package userbadge

import (
	"context"
	"testing"
	"time"

	"chatapp3-golang/internal/common"
	"chatapp3-golang/internal/model"

	"gorm.io/driver/sqlite"
	"gorm.io/gorm"
)

func TestCurrentBadgesSplitLongAndShort(t *testing.T) {
	db := newUserBadgeTestDB(t)
	now := time.Date(2026, 5, 15, 12, 0, 0, 0, time.UTC)
	userID := int64(42)
	if err := db.Create(&model.UserVipState{
		ID:              1,
		SysOrigin:       "LIKEI",
		UserID:          userID,
		Level:           2,
		LevelCode:       "VIP2",
		DisplayName:     "VIP 2",
		Status:          statusActive,
		StartAt:         now.Add(-time.Hour),
		ExpireAt:        now.Add(24 * time.Hour),
		BadgeResourceID: 101,
	}).Error; err != nil {
		t.Fatalf("create vip state: %v", err)
	}
	seedBadgeConfig(t, db, 101, "ACTIVITY", "VIP Badge", "VIP_BADGE", 5)
	seedBadgeConfig(t, db, 102, badgeSourceTypeActivity, "Activity Badge", "ACTIVITY_BADGE", 3)
	seedBadgeConfig(t, db, 103, badgeSourceTypeAchievement, "Achievement Badge", "ACHIEVEMENT_BADGE", 7)
	seedBadgeConfig(t, db, 104, "ADMINISTRATOR", "Admin Badge", "ADMIN_BADGE", 0)
	seedBadgeConfig(t, db, 105, badgeSourceTypeActivity, "Expired Badge", "EXPIRED_BADGE", 0)
	seedBadgeConfig(t, db, 106, badgeSourceTypeActivity, "Unused Badge", "UNUSED_BADGE", 0)
	for _, badgeID := range []int64{101, 102, 103, 104, 105, 106} {
		if err := db.Create(&model.SysBadgePictureConfig{
			ID:            badgeID + 1000,
			BadgeConfigID: badgeID,
			SysOrigin:     "LIKEI",
			SelectURL:     "https://cdn.example.com/" + formatID(badgeID) + ".png",
			NotSelectURL:  "https://cdn.example.com/" + formatID(badgeID) + "-off.png",
		}).Error; err != nil {
			t.Fatalf("create picture %d: %v", badgeID, err)
		}
	}
	backpacks := []model.UserBadgeBackpack{
		{ID: 2001, UserID: userID, BadgeID: 101, ExpireType: "TEMPORARY", ExpireTime: now.Add(24 * time.Hour), UseProps: true, UpdateTime: now.Add(5 * time.Minute)},
		{ID: 2002, UserID: userID, BadgeID: 102, ExpireType: "TEMPORARY", ExpireTime: now.Add(2 * time.Hour), UseProps: true, UpdateTime: now.Add(4 * time.Minute)},
		{ID: 2003, UserID: userID, BadgeID: 103, ExpireType: expireTypePermanent, ExpireTime: now.Add(-24 * time.Hour), UseProps: true, UpdateTime: now.Add(3 * time.Minute)},
		{ID: 2004, UserID: userID, BadgeID: 104, ExpireType: "TEMPORARY", ExpireTime: now.Add(2 * time.Hour), UseProps: true, UpdateTime: now.Add(2 * time.Minute)},
		{ID: 2005, UserID: userID, BadgeID: 105, ExpireType: "TEMPORARY", ExpireTime: now.Add(-time.Minute), UseProps: true, UpdateTime: now.Add(time.Minute)},
		{ID: 2006, UserID: userID, BadgeID: 106, ExpireType: "TEMPORARY", ExpireTime: now.Add(2 * time.Hour), UseProps: false, UpdateTime: now},
	}
	if err := db.Create(&backpacks).Error; err != nil {
		t.Fatalf("create backpacks: %v", err)
	}

	service := NewService(db)
	service.now = func() time.Time { return now }
	resp, err := service.Current(context.Background(), common.AuthUser{UserID: userID, SysOrigin: "likei"})
	if err != nil {
		t.Fatalf("Current() error = %v", err)
	}
	if resp.SysOrigin != "LIKEI" {
		t.Fatalf("SysOrigin = %q, want LIKEI", resp.SysOrigin)
	}
	if len(resp.LongBadges) != 1 {
		t.Fatalf("long badges len = %d, want 1: %#v", len(resp.LongBadges), resp.LongBadges)
	}
	if len(resp.ShortBadges) != 2 {
		t.Fatalf("short badges len = %d, want 2: %#v", len(resp.ShortBadges), resp.ShortBadges)
	}
	if len(resp.Badges) != 3 {
		t.Fatalf("badges len = %d, want 3", len(resp.Badges))
	}
	long := resp.LongBadges[0]
	if long.Type != badgeDisplayTypeLong || long.SourceType != badgeSourceTypeVIP || long.BadgeID != "101" || long.LevelCode != "VIP2" {
		t.Fatalf("long badge = %#v", long)
	}
	if long.Name != "VIP Badge" || long.URL != "https://cdn.example.com/101.png" {
		t.Fatalf("long badge name/url = %q/%q", long.Name, long.URL)
	}
	if resp.ShortBadges[0].BadgeID != "102" || resp.ShortBadges[0].SourceType != badgeSourceTypeActivity {
		t.Fatalf("first short badge = %#v", resp.ShortBadges[0])
	}
	if resp.ShortBadges[1].BadgeID != "103" || resp.ShortBadges[1].SourceType != badgeSourceTypeAchievement {
		t.Fatalf("second short badge = %#v", resp.ShortBadges[1])
	}
}

func TestCurrentBadgesRejectsInvalidUser(t *testing.T) {
	service := NewService(newUserBadgeTestDB(t))
	_, err := service.Current(context.Background(), common.AuthUser{SysOrigin: "LIKEI"})
	if err == nil {
		t.Fatalf("Current() error = nil, want invalid user")
	}
	appErr, ok := err.(*AppError)
	if !ok || appErr.Code != "invalid_user" {
		t.Fatalf("error = %#v, want invalid_user", err)
	}
}

func newUserBadgeTestDB(t *testing.T) *gorm.DB {
	t.Helper()
	db, err := gorm.Open(sqlite.Open("file:"+t.Name()+"?mode=memory&cache=shared"), &gorm.Config{})
	if err != nil {
		t.Fatalf("open sqlite: %v", err)
	}
	if err := db.AutoMigrate(
		&model.UserVipState{},
		&model.UserBadgeBackpack{},
		&model.SysBadgeConfig{},
		&model.SysBadgePictureConfig{},
	); err != nil {
		t.Fatalf("migrate sqlite: %v", err)
	}
	return db
}

func seedBadgeConfig(t *testing.T, db *gorm.DB, id int64, sourceType string, name string, key string, level int) {
	t.Helper()
	if err := db.Create(&model.SysBadgeConfig{
		ID:         id,
		Type:       sourceType,
		BadgeName:  name,
		BadgeKey:   key,
		BadgeLevel: level,
		Milestone:  id * 10,
		Del:        false,
	}).Error; err != nil {
		t.Fatalf("create badge config %d: %v", id, err)
	}
}