#!/usr/bin/env bash

set -o errexit
set -o nounset
set -o pipefail
if [[ "${TRACE-0}" == "1" ]]; then
    set -o xtrace
fi

EDITOR="subl -n -b"

add-moons () {
    if [[ -d ".moons" ]]; then
        touch ".moons/$1"
        echo -e "a new moon is orbiting $2"
    else
        path=$(pwd)
        while [ -n "$path" ]; do
            path=${path%/*}
            if [ -d "$path/.moons" ]; then
                touch "$path/.moons/$1"
                echo -e "a new moon is orbiting $2"
                return
            fi
        done
    fi
}

delete-moon-by-moon-id () {
    if [[ -d ".moons" ]]; then
        rm .moons/*"$1"*
        echo -e "the moon $1 has been removed"
    else
        path=$(pwd)
        while [ -n "$path" ]; do
            path=${path%/*}
            if [ -d "$path/.moons" ]; then
                rm "$path/.moons/"*"$1"*
                echo -e "the moon $1 has been removed"
                return
            fi
        done
    fi
}

delete-moons-by-planet () {
    if [[ -d ".moons" ]]; then
        rm .moons/"$1"*
        echo -e "all moons orbiting $1 have been deleted."
    else
        path=$(pwd)
        while [ -n "$path" ]; do
            path=${path%/*}
            if [ -d "$path/.moons" ]; then
                rm "$path/.moons/$1"*
                echo -e "all moons orbiting $1 have been deleted."
                return
            fi
        done
    fi
}

open-moons () {
    if [[ -d ".moons" ]]; then
        for file in .moons/$1; do
            echo -e "$file"
            $EDITOR "$file"
        done
    else
        path=$(pwd)
        while [ -n "$path" ]; do
            path=${path%/*}
            if [ -d "$path/.moons" ]; then
                for file in $path/.moons/$1; do
                    echo -e "$file"
                    $EDITOR "$file"
                done
                return
            fi
        done
    fi
}

list-moons-by-planet () {
    if [[ -d ".moons" ]]; then
        ls -a .moons/"$1"*
    else
        path=$(pwd)
        while [ -n "$path" ]; do
            path=${path%/*}
            if [ -d "$path/.moons" ]; then
                ls -a "$path/.moons/$1"*
                return
            fi
        done
    fi
}

rename-planet-and-orbiting-moons () {
    if [[ -d ".moons" ]]; then
        for file in .moons/"$1"* ; do mv "$file" "${file//$1/$2}" ; done
        echo -e "planets and moons have been renamed from $1 to $2"
    else
        path=$(pwd)
        while [ -n "$path" ]; do
            path=${path%/*}
            if [ -d "$path/.moons" ]; then
                for file in "$path/.moons/$1"* ; do mv "$file" "${file//$1/$2}" ; done
                echo -e "planets and moons have been renamed from $1 to $2"
                return
            fi
        done
    fi
}

PRE_SHORT_RAND=$(openssl rand -base64 6)
SHORT_RAND=${PRE_SHORT_RAND//\//_}

help_text() {
    echo '
    A planet file is the one you care about -- probably an file in an actual project.
    Moon files orbit planets, they are disposable scratch spaces connected to planets.

    usage: ./mm
                    -i(nit)....initialize a directory to store moon files
                    -o(pen)....open a planet file and all of its moon file<style>pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highli