#!/usr/bin/env bash

# Interactively select (in skim) an url from Firefox/Chrome/Chromium history to
# open in your browser (depends on $BROWSER). Should work on Linux and MacOS.
#
# requires: sqlite3

sep='{{::}}'
[[ $OSTYPE == linux* ]] && open='xdg-open' || open='open'

_do_skim() {
  for url in $(awk -F "$sep" '{printf "%s, %s\n", $1, $2}' | skim --prompt='history > ' --multi | sed 's#.*\(https*://\)#\1#'); do
    $open "$url" &
  done
}

case ${BROWSER:-firefox} in
  firefox)
    for dir in ~/.mozilla/firefox/*.default ~/.config/firefox/.mozilla/firefox/*.default ~/Library/Application\ Support/Firefox/Profiles/*.default; do
      if [[ -d "$dir" ]]; then
        sqlite3 -separator $sep "$dir/places.sqlite" \
          "SELECT DISTINCT title, url FROM moz_places \
          WHERE title IS NOT NULL \
          ORDER BY last_visit_date DESC" | _do_skim
        break
      fi
    done
    ;;
  *)
    for dir in ~/.config/google-chrome/Default ~/.config/chromium/Default ~/Library/Application\ Support/Google/Chrome/Default; do
      if [[ -f "$dir/History" ]]; then
        cp -f "$dir/History" "/tmp/_h"
        sqlite3 -separator $sep "/tmp/_h" \
          "SELECT substr(title, 1, $((COLUMNS / 3))), url \
          FROM urls ORDER BY last_visit_time DESC" | _do_skim
        break
      fi
    done
    ;;
esac