#!/bin/bash
# Local build script for Cthulhu development
# Builds and installs Cthulhu to ~/.local without touching system installation

set -e  # Exit on any error

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
NC='\033[0m' # No Color

echo -e "${GREEN}=== Cthulhu Local Build Script ===${NC}"

# Check if we're in the right directory
if [[ ! -f "configure.ac" ]]; then
    echo -e "${RED}Error: Not in Cthulhu source directory (configure.ac not found)${NC}"
    exit 1
fi

# Check dependencies
echo -e "${YELLOW}Checking dependencies...${NC}"
if ! command -v autoreconf &> /dev/null; then
    echo -e "${RED}Error: autoreconf not found. Install autotools.${NC}"
    exit 1
fi

if ! python3 -c "import dasbus" 2>/dev/null; then
    echo -e "${YELLOW}Warning: dasbus not available. D-Bus service will be disabled.${NC}"
fi

# Clean previous build artifacts (optional)
if [[ "$1" == "--clean" ]]; then
    echo -e "${YELLOW}Cleaning previous build...${NC}"
    make distclean 2>/dev/null || true
    rm -rf autom4te.cache configure config.status Makefile
fi

# Set local installation prefix
LOCAL_PREFIX="$HOME/.local"
echo -e "${YELLOW}Installing to: ${LOCAL_PREFIX}${NC}"

# Regenerate autotools files
echo -e "${YELLOW}Regenerating autotools files...${NC}"
autoreconf -fiv

# Configure for local installation
echo -e "${YELLOW}Configuring...${NC}"
./configure --prefix="$LOCAL_PREFIX" \
    --sysconfdir="$LOCAL_PREFIX/etc" \
    --localstatedir="$LOCAL_PREFIX/var" \
    --disable-help

# Build
echo -e "${YELLOW}Building...${NC}"
make -j$(nproc)

# Install locally
echo -e "${YELLOW}Installing to local prefix...${NC}"
make install || {
    echo -e "${YELLOW}Warning: make install had errors, but checking if binary was created...${NC}"
    if [[ -f "$LOCAL_PREFIX/bin/cthulhu" ]]; then
        echo -e "${GREEN}Binary successfully installed despite makefile warnings.${NC}"
    else
        echo -e "${RED}Installation failed.${NC}"
        exit 1
    fi
}

echo -e "${GREEN}=== Build Complete ===${NC}"
echo -e "${GREEN}Cthulhu installed to: ${LOCAL_PREFIX}${NC}"
echo -e "${GREEN}Binary location: ${LOCAL_PREFIX}/bin/cthulhu${NC}"
echo ""
echo -e "${YELLOW}To run local Cthulhu:${NC}"
echo -e "  ${LOCAL_PREFIX}/bin/cthulhu"
echo ""
echo -e "${YELLOW}To add to PATH (add to ~/.bashrc):${NC}"
echo -e "  export PATH=\"${LOCAL_PREFIX}/bin:\$PATH\""
echo ""
echo -e "${YELLOW}To uninstall local build:${NC}"
echo -e "  ./clean-local.sh"