#!/usr/bin/env bash
# ═══════════════════════════════════════════════════════════════════
# FSI_FELON v4.0 — One-Command Install
# ═══════════════════════════════════════════════════════════════════
# Usage: curl -fsSL https://huggingface.co/FerrellSyntheticIntelligence/FSI_FELON/resolve/main/install.sh | bash
# ═══════════════════════════════════════════════════════════════════

set -e

RED='\033[0;31m'
GREEN='\033[0;32m'
CYAN='\033[0;36m'
BOLD='\033[1m'
NC='\033[0m'

echo -e "${CYAN}${BOLD}"
echo "  ╔══════════════════════════════════════════════╗"
echo "  ║        ⚡ FSI_FELON v4.0 INSTALLER           ║"
echo "  ║  Ferrell Synthetic Intelligence              ║"
echo "  ╚══════════════════════════════════════════════╝"
echo -e "${NC}"

# ── Detect OS ──
OS="$(uname -s)"
case "$OS" in
    Linux*)   INSTALL_DIR="${INSTALL_DIR:-$HOME/fsi_felon}" ;;
    Darwin*)  INSTALL_DIR="${INSTALL_DIR:-$HOME/fsi_felon}" ;;
    MINGW*|MSYS*) INSTALL_DIR="${INSTALL_DIR:-$USERPROFILE/fsi_felon}" ;;
    *)
        echo -e "${RED}Unsupported OS: $OS${NC}"
        exit 1
        ;;
esac

echo -e "  ${CYAN}📍${NC} Installing to: ${BOLD}$INSTALL_DIR${NC}"
echo ""

# ── Check Python ──
PYTHON=""
for cmd in python3 python; do
    if command -v "$cmd" &>/dev/null; then
        VER=$("$cmd" --version 2>&1 | grep -oP '\d+\.\d+')
        MAJOR="${VER%%.*}"
        MINOR="${VER#*.}"
        if [ "$MAJOR" -ge 3 ] && [ "$MINOR" -ge 10 ]; then
            PYTHON="$cmd"
            break
        fi
    fi
done

if [ -z "$PYTHON" ]; then
    echo -e "${RED}  ✗ Python 3.10+ required.${NC}"
    echo -e "  Install: sudo apt install python3 python3-pip (Linux)"
    echo -e "           brew install python (macOS)"
    exit 1
fi
echo -e "  ${GREEN}✓${NC} Python $("$PYTHON" --version)"

# ── Clone or Download ──
if [ -d "$INSTALL_DIR/.git" ]; then
    echo -e "  ${CYAN}↻${NC} Updating existing install..."
    cd "$INSTALL_DIR" && git pull --ff-only 2>/dev/null || true
else
    echo -e "  ${CYAN}↓${NC} Downloading FSI_FELON..."
    if command -v git &>/dev/null; then
        git clone --depth 1 https://github.com/AnonymousNomad/FSI_FELON.git "$INSTALL_DIR" 2>/dev/null || {
            echo -e "  ${CYAN}↓${NC} Git failed, downloading archive..."
            mkdir -p "$INSTALL_DIR"
            curl -fsSL "https://github.com/AnonymousNomad/FSI_FELON/archive/refs/heads/master.tar.gz" | tar -xz --strip=1 -C "$INSTALL_DIR"
        }
    else
        mkdir -p "$INSTALL_DIR"
        curl -fsSL "https://github.com/AnonymousNomad/FSI_FELON/archive/refs/heads/master.tar.gz" | tar -xz --strip=1 -C "$INSTALL_DIR"
    fi
fi

cd "$INSTALL_DIR"

# ── Install Dependencies ──
echo -e "  ${CYAN}📦${NC} Installing Python dependencies..."
"$PYTHON" -m pip install --upgrade pip -q 2>/dev/null || true
"$PYTHON" -m pip install -r requirements.txt -q 2>/dev/null || {
    echo -e "  ${CYAN}📦${NC} Installing minimal deps..."
    "$PYTHON" -m pip install numpy requests -q
}
echo -e "  ${GREEN}✓${NC} Dependencies installed"

# ── Create Launch Script ──
cat > "$INSTALL_DIR/fsi_felon.sh" << 'SCRIPT'
#!/usr/bin/env bash
DIR="$(cd "$(dirname "$0")" && pwd)"
cd "$DIR"
echo ""
echo "  ⚡ FSI_FELON v4.0 — Starting IDE..."
echo "  Open http://localhost:9090 in your browser"
echo ""
python3 ide/server.py
SCRIPT
chmod +x "$INSTALL_DIR/fsi_felon.sh"

echo ""
echo -e "${GREEN}${BOLD}  ──────────────────────────────────────────────"
echo "   ✓ FSI_FELON v4.0 INSTALLED SUCCESSFULLY"
echo "  ──────────────────────────────────────────────${NC}"
echo ""
echo -e "  ${CYAN}▶${NC} Start the IDE:"
echo "      cd $INSTALL_DIR && bash fsi_felon.sh"
echo ""
echo -e "  ${CYAN}▶${NC} Or run manually:"
echo "      cd $INSTALL_DIR && python3 ide/server.py"
echo "      → Open http://localhost:9090"
echo ""
echo -e "  ${CYAN}▶${NC} Try the API:"
echo "      cd $INSTALL_DIR && python3 api_demo.py"
echo ""
echo -e "  ${CYAN}📖${NC} Full docs: https://github.com/AnonymousNomad/FSI_FELON"
echo -e "  ${CYAN}💬${NC} Questions: ferrellsyntheticintelligence@proton.me"
echo ""
echo -e "${BOLD}Forever Twenty Four. ${NC}Ship or get out of the way."
echo ""