package moves

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

	"github.com/carlosframework/platform/internal/release"
)

func TestFloorReadAndCompare(t *testing.T) {
	ctx := context.Background()
	s := release.NewDirStore(t.TempDir())

	f, err := ReadFloor(ctx, s)
	if err != nil || f != nil {
		t.Fatalf("absent floor read as %+v, %v", f, err)
	}

	body, _ := json.Marshal(Floor{Min: ProtocolVersion, MinRelease: "v0.23.0"})
	if _, err := s.Put(ctx, FloorKey, body, ""); err != nil {
		t.Fatal(err)
	}
	f, err = ReadFloor(ctx, s)
	if err != nil || f == nil || f.Min != ProtocolVersion || f.MinRelease != "v0.23.0" {
		t.Fatalf("written floor read as %+v, %v", f, err)
	}

	for _, tc := range []struct {
		version, min string
		want         bool
		wantErr      bool
	}{
		{"v0.23.0", "v0.23.0", true, false},
		{"v0.24.1", "v0.23.0", true, false},
		{"v0.22.9", "v0.23.0", false, false},
		{"v1.0.0", "v0.23.0", true, false},
		{"v0.30.0-rc.1", "v0.23.0", false, true}, // prerelease: fail closed
		{"v0.30.0-rc.1", "v0.1.0", false, true},
		{"", "v0.23.0", false, true},
		{"junk", "v0.23.0", false, true},
		{"v0.24.1", "", false, true}, // malformed floor: fail closed
		{"v0.24.1", "v0.23", false, true},
		{"v0.24.1", "v0.23.0-rc.1", false, true},
	} {
		got, err := ReleaseAtOrAbove(tc.version, tc.min)
		if got != tc.want || (err != nil) != tc.wantErr {
			t.Errorf("ReleaseAtOrAbove(%q, %q) = %v, %v; want %v, err %v", tc.version, tc.min, got, err, tc.want, tc.wantErr)
		}
	}
}

func TestReadFloorGarbageIsAnError(t *testing.T) {
	ctx := context.Background()
	s := release.NewDirStore(t.TempDir())
	if _, err := s.Put(ctx, FloorKey, []byte("not json"), ""); err != nil {
		t.Fatal(err)
	}
	if f, err := ReadFloor(ctx, s); err == nil || f != nil {
		t.Fatalf("garbage floor read as %+v, %v", f, err)
	}
}

// The console record's wire names are what Task 11's T2 check and any
// operator reading the bucket see; the four file names are what the host
// writes and the two system units hard-code (host_test.go pins the units
// against these same constants).
func TestConsoleRecordAndFloorFileNames(t *testing.T) {
	at := time.Date(2026, 10, 7, 12, 0, 0, 0, time.UTC)
	b, err := json.Marshal(ConsoleRecord{V: 1, Protocol: ProtocolVersion, SecretsKeyFP: "fp", At: at})
	if err != nil {
		t.Fatal(err)
	}
	if want := `{"v":1,"protocol":1,"secrets_key_fp":"fp","at":"2026-10-07T12:00:00Z"}`; string(b) != want {
		t.Fatalf("console record = %s, want %s", b, want)
	}
	if ConsoleKey != "control/moves-console.json" {
		t.Fatalf("ConsoleKey = %q", ConsoleKey)
	}
	if FloorFile != ".moves/floor.json" || FloorMinReleaseFile != ".moves/floor.min-release" {
		t.Fatalf("floor files = %q, %q", FloorFile, FloorMinReleaseFile)
	}
	if PrevVersionFile != "carlos.prev.version" || PrevAllowedFile != "carlos.prev.allowed" {
		t.Fatalf("prev files = %q, %q", PrevVersionFile, PrevAllowedFile)
	}
}