createGuild(name: string): Promise<GuildSummary> {
  const payload = await request<{ guild: GuildSummary }>('/guilds', {
    method: 'POST',
    body: { name },
  });
  return payload.guild;
}

export async function fetchGuild(guildId: string, signal?: AbortSignal): Promise<Guild> {
  const payload = await request<{ guild: Guild }>(
    `/guilds/${encodeURIComponent(guildId)}`,
    signal === undefined ? {} : { signal },
  );
  return payload.guild;
}

export async function updateGuild(guildId: string, input: UpdateGuildInput): Promise<Guild> {
  const payload = await request<{ guild: Guild }>(`/guilds/${encodeURIComponent(guildId)}`, {
    method: 'PATCH',
    body: input,
  });
  return payload.guild;
}

export async function fetchChannels(guildId: string, signal?: AbortSignal): Promise<Channel[]> {
  const payload = await request<{ channels: Channel[] }>(
    `/guilds/${encodeURIComponent(guildId)}/channels`,
    signal === undefined ? {} : { signal },
  );
  return payload.channels;
}

export async function createChannel(guildId: string, input: CreateChannelInput): Promise<Channel> {
  const payload = await request<{ channel: Channel }>(
    `/guilds/${encodeURIComponent(guildId)}/channels`,
    { method: 'POST', body: input },
  );
  return payload.channel;
}

export async function fetchMembers(guildId: string, signal?: AbortSignal): Promise<GuildMember[]> {
  const payload = await request<{ members: GuildMember[] }>(
    `/guilds/${encodeURIComponent(guildId)}/members`,
    signal === undefined ? {} : { signal },
  );
  return payload.members;
}

export async function fetchRoles(guildId: string, signal?: AbortSignal): Promise<Role[]> {
  const payload = await request<{ roles: Role[] }>(
    `/guilds/${encodeURIComponent(guildId)}/roles`,
    signal === undefined ? {} : { signal },
  );
  return payload.roles;
}

export function joinGuild(guildId: string): Promise<{ ok: true }> {
  return request<{ ok: true }>(`/guilds/${encodeURIComponent(guildId)}/join`, { method: 'POST' });
}

export function leaveGuild(guildId: string): Promise<{ ok: true }> {
  return request<{ ok: true }>(`/guilds/${encodeURIComponent(guildId)}/leave`, { method: 'POST' });
}

/**
 * Свой никнейм на сервере: сервер разрешает участнику менять его без прав
 * (пустая строка сбрасывает ник).
 */
export async function updateGuildMember(
  guildId: string,
  userId: string,
  input: { nickname: string },
): Promise<void> {
  await request<{ ok: true }>(
    `/guilds/${encodeURIComponent(guildId)}/members/${encodeURIComponent(userId)}`,
    { method: 'PATCH', body: input },
  );
}

/** Удаление сервера: доступно владельцу и администратору инстанса. */
export async function deleteGuild(guildId: string): Promise<void> {
  await request<{ ok: true }>(`/guilds/${encodeURIComponent(guildId)}`, { method: 'DELETE' });
}