#!/bin/sh
# furt-lua/scripts/start.sh - Bereinigt ohne obsoletes Environment-System
set -e

# Colors
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m'

SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
PROJECT_DIR="$(dirname "$SCRIPT_DIR")"

echo -e "${GREEN}=== Furt Lua HTTP-Server Startup ===${NC}"

# User can override this manually if needed:
LUA_COMMAND=""

# Config check first (like old .env check)
if [ "$(uname)" = "OpenBSD" ] || [ "$(uname)" = "FreeBSD" ]; then
    CONFIG_FILE="/usr/local/etc/furt/furt.conf"
else
    CONFIG_FILE="/etc/furt/furt.conf"
fi

if [ ! -f "$CONFIG_FILE" ] && [ ! -f "$PROJECT_DIR/config/furt.conf" ]; then
    echo -e "${RED}Error: furt.conf not found${NC}"
    echo "Create config first in $CONFIG_FILE or $PROJECT_DIR/config/furt.conf"
    exit 1
fi

if [ -z "$LUA_COMMAND" ]; then
    # Test standard distribution paths
    for cmd in lua51 lua5.1; do
        if command -v "$cmd" >/dev/null 2>&1; then
            LUA_COMMAND="$cmd"
            break
        fi
    done
fi

if [ -z "$LUA_COMMAND" ]; then
    echo -e "${RED}Error: No Lua 5.1 found${NC}"
    echo "Install options:"
    echo "  Arch:     pacman -S lua51"
    echo "  OpenBSD:  pkg_add lua51"
    echo "  Debian:   apt install lua5.1"
    echo "  FreeBSD:  pkg install lua51"
    echo ""
    echo "Or set: LUA_COMMAND=/custom/path/lua51 at top of this script"
    exit 1
fi

echo -e "${GREEN}Found Lua:${NC} $LUA_COMMAND"

# Dependency checks (lua-socket, lua-cjson)
$LUA_COMMAND -e "require('socket')" 2>/dev/null || {
    echo -e "${RED}Error: lua-socket not found${NC}"
    exit 1
}

$LUA_COMMAND -e "require('cjson')" 2>/dev/null || {
    echo -e "${RED}Error: lua-cjson not found${NC}"
    exit 1
}

cd "$PROJECT_DIR"

echo -e "${GREEN}Starting Furt...${NC}"

# Service vs Interactive Detection
if [ ! -t 0 ] || [ ! -t 1 ]; then
    # Service mode - Background
    "$LUA_COMMAND" src/main.lua &
else
    # Interactive mode - Foreground  
    exec "$LUA_COMMAND" src/main.lua
fi

# Furt liest selbst seine Config aus furt.conf
#exec "$LUA_COMMAND" src/main.lua