package server

import (
	"testing"
	"time"

	"chat-agent-system/internal/notification"
)

func TestInboxSeverityRank(t *testing.T) {
	if inboxSeverityRank("proposal_required") != 0 {
		t.Fatalf("proposal_required should rank first")
	}
	if inboxSeverityRank("stage_ready_to_advance") != 1 {
		t.Fatalf("stage ready should be info rank")
	}
}

func TestUserNotificationViewFromCopiesCoreFields(t *testing.T) {
	n := notification.Notification{
		ID: 9, UserID: 2, ProjectID: 3, Type: "stage_ready_to_advance",
		Title: "t", Body: "b", Status: "unread", CreatedAt: time.Unix(1, 0).UTC(),
	}
	v := userNotificationViewFrom(n)
	if v.ID != 9 || v.ProjectID != 3 || v.Title != "t" {
		t.Fatalf("unexpected view: %+v", v)
	}
}

func TestFanOutSortPrefersActionTypes(t *testing.T) {
	raw := []notification.Notification{
		{ID: 1, Type: "stage_ready_to_advance"},
		{ID: 2, Type: "proposal_required"},
		{ID: 3, Type: "stage_ready_to_advance"},
	}
	// mimic fanOut sort
	si := func(i, j int) bool {
		a, b := inboxSeverityRank(raw[i].Type), inboxSeverityRank(raw[j].Type)
		if a != b {
			return a < b
		}
		return raw[i].ID > raw[j].ID
	}
	// bubble
	for i := 0; i < len(raw); i++ {
		for j := i + 1; j < len(raw); j++ {
			if si(j, i) {
				raw[i], raw[j] = raw[j], raw[i]
			}
		}
	}
	if raw[0].Type != "proposal_required" {
		t.Fatalf("expected proposal first, got %+v", raw)
	}
}