install.sh

#!/usr/bin/env bash

# Installation script for git-ignore extension
# This script installs git-ignore command and shell completions

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
INSTALL_DIR="${HOME}/.local/bin"
COMPLETION_DIR_BASH="${HOME}/.local/share/bash-completion/completions"
COMPLETION_DIR_ZSH="${HOME}/.zsh/completions"

# Colours for output
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
RED='\033[0;31m'
NC='\033[0m'

print_info() {
    echo -e "${BLUE}ℹ $1${NC}"
}

print_success() {
    echo -e "${GREEN}✓ $1${NC}"
}

print_warning() {
    echo -e "${YELLOW}⚠ $1${NC}"
}

print_error() {
    echo -e "${RED}✗ $1${NC}"
}

# Check if running from the correct directory
if [[ ! -f "${SCRIPT_DIR}/git-ignore" ]]; then
    print_error "git-ignore script not found in current directory"
    exit 1
fi

echo "==================================="
echo "Git Ignore Extension Installer"
echo "==================================="
echo

# Create installation directory if it doesn't exist
if [[ ! -d "$INSTALL_DIR" ]]; then
    print_info "Creating installation directory: $INSTALL_DIR"
    mkdir -p "$INSTALL_DIR"
fi

# Install the main script
print_info "Installing git-ignore command..."
cp "${SCRIPT_DIR}/git-ignore" "$INSTALL_DIR/git-ignore"
chmod +x "$INSTALL_DIR/git-ignore"
print_success "Installed git-ignore to $INSTALL_DIR"

# Check if install directory is in PATH
if [[ ":$PATH:" != *":$INSTALL_DIR:"* ]]; then
    print_warning "$INSTALL_DIR is not in your PATH"
    echo
    echo "Add the following line to your shell configuration file:"
    echo "  export PATH=\"\$PATH:$INSTALL_DIR\""
    echo
    
    # Detect shell and suggest the right config file
    if [[ -n "$BASH_VERSION" ]]; then
        echo "For bash, add to ~/.bashrc or ~/.bash_profile"
    elif [[ -n "$ZSH_VERSION" ]]; then
        echo "For zsh, add to ~/.zshrc"
    fi
fi

# Install bash completion
if [[ -f "${SCRIPT_DIR}/git-ignore-completion.bash" ]]; then
    print_info "Installing bash completion..."
    
    # Create bash completion directory if it doesn't exist
    mkdir -p "$COMPLETION_DIR_BASH"
    
    # Install completion file
    cp "${SCRIPT_DIR}/git-ignore-completion.bash" "$COMPLETION_DIR_BASH/git-ignore"
    print_success "Installed bash completion"
    
    # Check if bash completion is sourced
    if [[ -n "$BASH_VERSION" ]]; then
        if [[ -f ~/.bashrc ]] && ! grep -q "bash-completion/completions" ~/.bashrc; then
            print_info "To enable bash completion, add to ~/.bashrc:"
            echo "  for file in ~/.local/share/bash-completion/completions/*; do"
            echo "    [ -f \"\$file\" ] && source \"\$file\""
            echo "  done"
        fi
    fi
fi

# Install zsh completion
if [[ -f "${SCRIPT_DIR}/git-ignore-completion.zsh" ]]; then
    print_info "Installing zsh completion..."
    
    # Create zsh completion directory if it doesn't exist
    mkdir -p "$COMPLETION_DIR_ZSH"
    
    # Install completion file with proper naming for zsh
    cp "${SCRIPT_DIR}/git-ignore-completion.zsh" "$COMPLETION_DIR_ZSH/_git-ignore"
    print_success "Installed zsh completion"
    
    # Check if zsh completion directory is in fpath
    if [[ -n "$ZSH_VERSION" ]]; then
        print_info "To enable zsh completion, ensure the following in ~/.zshrc:"
        echo "  fpath=(~/.zsh/completions \$fpath)"
        echo "  autoload -Uz compinit && compinit"
    fi
fi

echo
print_success "Installation complete!"
echo

# Test if git recognises the command
if command -v git-ignore >/dev/null 2>&1; then
    print_success "git-ignore command is available"
    
    # Test if it works as a git subcommand
    if git ignore help >/dev/null 2>&1; then
        print_success "git ignore subcommand is working"
    else
        print_warning "git ignore subcommand may need a shell restart to work"
    fi
else
    print_warning "git-ignore command not found. You may need to:"
    echo "  1. Add $INSTALL_DIR to your PATH"
    echo "  2. Restart your shell or run: source ~/.bashrc (or ~/.zshrc)"
fi

echo
echo "Usage examples:"
echo "  git ignore '*.log'                  # Add *.log to .gitignore"
echo "  git ignore add build/ node_modules/ # Add multiple patterns"
echo "  git ignore remove '*.tmp'           # Remove a pattern"
echo "  git ignore list                     # List all patterns"
echo "  git ignore check file.txt           # Check if file is ignored"
echo
print_info "For autocomplete to work, restart your shell or source your shell config"