package inventory

import (
	"testing"
	"time"
)

// A plan is a record the mesh keeps and resumes (novox/hq ADR 0162): written whole, read back open,
// advanced, and gone from the open ones when done.
func TestAPlanIsKeptAdvancedAndResumedFromTheStore(t *testing.T) {
	inv := ForTest(t)
	ctx := t.Context()
	p := Plan{ID: "plan-1", Repository: "novox/mesh-tools", Commit: "abc", Created: time.Now().UTC(),
		State: PlanBuilding, Tiers: [][]string{{"mesh-tools"}, {"builder"}, {"shop"}},
		Modules: map[string]*PlanModule{"mesh-tools": {}, "builder": {}, "shop": {}}}
	if err := inv.SavePlan(ctx, p); err != nil {
		t.Fatal(err)
	}
	open, err := inv.OpenPlans(ctx)
	if err != nil || len(open) != 1 || open[0].ID != "plan-1" || len(open[0].Tiers) != 3 {
		t.Fatalf("the plan was not kept whole: %v %+v", err, open)
	}
	// Another controller picks it up where it was left: a tier advanced and a module built.
	now := time.Now().UTC()
	resumed := open[0]
	resumed.Tier = 1
	resumed.Modules["mesh-tools"].State = "built"
	resumed.Modules["mesh-tools"].BuiltAt = &now
	resumed.State = PlanRolling
	resumed.Note = "tier 0 built; waiting for builder on anchor to be applied"
	if err := inv.SavePlan(ctx, resumed); err != nil {
		t.Fatal(err)
	}
	again, err := inv.PlanByID(ctx, "plan-1")
	if err != nil || again.Tier != 1 || again.Modules["mesh-tools"].State != "built" || again.State != PlanRolling {
		t.Fatalf("the advanced plan did not come back as left: %v %+v", err, again)
	}
	again.State = PlanDone
	if err := inv.SavePlan(ctx, again); err != nil {
		t.Fatal(err)
	}
	if open, _ = inv.OpenPlans(ctx); len(open) != 0 {
		t.Fatalf("a done plan is not open: %+v", open)
	}
	if recent, _ := inv.RecentPlans(ctx, 5); len(recent) != 1 || recent[0].State != PlanDone {
		t.Fatalf("a done plan is still among the recent ones: %+v", recent)
	}
}