/**
 * Which project each tool writes to, and the guard that keeps every tool away from the
 * playground.
 *
 *   playground  the user's own project. No tool writes it – it is maintained in the editor.
 *   fixture     rewritten by every e2e run (tools/seed-e2e.mjs + tools/e2e.mjs).
 *   jumpRun     the example game (tools/seed-jumprun.mjs, played by tools/smoke-jumprun.mjs).
 *   tetris      the second example game (tools/seed-tetris.mjs, played by tools/smoke-tetris.mjs).
 *   actor       the four-direction walk demo (tools/seed-actor.mjs).
 *
 * All ids exist on the server (created via POST ?r=projects); PUT does not create projects.
 */
import { readFile } from 'node:fs/promises';
import { basename, extname } from 'node:path';
import { authHeaders } from './auth.mjs';

export const PROJECTS = {
  playground: '649188c15414',
  fixture: '3caa9b6a0c92',
  jumpRun: '3d271f3bb58b',
  tetris: '2072b56583af',
  actor: '3ccb5c67220b',
};

export const DEFAULT_BASE_URL = 'https://nockal.com/feuerwerk/';

/**
 * Reads `[projectId] [baseUrl]` from argv, falling back to `defaultId` and to
 * `GAME_MAKER_BASE_URL` – which is how CI points every tool at its own server without
 * repeating the project ids in shell scripts. Targeting the playground aborts: no tool may
 * overwrite or mutate it.
 */
export function cliArgs(script, defaultId) {
  const projectId = process.argv[2] ?? defaultId;
  const baseUrl = process.argv[3] ?? process.env.GAME_MAKER_BASE_URL ?? DEFAULT_BASE_URL;
  if (projectId === PROJECTS.playground) {
    console.error(`refusing to run ${script} against the playground project (${PROJECTS.playground}).`);
    process.exit(2);
  }
  return { projectId, baseUrl };
}

const MIME = {
  png: 'image/png',
  jpg: 'image/jpeg',
  jpeg: 'image/jpeg',
  webp: 'image/webp',
  gif: 'image/gif',
};

/**
 * Uploads an image and returns `{file, width, height}` for a texture asset. Storage is
 * content-addressed, so re-seeding the same file is a no-op rather than a second copy – which is
 * what makes a seed that ships its own image reproducible (`data/textures/` is git-ignored).
 */
export async function uploadTexture(baseUrl, filePath) {
  const bytes = await readFile(filePath);
  const type = MIME[extname(filePath).slice(1).toLowerCase()];
  if (!type) {
    console.error(`unsupported image type: ${filePath}`);
    process.exit(1);
  }
  const res = await fetch(`${baseUrl}api/index.php?r=textures`, {
    method: 'POST',
    headers: { 'Content-Type': type, ...(await authHeaders(baseUrl)) },
    body: bytes,
    signal: AbortSignal.timeout(20_000),
  });
  const result = await res.json();
  if (!res.ok) {
    console.error('texture upload failed', res.status, result);
    process.exit(1);
  }
  return { file: result.file, width: result.width, height: result.height };
}

const FONT_MIME = {
  ttf: 'font/ttf',
  otf: 'font/otf',
  woff: 'font/woff',
  woff2: 'font/woff2',
};

/**
 * Uploads a typeface and returns `{file}` for a font asset. Content-addressed like an image, so
 * re-seeding the same file is a no-op (`data/fonts/` is git-ignored).
 */
export async function uploadFont(baseUrl, filePath) {
  const bytes = await readFile(filePath);
  const type = FONT_MIME[extname(filePath).slice(1).toLowerCase()];
  if (!type) {
    console.error(`unsupported font type: ${filePath}`);
    process.exit(1);
  }
  // The name rides along like a browser upload's: the picker captions the hash with it.
  const name = encodeURIComponent(basename(filePath));
  const res = await fetch(`${baseUrl}api/index.php?r=fonts&name=${name}`, {
    method: 'POST',
    headers: { 'Content-Type': type, ...(await authHeaders(baseUrl)) },
    body: bytes,
    signal: AbortSignal.timeout(20_000),
  });
  const result = await res.json();
  if (!res.ok) {
    console.error('font upload failed', res.status, result);
    process.exit(1);
  }
  return { file: result.file, name: result.name };
}

/**
 * Uploads a sound and returns `{file, name}` for a sound asset. Takes the bytes rather than a path:
 * the seed builds its WAVs itself (see `lib/audio.mjs`), because no audio file is guaranteed to
 * exist on both the host and in the CI image. Content-addressed like a font (`data/sounds/` is
 * git-ignored), so re-seeding the same bytes is a no-op.
 */
export async function uploadSound(baseUrl, bytes, fileName, type = 'audio/wav') {
  const res = await fetch(`${baseUrl}api/index.php?r=sounds&name=${encodeURIComponent(fileName)}`, {
    method: 'POST',
    headers: { 'Content-Type': type, ...(await authHeaders(baseUrl)) },
    body: bytes,
    signal: AbortSignal.timeout(20_000),
  });
  const result = await res.json();
  if (!res.ok) {
    console.error('sound upload failed', res.status, result);
    process.exit(1);
  }
  return { file: result.file, name: result.name, bytes: result.bytes };
}

/**
 * Uploads a video (#402) and waits until the worker has converted it: the record of the ready MP4,
 * with its size, length and frame rate. Exits when the conversion fails or takes too long.
 */
export async function uploadVideo(baseUrl, bytes, fileName, timeoutMs = 60_000) {
  const headers = { 'Content-Type': 'application/octet-stream', ...(await authHeaders(baseUrl)) };
  const res = await fetch(`${baseUrl}api/index.php?r=videos&name=${encodeURIComponent(fileName)}`, {
    method: 'POST',
    headers,
    body: bytes,
    signal: AbortSignal.timeout(20_000),
  });
  const uploaded = await res.json();
  if (!res.ok) {
    console.error('video upload failed', res.status, uploaded);
    process.exit(1);
  }
  const until = Date.now() + timeoutMs;
  for (let record = uploaded; ;) {
    if (record?.status === 'ready') return record;
    if (record?.status === 'failed' || Date.now() > until) {
      console.error('video conversion did not finish', record);
      process.exit(1);
    }
    await new Promise((resolve) => setTimeout(resolve, 250));
    const list = await fetch(`${baseUrl}api/index.php?r=videos`, {
      headers: await authHeaders(baseUrl),
      signal: AbortSignal.timeout(20_000),
    });
    record = (await list.json()).find((item) => item.file === uploaded.file);
  }
}

/** Overwrites a project, keeping the name it already has on the server. */
export async function writeProject(projectId, baseUrl, project) {
  const url = `${baseUrl}api/index.php?r=projects/${projectId}`;
  // A request without a timeout keeps its socket open, so a stalled server hangs the seed
  // instead of failing it – and the run that follows never starts.
  const timeout = () => AbortSignal.timeout(20_000);
  const headers = await authHeaders(baseUrl);
  const current = await fetch(url, { headers, signal: timeout() });
  if (!current.ok) {
    console.error(`GET failed: ${current.status} – create the project first (POST ?r=projects)`);
    process.exit(1);
  }
  const doc = await current.json();
  const body = {
    revision: doc.revision,
    project: { ...project, id: projectId, name: doc.name ?? project.name },
  };
  const res = await fetch(url, {
    method: 'PUT',
    headers: { 'Content-Type': 'application/json', ...headers },
    body: JSON.stringify(body),
    signal: timeout(),
  });
  const result = await res.json();
  if (!res.ok) {
    console.error('PUT failed', res.status, result);
    process.exit(1);
  }
  console.log(`seeded ${projectId} (${body.project.name}) → revision ${result.revision}`);
}