package user_test

import (
	"net/netip"
	"testing"
	"time"

	"github.com/stretchr/testify/require"
	"heckel.io/ntfy/v2/user"
)

func testStoreAddUser(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)
	require.Equal(t, "phil", u.Name)
	require.Equal(t, user.RoleUser, u.Role)
	require.False(t, u.Provisioned)
	require.NotEmpty(t, u.ID)
	require.NotEmpty(t, u.SyncTopic)
}

func testStoreAddUserAlreadyExists(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Equal(t, user.ErrUserExists, store.AddUser("phil", "philhash", user.RoleUser, false))
}

func testStoreRemoveUser(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)
	require.Equal(t, "phil", u.Name)

	require.Nil(t, store.RemoveUser("phil"))
	_, err = store.User("phil")
	require.Equal(t, user.ErrUserNotFound, err)
}

func testStoreUserByID(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleAdmin, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	u2, err := store.UserByID(u.ID)
	require.Nil(t, err)
	require.Equal(t, u.Name, u2.Name)
	require.Equal(t, u.ID, u2.ID)
}

func testStoreUserByToken(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	tk, err := store.CreateToken(u.ID, "tk_test123", "test token", time.Now(), netip.MustParseAddr("1.2.3.4"), time.Now().Add(24*time.Hour), false)
	require.Nil(t, err)
	require.Equal(t, "tk_test123", tk.Value)

	u2, err := store.UserByToken(tk.Value)
	require.Nil(t, err)
	require.Equal(t, "phil", u2.Name)
}

func testStoreUserByStripeCustomer(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.ChangeBilling("phil", &user.Billing{
		StripeCustomerID:     "cus_test123",
		StripeSubscriptionID: "sub_test123",
	}))

	u, err := store.UserByStripeCustomer("cus_test123")
	require.Nil(t, err)
	require.Equal(t, "phil", u.Name)
	require.Equal(t, "cus_test123", u.Billing.StripeCustomerID)
}

func testStoreUsers(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AddUser("ben", "benhash", user.RoleAdmin, false))

	users, err := store.Users()
	require.Nil(t, err)
	require.True(t, len(users) >= 3) // phil, ben, and the everyone user
}

func testStoreUsersCount(t *testing.T, store user.Store) {
	count, err := store.UsersCount()
	require.Nil(t, err)
	require.True(t, count >= 1) // At least the everyone user

	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	count2, err := store.UsersCount()
	require.Nil(t, err)
	require.Equal(t, count+1, count2)
}

func testStoreChangePassword(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)
	require.Equal(t, "philhash", u.Hash)

	require.Nil(t, store.ChangePassword("phil", "newhash"))
	u, err = store.User("phil")
	require.Nil(t, err)
	require.Equal(t, "newhash", u.Hash)
}

func testStoreChangeRole(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)
	require.Equal(t, user.RoleUser, u.Role)

	require.Nil(t, store.ChangeRole("phil", user.RoleAdmin))
	u, err = store.User("phil")
	require.Nil(t, err)
	require.Equal(t, user.RoleAdmin, u.Role)
}

func testStoreTokens(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	now := time.Now()
	expires := now.Add(24 * time.Hour)
	origin := netip.MustParseAddr("9.9.9.9")

	tk, err := store.CreateToken(u.ID, "tk_abc", "my token", now, origin, expires, false)
	require.Nil(t, err)
	require.Equal(t, "tk_abc", tk.Value)
	require.Equal(t, "my token", tk.Label)

	// Get single token
	tk2, err := store.Token(u.ID, "tk_abc")
	require.Nil(t, err)
	require.Equal(t, "tk_abc", tk2.Value)
	require.Equal(t, "my token", tk2.Label)

	// Get all tokens
	tokens, err := store.Tokens(u.ID)
	require.Nil(t, err)
	require.Len(t, tokens, 1)
	require.Equal(t, "tk_abc", tokens[0].Value)

	// Token count
	count, err := store.TokenCount(u.ID)
	require.Nil(t, err)
	require.Equal(t, 1, count)
}

func testStoreTokenChangeLabel(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	_, err = store.CreateToken(u.ID, "tk_abc", "old label", time.Now(), netip.MustParseAddr("1.2.3.4"), time.Now().Add(time.Hour), false)
	require.Nil(t, err)

	require.Nil(t, store.ChangeTokenLabel(u.ID, "tk_abc", "new label"))
	tk, err := store.Token(u.ID, "tk_abc")
	require.Nil(t, err)
	require.Equal(t, "new label", tk.Label)
}

func testStoreTokenRemove(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	_, err = store.CreateToken(u.ID, "tk_abc", "label", time.Now(), netip.MustParseAddr("1.2.3.4"), time.Now().Add(time.Hour), false)
	require.Nil(t, err)

	require.Nil(t, store.RemoveToken(u.ID, "tk_abc"))
	_, err = store.Token(u.ID, "tk_abc")
	require.Equal(t, user.ErrTokenNotFound, err)
}

func testStoreTokenRemoveExpired(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	// Create expired token and active token
	_, err = store.CreateToken(u.ID, "tk_expired", "expired", time.Now(), netip.MustParseAddr("1.2.3.4"), time.Now().Add(-time.Hour), false)
	require.Nil(t, err)
	_, err = store.CreateToken(u.ID, "tk_active", "active", time.Now(), netip.MustParseAddr("1.2.3.4"), time.Now().Add(time.Hour), false)
	require.Nil(t, err)

	require.Nil(t, store.RemoveExpiredTokens())

	// Expired token should be gone
	_, err = store.Token(u.ID, "tk_expired")
	require.Equal(t, user.ErrTokenNotFound, err)

	// Active token should still exist
	tk, err := store.Token(u.ID, "tk_active")
	require.Nil(t, err)
	require.Equal(t, "tk_active", tk.Value)
}

func testStoreTokenRemoveExcess(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	// Create 3 tokens with increasing expiry
	for i, name := range []string{"tk_a", "tk_b", "tk_c"} {
		_, err = store.CreateToken(u.ID, name, name, time.Now(), netip.MustParseAddr("1.2.3.4"), time.Now().Add(time.Duration(i+1)*time.Hour), false)
		require.Nil(t, err)
	}

	count, err := store.TokenCount(u.ID)
	require.Nil(t, err)
	require.Equal(t, 3, count)

	// Remove excess, keep only 2 (the ones with latest expiry: tk_b, tk_c)
	require.Nil(t, store.RemoveExcessTokens(u.ID, 2))

	count, err = store.TokenCount(u.ID)
	require.Nil(t, err)
	require.Equal(t, 2, count)

	// tk_a should be removed (earliest expiry)
	_, err = store.Token(u.ID, "tk_a")
	require.Equal(t, user.ErrTokenNotFound, err)

	// tk_b and tk_c should remain
	_, err = store.Token(u.ID, "tk_b")
	require.Nil(t, err)
	_, err = store.Token(u.ID, "tk_c")
	require.Nil(t, err)
}

func testStoreTokenUpdateLastAccess(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	_, err = store.CreateToken(u.ID, "tk_abc", "label", time.Now(), netip.MustParseAddr("1.2.3.4"), time.Now().Add(time.Hour), false)
	require.Nil(t, err)

	newTime := time.Now().Add(5 * time.Minute)
	newOrigin := netip.MustParseAddr("5.5.5.5")
	require.Nil(t, store.UpdateTokenLastAccess("tk_abc", newTime, newOrigin))

	tk, err := store.Token(u.ID, "tk_abc")
	require.Nil(t, err)
	require.Equal(t, newTime.Unix(), tk.LastAccess.Unix())
	require.Equal(t, newOrigin, tk.LastOrigin)
}

func testStoreAllowAccess(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))

	require.Nil(t, store.AllowAccess("phil", "mytopic", true, true, "", false))
	grants, err := store.Grants("phil")
	require.Nil(t, err)
	require.Len(t, grants, 1)
	require.Equal(t, "mytopic", grants[0].TopicPattern)
	require.True(t, grants[0].Permission.IsReadWrite())
}

func testStoreAllowAccessReadOnly(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))

	require.Nil(t, store.AllowAccess("phil", "announcements", true, false, "", false))
	grants, err := store.Grants("phil")
	require.Nil(t, err)
	require.Len(t, grants, 1)
	require.True(t, grants[0].Permission.IsRead())
	require.False(t, grants[0].Permission.IsWrite())
}

func testStoreResetAccess(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "topic1", true, true, "", false))
	require.Nil(t, store.AllowAccess("phil", "topic2", true, false, "", false))

	grants, err := store.Grants("phil")
	require.Nil(t, err)
	require.Len(t, grants, 2)

	require.Nil(t, store.ResetAccess("phil", "topic1"))
	grants, err = store.Grants("phil")
	require.Nil(t, err)
	require.Len(t, grants, 1)
	require.Equal(t, "topic2", grants[0].TopicPattern)
}

func testStoreResetAccessAll(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "topic1", true, true, "", false))
	require.Nil(t, store.AllowAccess("phil", "topic2", true, false, "", false))

	require.Nil(t, store.ResetAccess("phil", ""))
	grants, err := store.Grants("phil")
	require.Nil(t, err)
	require.Len(t, grants, 0)
}

func testStoreAuthorizeTopicAccess(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "mytopic", true, true, "", false))

	read, write, found, err := store.AuthorizeTopicAccess("phil", "mytopic")
	require.Nil(t, err)
	require.True(t, found)
	require.True(t, read)
	require.True(t, write)
}

func testStoreAuthorizeTopicAccessNotFound(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))

	_, _, found, err := store.AuthorizeTopicAccess("phil", "other")
	require.Nil(t, err)
	require.False(t, found)
}

func testStoreAuthorizeTopicAccessDenyAll(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "secret", false, false, "", false))

	read, write, found, err := store.AuthorizeTopicAccess("phil", "secret")
	require.Nil(t, err)
	require.True(t, found)
	require.False(t, read)
	require.False(t, write)
}

func testStoreReservations(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "mytopic", true, true, "phil", false))
	require.Nil(t, store.AllowAccess(user.Everyone, "mytopic", true, false, "phil", false))

	reservations, err := store.Reservations("phil")
	require.Nil(t, err)
	require.Len(t, reservations, 1)
	require.Equal(t, "mytopic", reservations[0].Topic)
	require.True(t, reservations[0].Owner.IsReadWrite())
	require.True(t, reservations[0].Everyone.IsRead())
	require.False(t, reservations[0].Everyone.IsWrite())
}

func testStoreReservationsCount(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "topic1", true, true, "phil", false))
	require.Nil(t, store.AllowAccess("phil", "topic2", true, true, "phil", false))

	count, err := store.ReservationsCount("phil")
	require.Nil(t, err)
	require.Equal(t, int64(2), count)
}

func testStoreHasReservation(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "mytopic", true, true, "phil", false))

	has, err := store.HasReservation("phil", "mytopic")
	require.Nil(t, err)
	require.True(t, has)

	has, err = store.HasReservation("phil", "other")
	require.Nil(t, err)
	require.False(t, has)
}

func testStoreReservationOwner(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("phil", "mytopic", true, true, "phil", false))

	owner, err := store.ReservationOwner("mytopic")
	require.Nil(t, err)
	require.NotEmpty(t, owner) // Returns the user ID

	owner, err = store.ReservationOwner("unowned")
	require.Nil(t, err)
	require.Empty(t, owner)
}

func testStoreTiers(t *testing.T, store user.Store) {
	tier := &user.Tier{
		ID:                       "ti_test",
		Code:                     "pro",
		Name:                     "Pro",
		MessageLimit:             5000,
		MessageExpiryDuration:    24 * time.Hour,
		EmailLimit:               100,
		CallLimit:                10,
		ReservationLimit:         20,
		AttachmentFileSizeLimit:  10 * 1024 * 1024,
		AttachmentTotalSizeLimit: 100 * 1024 * 1024,
		AttachmentExpiryDuration: 48 * time.Hour,
		AttachmentBandwidthLimit: 500 * 1024 * 1024,
	}
	require.Nil(t, store.AddTier(tier))

	// Get by code
	t2, err := store.Tier("pro")
	require.Nil(t, err)
	require.Equal(t, "ti_test", t2.ID)
	require.Equal(t, "pro", t2.Code)
	require.Equal(t, "Pro", t2.Name)
	require.Equal(t, int64(5000), t2.MessageLimit)
	require.Equal(t, int64(100), t2.EmailLimit)
	require.Equal(t, int64(10), t2.CallLimit)
	require.Equal(t, int64(20), t2.ReservationLimit)

	// List all tiers
	tiers, err := store.Tiers()
	require.Nil(t, err)
	require.Len(t, tiers, 1)
	require.Equal(t, "pro", tiers[0].Code)
}

func testStoreTierUpdate(t *testing.T, store user.Store) {
	tier := &user.Tier{
		ID:   "ti_test",
		Code: "pro",
		Name: "Pro",
	}
	require.Nil(t, store.AddTier(tier))

	tier.Name = "Professional"
	tier.MessageLimit = 9999
	require.Nil(t, store.UpdateTier(tier))

	t2, err := store.Tier("pro")
	require.Nil(t, err)
	require.Equal(t, "Professional", t2.Name)
	require.Equal(t, int64(9999), t2.MessageLimit)
}

func testStoreTierRemove(t *testing.T, store user.Store) {
	tier := &user.Tier{
		ID:   "ti_test",
		Code: "pro",
		Name: "Pro",
	}
	require.Nil(t, store.AddTier(tier))

	t2, err := store.Tier("pro")
	require.Nil(t, err)
	require.Equal(t, "pro", t2.Code)

	require.Nil(t, store.RemoveTier("pro"))
	_, err = store.Tier("pro")
	require.Equal(t, user.ErrTierNotFound, err)
}

func testStoreTierByStripePrice(t *testing.T, store user.Store) {
	tier := &user.Tier{
		ID:                   "ti_test",
		Code:                 "pro",
		Name:                 "Pro",
		StripeMonthlyPriceID: "price_monthly",
		StripeYearlyPriceID:  "price_yearly",
	}
	require.Nil(t, store.AddTier(tier))

	t2, err := store.TierByStripePrice("price_monthly")
	require.Nil(t, err)
	require.Equal(t, "pro", t2.Code)

	t3, err := store.TierByStripePrice("price_yearly")
	require.Nil(t, err)
	require.Equal(t, "pro", t3.Code)
}

func testStoreChangeTier(t *testing.T, store user.Store) {
	tier := &user.Tier{
		ID:   "ti_test",
		Code: "pro",
		Name: "Pro",
	}
	require.Nil(t, store.AddTier(tier))
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.ChangeTier("phil", "pro"))

	u, err := store.User("phil")
	require.Nil(t, err)
	require.NotNil(t, u.Tier)
	require.Equal(t, "pro", u.Tier.Code)
}

func testStorePhoneNumbers(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	require.Nil(t, store.AddPhoneNumber(u.ID, "+1234567890"))
	require.Nil(t, store.AddPhoneNumber(u.ID, "+0987654321"))

	numbers, err := store.PhoneNumbers(u.ID)
	require.Nil(t, err)
	require.Len(t, numbers, 2)

	require.Nil(t, store.RemovePhoneNumber(u.ID, "+1234567890"))
	numbers, err = store.PhoneNumbers(u.ID)
	require.Nil(t, err)
	require.Len(t, numbers, 1)
	require.Equal(t, "+0987654321", numbers[0])
}

func testStoreChangeSettings(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	lang := "de"
	prefs := &user.Prefs{Language: &lang}
	require.Nil(t, store.ChangeSettings(u.ID, prefs))

	u2, err := store.User("phil")
	require.Nil(t, err)
	require.NotNil(t, u2.Prefs)
	require.Equal(t, "de", *u2.Prefs.Language)
}

func testStoreChangeBilling(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))

	billing := &user.Billing{
		StripeCustomerID:     "cus_123",
		StripeSubscriptionID: "sub_456",
	}
	require.Nil(t, store.ChangeBilling("phil", billing))

	u, err := store.User("phil")
	require.Nil(t, err)
	require.Equal(t, "cus_123", u.Billing.StripeCustomerID)
	require.Equal(t, "sub_456", u.Billing.StripeSubscriptionID)
}

func testStoreUpdateStats(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	stats := &user.Stats{Messages: 42, Emails: 3, Calls: 1}
	require.Nil(t, store.UpdateStats(u.ID, stats))

	u2, err := store.User("phil")
	require.Nil(t, err)
	require.Equal(t, int64(42), u2.Stats.Messages)
	require.Equal(t, int64(3), u2.Stats.Emails)
	require.Equal(t, int64(1), u2.Stats.Calls)
}

func testStoreResetStats(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	require.Nil(t, store.UpdateStats(u.ID, &user.Stats{Messages: 42, Emails: 3, Calls: 1}))
	require.Nil(t, store.ResetStats())

	u2, err := store.User("phil")
	require.Nil(t, err)
	require.Equal(t, int64(0), u2.Stats.Messages)
	require.Equal(t, int64(0), u2.Stats.Emails)
	require.Equal(t, int64(0), u2.Stats.Calls)
}

func testStoreMarkUserRemoved(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	require.Nil(t, store.MarkUserRemoved(u.ID))

	u2, err := store.User("phil")
	require.Nil(t, err)
	require.True(t, u2.Deleted)
}

func testStoreRemoveDeletedUsers(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	u, err := store.User("phil")
	require.Nil(t, err)

	require.Nil(t, store.MarkUserRemoved(u.ID))

	// RemoveDeletedUsers only removes users past the hard-delete duration (7 days).
	// Immediately after marking, the user should still exist.
	require.Nil(t, store.RemoveDeletedUsers())
	u2, err := store.User("phil")
	require.Nil(t, err)
	require.True(t, u2.Deleted)
}

func testStoreAllGrants(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AddUser("ben", "benhash", user.RoleUser, false))
	phil, err := store.User("phil")
	require.Nil(t, err)
	ben, err := store.User("ben")
	require.Nil(t, err)

	require.Nil(t, store.AllowAccess("phil", "topic1", true, true, "", false))
	require.Nil(t, store.AllowAccess("ben", "topic2", true, false, "", false))

	grants, err := store.AllGrants()
	require.Nil(t, err)
	require.Contains(t, grants, phil.ID)
	require.Contains(t, grants, ben.ID)
}

func testStoreOtherAccessCount(t *testing.T, store user.Store) {
	require.Nil(t, store.AddUser("phil", "philhash", user.RoleUser, false))
	require.Nil(t, store.AddUser("ben", "benhash", user.RoleUser, false))
	require.Nil(t, store.AllowAccess("ben", "mytopic", true, true, "ben", false))

	count, err := store.OtherAccessCount("phil", "mytopic")
	require.Nil(t, err)
	require.Equal(t, 1, count)
}