package test

import (
	"testing"
	"time"
)

func TestActivityRecentPageSize(t *testing.T) {
	const homeCardQuery = "/v1/activity?size=5"

	t.Run("The query the Home card sends returns the first five rows", func(t *testing.T) {
		e := newActivityHTTPEnv(t, 1000)
		var newest []uint64
		for minute := 1; minute <= 8; minute++ {
			event := e.seedBy(t, userActor(activityOwnerID, "Marta Alves"), time.Duration(minute)*time.Minute)
			if minute <= 5 {
				newest = append(newest, event.ID)
			}
		}

		list := decodeActivityList(t, e.get(homeCardQuery, asUser(e, activityOwnerID)))

		if list.Size != 5 || list.Page != 1 || list.Total != 8 || len(list.Items) != 5 {
			t.Fatalf("unexpected page %d/%d total %d with %d items", list.Page, list.Size, list.Total, len(list.Items))
		}
		if !sameIDs(list.ids(), newest) {
			t.Errorf("expected %v, got %v", newest, list.ids())
		}
	})

	t.Run("A non-owner at size 5 only gets their own events", func(t *testing.T) {
		e := newActivityHTTPEnv(t, 1000)
		var own []uint64
		for minute := 1; minute <= 7; minute++ {
			event := e.seedBy(t, userActor(activityEditorID, "ed"), time.Duration(minute)*time.Minute)
			if minute <= 5 {
				own = append(own, event.ID)
			}
		}
		for minute := 1; minute <= 3; minute++ {
			e.seedBy(t, userActor(activityOwnerID, "Marta Alves"), time.Duration(minute)*time.Second)
		}

		list := decodeActivityList(t, e.get(homeCardQuery, asUser(e, activityEditorID)))

		if list.Size != 5 || list.Total != 7 || !sameIDs(list.ids(), own) {
			t.Errorf("expected own %v of 7, got %v of %d (size %d)", own, list.ids(), list.Total, list.Size)
		}
	})

	t.Run("Sizes other than 5, 25, 50 and 100 stay refused", func(t *testing.T) {
		for _, size := range []string{"4", "6", "10", "200"} {
			e := newActivityHTTPEnv(t, 1000)
			assertPlain(t, e.get("/v1/activity?size="+size, asUser(e, activityOwnerID)), 400, activityMismatch)
		}
	})
}