#!/usr/bin/env python3
import subprocess
import json
import sys
from pathlib import Path

def get_current_profile():
    """Get the current power profile"""
    try:
        result = subprocess.run(
            ["powerprofilesctl", "get"],
            capture_output=True,
            text=True,
            timeout=5
        )
        if result.returncode == 0:
            return result.stdout.strip()
    except Exception as e:
        print(f"Error getting profile: {e}", file=sys.stderr)
    return "unknown"

def get_available_profiles():
    """Get list of available power profiles"""
    try:
        result = subprocess.run(
            ["powerprofilesctl", "list"],
            capture_output=True,
            text=True,
            timeout=5
        )
        if result.returncode == 0:
            profiles = []
            for line in result.stdout.split('\n'):
                line = line.strip()
                if line and ':' in line and not line.startswith('Cpu') and not line.startswith('Platform') and not line.startswith('Degraded'):
                    profile_name = line.split(':')[0].strip()
                    if profile_name and not profile_name.startswith('*'):
                        profiles.append(profile_name)
                    elif profile_name.startswith('*'):
                        profiles.append(profile_name[1:].strip())
            return profiles
    except Exception as e:
        print(f"Error getting profiles: {e}", file=sys.stderr)
    return []

def set_profile(profile):
    """Set the power profile"""
    try:
        subprocess.run(
            ["powerprofilesctl", "set", profile],
            capture_output=True,
            timeout=5
        )
    except Exception as e:
        print(f"Error setting profile: {e}", file=sys.stderr)

def write_menu_file(menu_path, profiles, current):
    """Write a GTK menu XML file for Waybar."""
    items = []
    if not profiles:
        items.append(
            "    <child>\n"
            "      <object class=\"GtkMenuItem\" id=\"none\">\n"
            "        <property name=\"label\">No profiles</property>\n"
            "        <property name=\"sensitive\">false</property>\n"
            "      </object>\n"
            "    </child>\n"
        )
    else:
        for profile in profiles:
            label = profile
            if profile == current:
                label = f"{profile} (current)"
            items.append(
                "    <child>\n"
                f"      <object class=\"GtkMenuItem\" id=\"{profile}\">\n"
                f"        <property name=\"label\">{label}</property>\n"
                "      </object>\n"
                "    </child>\n"
            )

    content = (
        "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
        "<interface>\n"
        "  <object class=\"GtkMenu\" id=\"menu\">\n"
        + "".join(items) +
        "  </object>\n"
        "</interface>\n"
    )
    try:
        menu_path.parent.mkdir(parents=True, exist_ok=True)
        menu_path.write_text(content)
    except Exception as e:
        print(f"Error writing menu file: {e}", file=sys.stderr)

def format_output(profile):
    """Format output for waybar"""
    # Icons for each profile
    icons = {
        "performance": "⚡",
        "balanced": "⚖",
        "power-saver": "🔋"
    }
    
    icon = icons.get(profile, "⚡")
    
    output = {
        "text": f"{icon}",
        "alt": profile,
        "class": f"power-profile-{profile}",
        "tooltip": f"Current: {profile}"
    }
    
    return json.dumps(output)

def main():
    menu_path = Path("~/.config/waybar/modules/power_profiles_menu.xml").expanduser()

    if len(sys.argv) > 2 and sys.argv[1] == "--set":
        target = sys.argv[2]
        set_profile(target)
        current = get_current_profile()
        available = get_available_profiles()
        write_menu_file(menu_path, available, current)
        print(format_output(current))
        return

    if len(sys.argv) > 1 and sys.argv[1] == "--next":
        # Cycle to next profile
        current = get_current_profile()
        available = get_available_profiles()
        write_menu_file(menu_path, available, current)

        if current in available and available:
            idx = available.index(current)
            next_profile = available[(idx + 1) % len(available)]
            set_profile(next_profile)
            print(format_output(next_profile))
        else:
            print(format_output(current))
        return

    # Just display current profile
    current = get_current_profile()
    available = get_available_profiles()
    write_menu_file(menu_path, available, current)
    print(format_output(current))

if __name__ == "__main__":
    main()