#!/bin/bash

if [ $# -eq 0 ]; then
    echo "Usage: $0 <export-file.json> [tag1] [tag2] ..." >&2
    exit 1
fi

export_file="$1"
shift
tags=("$@")

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

if [ ${#tags[@]} -eq 0 ]; then
    jq -r '
    .playbackHistory | to_entries |
    map({
      url: .value.url,
      title: .value.title,
      lastInteraction: ([.value.history[].timestamp] | max)
    }) |
    sort_by(.lastInteraction) | reverse |
    .[] |
    "\((.lastInteraction / 1000 | strftime("%Y-%m-%d %H:%M:%S")))\t\(.url)\t\(.title)"
    ' "$export_file"
else
    # Build jq filter for tag matching
    tag_filters=""
    for tag in "${tags[@]}"; do
        if [ -n "$tag_filters" ]; then
            tag_filters="$tag_filters and "
        fi
        tag_filters="${tag_filters}(.value.tags // [] | contains([\"$tag\"]))"
    done

    jq -r "
    .playbackHistory | to_entries |
    map(select($tag_filters)) |
    map({
      url: .value.url,
      title: .value.title,
      lastInteraction: ([.value.history[].timestamp] | max)
    }) |
    sort_by(.lastInteraction) | reverse |
    .[] |
    \"\((.lastInteraction / 1000 | strftime(\"%Y-%m-%d %H:%M:%S\")))\\t\(.url)\\t\(.title)\"
    " "$export_file"
fi