#!/bin/sh

# shmake_utils.sh - Utility functions for shmake
# Author: Emilia Marigold

#=========================================================================================
# Get script directory (POSIX-compliant)
#=========================================================================================
get_script_dir()
{
        script_path="$0"

        case "$script_path" in
                */*) ;;
                *)
                        resolved=$(command -v "$0" 2>/dev/null)
                        if [ -n "$resolved" ]; then
                                script_path="$resolved"
                        fi
                        ;;
        esac

        case "$script_path" in
                /*) ;;
                *)  script_path="$(pwd)/$script_path" ;;
        esac

        printf "%s" "$(cd "$(dirname "$script_path")" && pwd)"
}

#=========================================================================================
# Safe input reading for POSIX sh
#=========================================================================================
read_input()
{
        prompt="$1"
        default="$2"
        variable_name="$3"

        if [ -n "$default" ]; then
                printf "%s [%s]: " "$prompt" "$default"
        else
                printf "%s: " "$prompt"
        fi

        read -r input_val

        if [ -z "$input_val" ]; then
                input_val="$default"
        fi

        eval "$variable_name='$input_val'"
}

#=========================================================================================
# Check if running from project root
#=========================================================================================
check_project_root()
{
        if [ ! -f "shmake_config/project.conf" ]; then
                printf "Error: Not in a shmake project directory.\n"
                printf "Run 'shmake init' first or cd into your project folder.\n"
                exit 1
        fi
}