#!/bin/env bash

# usage: piplatest packagename

compare_versions () {
    BBlack='\e[1;30m'       # Black
    BRed='\e[1;31m'         # Red
    BGreen='\e[1;32m'       # Green
    BYellow='\e[1;33m'      # Yellow
    BBlue='\e[1;34m'        # Blue
    BPurple='\e[1;35m'      # Purple
    BCyan='\e[1;36m'        # Cyan
    BWhite='\e[1;37m'       # White

    ESC='\e[0m'

    package="$1"
    piplist="$2"
    url="https://pypi.org/project/$package/"
    locate_version_element='<div class="package-header__left">'

    #local_package_data=$(pip3 show "$package")

    version="$(curl -s "$url" | grep  -e "$locate_version_element" -A 2 | grep "$package" | sed "s/ *$package //")"


    local_version="$(echo "$piplist" | grep "^$package " | sed "s/$package *//")"

    if [ "$version" != "$local_version" ]; then
        version_color="$BRed"
    else
        version_color="$BGreen"
    fi

    local_output="$(printf "%slocal%s=%s%s\t" "$BCyan" "$BYellow" "$version_color" "$local_version")"
    pypi_output="$(printf "%spypi%s=%s%s\t" "$BCyan" "$BYellow" "$version_color" "$version")"
    package_output="$(printf "%s%s\n" "$BPurple" "$package")"

    echo -e "$local_output\t$pypi_output\t$package_output"



    #"$BCyan""pypi"$BYellow"=""$version_color""$version""\t"\
    #"$BPurple""$package"

    #echo "$BCyan""local"$BYellow"=""$version_color""$local_version""\t" \
    #"$BCyan""pypi"$BYellow"=""$version_color""$version""\t"\
    #"$BPurple""$package"
}

piplist="$(pip list)"

for package in "$@"; do
    compare_versions "$package" "$piplist"
done