package service

import (
	"testing"
	"time"

	"github.com/freefire/jiang13-bbs/model"
)

func TestSummarizePageviews(t *testing.T) {
	day := time.Date(2026, 9, 24, 0, 0, 0, 0, time.Local)
	at := func(hour int) time.Time { return day.Add(time.Duration(hour) * time.Hour) }

	events := []model.VisitEvent{
		{Kind: model.VisitKindPageview, CreatedAt: at(9), UserID: 1, VidHash: "aaa"},
		{Kind: model.VisitKindPageview, CreatedAt: at(9), VidHash: "aaa"}, // 同 vid 同日：去重
		{Kind: model.VisitKindPageview, CreatedAt: at(10), VidHash: "bbb"},
		{Kind: model.VisitKindBot, CreatedAt: at(9), VidHash: "aaa"},   // bot 不计
		{Kind: model.VisitKindProbe, CreatedAt: at(9), VidHash: "bbb"}, // probe 不计
	}
	out := summarizePageviews(events)
	d, ok := out[day]
	if !ok {
		t.Fatal("缺少当日聚合")
	}
	if d.PV != 3 {
		t.Errorf("PV = %d, want 3", d.PV)
	}
	if d.LoggedInPV != 1 {
		t.Errorf("LoggedInPV = %d, want 1", d.LoggedInPV)
	}
	if len(d.VidHashes) != 2 {
		t.Errorf("UV 候选 = %d, want 2", len(d.VidHashes))
	}
}

func TestHashVisitorID(t *testing.T) {
	a := HashVisitorID("  ABcd1234-0000-0000-0000-000000000000 ")
	b := HashVisitorID("abcd1234-0000-0000-0000-000000000000")
	if a != b {
		t.Error("大小写/空白应归一后哈希一致")
	}
	if len(a) != 64 {
		t.Errorf("哈希长度 = %d, want 64", len(a))
	}
}