#!/bin/bash
# Prometheus Installation Script for Claude Code
# Multi-agent AI code analysis and issue resolution system

set -euo pipefail

PROMETHEUS_DIR="${HOME}/.claude/prometheus"
VENV_DIR="${PROMETHEUS_DIR}/venv"
LOG_DIR="${PROMETHEUS_DIR}/logs"

mkdir -p "$LOG_DIR"

log() {
    echo "[$(date -u +"%Y-%m-%d %H:%M:%S UTC")] [prometheus-install] $*" | tee -a "${LOG_DIR}/install.log"
}

log "Starting Prometheus installation..."

# Check Python version
if ! command -v python3 >/dev/null 2>&1; then
    log "ERROR: Python 3 not found"
    exit 1
fi

# Create virtual environment
log "Creating virtual environment at ${VENV_DIR}..."
cd "${PROMETHEUS_DIR}"
python3 -m venv "$VENV_DIR"

# Activate and install dependencies
log "Installing Python dependencies..."
source "${VENV_DIR}/bin/activate"
pip install --upgrade pip setuptools wheel

# Install core dependencies
log "Installing core dependencies..."
pip install \
    langgraph \
    langchain \
    langchain-community \
    langchain-openai \
    neo4j \
    docker \
    pytest \
    pydantic \
    python-dotenv \
    rich \
    typer \
    uvicorn \
    fastapi \
    httpx \
    aiostream

log "Prometheus installation complete!"
log "Activate with: source ${VENV_DIR}/bin/activate"
log "Python path: ${VENV_DIR}/bin/python"

# Save paths for later use
cat > "${PROMETHEUS_DIR}/paths.sh" << 'PATHS_EOF'
#!/bin/bash
export PROMETHEUS_DIR="${HOME}/.claude/prometheus"
export PROMETHEUS_VENV="${PROMETHEUS_DIR}/venv"
export PROMETHEUS_PYTHON="${PROMETHEUS_VENV}/bin/python"
export PROMETHEUS_LOGS="${PROMETHEUS_DIR}/logs"
PATHS_EOF

chmod +x "${PROMETHEUS_DIR}/paths.sh"

log "Installation successful!"