import type { SavedResource } from '../database';
import type { ChannelInfo, Share, ShareSettings } from '../types';
import type { ChannelInfo as ChannelWire, ShareInfo as ShareWire, ShareItemInfo as ShareWireItem } from '../generated/api';
export type { ChannelWire, ShareWire, ShareWireItem };
export function toChannelInfo(raw: ChannelWire, saved: SavedResource): ChannelInfo {
  const joinPolicy = raw.settings.join_policy;
  if (joinPolicy !== 'open' && joinPolicy !== 'invite') throw new Error('空间加入规则无效');
  return {
    id: raw.id,
    creatorAccount: raw.creator_account ?? undefined,
    joinPolicy, allowGuests: raw.settings.allow_guests, passwordRequired: raw.password_required,
    name: raw.settings.name ?? undefined,
    mode: raw.mode,
    role: raw.can_manage_structure ? 'owner' : 'member',
    canUpload: raw.can_upload,
    canManageStructure: raw.can_manage_structure,
    seats: raw.settings.seats,
    membersUsed: raw.seats_used,
    membersCanUpload: raw.settings.members_can_upload,
    ttlSeconds: raw.settings.ttl_seconds,
    maxDownloads: raw.settings.file_max_downloads,
    memberLink: saved.link,
    ownerLink: saved.ownerLink,
    createdAt: raw.created_at,
    expiresAt: raw.expires_at,
  };
}

export function toShareInfo(raw: ShareWire, saved: SavedResource): Share {
  if (raw.state !== 'draft' && raw.state !== 'sealed') throw new Error('分享状态无效');
  return {
    id: raw.id,
    state: raw.state,
    mine: saved.mine ?? (saved.role === 'owner' || saved.ownerLink !== undefined),
    link: saved.link,
    createdAt: raw.sealed_at ?? raw.created_at,
    expiresAt: raw.expires_at,
    ttlSeconds: raw.settings.ttl_seconds,
    maxVisitors: raw.settings.max_visitors,
    maxDownloads: raw.settings.file_max_downloads === 0 ? null : raw.settings.file_max_downloads,
  };
}
export function apiShareSettings(settings: ShareSettings) {
  return { ttl_seconds: settings.ttlSeconds, max_visitors: settings.maxVisitors, file_max_downloads: settings.maxDownloads ?? 0 };
}