#!/usr/bin/env bash

usage()
{
    echo
    echo "This script is made for those who want to blog and are also addicted to the command line"
    echo
    echo "Run the initiation for a start. After that, place all your future blog
    posts, written in markdown (.md or .markdown), in the draft folder."
    echo
    echo "Once you publish your blog, all the drafts in the said folder will be
    converted to html, added to the posts folder and append to the index.html"
    echo
    echo "To remove a post, just remove it from the draft folder and republish
    your blog"
    echo
    echo "bob commands :"
    echo "  help       display this help"
    echo "  init       initiate a blog"
    echo "  publish    publish the blog"
}


init()
{
    echo Name of the author of the blog :
    read author
    echo "author=$author" > .blog.conf
    echo Name of the blog :
    read blog
    echo "blog=$blog" >> .blog.conf
    echo "Language of the blog : [en]"
    read lang
    if [ -z $lang ]; then
        lang=en
    fi
    echo "lang=$lang" >> .blog.conf
    echo "Activate dark mode : (y/N)"
    read dark
    if [ -z $dark ]; then
        dark=n
    fi
    echo "dark=$dark" >> .blog.conf
    mkdir drafts
    # mkdir templates
    mkdir posts
    # mkdir css
    # _init_css
    # _index "$blog" "$lang" "$dark"
}

update_index()
{
    ls -t ./posts | awk '
        BEGIN {
            print "<ul>"
        } 
        {
            ref=$0
            gsub(".html","",ref)
            gsub(/[_-]/, " ", ref)
            print "<li><a href=\"./posts/" $0 "\">" ref "</a></li>"
        } 
        END { 
            print "</ul>"
        }' 
}

publish()
{
    post=$(awk -f lib/markdown.awk ./drafts/$1.md)
    template="./lib/template/post.html"
    awk -v content="$post" '{gsub(/{{article}}/, content); print}' "$template" > "./posts/$1.html"
    mv ./drafts/$1.md ./drafts/published/$1.md
}

unpublish()
{
    rm ./posts/$1.html
    mv ./drafts/published/$1.md ./drafts/$1.md
}

if [[ $# -eq 0 ]]; then
    usage
elif [[ "$1" == "help" ]]; then
    usage
elif [[ "$1" == "usage" ]]; then
    usage
elif [[ "$1" == "init" ]]; then
    init
elif [[ "$1" == "publish" ]]; then
    if [[ $# -eq 1 ]]; then
        echo "Usage : bob publish <draft_name>"
    else 
        publish $2
    fi
elif [[ "$1" == "unpublish" ]]; then
    if [[ $# -eq 1 ]]; then
        echo "Usage : bob unpublish <post_name>"
    else 
        unpublish $2
    fi
elif [[ "$1" == "help" ]]; then
    usage
fi