#!/bin/bash

CONFIG_DIR="$HOME/.config/hypr/hyprland/configs"
CURRENT_CONFIG_FILE="$HOME/.config/hypr/hyprland/active.conf"

# List of available configs in order to cycle through
CONFIGS=("powersave" "balanced" "performance")

# Read current config or set default
if [[ -f "$CURRENT_CONFIG_FILE" ]]; then
    CURRENT_CONFIG=$(grep -oP '^#\s*\K\w+' "$CURRENT_CONFIG_FILE" | head -n1)
else
    CURRENT_CONFIG="${CONFIGS[0]}"
fi

# Find current config index
INDEX=0
for i in "${!CONFIGS[@]}"; do
    if [[ "${CONFIGS[$i]}" = "$CURRENT_CONFIG" ]]; then
        INDEX=$i
        break
    fi
done

# Calculate next config index (with wrap-around)
NEXT_INDEX=$(( (INDEX + 1) % ${#CONFIGS[@]} ))
NEXT_CONFIG="${CONFIGS[$NEXT_INDEX]}"

# Update current config file
printf "# ${NEXT_CONFIG}\n" > "$CURRENT_CONFIG_FILE"
printf "# AUTO-GENERATED FILE\n" >> "$CURRENT_CONFIG_FILE"
cat "${CONFIG_DIR}/${NEXT_CONFIG}.conf" >> "$CURRENT_CONFIG_FILE"

if [[ "$NEXT_CONFIG" == "powersave" ]]; then
    sudo auto-cpufreq --force powersave
elif [[ "$NEXT_CONFIG" == "performance" ]]; then
    sudo auto-cpufreq --force performance
elif [[ "$NEXT_CONFIG" == "balanced" ]]; then
    sudo auto-cpufreq --force reset
else
    notify-send -u critical "Unknown config: $NEXT_CONFIG"
fi

# Reload Hyprland
hyprctl reload

# Notification
notify-send -t 3000 "Hyprland Config" "Switched to ${NEXT_CONFIG} config"