#!/usr/bin/env bash
##makedesc: Install telegram (latest)

set -eo pipefail

installed() { command -v "$1" >/dev/null 2>&1; }

install() {
    if [ "$(uname -s)" = "Darwin" ]; then
        if installed brew; then
            brew install --cask telegram
        else
            echo "ERROR: Install Homebrew first." >&2
            exit 1
        fi
        return
    fi

    echo
    echo "==============================================="
    echo "Installing telegram"
    echo "==============================================="
    echo

    mkdir -p "$HOME/install" "$HOME/.local/bin"
    if installed wget; then
        wget -q --show-progress "https://telegram.org/dl/desktop/linux" -O "$HOME/install/telegram.tar.gz"
    else
        curl -fsSL "https://telegram.org/dl/desktop/linux" -o "$HOME/install/telegram.tar.gz"
    fi
    tar -xJf "$HOME/install/telegram.tar.gz" -C "$HOME/.local/bin"

    echo
    echo "Finish!"
    echo
}

case "$1" in
    *) install ;;
esac