# vim: ft=sh
# shellcheck shell=bash

# worKDir
function kd() {
    local conf="$HOME/.kdrc"
    if [[ $# -eq 0 ]]; then
        local candidate="$PWD"
        while [[ -n "$candidate" ]]; do
            for file in Gemfile Procfile .git; do
                if [[ -e "$candidate/$file" ]]; then
                    if [[ -t 1 ]]; then
                        cd "$candidate" || return 1
                        return
                    else
                        [[ -d "$target" ]] || return 1
                        echo "$candidate"
                        return
                    fi
                fi
            done
            candidate="${candidate%/*}"
        done
        return 1
    fi
    if [[ $# -eq 1 ]]; then
        local target
        target="$(awk "\$1 = /^${1}/ {a=\$2}; END { if (a) {print a}}" "$conf")"
        if [[ -n "$target" ]]; then
            if [[ -t 1 ]]; then
                cd "$target" || return 1
                return
            else
                [[ -d "$target" ]] || return 1
                echo "$target"
                return
            fi
        fi
        return 1
    fi
    if [[ $# -eq 2 ]]; then
        local target
        local name
        name="$1"
        if [[ -d "$2" ]]; then
            target=$(cd "$2" && pwd)
            if [[ -n "$target" ]]; then
                sed -i -e "/^$name/d" "$conf"
                echo "$name" "$target" >> "$conf"
            fi
        fi
        return 1
    fi
}