package apply

import (
	"context"
	"strings"
	"testing"

	"github.com/novox/mesh-host/internal/declaration"
	"github.com/novox/mesh-host/internal/store"
)

// A container declared to log to the journal is run with the journal as its log driver, and the
// place it logs is part of its spec, so moving it recreates the container (novox/hq ADR 0179).
func TestAContainerLoggingToTheJournalIsRunThatWayAndRecreatedWhenMoved(t *testing.T) {
	pinned := "postgres@sha256:" + strings.Repeat("a", 64)
	var ran []string
	run := func(_ context.Context, cmd string, args ...string) (string, error) {
		if cmd == "docker" && len(args) > 0 && args[0] == "run" {
			ran = args
			return "deadbeef\n", nil
		}
		return "", nil
	}
	d := parseTrusted(t, `{"declaration":1,"resources":[
	  {"id":"front","type":"container","name":"front","image":"`+pinned+`","logging":"journald"}
	]}`)
	_, _, _ = Apply(context.Background(), archHost(t), d, store.State{}, store.OriginCarried, run, nil, nil)
	sent := false
	for i, a := range ran {
		if a == "--log-driver" && i+1 < len(ran) && ran[i+1] == "journald" {
			sent = true
		}
	}
	if !sent {
		t.Fatalf("the container's output was not sent to the journal: %v", ran)
	}
	with := d.Resources[0].(*declaration.Container)
	without := *with
	without.Logging = ""
	if containerSpec(with, inputs{}) == containerSpec(&without, inputs{}) {
		t.Fatal("where a container logs is not part of its spec, so moving it would not recreate it")
	}
}