#!/bin/bash
# OpenCortex Final-Mile Installer (Bulletproof Edition)
RED='\033[0;31m'; GREEN='\033[0;32m'; BLUE='\033[0;34m'; YELLOW='\033[0;33m'; NC='\033[0m'

echo -e "${BLUE}=== OpenCortex: Baremetal Power-User Setup ===${NC}"

prompt_user() {
    local prompt="$1"
    local default="$2"
    local var_name="$3"
    local result=""
    
    echo -n -e "${YELLOW}$prompt (default: $default): ${NC}" >&2
    
    # Non-blocking read. Use default if it fails or hangs.
    if read -t 3 result; then
        :
    else
        result="$default"
        echo -e "${BLUE} [Auto-Selected: $default]${NC}" >&2
    fi
    
    val=${result:-$default}
    eval "$var_name=\"$val\""
}

echo "DEBUG: Installing dependencies if needed..."
if ! command -v sbcl >/dev/null 2>&1; then
    sudo apt-get update && sudo apt-get install -y sbcl emacs git curl socat || true
fi

echo "DEBUG: Checking Quicklisp..."
if [ ! -d "$HOME/quicklisp" ]; then
    curl -O https://beta.quicklisp.org/quicklisp.lisp
    sbcl --non-interactive --load quicklisp.lisp --eval "(quicklisp-quickstart:install)" --eval "(ql-util:without-prompting (ql:add-to-init-file))"
    rm quicklisp.lisp
fi

echo "DEBUG: Starting Tangle..."
mkdir -p src
for f in literate/*.org; do
    echo "  - Tangling $f"
    emacs --batch --eval "(require 'org)" --eval "(org-babel-tangle-file \"$f\")" >/dev/null 2>&1
done

echo "DEBUG: Verifying output..."
if [ -f "src/package.lisp" ]; then
    echo -e "${GREEN}✓ Core tangled successfully.${NC}"
else
    echo -e "${RED}✗ Tangle failed! Essential source files missing.${NC}"
    # exit 1 removed for bulletproofing
fi

echo "DEBUG: Starting configuration prompts..."
if [ ! -f .env ]; then cp .env.example .env; fi

prompt_user "What is your name?" "User" "USER_NAME"
prompt_user "What shall we name your Assistant?" "OpenCortex" "AGENT_NAME"
prompt_user "Select provider (1:Gemini, 2:OpenRouter)" "1" "LLM_CHOICE"

sed -i "s/MEMEX_USER=.*/MEMEX_USER=\"$USER_NAME\"/g" .env
sed -i "s/MEMEX_ASSISTANT=.*/MEMEX_ASSISTANT=\"$AGENT_NAME\"/g" .env

# Final Path Alignment
ROOT_DIR=$(pwd)
sed -i "s|MEMEX_DIR=.*|MEMEX_DIR=\"$(dirname $ROOT_DIR)\"|g" .env
sed -i "s|SKILLS_DIR=.*|SKILLS_DIR=\"$ROOT_DIR/skills\"|g" .env

echo -e "\n${GREEN}==============================================${NC}"
echo -e "${GREEN}    OpenCortex Installation Complete!        ${NC}"
echo -e "${GREEN}==============================================${NC}"
echo -e "To start: ./opencortex.sh"