scripts.sh

#!/bin/bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
MODULES_DIR="$SCRIPT_DIR/modules"

run_module() {
    local name="$1"
    local mod="$MODULES_DIR/$name"
    if [[ -f "$mod" ]]; then
        bash "$mod"
    else
        echo "module not found: $name" >&2
        return 1
    fi
}

# pass args: each arg is a module filename to run directly
if [[ $# -ne 0 ]]; then
    for var in "$@"; do
        run_module "$var"
    done
    exit 0
fi

shopt -s nullglob
mods=( "$MODULES_DIR"/*.sh )
shopt -u nullglob

filtered=()
for m in "${mods[@]}"; do
    [[ "$(basename "$m")" == "util.sh" ]] && continue
    filtered+=("$m")
done

cols="$(tput cols 2>/dev/null || echo 120)"

while true; do
    echo
    n=1
    current_group=""
    items=()
    print_group() {
        printf '%s\n' "${items[@]}" | column -c "$cols"
        items=()
    }
    for m in "${filtered[@]}"; do
        name="$(basename "$m" .sh)"
        group="${name%%_*}"
        if [[ "$group" != "$current_group" ]]; then
            [[ -n "$current_group" ]] && print_group
            echo
            echo "$group"
            echo "-------------------"
            current_group="$group"
        fi
        display="${name#*_}"
        display="${display//_/ }"
        items+=("$(printf "%2d) %s" "$n" "$display")")
        n=$((n+1))
    done
    print_group
    echo
    IFS= read -rn1 -p "Select a number, q/Esc to quit: " key || break
    if [[ "$key" == $'\e' ]]; then
        break
    fi
    if [[ -n "$key" ]]; then
        read -r rest
        choice="$key$rest"
    else
        choice=""
    fi
    case "$choice" in
        q|Q) break ;;
        ''|*[!0-9]*) echo "invalid selection" ;;
        *)
            idx=$((choice - 1))
            if (( idx >= 0 && idx < ${#filtered[@]} )); then
                mod="${filtered[$idx]}"
                if bash "$mod"; then
                    echo "done: $(basename "$mod")"
                else
                    echo "failed: $(basename "$mod") (exit $?)"
                fi
            else
                echo "invalid number"
            fi
            ;;
    esac
done