#!/bin/bash

if [ $# -eq 0 ]; then
    echo "Usage: $0 <export-file.json>" >&2
    exit 1
fi

export_file="$1"

if [ ! -f "$export_file" ]; then
    echo "Error: File '$export_file' not found" >&2
    exit 1
fi

jq -r '
.playlists | to_entries | .[] |
"# \(.key)",
(
  [.value[] |
    select(.status != "done") |
    "\(.url)\t\(.title)"
  ] |
  if length > 0 then .[] else empty end
),
(
  if ([.value[] | select(.status == "done")] | length) > 0 then
    "## Done",
    ([.value[] |
      select(.status == "done") |
      "\(.url)\t\(.title)"
    ] | .[])
  else
    empty
  end
),
""
' "$export_file"