#!/usr/bin/env bash
set -euo pipefail

# Global MEV Tools Manager
# This script provides tools to manage development environments across multiple projects

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
GLOBAL_CONFIG_DIR="$HOME/.config/mev-tools"

# Create global config directory
mkdir -p "$GLOBAL_CONFIG_DIR"

# Function to display usage
usage() {
    echo "Usage: $0 [COMMAND]"
    echo "Global tools for MEV development"
    echo ""
    echo "Commands:"
    echo "  install          - Install global tools to PATH"
    echo "  setup-project    - Setup a new project with standardized structure"
    echo "  update-tools     - Update all global tools"
    echo "  check-env        - Check if development environment is properly configured"
    echo "  help             - Show this help"
    echo ""
    echo "Examples:"
    echo "  $0 install           # Install tools to local bin"
    echo "  $0 setup-project my-project # Create new project"
}

# Function to install global tools
install_tools() {
    echo "Installing global tools..."

    # Create local bin directory
    mkdir -p "$HOME/bin"

    # Copy tools to bin (this script and others)
    cp "$SCRIPT_DIR/../../scripts/test-runner.sh" "$HOME/bin/test-runner" 2>/dev/null || echo "test-runner not found in expected location"
    cp "$SCRIPT_DIR/../../scripts/build.sh" "$HOME/bin/build-tool" 2>/dev/null || echo "build-tool not found in expected location"
    cp "$SCRIPT_DIR/../../scripts/setup-dev.sh" "$HOME/bin/dev-setup" 2>/dev/null || echo "dev-setup not found in expected location"
    cp "$SCRIPT_DIR/../../scripts/performance-profile.sh" "$HOME/bin/perf-profile" 2>/dev/null || echo "perf-profile not found in expected location"
    
    # Make them executable
    chmod +x "$HOME/bin/test-runner" "$HOME/bin/build-tool" "$HOME/bin/dev-setup" "$HOME/bin/perf-profile" 2>/dev/null || true

    # Add to PATH if not already there
    if [[ ":$PATH:" != *":$HOME/bin:"* ]]; then
        echo "Adding $HOME/bin to PATH..."
        echo 'export PATH="$HOME/bin:$PATH"' >> "$HOME/.bashrc"
        echo "Please run 'source ~/.bashrc' or restart your shell to update PATH"
    fi

    echo "Tools installed successfully!"
    echo "Available tools:"
    echo "  test-runner - Universal test runner"
    echo "  build-tool  - Universal build tool"
    echo "  dev-setup   - Development environment setup"
    echo "  perf-profile - Performance profiling tool"
}

# Function to setup a new project
setup_project() {
    PROJECT_NAME="${1:-}"
    if [ -z "$PROJECT_NAME" ]; then
        echo "Usage: $0 setup-project <project-name>"
        exit 1
    fi

    echo "Creating new project: $PROJECT_NAME"
    "$SCRIPT_DIR/../../scripts/create-project-template.sh" "$PROJECT_NAME"
}

# Function to update tools
update_tools() {
    echo "Updating global tools..."
    echo "Note: In a real implementation, this would update tools from a central repository."
    echo "For now, please manually update the scripts."
}

# Function to check environment
check_env() {
    echo "Checking development environment..."
    
    # Check Go
    if command -v go &> /dev/null; then
        echo "✓ Go $(go version | cut -d' ' -f3) installed"
    else
        echo "✗ Go not installed"
        exit 1
    fi
    
    # Check Git
    if command -v git &> /dev/null; then
        echo "✓ Git $(git --version | cut -d' ' -f3) installed"
    else
        echo "✗ Git not installed"
        exit 1
    fi
    
    # Check for global tools
    if command -v test-runner &> /dev/null; then
        echo "✓ test-runner available in PATH"
    else
        echo "⚠ test-runner not available in PATH"
    fi
    
    if command -v build-tool &> /dev/null; then
        echo "✓ build-tool available in PATH"
    else
        echo "⚠ build-tool not available in PATH"
    fi
    
    echo "Environment check completed."
}

# Main command router
case "${1:-}" in
    "install")
        install_tools
        ;;
    "setup-project")
        setup_project "$2"
        ;;
    "update-tools")
        update_tools
        ;;
    "check-env")
        check_env
        ;;
    "help"|"-h"|"--help")
        usage
        ;;
    *)
        usage
        if [ $# -gt 0 ]; then
            exit 1
        fi
        ;;
esac