#!/usr/bin/env bash

# Define which folder to clean out (default: ~/Downloads)
export TARGET_DIR="$1"

# How many days should a file be able to live in the folder? (default: 30)
export DAYS_TO_KEEP="$2"

# Trash folder to move deleted files to (default: ~/.Trash)
export TRASH_DIR="$3"

# Location of Janitor installation
export JANITOR_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && cd .. && pwd)"

if [ -z "$TARGET_DIR" -o -z "$DAYS_TO_KEEP" ]; then
    echo "Minimum 2 arguments required"
    exit 1
fi


function clean() {
    if [ $# -eq 0 ]; then
        exit 1
    fi

    if [ ! -z "$TRASH_DIR" ]; then
        rsync -a "$1" "$TRASH_DIR"
    fi
    rm -rf "$1"

    LOG="$JANITOR_DIR/logs/janitor_$(date +"%Y%m%d").log"

    if [ ! -e "$LOG" ]; then
        echo "Files removed from $TARGET_DIR on $(date +%m-%d-%Y):" > "$LOG"
    fi
    echo "${1##*/}" >> "$LOG"
}

export -f clean

find "$TARGET_DIR" -mtime +$DAYS_TO_KEEP -depth 1 -exec bash -c 'clean "$0"' {} \;