#!/bin/bash
# maravento.com
#
################################################################################
#
# copy-path.sh - Universal script to copy file/folder paths to clipboard
# Compatible with: Nautilus, Caja, Nemo, Thunar, Dolphin, PCManFM
#
################################################################################

set -uo pipefail

# check no-root
if [ "$(id -u)" == "0" ]; then
    echo "[ERROR] This script should not be run as root."
    exit 1
fi

echo "Copy Path Starting. Wait..."

# --- Dependency checker ---
check_dependencies() {
    local missing=()
    local clip_tools=0
    local notify_tools=0

    command -v python3 &>/dev/null || missing+=("python3")

    # Check clipboard tools (at least one required)
    command -v xclip &>/dev/null && clip_tools=1
    command -v xsel &>/dev/null && clip_tools=1
    command -v wl-copy &>/dev/null && clip_tools=1

    if [[ $clip_tools -eq 0 ]]; then
        missing+=("clipboard tool (xclip, xsel, or wl-clipboard)")
    fi

    # Check notification tools (at least one required)
    command -v zenity &>/dev/null && notify_tools=1
    command -v notify-send &>/dev/null && notify_tools=1

    if [[ $notify_tools -eq 0 ]]; then
        missing+=("notification tool (zenity or libnotify/notify-send)")
    fi

    # If dependencies are missing, show error and exit
    if [[ ${#missing[@]} -gt 0 ]]; then
        local msg="Missing required dependencies:\n\n"
        for dep in "${missing[@]}"; do
            msg+="* $dep\n"
        done
        msg+="\nInstall with:\n"

        command -v python3 &>/dev/null || msg+="sudo apt install python3\n"
        if [[ $clip_tools -eq 0 ]]; then
            msg+="sudo apt install xclip\n"
        fi
        if [[ $notify_tools -eq 0 ]]; then
            msg+="sudo apt install zenity\n"
        fi

        # Try to show error with any available method
        if command -v zenity &>/dev/null; then
            echo -e "$msg" | zenity --text-info --title="Copy Path - Missing Dependencies" --width=500 --height=300
        elif command -v notify-send &>/dev/null; then
            notify-send "Copy Path Error" "Missing dependencies. Check terminal." -u critical
            echo -e "$msg"
        else
            echo -e "$msg" >&2
        fi
        exit 1
    fi
}

# Run dependency check
check_dependencies

# --- Select clipboard tool ---
if command -v xclip &>/dev/null; then
    CLIP_CMD="xclip -selection clipboard"
elif command -v xsel &>/dev/null; then
    CLIP_CMD="xsel --clipboard"
elif command -v wl-copy &>/dev/null; then
    CLIP_CMD="wl-copy"
fi

# --- Detect file manager and get selected paths ---
PATHS=""

# Try different file manager environment variables
if [[ -n "${CAJA_SCRIPT_SELECTED_FILE_PATHS:-}" ]]; then
    # Caja (MATE)
    PATHS="$CAJA_SCRIPT_SELECTED_FILE_PATHS"
elif [[ -n "${NAUTILUS_SCRIPT_SELECTED_FILE_PATHS:-}" ]]; then
    # Nautilus (GNOME)
    PATHS="$NAUTILUS_SCRIPT_SELECTED_FILE_PATHS"
elif [[ -n "${NEMO_SCRIPT_SELECTED_FILE_PATHS:-}" ]]; then
    # Nemo (Cinnamon)
    PATHS="$NEMO_SCRIPT_SELECTED_FILE_PATHS"
elif [[ -n "${THUNAR_SCRIPT_SELECTED_FILE_PATHS:-}" ]]; then
    # Thunar (XFCE) - not standard, but some configs use it
    PATHS="$THUNAR_SCRIPT_SELECTED_FILE_PATHS"
elif [[ $# -gt 0 ]]; then
    # Fallback: paths passed as arguments (Dolphin, PCManFM, others)
    PATHS="$*"
else
    # No files selected
    if command -v zenity &>/dev/null; then
        zenity --error --text="No files selected.\n\nPlease select a file or folder and try again." --width=350 --title="Copy Path"
    elif command -v notify-send &>/dev/null; then
        notify-send "Copy Path Error" "No files selected" -u normal
    fi
    exit 1
fi

# Clean up paths (remove file:// prefix and decode URIs)
PATHS=$(echo "$PATHS" | sed 's|file://||g' | python3 -c "
import sys, urllib.parse
print(urllib.parse.unquote(sys.stdin.read()), end='')
")

# Remove any trailing newlines or whitespace
PATHS=$(echo "$PATHS" | sed 's/[[:space:]]*$//')

# Validate that we have actual paths
if [[ -z "$PATHS" ]]; then
    if command -v zenity &>/dev/null; then
        zenity --error --text="Could not retrieve file path.\n\nFile manager may not be supported." --width=350 --title="Copy Path"
    elif command -v notify-send &>/dev/null; then
        notify-send "Copy Path Error" "Could not retrieve file path" -u normal
    fi
    exit 1
fi

# Copy to clipboard
echo -n "$PATHS" | $CLIP_CMD

# Show success notification
if command -v zenity &>/dev/null; then
    # Truncate long paths for display
    DISPLAY_PATHS="$PATHS"
    if [[ ${#DISPLAY_PATHS} -gt 200 ]]; then
        DISPLAY_PATHS="${DISPLAY_PATHS:0:200}..."
    fi
    zenity --info --text="Path(s) copied to clipboard:\n\n$DISPLAY_PATHS" --timeout=2 --width=400 --title="Copy Path" 2>/dev/null || true
elif command -v notify-send &>/dev/null; then
    notify-send "Copy Path" "Path(s) copied to clipboard" -t 2000
fi

exit 0