// `archilyzer reports attach-video <report.json> <video> [--poster <image>]
// [--caption <line>]` — the video as the report's: encoded or remuxed to fit
// the publish limit, written beside report.json as video.mp4 with a poster,
// and `video` set in report.json (publish/reportVideo.ts).
//
// Exit 0 when attached, 1 when it could not be (the reason printed: too long
// to fit, not a report, ffmpeg's error), 2 for usage.

import { getPaths } from "../lib/paths";
import { AttachVideoError, attachReportVideo } from "../publish/reportVideo";

type Out = { log: (s: string) => void; error: (s: string) => void };

export async function attachVideoMain(
  opts: {
    reportFile: string;
    video: string;
    poster?: string;
    caption?: string;
    limitBytes?: number;
    ffmpegBin?: string;
    ffprobeBin?: string;
  },
  out: Out = console,
): Promise<number> {
  const paths = getPaths();
  try {
    const done = await attachReportVideo({
      reportFile: opts.reportFile,
      video: opts.video,
      ...(opts.poster !== undefined ? { poster: opts.poster } : {}),
      ...(opts.caption !== undefined ? { caption: opts.caption } : {}),
      ...(opts.limitBytes !== undefined ? { limitBytes: opts.limitBytes } : {}),
      ffmpegBin: opts.ffmpegBin ?? paths.ffmpegBin,
      ffprobeBin: opts.ffprobeBin ?? paths.ffprobeBin,
      onLog: out.log,
    });
    out.log(
      `reports attach-video: ${opts.reportFile} video = ${JSON.stringify(done.video)} ` +
        `(${done.mode === "remux" ? "remuxed" : `encoded, ${done.attempts} pass(es)`}, ${(done.bytes / (1024 * 1024)).toFixed(2)} MiB)`,
    );
    return 0;
  } catch (err) {
    const e = err as Error & { stderr?: string };
    const why = err instanceof AttachVideoError ? e.message : (e.stderr || e.message).trim().split("\n").slice(-3).join(" ");
    out.error(`reports attach-video: ${why}`);
    return 1;
  }
}