import type { MediaProfile, MediaKind, DownloadOptions } from '@shared/ipc'
import { isProfileLike } from './core/validation'
import { createJsonStore } from './jsonStore'
import { PROFILES_MAX } from './constants'

// Named download presets a Library Source can point at (PINCHFLAT Media
// Profiles). Plain JSON in userData, same shape/pattern as templates.ts —
// atomic writes / corruption backup / caching from the shared jsonStore (R1–R3).
// A persisted row must at least be an object carrying an id (isProfileLike);
// everything else is coerced by sanitize(), so a hand-edited profiles.json can't
// inject malformed entries. (audit S5)
const store = createJsonStore('profiles.json', isProfileLike, PROFILES_MAX)

const KINDS: readonly MediaKind[] = ['video', 'audio']

/** Normalise a persisted/incoming profile so every field is well-formed. */
function sanitize(p: MediaProfile): MediaProfile {
  const out: MediaProfile = {
    id: String(p.id),
    name: (p.name ?? '').trim() || 'Untitled profile'
  }
  if (p.kind && KINDS.includes(p.kind)) out.kind = p.kind
  if (typeof p.quality === 'string' && p.quality.trim()) out.quality = p.quality.trim()
  // options is stored whole when present; the download path re-sanitizes it
  // through the settings schema before use, so a weak object check is enough here.
  if (p.options && typeof p.options === 'object') out.options = p.options as DownloadOptions
  if (typeof p.outputTemplate === 'string' && p.outputTemplate.trim()) {
    out.outputTemplate = p.outputTemplate.trim()
  }
  if (typeof p.extraArgs === 'string' && p.extraArgs.trim()) out.extraArgs = p.extraArgs.trim()
  return out
}

export function listProfiles(): MediaProfile[] {
  return store.read().map(sanitize)
}

/** Add a new profile, or update an existing one (matched by id). */
export function saveProfile(profile: MediaProfile): MediaProfile[] {
  const clean = sanitize(profile)
  return store.write([clean, ...listProfiles().filter((p) => p.id !== clean.id)])
}

export function removeProfile(id: string): MediaProfile[] {
  return store.write(listProfiles().filter((p) => p.id !== id))
}