#!/usr/bin/env bash
# Utility functions for common tasks

# @arg $1 URL to download
# @arg $2 Path to file
function download_file {
    curl \
        --silent \
        --show-error \
        --location \
        --output $2 \
        $1
}

# @arg $1 URL to run
# @arg $2 binary to use
function download_run {
    file=$(mktemp)
    download_file $1 $file
    cat $file | $2
}

# @arg $1 binary to test
function bin_in_path {
    command -v $1
}

# @arg $1 apt package to test
function apt_installed {
    dpkg --status $1
}

function clean {
    sudo apt-get clean -qq
}

function update {
    sudo apt-get update -qq
}

# @arg $1 apt package to install if not present
function install {
    if ! apt_installed $1; then
        sudo apt-get install -qq $1
    fi
}

# Add apt repository
# @arg $1 JSON object containing the following keys
#   * repository - apt repository
#   * signingKey - gpg signing key url
#   * components - apt components
function add_repository {
    repository=$(jq -r ".repository" <<<"$1")
    if ! grep -q "^deb .*${repository}" /etc/apt/sources.list; then
        signingKey=$(jq -r ".signingKey" <<<"$1")
        components=$(jq -r ".components" <<<"$1")
        curl -fsSL $signingKey | sudo apt-key add -
        source="deb [arch=$(dpkg --print-architecture)] ${repository} ${components}"
        sudo add-apt-repository --yes "$source"
    fi
}

# @arg $1 package list file to install
function install_file {
    sudo apt-get install -qqf $(cat $1)
}