config.sh

#!/bin/bash
# Interactive configuration script for li
# Enhanced directory listing tool
#
# Copyright (c) 2025 Lotus-OS Core
# Licensed under MIT License

set -e

# Colors for output
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
CYAN='\033[0;36m'
MAGENTA='\033[0;35m'
BOLD='\033[1m'
NC='\033[0m' # No Color

# Configuration variables
CONFIG_DIR="${HOME}/.config/li"
CONFIG_FILE="${CONFIG_DIR}/config.ini"
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

# Print functions
print_header() {
    echo ""
    echo -e "${CYAN}${BOLD}╔════════════════════════════════════════════════════════════╗${NC}"
    echo -e "${CYAN}${BOLD}║                                                            ║${NC}"
    echo -e "${CYAN}${BOLD}║                Li Configuration Script                     ║${NC}"
    echo -e "${CYAN}${BOLD}║                                                            ║${NC}"
    echo -e "${CYAN}${BOLD}╚════════════════════════════════════════════════════════════╝${NC}"
    echo ""
}

print_section() {
    echo ""
    echo -e "${BOLD}${MAGENTA}━━━ $1 ━━━${NC}"
    echo ""
}

print_step() {
    echo -e "${BLUE}[*]${NC} $1"
}

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

print_warning() {
    echo -e "${YELLOW}[!]${NC} $1"
}

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

print_info() {
    echo -e "${CYAN}[i]${NC} $1"
}

# Interactive prompt function
prompt_yes_no() {
    local prompt="$1"
    local default="${2:-n}"
    
    if [ "$default" = "y" ]; then
        local options="[Y/n]"
    else
        local options="[y/N]"
    fi
    
    while true; do
        echo -ne "${YELLOW}${prompt} ${options}: ${NC}"
        read -r response
        response=${response:-${default}}
        
        case "$response" in
            [Yy])
                return 0
                ;;
            [Nn])
                return 1
                ;;
            *)
                print_error "Please enter 'y' or 'n'"
                ;;
        esac
    done
}

prompt_input() {
    local prompt="$1"
    local default="$2"
    
    while true; do
        if [ -n "$default" ]; then
            echo -ne "${YELLOW}${prompt} [${default}]: ${NC}"
        else
            echo -ne "${YELLOW}${prompt}: ${NC}"
        fi
        read -r response
        
        if [ -z "$response" ]; then
            response="$default"
        fi
        
        if [ -n "$response" ]; then
            PROMPT_RESULT="$response"
            echo "$PROMPT_RESULT"
            return 0
        fi
        
        print_error "Value cannot be empty"
    done
}

prompt_list() {
    local prompt="$1"
    shift
    local options=("$@")
    
    echo -e "${YELLOW}${prompt}:${NC}"
    echo ""
    
    local i=1
    for option in "${options[@]}"; do
        echo "  $i) $option"
        ((i++))
    done
    
    echo ""
    
    while true; do
        echo -ne "${YELLOW}Enter choice [1-${#options[@]}]: ${NC}"
        read -r response
        
        if [[ "$response" =~ ^[0-9]+$ ]] && [ "$response" -ge 1 ] && [ "$response" -le ${#options[@]} ]; then
            PROMPT_RESULT="${options[$((response-1))]}"
            echo "$PROMPT_RESULT"
            return 0
        else
            print_error "Invalid choice. Please enter a number between 1 and ${#options[@]}"
        fi
    done
}

prompt_color() {
    local prompt="${1:-Select color}"
    echo -e "${YELLOW}${prompt}:${NC}"
    echo ""
    echo "  1) Black"
    echo "  2) Red"
    echo "  3) Green"
    echo "  4) Yellow"
    echo "  5) Blue"
    echo "  6) Magenta"
    echo "  7) Cyan"
    echo "  8) White"
    echo "  9) Bright Black"
    echo "  10) Bright Red"
    echo "  11) Bright Green"
    echo "  12) Bright Yellow"
    echo "  13) Bright Blue"
    echo "  14) Bright Magenta"
    echo "  15) Bright Cyan"
    echo "  16) Bright White"
    echo ""
    
    while true; do
        echo -ne "${YELLOW}Enter color [1-16]: ${NC}"
        read -r response
        
        local color_name=""
        case "$response" in
            1) color_name="black" ;;
            2) color_name="red" ;;
            3) color_name="green" ;;
            4) color_name="yellow" ;;
            5) color_name="blue" ;;
            6) color_name="magenta" ;;
            7) color_name="cyan" ;;
            8) color_name="white" ;;
            9) color_name="bright-black" ;;
            10) color_name="bright-red" ;;
            11) color_name="bright-green" ;;
            12) color_name="bright-yellow" ;;
            13) color_name="bright-blue" ;;
            14) color_name="bright-magenta" ;;
            15) color_name="bright-cyan" ;;
            16) color_name="bright-white" ;;
            *)
                print_error "Invalid choice"
                continue
                ;;
        esac
        
        if [ -n "$color_name" ]; then
            PROMPT_RESULT="$color_name"
            echo "$PROMPT_RESULT"
            return 0
        fi
    done
}

# Create config directory
ensure_config_dir() {
    print_step "Ensuring configuration directory exists..."
    
    if [ ! -d "$CONFIG_DIR" ]; then
        mkdir -p "$CONFIG_DIR"
        print_success "Created $CONFIG_DIR"
    else
        print_info "Configuration directory already exists"
    fi
}

# Load current configuration
load_config() {
    print_step "Loading current configuration..."
    
    if [ -f "$CONFIG_FILE" ]; then
        print_success "Loaded existing configuration"
        
        # Export current values
        source <(grep -E '^[a-z_]+=' "$CONFIG_FILE" | sed 's/=/="/;s/$/"/' 2>/dev/null || true)
    else
        print_info "No existing configuration found, creating new one"
    fi
}

# Save configuration
save_config() {
    print_step "Saving configuration..."
    
    cat > "$CONFIG_FILE" << EOF
# Li Configuration File
# Generated by config script
# Created: $(date '+%Y-%m-%d %H:%M:%S')

[general]
# Theme: dark, light, or auto
theme=${THEME:-dark}

# Show hidden files by default
show_hidden=${SHOW_HIDDEN:-false}

# Show inode numbers
show_inode=${SHOW_INODE:-false}

# Use long listing format by default
long_format=${LONG_FORMAT:-false}

# Recursively list directories
recursive=${RECURSIVE:-false}

# Use human readable sizes
human_readable=${HUMAN_READABLE:-true}

# List directories before files
dirs_first=${DIRS_FIRST:-true}

# Show file type icons
show_icons=${SHOW_ICONS:-true}

# Enable colors
show_colors=${SHOW_COLORS:-true}

# Default sort method: name, size, time, extension, type
sort_by=${SORT_BY:-name}

# Reverse sort order
reverse_sort=${REVERSE_SORT:-false}

# Time format: full-iso, long-iso, iso, relative
time_style=${TIME_STYLE:-long-iso}

# Enable git integration
enable_git=${ENABLE_GIT:-true}

# Default block size (for size formatting)
block_size=${BLOCK_SIZE:-1024}

[colors]
# Color scheme for file types
# Available colors: black, red, green, yellow, blue, magenta, cyan, white
# Bright variants: bright-black, bright-red, etc.

dir_color=${DIR_COLOR:-blue}
file_color=${FILE_COLOR:-white}
exec_color=${EXEC_COLOR:-green}
link_color=${LINK_COLOR:-cyan}
special_color=${SPECIAL_COLOR:-yellow}

[display]
# Terminal width override (0 = auto-detect)
width=${WIDTH:-0}

# Quoting style: literal, shell, shell-always, shell-escape, escape, locale, clocale
quoting_style=${QUOTING_STYLE:-literal}

# Hyperlink mode: always, auto, never
hyperlink_mode=${HYPERLINK_MODE:-auto}

# Indicator style: none, slash, file-type, classify
indicator_style=${INDICATOR_STYLE:-none}

[git]
# Show git status in directory listing
show_status=${SHOW_STATUS:-true}

# Show branch name
show_branch=${SHOW_BRANCH:-true}

# Show modified indicator
show_modified=${SHOW_MODIFIED:-true}

# Show untracked indicator
show_untracked=${SHOW_UNTRACKED:-true}

[custom]
# Custom file type associations (uncomment and modify as needed)
# .cpp=C++:blue
# .py=🐍:yellow
# .js=📜:yellow
# .md=📖:blue
# .json=📋:yellow
# .zip=📦:red

# Custom ignore patterns (similar to .gitignore)
# ignore=*.bak,*.tmp,*.log,*.swp
EOF
    
    print_success "Configuration saved to $CONFIG_FILE"
}

# Configure general settings
configure_general() {
    print_section "General Settings"
    
    # Theme
    prompt_list "Select theme" \
        "Dark (for dark terminal backgrounds)" \
        "Light (for light terminal backgrounds)" \
        "Auto (detect from terminal)"
    THEME="$PROMPT_RESULT"
    
    case "$THEME" in
        "Dark"*) THEME="dark" ;;
        "Light"*) THEME="light" ;;
        *) THEME="auto" ;;
    esac
    print_info "Theme: $THEME"
    
    # Show hidden files
    if prompt_yes_no "Show hidden files by default?" "${SHOW_HIDDEN:-n}"; then
        SHOW_HIDDEN="true"
    else
        SHOW_HIDDEN="false"
    fi
    
    # Show inode numbers
    if prompt_yes_no "Show inode numbers?" "${SHOW_INODE:-n}"; then
        SHOW_INODE="true"
    else
        SHOW_INODE="false"
    fi
    
    # Long format
    if prompt_yes_no "Use long listing format by default?" "${LONG_FORMAT:-n}"; then
        LONG_FORMAT="true"
    else
        LONG_FORMAT="false"
    fi
    
    # Recursive listing
    if prompt_yes_no "Recursively list directories by default?" "${RECURSIVE:-n}"; then
        RECURSIVE="true"
    else
        RECURSIVE="false"
    fi
    
    # Human readable sizes
    if prompt_yes_no "Use human readable sizes?" "${HUMAN_READABLE:-y}"; then
        HUMAN_READABLE="true"
    else
        HUMAN_READABLE="false"
    fi
    
    # Directories first
    if prompt_yes_no "List directories before files?" "${DIRS_FIRST:-y}"; then
        DIRS_FIRST="true"
    else
        DIRS_FIRST="false"
    fi
    
    # Show icons
    if prompt_yes_no "Show file type icons?" "${SHOW_ICONS:-y}"; then
        SHOW_ICONS="true"
    else
        SHOW_ICONS="false"
    fi
    
    # Show colors
    if prompt_yes_no "Enable colors?" "${SHOW_COLORS:-y}"; then
        SHOW_COLORS="true"
    else
        SHOW_COLORS="false"
    fi
    
    # Sort by
    local sort_options=("name" "size" "time" "extension" "type")
    prompt_list "Default sort method" "${sort_options[@]}"
    SORT_BY="$PROMPT_RESULT"
    print_info "Sort by: $SORT_BY"
    
    # Reverse sort
    if prompt_yes_no "Reverse sort order?" "${REVERSE_SORT:-n}"; then
        REVERSE_SORT="true"
    else
        REVERSE_SORT="false"
    fi
    
    # Time style
    local time_options=("full-iso" "long-iso" "iso" "relative")
    prompt_list "Time format" "${time_options[@]}"
    TIME_STYLE="$PROMPT_RESULT"
    print_info "Time style: $TIME_STYLE"
    
    # Enable git
    if prompt_yes_no "Enable git integration?" "${ENABLE_GIT:-y}"; then
        ENABLE_GIT="true"
    else
        ENABLE_GIT="false"
    fi
}

# Configure colors
configure_colors() {
    print_section "Color Settings"
    
    echo "Configure colors for different file types:"
    echo ""
    
    prompt_color "Directory color"
    DIR_COLOR="${PROMPT_RESULT:-$DIR_COLOR:-blue}"
    print_info "Directory color: $DIR_COLOR"
    
    prompt_color "Regular file color"
    FILE_COLOR="${PROMPT_RESULT:-$FILE_COLOR:-white}"
    print_info "File color: $FILE_COLOR"
    
    prompt_color "Executable file color"
    EXEC_COLOR="${PROMPT_RESULT:-$EXEC_COLOR:-green}"
    print_info "Executable color: $EXEC_COLOR"
    
    prompt_color "Symlink color"
    LINK_COLOR="${PROMPT_RESULT:-$LINK_COLOR:-cyan}"
    print_info "Symlink color: $LINK_COLOR"
    
    prompt_color "Special file (socket/pipe) color"
    SPECIAL_COLOR="${PROMPT_RESULT:-$SPECIAL_COLOR:-yellow}"
    print_info "Special file color: $SPECIAL_COLOR"
}

# Configure display settings
configure_display() {
    print_section "Display Settings"
    
    # Terminal width
    prompt_input "Terminal width override (0 = auto-detect)" "${WIDTH:-0}"
    WIDTH="$PROMPT_RESULT"
    
    # Quoting style
    local quoting_options=("literal" "shell" "shell-always" "shell-escape" "escape" "locale" "clocale")
    prompt_list "Quoting style" "${quoting_options[@]}"
    QUOTING_STYLE="$PROMPT_RESULT"
    print_info "Quoting style: $QUOTING_STYLE"
    
    # Hyperlink mode
    local hyperlink_options=("always" "auto" "never")
    prompt_list "Hyperlink mode" "${hyperlink_options[@]}"
    HYPERLINK_MODE="$PROMPT_RESULT"
    print_info "Hyperlink mode: $HYPERLINK_MODE"
    
    # Indicator style
    local indicator_options=("none" "slash" "file-type" "classify")
    prompt_list "Indicator style" "${indicator_options[@]}"
    INDICATOR_STYLE="$PROMPT_RESULT"
    print_info "Indicator style: $INDICATOR_STYLE"
}

# Configure git settings
configure_git() {
    print_section "Git Integration Settings"
    
    # Show status
    if prompt_yes_no "Show git status in directory listing?" "${SHOW_STATUS:-y}"; then
        SHOW_STATUS="true"
    else
        SHOW_STATUS="false"
    fi
    
    # Show branch
    if prompt_yes_no "Show branch name?" "${SHOW_BRANCH:-y}"; then
        SHOW_BRANCH="true"
    else
        SHOW_BRANCH="false"
    fi
    
    # Show modified
    if prompt_yes_no "Show modified file indicator?" "${SHOW_MODIFIED:-y}"; then
        SHOW_MODIFIED="true"
    else
        SHOW_MODIFIED="false"
    fi
    
    # Show untracked
    if prompt_yes_no "Show untracked file indicator?" "${SHOW_UNTRACKED:-y}"; then
        SHOW_UNTRACKED="true"
    else
        SHOW_UNTRACKED="false"
    fi
}

# Configure custom file associations
configure_custom() {
    print_section "Custom File Associations"
    
    echo "You can define custom icons and colors for file extensions."
    echo "Format: extension=icon:color"
    echo ""
    
    if prompt_yes_no "Add custom file associations?" "n"; then
        echo ""
        echo "Enter custom associations (empty line to finish):"
        echo "Examples:"
        echo "  .cpp=C++:blue"
        echo "  .py=🐍:yellow"
        echo "  .md=📖:blue"
        echo ""
        
        CUSTOM=""
        while true; do
            echo -ne "Extension (or empty to finish): "
            read -r extension
            
            if [ -z "$extension" ]; then
                break
            fi
            
            echo -ne "Icon: "
            read -r icon
            
            prompt_color "Color"
            local color="$PROMPT_RESULT"
            
            CUSTOM="${CUSTOM}
${extension}=${icon}:${color}"
        done
        
        print_info "Custom associations saved"
    fi
}

# Preview configuration
preview_config() {
    print_section "Configuration Preview"
    
    echo "General Settings:"
    echo "  Theme: $THEME"
    echo "  Show hidden: $SHOW_HIDDEN"
    echo "  Long format: $LONG_FORMAT"
    echo "  Human readable: $HUMAN_READABLE"
    echo "  Show icons: $SHOW_ICONS"
    echo "  Sort by: $SORT_BY"
    echo "  Enable git: $ENABLE_GIT"
    echo ""
    
    echo "Colors:"
    echo "  Directories: $DIR_COLOR"
    echo "  Files: $FILE_COLOR"
    echo "  Executables: $EXEC_COLOR"
    echo "  Symlinks: $LINK_COLOR"
    echo ""
}

# Reset to defaults
reset_to_defaults() {
    print_section "Reset to Defaults"
    
    if prompt_yes_no "Reset all settings to defaults?" "n"; then
        print_step "Resetting configuration..."
        
        # Remove config file
        rm -f "$CONFIG_FILE"
        
        # Reset variables
        THEME="dark"
        SHOW_HIDDEN="false"
        SHOW_INODE="false"
        LONG_FORMAT="false"
        RECURSIVE="false"
        HUMAN_READABLE="true"
        DIRS_FIRST="true"
        SHOW_ICONS="true"
        SHOW_COLORS="true"
        SORT_BY="name"
        REVERSE_SORT="false"
        TIME_STYLE="long-iso"
        ENABLE_GIT="true"
        BLOCK_SIZE="1024"
        
        DIR_COLOR="blue"
        FILE_COLOR="white"
        EXEC_COLOR="green"
        LINK_COLOR="cyan"
        SPECIAL_COLOR="yellow"
        
        WIDTH="0"
        QUOTING_STYLE="literal"
        HYPERLINK_MODE="auto"
        INDICATOR_STYLE="none"
        
        SHOW_STATUS="true"
        SHOW_BRANCH="true"
        SHOW_MODIFIED="true"
        SHOW_UNTRACKED="true"
        
        print_success "Configuration reset to defaults"
    fi
}

# Test configuration
test_config() {
    print_section "Test Configuration"
    
    if [ -f "$SCRIPT_DIR/li" ]; then
        print_step "Testing with li binary..."
        echo ""
        
        "$SCRIPT_DIR/li" --config "$CONFIG_FILE" . 2>/dev/null || true
        
        echo ""
        print_info "Preview complete"
    else
        print_warning "li binary not found at $SCRIPT_DIR/li"
        print_info "Skipping preview"
    fi
}

# Print summary
print_summary() {
    echo ""
    echo -e "${GREEN}${BOLD}╔════════════════════════════════════════════════════════════╗${NC}"
    echo -e "${GREEN}${BOLD}║                  Configuration Complete!                   ║${NC}"
    echo -e "${GREEN}${BOLD}╚════════════════════════════════════════════════════════════╝${NC}"
    echo ""
    echo "Configuration saved to: $CONFIG_FILE"
    echo ""
    echo "To apply changes, restart your terminal or run:"
    echo "  source ~/.bashrc  # or ~/.zshrc"
    echo ""
    echo "To test the configuration:"
    echo "  li --config $CONFIG_FILE"
    echo ""
}

# Main function
main() {
    print_header
    
    # Welcome message
    echo -e "${BOLD}Welcome to the li configuration script!${NC}"
    echo ""
    echo "This script will guide you through configuring li's appearance and behavior."
    echo "All settings are saved to: $CONFIG_FILE"
    echo ""
    
    # Initialize or load configuration
    ensure_config_dir
    load_config
    
    # Main menu
    while true; do
        echo ""
        echo -e "${BOLD}Configuration Menu:${NC}"
        echo ""
        echo "  1) General Settings"
        echo "  2) Color Settings"
        echo "  3) Display Settings"
        echo "  4) Git Integration"
        echo "  5) Custom File Associations"
        echo "  6) Preview Configuration"
        echo "  7) Reset to Defaults"
        echo "  8) Save and Exit"
        echo "  9) Exit without Saving"
        echo ""
        
        echo -ne "${YELLOW}Enter choice [1-9]: ${NC}"
        read -r choice
        
        case "$choice" in
            1)
                configure_general
                ;;
            2)
                configure_colors
                ;;
            3)
                configure_display
                ;;
            4)
                configure_git
                ;;
            5)
                configure_custom
                ;;
            6)
                preview_config
                test_config
                ;;
            7)
                reset_to_defaults
                ;;
            8)
                save_config
                print_summary
                exit 0
                ;;
            9)
                echo "Exiting without saving."
                exit 0
                ;;
            *)
                print_error "Invalid choice"
                ;;
        esac
    done
}

# Run main function
main "$@"