#!/bin/bash
# run_once_30-install-power-mgmt.sh
# Laptop-only: power management stack. Skipped on desktop/server.

set -euo pipefail

SYS="$(chezmoi data --format=json 2>/dev/null | jq -r '.system // "desktop"')"
DISTRO_ID="$(chezmoi data --format=json 2>/dev/null | jq -r '.chezmoi.osRelease.id // empty')"

if [ "$SYS" != "laptop" ]; then
    echo ">>> [power-mgmt] system=$SYS, skipping (not a laptop)"
    exit 0
fi

case "$DISTRO_ID" in
    arch)
        echo ">>> [power-mgmt] arch"
        sudo pacman -Syu --noconfirm --needed tlp auto-cpufreq power-profiles-daemon
        sudo systemctl enable tlp
        sudo systemctl enable auto-cpufreq
        sudo systemctl enable power-profiles-daemon
        ;;

    ubuntu)
        echo ">>> [power-mgmt] ubuntu"

        sudo apt-get install -y tlp tlp-rdw power-profiles-daemon
        sudo systemctl enable tlp
        # tlp and power-profiles-daemon conflict on most hardware — mask the latter
        sudo systemctl mask power-profiles-daemon || true
        ;;

    *)
        echo ">>> [power-mgmt] unsupported distro: ${DISTRO_ID:-unknown}, skipping"
        exit 0
        ;;
esac

echo ">>> [power-mgmt] done"