// Copyright 2017 The Gitea Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package user_test

import (
	"crypto/rand"
	"fmt"
	"strings"
	"testing"
	"time"

	"gitea.dev/models/auth"
	"gitea.dev/models/db"
	"gitea.dev/models/unittest"
	user_model "gitea.dev/models/user"
	"gitea.dev/modules/auth/password/hash"
	"gitea.dev/modules/container"
	"gitea.dev/modules/optional"
	"gitea.dev/modules/setting"
	"gitea.dev/modules/structs"
	"gitea.dev/modules/test"
	"gitea.dev/modules/timeutil"

	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestIsUsableUsername(t *testing.T) {
	assert.NoError(t, user_model.IsUsableUsername("a"))
	assert.NoError(t, user_model.IsUsableUsername("foo.wiki"))
	assert.NoError(t, user_model.IsUsableUsername("foo.git"))

	assert.Error(t, user_model.IsUsableUsername("a--b"))
	assert.Error(t, user_model.IsUsableUsername("-1_."))
	assert.Error(t, user_model.IsUsableUsername(".profile"))
	assert.Error(t, user_model.IsUsableUsername("-"))
	assert.Error(t, user_model.IsUsableUsername("🌞"))
	assert.Error(t, user_model.IsUsableUsername("the..repo"))
	assert.Error(t, user_model.IsUsableUsername("foo.RSS"))
	assert.Error(t, user_model.IsUsableUsername("foo.PnG"))
}

func TestOAuth2Application_LoadUser(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())
	app := unittest.AssertExistsAndLoadBean(t, &auth.OAuth2Application{ID: 1})
	user, err := user_model.GetUserByID(t.Context(), app.UID)
	assert.NoError(t, err)
	assert.NotNil(t, user)
}

func TestUserEmails(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())
	defer test.MockVariableValue(&setting.Service.NoReplyAddress, "NoReply.gitea.internal")()
	t.Run("GetUserEmailsByNames", func(t *testing.T) {
		// ignore not active user email
		assert.ElementsMatch(t, []string{"user8@example.com"}, user_model.GetUserEmailsByNames(t.Context(), []string{"user8", "user9"}))
		assert.ElementsMatch(t, []string{"user8@example.com", "user5@example.com"}, user_model.GetUserEmailsByNames(t.Context(), []string{"user8", "user5"}))
		assert.ElementsMatch(t, []string{"user8@example.com"}, user_model.GetUserEmailsByNames(t.Context(), []string{"user8", "org7"}))
	})

	cases := []struct {
		Email string
		UID   int64
	}{
		{"UseR1@example.com", 1},
		{"user1-2@example.COM", 1},
		{"USER2@" + setting.Service.NoReplyAddress, 2},
		{"2+user2@" + setting.Service.NoReplyAddress, 2},
		{"2+oldUser2UsernameWhichDoesNotMatterForQuery@" + setting.Service.NoReplyAddress, 2},
		{"99999+badUser@" + setting.Service.NoReplyAddress, 0},
		{"user4@example.com", 4},
		{"no-such", 0},
	}
	t.Run("GetUsersByEmails", func(t *testing.T) {
		defer test.MockVariableValue(&setting.Service.NoReplyAddress, "NoReply.gitea.internal")()
		testGetUserByEmail := func(t *testing.T, email string, uid int64) {
			m, err := user_model.GetUsersByEmails(t.Context(), []string{email})
			require.NoError(t, err)
			user := m.GetByEmail(email)
			if uid == 0 {
				require.Nil(t, user)
				return
			}
			require.NotNil(t, user)
			assert.Equal(t, uid, user.ID)
		}
		for _, c := range cases {
			t.Run(c.Email, func(t *testing.T) {
				testGetUserByEmail(t, c.Email, c.UID)
			})
		}

		t.Run("NoReplyConflict", func(t *testing.T) {
			setting.Service.NoReplyAddress = "example.com"
			testGetUserByEmail(t, "user1-2@example.COM", 1)
		})
	})
	t.Run("GetUserByEmail", func(t *testing.T) {
		testGetUserByEmail := func(t *testing.T, email string, uid int64) {
			user, err := user_model.GetUserByEmail(t.Context(), email)
			if uid == 0 {
				require.Error(t, err)
				assert.Nil(t, user)
			} else {
				require.NotNil(t, user)
				assert.Equal(t, uid, user.ID)
			}
		}
		for _, c := range cases {
			t.Run(c.Email, func(t *testing.T) {
				testGetUserByEmail(t, c.Email, c.UID)
			})
		}

		t.Run("NoReplyConflict", func(t *testing.T) {
			setting.Service.NoReplyAddress = "example.com"
			testGetUserByEmail(t, "user1-2@example.COM", 1)
		})
	})
}

func TestCanCreateOrganization(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	admin := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
	assert.True(t, admin.CanCreateOrganization())

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
	assert.True(t, user.CanCreateOrganization())
	// Disable user create organization permission.
	user.AllowCreateOrganization = false
	assert.False(t, user.CanCreateOrganization())

	setting.Admin.DisableRegularOrgCreation = true
	user.AllowCreateOrganization = true
	assert.True(t, admin.CanCreateOrganization())
	assert.False(t, user.CanCreateOrganization())
}

func TestSearchUsers(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())
	testSuccess := func(opts user_model.SearchUserOptions, expectedUserOrOrgIDs []int64) {
		users, _, err := user_model.SearchUsers(t.Context(), opts)
		assert.NoError(t, err)
		cassText := fmt.Sprintf("ids: %v, opts: %v", expectedUserOrOrgIDs, opts)
		if assert.Len(t, users, len(expectedUserOrOrgIDs), "case: %s", cassText) {
			for i, expectedID := range expectedUserOrOrgIDs {
				assert.Equal(t, expectedID, users[i].ID, "case: %s", cassText)
			}
		}
	}

	// test orgs
	testOrgSuccess := func(opts user_model.SearchUserOptions, expectedOrgIDs []int64) {
		opts.Types = []user_model.UserType{user_model.UserTypeOrganization}
		testSuccess(opts, expectedOrgIDs)
	}

	testOrgSuccess(user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 1, PageSize: 2}},
		[]int64{3, 6})

	testOrgSuccess(user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 2, PageSize: 2}},
		[]int64{7, 17})

	testOrgSuccess(user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 3, PageSize: 2}},
		[]int64{19, 25})

	testOrgSuccess(user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 4, PageSize: 2}},
		[]int64{26, 41})

	testOrgSuccess(user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 5, PageSize: 2}},
		[]int64{42})

	testOrgSuccess(user_model.SearchUserOptions{ListOptions: db.ListOptions{Page: 6, PageSize: 2}},
		[]int64{})

	// test users
	testUserSuccess := func(opts user_model.SearchUserOptions, expectedUserIDs []int64) {
		opts.Types = []user_model.UserType{user_model.UserTypeIndividual}
		testSuccess(opts, expectedUserIDs)
	}

	testUserSuccess(user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 1}},
		[]int64{1, 2, 4, 5, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 34, 37, 38, 39, 40})

	testUserSuccess(user_model.SearchUserOptions{ListOptions: db.ListOptions{Page: 1}, IsActive: optional.Some(false)},
		[]int64{9})

	testUserSuccess(user_model.SearchUserOptions{OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 1}, IsActive: optional.Some(true)},
		[]int64{1, 2, 4, 5, 8, 10, 11, 12, 13, 14, 15, 16, 18, 20, 21, 24, 27, 28, 29, 30, 32, 34, 37, 38, 39, 40})

	testUserSuccess(user_model.SearchUserOptions{Keyword: "user1", OrderBy: "id ASC", ListOptions: db.ListOptions{Page: 1}, IsActive: optional.Some(true)},
		[]int64{1, 10, 11, 12, 13, 14, 15, 16, 18})

	// order by name asc default
	testUserSuccess(user_model.SearchUserOptions{Keyword: "user1", ListOptions: db.ListOptions{Page: 1}, IsActive: optional.Some(true)},
		[]int64{1, 10, 11, 12, 13, 14, 15, 16, 18})

	testUserSuccess(user_model.SearchUserOptions{ListOptions: db.ListOptions{Page: 1}, IsAdmin: optional.Some(true)},
		[]int64{1})

	testUserSuccess(user_model.SearchUserOptions{ListOptions: db.ListOptions{Page: 1}, IsRestricted: optional.Some(true)},
		[]int64{29})

	testUserSuccess(user_model.SearchUserOptions{ListOptions: db.ListOptions{Page: 1}, IsProhibitLogin: optional.Some(true)},
		[]int64{37})

	testUserSuccess(user_model.SearchUserOptions{ListOptions: db.ListOptions{Page: 1}, IsTwoFactorEnabled: optional.Some(true)},
		[]int64{24})
}

func TestEmailNotificationPreferences(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	for _, test := range []struct {
		expected string
		userID   int64
	}{
		{user_model.EmailNotificationsEnabled, 1},
		{user_model.EmailNotificationsEnabled, 2},
		{user_model.EmailNotificationsOnMention, 3},
		{user_model.EmailNotificationsOnMention, 4},
		{user_model.EmailNotificationsEnabled, 5},
		{user_model.EmailNotificationsEnabled, 6},
		{user_model.EmailNotificationsDisabled, 7},
		{user_model.EmailNotificationsEnabled, 8},
		{user_model.EmailNotificationsOnMention, 9},
	} {
		user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: test.userID})
		assert.Equal(t, test.expected, user.EmailNotificationsPreference)
	}
}

func TestHashPasswordDeterministic(t *testing.T) {
	b := make([]byte, 16)
	u := &user_model.User{}
	algos := hash.RecommendedHashAlgorithms
	for j := range algos {
		u.PasswdHashAlgo = algos[j]
		for range 50 {
			// generate a random password
			rand.Read(b)
			pass := string(b)

			// save the current password in the user - hash it and store the result
			u.SetPassword(pass)
			r1 := u.Passwd

			// run again
			u.SetPassword(pass)
			r2 := u.Passwd

			assert.NotEqual(t, r1, r2)
			assert.True(t, u.ValidatePassword(pass))
		}
	}
}

func BenchmarkHashPassword(b *testing.B) {
	// BenchmarkHashPassword ensures that it takes a reasonable amount of time
	// to hash a password - in order to protect from brute-force attacks.
	pass := "password1337"
	u := &user_model.User{Passwd: pass}
	b.ResetTimer()
	for b.Loop() {
		u.SetPassword(pass)
	}
}

func TestNewGitSig(t *testing.T) {
	users := make([]*user_model.User, 0, 20)
	err := db.GetEngine(t.Context()).Find(&users)
	assert.NoError(t, err)

	for _, user := range users {
		sig := user.NewGitSig()
		assert.NotContains(t, sig.Name, "<")
		assert.NotContains(t, sig.Name, ">")
		assert.NotContains(t, sig.Name, "\n")
		assert.NotEmpty(t, strings.TrimSpace(sig.Name))
	}
}

func TestDisplayName(t *testing.T) {
	users := make([]*user_model.User, 0, 20)
	err := db.GetEngine(t.Context()).Find(&users)
	assert.NoError(t, err)

	for _, user := range users {
		displayName := user.DisplayName()
		assert.Equal(t, strings.TrimSpace(displayName), displayName)
		if len(strings.TrimSpace(user.FullName)) == 0 {
			assert.Equal(t, user.Name, displayName)
		}
		assert.NotEmpty(t, strings.TrimSpace(displayName))
	}
}

func TestCreateUserInvalidEmail(t *testing.T) {
	user := &user_model.User{
		Name:               "GiteaBot",
		Email:              "GiteaBot@gitea.io\r\n",
		Passwd:             ";p['////..-++']",
		IsAdmin:            false,
		Theme:              setting.UI.DefaultTheme,
		MustChangePassword: false,
	}

	err := user_model.CreateUser(t.Context(), user, &user_model.Meta{})
	assert.Error(t, err)
	assert.True(t, user_model.IsErrEmailCharIsNotSupported(err))
}

func TestCreateUserEmailAlreadyUsed(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})

	// add new user with user2's email
	user.Name = "testuser"
	user.LowerName = strings.ToLower(user.Name)
	user.ID = 0
	err := user_model.CreateUser(t.Context(), user, &user_model.Meta{})
	assert.Error(t, err)
	assert.True(t, user_model.IsErrEmailAlreadyUsed(err))
}

func TestCreateUserCustomTimestamps(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})

	// Add new user with a custom creation timestamp.
	var creationTimestamp timeutil.TimeStamp = 12345
	user.Name = "testuser"
	user.LowerName = strings.ToLower(user.Name)
	user.ID = 0
	user.Email = "unique@example.com"
	user.CreatedUnix = creationTimestamp
	err := user_model.CreateUser(t.Context(), user, &user_model.Meta{})
	assert.NoError(t, err)

	fetched, err := user_model.GetUserByID(t.Context(), user.ID)
	assert.NoError(t, err)
	assert.Equal(t, creationTimestamp, fetched.CreatedUnix)
	assert.Equal(t, creationTimestamp, fetched.UpdatedUnix)
}

func TestCreateUserWithoutCustomTimestamps(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})

	// There is no way to use a mocked time for the XORM auto-time functionality,
	// so use the real clock to approximate the expected timestamp.
	timestampStart := time.Now().Unix()

	// Add new user without a custom creation timestamp.
	user.Name = "Testuser"
	user.LowerName = strings.ToLower(user.Name)
	user.ID = 0
	user.Email = "unique@example.com"
	user.CreatedUnix = 0
	user.UpdatedUnix = 0
	err := user_model.CreateUser(t.Context(), user, &user_model.Meta{})
	assert.NoError(t, err)

	timestampEnd := time.Now().Unix()

	fetched, err := user_model.GetUserByID(t.Context(), user.ID)
	assert.NoError(t, err)

	assert.LessOrEqual(t, timestampStart, fetched.CreatedUnix)
	assert.LessOrEqual(t, fetched.CreatedUnix, timestampEnd)

	assert.LessOrEqual(t, timestampStart, fetched.UpdatedUnix)
	assert.LessOrEqual(t, fetched.UpdatedUnix, timestampEnd)
}

func TestGetUserIDsByNames(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	// ignore non existing
	IDs, err := user_model.GetUserIDsByNames(t.Context(), []string{"user1", "user2", "none_existing_user"}, true)
	assert.NoError(t, err)
	assert.Equal(t, []int64{1, 2}, IDs)

	// ignore non existing
	IDs, err = user_model.GetUserIDsByNames(t.Context(), []string{"user1", "do_not_exist"}, false)
	assert.Error(t, err)
	assert.Equal(t, []int64(nil), IDs)
}

func TestGetMaileableUsersByIDs(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	results, err := user_model.GetMailableUsersByIDs(t.Context(), []int64{1, 4}, false)
	assert.NoError(t, err)
	assert.Len(t, results, 1)
	if len(results) > 1 {
		assert.Equal(t, 1, results[0].ID)
	}

	results, err = user_model.GetMailableUsersByIDs(t.Context(), []int64{1, 4}, true)
	assert.NoError(t, err)
	assert.Len(t, results, 2)
	if len(results) > 2 {
		assert.Equal(t, 1, results[0].ID)
		assert.Equal(t, 4, results[1].ID)
	}
}

func TestNewUserRedirect(t *testing.T) {
	// redirect to a completely new name
	assert.NoError(t, unittest.PrepareTestDatabase())

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
	assert.NoError(t, user_model.NewUserRedirect(t.Context(), user.ID, user.Name, "newusername"))

	unittest.AssertExistsAndLoadBean(t, &user_model.Redirect{
		LowerName:      user.LowerName,
		RedirectUserID: user.ID,
	})
	unittest.AssertExistsAndLoadBean(t, &user_model.Redirect{
		LowerName:      "olduser1",
		RedirectUserID: user.ID,
	})
}

func TestNewUserRedirect2(t *testing.T) {
	// redirect to previously used name
	assert.NoError(t, unittest.PrepareTestDatabase())

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})
	assert.NoError(t, user_model.NewUserRedirect(t.Context(), user.ID, user.Name, "olduser1"))

	unittest.AssertExistsAndLoadBean(t, &user_model.Redirect{
		LowerName:      user.LowerName,
		RedirectUserID: user.ID,
	})
	unittest.AssertNotExistsBean(t, &user_model.Redirect{
		LowerName:      "olduser1",
		RedirectUserID: user.ID,
	})
}

func TestNewUserRedirect3(t *testing.T) {
	// redirect for a previously-unredirected user
	assert.NoError(t, unittest.PrepareTestDatabase())

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
	assert.NoError(t, user_model.NewUserRedirect(t.Context(), user.ID, user.Name, "newusername"))

	unittest.AssertExistsAndLoadBean(t, &user_model.Redirect{
		LowerName:      user.LowerName,
		RedirectUserID: user.ID,
	})
}

func TestGetUserByOpenID(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	_, err := user_model.GetUserByOpenID(t.Context(), "https://unknown")
	if assert.Error(t, err) {
		assert.True(t, user_model.IsErrUserNotExist(err))
	}

	user, err := user_model.GetUserByOpenID(t.Context(), "https://user1.domain1.tld")
	if assert.NoError(t, err) {
		assert.Equal(t, int64(1), user.ID)
	}

	user, err = user_model.GetUserByOpenID(t.Context(), "https://domain1.tld/user2/")
	if assert.NoError(t, err) {
		assert.Equal(t, int64(2), user.ID)
	}
}

func TestFollowUser(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	testSuccess := func(follower, followed *user_model.User) {
		assert.NoError(t, user_model.FollowUser(t.Context(), follower, followed))
		unittest.AssertExistsAndLoadBean(t, &user_model.Follow{UserID: follower.ID, FollowID: followed.ID})
	}

	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})
	user5 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 5})

	testSuccess(user4, user2)
	testSuccess(user5, user2)

	assert.NoError(t, user_model.FollowUser(t.Context(), user2, user2))

	unittest.CheckConsistencyFor(t, &user_model.User{})
}

func TestUnfollowUser(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	testSuccess := func(followerID, followedID int64) {
		assert.NoError(t, user_model.UnfollowUser(t.Context(), followerID, followedID))
		unittest.AssertNotExistsBean(t, &user_model.Follow{UserID: followerID, FollowID: followedID})
	}
	testSuccess(4, 2)
	testSuccess(5, 2)
	testSuccess(2, 2)

	unittest.CheckConsistencyFor(t, &user_model.User{})
}

func TestIsUserVisibleToViewer(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	user1 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})   // admin, public
	user4 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 4})   // normal, public
	user20 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 20}) // public, same team as user31
	user29 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 29}) // public, is restricted
	user31 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 31}) // private, same team as user20
	user33 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 33}) // limited, follows 31

	test := func(u, viewer *user_model.User, expected bool) {
		name := func(u *user_model.User) string {
			if u == nil {
				return "<nil>"
			}
			return u.Name
		}
		assert.Equal(t, expected, user_model.IsUserVisibleToViewer(t.Context(), u, viewer), "user %v should be visible to viewer %v: %v", name(u), name(viewer), expected)
	}

	// admin viewer
	test(user1, user1, true)
	test(user20, user1, true)
	test(user31, user1, true)
	test(user33, user1, true)

	// non admin viewer
	test(user4, user4, true)
	test(user20, user4, true)
	test(user31, user4, false)
	test(user33, user4, true)
	test(user4, nil, true)

	// public user
	test(user4, user20, true)
	test(user4, user31, true)
	test(user4, user33, true)

	// limited user
	test(user33, user33, true)
	test(user33, user4, true)
	test(user33, user29, false)
	test(user33, nil, false)

	// private user
	test(user31, user31, true)
	test(user31, user4, false)
	test(user31, user20, true)
	test(user31, user29, false)
	test(user31, user33, true)
	test(user31, nil, false)
}

func Test_ValidateUser(t *testing.T) {
	defer test.MockVariableValue(&setting.Service.AllowedUserVisibilityModesSlice, []bool{true, false, true})()

	kases := map[*user_model.User]bool{
		{ID: 1, Visibility: structs.VisibleTypePublic}:  true,
		{ID: 2, Visibility: structs.VisibleTypeLimited}: false,
		{ID: 2, Visibility: structs.VisibleTypePrivate}: true,
	}
	for kase, expected := range kases {
		assert.Equal(t, expected, nil == user_model.ValidateUser(kase), "case: %+v", kase)
	}
}

func Test_NormalizeUserFromEmail(t *testing.T) {
	testCases := []struct {
		Input             string
		Expected          string
		IsNormalizedValid bool
	}{
		{"name@example.com", "name", true},
		{"test'`´name", "testname", true},
		{"Sinéad.O'Connor", "Sinead.OConnor", true},
		{"Æsir", "AEsir", true},
		{"éé", "ee", true}, // \u00e9\u0065\u0301
		{"Awareness Hub", "Awareness-Hub", true},
		{"double__underscore", "double__underscore", false}, // We should consider squashing double non-alpha characters
		{".bad.", ".bad.", false},
		{"new😀user", "new😀user", false}, // No plans to support
		{`"quoted"`, `"quoted"`, false}, // No plans to support
	}
	for _, testCase := range testCases {
		normalizedName, err := user_model.NormalizeUserName(testCase.Input)
		assert.NoError(t, err)
		assert.Equal(t, testCase.Expected, normalizedName)
		if testCase.IsNormalizedValid {
			assert.NoError(t, user_model.IsUsableUsername(normalizedName))
		} else {
			assert.Error(t, user_model.IsUsableUsername(normalizedName))
		}
	}
}

func TestEmailTo(t *testing.T) {
	testCases := []struct {
		fullName string
		mail     string
		result   string
	}{
		{"Awareness Hub", "awareness@hub.net", "Awareness Hub <awareness@hub.net>"},
		{"name@example.com", "name@example.com", "name@example.com"},
		{"Hi Its <Mee>", "ee@mail.box", "Hi Its Mee <ee@mail.box>"},
		{"Sinéad.O'Connor", "sinead.oconnor@gmail.com", "=?utf-8?q?Sin=C3=A9ad.O'Connor?= <sinead.oconnor@gmail.com>"},
		{"Æsir", "aesir@gmx.de", "=?utf-8?q?=C3=86sir?= <aesir@gmx.de>"},
		{"new😀user", "new.user@alo.com", "=?utf-8?q?new=F0=9F=98=80user?= <new.user@alo.com>"},
		{`"quoted"`, "quoted@test.com", "quoted <quoted@test.com>"},
	}

	for _, testCase := range testCases {
		t.Run(testCase.result, func(t *testing.T) {
			testUser := &user_model.User{FullName: testCase.fullName, Email: testCase.mail}
			assert.Equal(t, testCase.result, testUser.EmailTo())
		})
	}
}

func TestDisabledUserFeatures(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	testValues := container.SetOf(setting.UserFeatureDeletion,
		setting.UserFeatureManageSSHKeys,
		setting.UserFeatureManageGPGKeys)
	defer test.MockVariableValue(&setting.Admin.ExternalUserDisableFeatures, testValues)()

	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 1})

	assert.Empty(t, setting.Admin.UserDisabledFeatures.Values())

	// no features should be disabled with a plain login type
	assert.LessOrEqual(t, user.LoginType, auth.Plain)
	assert.Empty(t, user_model.DisabledFeaturesWithLoginType(user).Values())
	for _, f := range testValues.Values() {
		assert.False(t, user_model.IsFeatureDisabledWithLoginType(user, f))
	}

	// check disabled features with external login type
	user.LoginType = auth.OAuth2

	// all features should be disabled
	assert.NotEmpty(t, user_model.DisabledFeaturesWithLoginType(user).Values())
	for _, f := range testValues.Values() {
		assert.True(t, user_model.IsFeatureDisabledWithLoginType(user, f))
	}
}

func TestGetInactiveUsers(t *testing.T) {
	assert.NoError(t, unittest.PrepareTestDatabase())

	// all inactive users
	// user1's createdunix is 1730468968
	users, err := user_model.GetInactiveUsers(t.Context(), 0)
	assert.NoError(t, err)
	assert.Len(t, users, 1)
	interval := time.Now().Unix() - 1730468968 + 3600*24
	users, err = user_model.GetInactiveUsers(t.Context(), time.Duration(interval*int64(time.Second)))
	assert.NoError(t, err)
	assert.Empty(t, users)
}

func TestCanCreateRepo(t *testing.T) {
	defer test.MockVariableValue(&setting.Repository.MaxCreationLimit)()
	defer test.MockVariableValue(&setting.Repository.UserMaxCreationLimit)()
	defer test.MockVariableValue(&setting.Repository.OrgMaxCreationLimit)()
	const noLimit = -1
	doerActions := user_model.NewActionsUser()
	doerNormal := &user_model.User{ID: 2}
	doerAdmin := &user_model.User{ID: 1, IsAdmin: true}
	orgOwner := func(numRepos, maxRepoCreation int) *user_model.User {
		return &user_model.User{ID: 3, Type: user_model.UserTypeOrganization, NumRepos: numRepos, MaxRepoCreation: maxRepoCreation}
	}
	t.Run("NoGlobalLimit", func(t *testing.T) {
		setting.Repository.UserMaxCreationLimit = noLimit
		setting.Repository.OrgMaxCreationLimit = noLimit

		assert.False(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 0}))
		assert.True(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 100}))
		assert.True(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: noLimit}))

		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 0}))
		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 100}))
		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: noLimit}))
		assert.False(t, doerActions.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: noLimit}))
		assert.False(t, doerAdmin.CanCreateRepoIn(doerActions))
	})

	t.Run("GlobalLimit50", func(t *testing.T) {
		setting.Repository.UserMaxCreationLimit = 50
		setting.Repository.OrgMaxCreationLimit = 50

		assert.True(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: noLimit}))
		assert.False(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 60, MaxRepoCreation: noLimit})) // limited by global limit
		assert.False(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 0}))
		assert.True(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 100}))
		assert.True(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 60, MaxRepoCreation: 100}))

		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: noLimit}))
		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 60, MaxRepoCreation: noLimit}))
		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 0}))
		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 10, MaxRepoCreation: 100}))
		assert.True(t, doerAdmin.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 60, MaxRepoCreation: 100}))
	})

	t.Run("UserBlockedOrgsUnlimited", func(t *testing.T) {
		// User and org limits are independent: a deployment can block personal repos while leaving orgs unrestricted.
		setting.Repository.UserMaxCreationLimit = 0
		setting.Repository.OrgMaxCreationLimit = noLimit

		// regular user is blocked
		assert.False(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 0, MaxRepoCreation: noLimit}))
		// per-user override grants individual exceptions even when the global user limit is 0
		assert.True(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 3, MaxRepoCreation: 5}))
		assert.False(t, doerNormal.CanCreateRepoIn(&user_model.User{ID: 2, NumRepos: 5, MaxRepoCreation: 5}))

		// organization can create unlimited repos
		assert.True(t, doerNormal.CanCreateRepoIn(orgOwner(10, noLimit)))
		assert.True(t, doerNormal.CanCreateRepoIn(orgOwner(999, noLimit)))
		// per-org override still wins over the global org limit
		assert.False(t, doerNormal.CanCreateRepoIn(orgOwner(5, 5)))
	})

	t.Run("OrgGlobalLimitWithPerOrgOverride", func(t *testing.T) {
		setting.Repository.UserMaxCreationLimit = noLimit
		setting.Repository.OrgMaxCreationLimit = 10

		assert.True(t, doerNormal.CanCreateRepoIn(orgOwner(5, noLimit)))
		assert.False(t, doerNormal.CanCreateRepoIn(orgOwner(10, noLimit)))

		// per-org override bypasses the global org limit
		assert.True(t, doerNormal.CanCreateRepoIn(orgOwner(10, 100)))
	})
}
