#!/bin/bash

dirs=()
for d in */ ; do
    dirs+=("${d%/}")
done

selected=()
for ((i=0; i<${#dirs[@]}; i++)); do
    selected[i]=0
done

stty -echo -icanon time 0 min 0

current=0
while true; do
    clear
    echo "Use ↑/↓ to move, space to select, Enter to confirm."
    for ((i=0; i<${#dirs[@]}; i++)); do
        mark="[ ]"
        [[ ${selected[i]} -eq 1 ]] && mark="[x]"
        if [[ $i -eq $current ]]; then
            echo -e "> \e[7m$mark ${dirs[i]}\e[0m"
        else
            echo "  $mark ${dirs[i]}"
        fi
    done

    IFS= read -rsn1 key
    if [[ $key == $'\x1b' ]]; then
        read -rsn2 -t 0.1 key2
        key+=$key2
    fi

    case "$key" in
        $'\x1b[A') ((current--)) ;;  # Up
        $'\x1b[B') ((current++)) ;;  # Down
        " ")
            selected[$current]=$((1 - selected[$current]))
            ;;
        "")
            break
            ;;
    esac

    ((current<0)) && current=$((${#dirs[@]}-1))
    ((current>=${#dirs[@]})) && current=0
done

stty sane

for ((i=0; i<${#dirs[@]}; i++)); do
    if [[ ${selected[i]} -eq 1 ]]; then
        dir="${dirs[i]}"
        if [[ -f "$dir/apply.sh" ]]; then
            echo "Running apply.sh in $dir"
            (cd "$dir" && bash apply.sh)
        else
            echo "No apply.sh found in $dir"
        fi
    fi
done