# ============================================================================
# Shared Color Definitions for Dotfiles
# ============================================================================
# Source this file in scripts and functions to get consistent color support.
#
# Usage in zsh functions:
#   source "${0:A:h}/../lib/colors.zsh" 2>/dev/null || source "$HOME/.dotfiles/zsh/lib/colors.zsh"
#
# Usage in bash scripts:
#   source "$HOME/.dotfiles/zsh/lib/colors.zsh"
#
# All variables are prefixed with DF_ (dotfiles) to avoid conflicts.
# ============================================================================

# Prevent double-sourcing
[[ -n "$_DF_COLORS_LOADED" ]] && return 0
typeset -g _DF_COLORS_LOADED=1

# ============================================================================
# Standard Colors (ANSI escape codes)
# ============================================================================

typeset -g DF_RED=$'\033[0;31m'
typeset -g DF_GREEN=$'\033[0;32m'
typeset -g DF_YELLOW=$'\033[1;33m'
typeset -g DF_BLUE=$'\033[0;34m'
typeset -g DF_MAGENTA=$'\033[0;35m'
typeset -g DF_CYAN=$'\033[0;36m'
typeset -g DF_WHITE=$'\033[0;37m'

# Bold variants
typeset -g DF_BOLD_RED=$'\033[1;31m'
typeset -g DF_BOLD_GREEN=$'\033[1;32m'
typeset -g DF_BOLD_YELLOW=$'\033[1;33m'
typeset -g DF_BOLD_BLUE=$'\033[1;34m'
typeset -g DF_BOLD_MAGENTA=$'\033[1;35m'
typeset -g DF_BOLD_CYAN=$'\033[1;36m'
typeset -g DF_BOLD_WHITE=$'\033[1;37m'

# Text styles
typeset -g DF_BOLD=$'\033[1m'
typeset -g DF_DIM=$'\033[2m'
typeset -g DF_ITALIC=$'\033[3m'
typeset -g DF_UNDERLINE=$'\033[4m'
typeset -g DF_RESET=$'\033[0m'
typeset -g DF_NC=$'\033[0m'  # Alias for reset (No Color)

# ============================================================================
# 256-Color Palette (used in theme and MOTD)
# ============================================================================

typeset -g DF_GREY=$'\033[38;5;242m'
typeset -g DF_LIGHT_GREY=$'\033[38;5;248m'
typeset -g DF_DARK_GREY=$'\033[38;5;239m'
typeset -g DF_ORANGE=$'\033[38;5;208m'
typeset -g DF_LIGHT_ORANGE=$'\033[38;5;220m'
typeset -g DF_PINK=$'\033[38;5;213m'
typeset -g DF_PURPLE=$'\033[38;5;141m'
typeset -g DF_LIGHT_BLUE=$'\033[38;5;39m'
typeset -g DF_LIGHT_GREEN=$'\033[38;5;82m'
typeset -g DF_BRIGHT_GREEN=$'\033[38;5;118m'
typeset -g DF_TEAL=$'\033[38;5;51m'

# ============================================================================
# Semantic Colors (for consistent UI)
# ============================================================================

typeset -g DF_SUCCESS="$DF_GREEN"
typeset -g DF_ERROR="$DF_RED"
typeset -g DF_WARNING="$DF_YELLOW"
typeset -g DF_INFO="$DF_CYAN"
typeset -g DF_HINT="$DF_DIM"
typeset -g DF_ACCENT="$DF_BLUE"
typeset -g DF_MUTED="$DF_GREY"

# ============================================================================
# Common Print Functions
# ============================================================================

# Print a step/section header
df_print_step() {
    echo -e "${DF_GREEN}==>${DF_NC} $1"
}

# Print success message
df_print_success() {
    echo -e "${DF_GREEN}✓${DF_NC} $1"
}

# Print error message (to stderr)
df_print_error() {
    echo -e "${DF_RED}✗${DF_NC} $1" >&2
}

# Print warning message
df_print_warning() {
    echo -e "${DF_YELLOW}⚠${DF_NC} $1"
}

# Print info message
df_print_info() {
    echo -e "${DF_CYAN}ℹ${DF_NC} $1"
}

# Print a section divider
df_print_section() {
    echo ""
    echo -e "${DF_BLUE}▶${DF_NC} $1"
    echo -e "${DF_CYAN}─────────────────────────────────────────────────────────────${DF_NC}"
}

# ============================================================================
# MOTD-Style Header Function
# ============================================================================

# Prints a standardized header box for scripts
# Usage: df_print_header "script-name"
df_print_header() {
    local script_name="${1:-script}"
    local user="${USER:-root}"
    local hostname="${HOST:-${HOSTNAME:-$(hostname -s 2>/dev/null)}}"
    local datetime=$(date '+%a %b %d %H:%M')
    local width=66

    # Build horizontal line
    local hline=""
    for ((i=0; i<width; i++)); do hline+="═"; done
    local inner=$((width - 2))

    # Header content
    local h_left="✦ ${user}@${hostname}"
    local h_center="${script_name}"
    local h_right="${datetime}"
    local h_pad=$(((inner - ${#h_left} - ${#h_center} - ${#h_right}) / 2))
    local h_spaces=""
    for ((i=0; i<h_pad; i++)); do h_spaces+=" "; done

    echo ""
    echo -e "${DF_GREY}╒${hline}╕${DF_NC}"
    echo -e "${DF_GREY}│${DF_NC} ${DF_BOLD}${DF_LIGHT_BLUE}${h_left}${DF_NC}${h_spaces}${DF_LIGHT_GREEN}${h_center}${h_spaces}${DF_NC}${DF_BOLD}${h_right}${DF_NC} ${DF_GREY}│${DF_NC}"
    echo -e "${DF_GREY}╘${hline}╛${DF_NC}"
    echo ""
}

df_print_func_header() {

    local func_header_name="${1}"
    local datetime=$(date '+%a %b %d %H:%M')
    local width=66

    # Build horizontal line
    local hline=""
    for ((i=0; i<width; i++)); do hline+="═"; done
    local inner=$((width - 2))

    # Header content
    local h_left="✦ ${func_header_name}"
    local h_right="${datetime}"
    local h_pad=$(((inner - ${#h_left} - ${#h_right}) / 2))
    local h_spaces=""
    for ((i=0; i<h_pad; i++)); do h_spaces+=" "; done

    echo ""
    echo -e "${DF_GREY}╒${hline}╕${DF_NC}"
    echo -e "${DF_GREY}│${DF_NC} ${DF_BOLD}${DF_LIGHT_BLUE}${h_lef}${h_spaces}${DF_NC}${DF_BOLD}${h_right}${DF_NC} ${DF_GREY}│${DF_NC}"
    echo -e "${DF_GREY}╘${hline}╛${DF_NC}"
    echo ""
}

# ============================================================================
# Bash Compatibility
# ============================================================================

# For bash scripts, export as regular variables too
if [[ -n "$BASH_VERSION" ]]; then
    export DF_RED DF_GREEN DF_YELLOW DF_BLUE DF_MAGENTA DF_CYAN DF_WHITE
    export DF_BOLD DF_DIM DF_RESET DF_NC
    export DF_GREY DF_LIGHT_BLUE DF_LIGHT_GREEN
    export DF_SUCCESS DF_ERROR DF_WARNING DF_INFO
fi