#!/bin/sh
set -eu

[ -z "${FAKE_ARGS_FILE:-}" ] || printf '%s\n' "$@" > "$FAKE_ARGS_FILE"

output_template=
episode_url=
while [ "$#" -gt 0 ]; do
  if [ "$1" = "-o" ]; then
    output_template=$2
    shift 2
    continue
  fi
  case "$1" in
    https://tver.jp/episodes/*) episode_url=$1 ;;
  esac
  shift
done

mode=${FAKE_YTDLP_MODE:-success}
if [ "$mode" = "mixed" ]; then
  case "$episode_url" in
    */ep-fail) mode=unknown ;;
    *) mode=success ;;
  esac
fi
case "$mode" in
  drm) echo 'ERROR: This video is DRM protected token=secret-value' >&2; exit 1 ;;
  geo) echo 'ERROR: This video is not available from your location due to geo restriction' >&2; exit 1 ;;
  network) echo 'ERROR: Unable to download JSON metadata: [Errno 61] Connection refused' >&2; exit 1 ;;
  unavailable) echo 'ERROR: MEDIA_NOT_FOUND: episode does not exist' >&2; exit 1 ;;
  extract) echo 'ERROR: Unable to extract player data' >&2; exit 1 ;;
  unknown) echo 'ERROR: surprising failure' >&2; exit 1 ;;
  hang|hang-drm)
    [ -z "${FAKE_READY_FILE:-}" ] || : > "$FAKE_READY_FILE"
    if [ "$mode" = "hang-drm" ]; then
      trap 'echo "ERROR: DRM protected" >&2; [ -z "${FAKE_TERM_FILE:-}" ] || : > "$FAKE_TERM_FILE"; exit 143' TERM INT
    else
      trap '[ -z "${FAKE_TERM_FILE:-}" ] || : > "$FAKE_TERM_FILE"; exit 143' TERM INT
    fi
    while :; do sleep 1; done
    ;;
esac

output=$(printf '%s' "$output_template" | sed 's/%(id)s/fake/g; s/%(ext)s/mp4/g')
mkdir -p "$(dirname "$output")"
printf 'fake mp4' > "$output"
if [ "$mode" = "symlink" ]; then
  rm "$output"
  ln -s "$FAKE_OUTSIDE_FILE" "$output"
fi

if [ "$mode" = "burst" ]; then
  i=1
  while [ "$i" -le 20 ]; do
    printf '{"event":"download","format_id":"hls-698-1","progress":{"status":"downloading","downloaded_bytes":%s,"total_bytes":100,"speed":10,"eta":2,"fragment_index":%s,"fragment_count":20}}\n' "$i" "$i"
    i=$((i + 1))
  done
  sleep 0.12
else
  echo '{"event":"download","format_id":"hls-698-1","progress":{"status":"downloading","downloaded_bytes":1024,"fragment_index":0,"fragment_count":50,"filename":"/private/tmp/tver-spike/epq432nee4.fhls-698-1.mp4","tmpfilename":"/private/tmp/tver-spike/epq432nee4.fhls-698-1.mp4.part","max_progress":null,"progress_idx":null,"elapsed":0,"total_bytes_estimate":29798400.0,"speed":4834.271158821972,"eta":null,"_eta_str":"Unknown","_speed_str":"   4.72KiB/s","_percent":0.003436426116838488,"_percent_str":"  0.0%","_total_bytes_str":"       N/A","_total_bytes_estimate_str":"  28.42MiB","_downloaded_bytes_str":"   1.00KiB","_elapsed_str":"00:00:00","_default_template":"  0.0% of ~  28.42MiB at    4.72KiB/s ETA Unknown (frag 0/50)"}}'
  sleep 0.02
  echo '{"event":"download","format_id":"hls-ts_AUDIO-0_2","progress":{"status":"finished","downloaded_bytes":50,"total_bytes":50,"speed":20,"eta":0}}'
  sleep 0.02
  echo '{"event":"postprocess","progress":{"status":"started","postprocessor":"Merger"}}' >&2
fi
printf '{"event":"after_move","filepath":"%s"}\n' "$output"