package dkr

import (
	"context"
	"encoding/json"
	"os"
	"testing"
	"time"

	"github.com/arescom/docker-migrate/internal/spec"
)

// TestLiveInventory is a smoke test against whatever daemon the environment
// points at. It is skipped unless DOCKER_MIGRATE_LIVE_TEST is set, because it
// needs a real Docker host.
func TestLiveInventory(t *testing.T) {
	if os.Getenv("DOCKER_MIGRATE_LIVE_TEST") == "" {
		t.Skip("set DOCKER_MIGRATE_LIVE_TEST=1 to run against the local daemon")
	}
	c, err := New("")
	if err != nil {
		t.Fatal(err)
	}
	defer c.Close()

	ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
	defer cancel()

	inv, err := c.Inventory(ctx)
	if err != nil {
		t.Fatal(err)
	}
	t.Logf("host=%s docker=%s containers=%d volumes=%d networks=%d warnings=%v",
		inv.Host, inv.DockerVersion, len(inv.Containers), len(inv.Volumes), len(inv.Networks), inv.Warnings)

	for i := range inv.Containers {
		ct := &inv.Containers[i]
		args := ct.CreateArgs(spec.RenderOptions{})
		t.Logf("%s [%s] -> docker %s", ct.Name, ct.State, spec.ShellQuoteAll(args))
		for _, m := range ct.DataMounts() {
			t.Logf("    mount %-8s %-40s restore-into %s", m.Kind, m.Destination, RestorePath(m.Destination))
		}
		for _, w := range ct.Warnings {
			t.Logf("    warn: %s", w)
		}
	}
	b, _ := json.MarshalIndent(inv, "", "  ")
	t.Logf("inventory bytes: %d", len(b))
}