#!/bin/bash

# System Commands Handler
# Handles all system subcommands by calling core functions

# Reclaim Docker disk space — SAFE scope only: build cache + dangling
# (untagged) images. Never prunes volumes (app data) or tagged/in-use images,
# so nothing an app relies on is removed. runFileOp targets the correct daemon
# (rootless: as the install user with DOCKER_HOST set).
reclaimDockerSpace()
{
    isHeader "Reclaiming Docker Space"
    isNotice "Safe scope: build cache + dangling images only (no volumes, no in-use images)."

    local cache_out image_out
    cache_out=$(runFileOp docker builder prune -f 2>&1)
    checkSuccess "Pruned build cache"
    echo "$cache_out" | grep -i "Total:" | sed 's/^/    /'

    image_out=$(runFileOp docker image prune -f 2>&1)
    checkSuccess "Pruned dangling images"
    echo "$image_out" | grep -i "Total reclaimed space" | sed 's/^/    /'

    isSuccessful "Reclaim complete"
}

cliHandleSystemCommands()
{
    local action="$initial_command2"

    case "$action" in
        "status")
            tagsValidateShowSystemStatus
            ;;

        "update")
            checkUpdates
            ;;

        "reset")
            runReinstall
            ;;

        "reclaim")
            reclaimDockerSpace
            ;;

        *)
            isNotice "Invalid system command: $action"
            cliShowSystemHelp
            ;;
    esac
}