//go:build integration

package inventory

import (
	"testing"
	"time"
)

func TestAWalksStartIsKeptAndARefusedSaveLeavesItUnsaid(t *testing.T) {
	inv := ForTest(t)
	ctx := t.Context()
	cut := time.Now().UTC().Add(-time.Minute)
	p := Plan{ID: "plan-308", Repository: "novox/mesh-catalog", Commit: "abc", Created: cut, State: PlanBuilding,
		Tiers: [][]string{{"messenger"}}, Modules: map[string]*PlanModule{"messenger": {}},
		Times: &PlanTimes{Cut: &cut, Class: ClassLeaf}}
	var said []string
	was := PlanSaved
	PlanSaved = func(_ *Inventory, p Plan) { said = append(said, p.WalkSaid) }
	t.Cleanup(func() { PlanSaved = was })
	if err := inv.SavePlan(ctx, &p); err != nil {
		t.Fatal(err)
	}
	back, err := inv.PlanByID(ctx, p.ID)
	if err != nil || back.Times == nil || back.Times.Started == nil || back.Times.Class != ClassLeaf {
		t.Fatalf("the start is kept with the walk: %v %+v", err, back.Times)
	}
	// Read back by another controller and saved: not said again.
	back.State = PlanRolling
	if err := inv.SavePlan(ctx, &back); err != nil {
		t.Fatal(err)
	}
	// A stale copy ending it is refused, and unmarked.
	stale := p
	stale.Revision = 1
	stale.State = PlanDone
	if err := inv.SavePlan(ctx, &stale); err == nil {
		t.Fatal("a stale save is refused")
	}
	if stale.WalkSaid != "" || stale.Times.Ended != nil {
		t.Fatalf("a refused save is unmarked: %q %+v", stale.WalkSaid, stale.Times)
	}
	back.State = PlanDone
	if err := inv.SavePlan(ctx, &back); err != nil {
		t.Fatal(err)
	}
	if len(said) != 3 || said[0] != WalkStarted || said[1] != "" || said[2] != WalkEnded {
		t.Fatalf("said: %q, want started, nothing, ended", said)
	}
}