#!/bin/bash
# ================================================================================
#  USSU ALGORITHM ANALYZER v4.0 — Linux/Kali Installer
#  Author: Ussu (github.com/issu321)
#  Repo: https://github.com/issu321/ADA-Python
#  No virtualenv — installs directly to system/user Python
# ================================================================================

set -e

echo ""
echo "  ╔═══════════════════════════════════════════════════════════════╗"
echo "  ║     USSU ALGORITHM ANALYZER v4.0 — INSTALLER                ║"
echo "  ║     Linux / Kali / macOS | Python 3.10+ | Flask Edition     ║"
echo "  ║     github.com/issu321 | github.com/issu321/ADA-Python      ║"
echo "  ╚═══════════════════════════════════════════════════════════════╝"
echo ""

# Detect Python
PYTHON_CMD=""
for cmd in python3 python; do
    if command -v $cmd &> /dev/null; then
        VER=$($cmd --version 2>&1 | grep -oP '\d+\.\d+')
        MAJOR=$(echo $VER | cut -d. -f1)
        MINOR=$(echo $VER | cut -d. -f2)
        if [ "$MAJOR" -ge 3 ] && [ "$MINOR" -ge 10 ]; then
            PYTHON_CMD=$cmd
            break
        fi
    fi
done

if [ -z "$PYTHON_CMD" ]; then
    echo "  ❌ Python 3.10+ not found. Please install Python 3.10 or newer."
    exit 1
fi

echo "  ✅ Python detected: $PYTHON_CMD ($($PYTHON_CMD --version 2>&1))"

# Install dependencies (user install, no venv)
echo ""
echo "  📦 Installing dependencies..."
$PYTHON_CMD -m pip install --upgrade pip
$PYTHON_CMD -m pip install --user -r requirements.txt

echo ""
echo "  ✅ Installation complete!"
echo ""
echo "  🚀 To start the app:"
echo "     $PYTHON_CMD app.py"
echo ""
echo "  🌐 Then open http://localhost:7860 in your browser"
echo ""
echo "  📚 Repo: https://github.com/issu321/ADA-Python"
echo "  👤 Author: https://github.com/issu321"
echo ""