package api

import (
	"bytes"
	"encoding/json"
	"log"
	"net/http"
	"strings"
	"testing"
)

// R-1085 over the wire — Scenario C through the PRODUCTION path (the real report handler → ResolveManagedFloor):
// a box is never told to install a withdrawn build, and the hub says why in ONE [WARN] naming the tag, not one per
// report. Red-proof: delete the SpoiledControllerTag block in store.ResolveManagedFloor → the ACK carries 0.316.3.
func TestReportACK_NeverServesAWithdrawnBuild(t *testing.T) {
	h, st, _ := newTestHandler(t)
	var logs bytes.Buffer
	h.logger = log.New(&logs, "", 0)
	ack := func() (interface{}, bool) {
		rr := do(h, http.MethodPost, "/report", globalKey, `{"customer_id":"c"}`)
		if rr.Code != http.StatusOK {
			t.Fatalf("report status = %d", rr.Code)
		}
		var m map[string]interface{}
		_ = json.Unmarshal(rr.Body.Bytes(), &m)
		v, ok := m["min_controller_version"]
		return v, ok
	}

	// A value stored the way an old hub (no form refusal) would have stored it.
	if err := st.SetGlobalMinControllerVersion("0.316.3"); err != nil {
		t.Fatal(err)
	}
	for i := 0; i < 3; i++ {
		if v, ok := ack(); ok {
			t.Fatalf("report %d: the ACK must OMIT a withdrawn floor, got %v", i, v)
		}
	}
	if n := strings.Count(logs.String(), "[WARN] managed floor HELD for c:"); n != 1 {
		t.Errorf("want exactly ONE [WARN] across three reports, got %d:\n%s", n, logs.String())
	}
	if !strings.Contains(logs.String(), "0.316.3") || !strings.Contains(logs.String(), "WITHDRAWN") {
		t.Errorf("the [WARN] must name the tag and say withdrawn:\n%s", logs.String())
	}

	// The control, on the same handler: an ordinary floor is served.
	if err := st.SetGlobalMinControllerVersion("0.317.0"); err != nil {
		t.Fatal(err)
	}
	if v, ok := ack(); !ok || v != "0.317.0" {
		t.Fatalf("an ordinary floor must be served, got %v (present=%v)", v, ok)
	}
}