#!/usr/bin/env bash

set -e

CONF_FILE="${XDG_CONFIG_HOME:-$HOME/.config}/aria2/aria2.conf"

outdated() {
    local current_time=$(date +%s)
    local file_modtime=$(stat -c %Y "$1")
    # 1day = 86400s
    [[ $((current_time - file_modtime)) -gt 86400 ]]
}

if outdated "${CONF_FILE}"; then
    mkdir -p "$(dirname "${CONF_FILE}")"
    bt_trackers="$(curl -s https://cf.trackerslist.com/best_aria2.txt)"
    cat <<CONF_EOF >"${CONF_FILE}"
continue=true
max-concurrent-downloads=8
split=16
min-split-size=16M
max-connection-per-server=4

# BT
seed-time=0
peer-id-prefix=-TR2940-
peer-agent=Transmission/2.94
user-agent=Transmission/2.94
bt-tracker=${bt_trackers}
CONF_EOF
fi

aria2c "$@"