package model

import (
	"testing"

	"github.com/QuantumNous/new-api/common"
	"github.com/QuantumNous/new-api/dto"

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

func setupUserUpdateTestState(t *testing.T) {
	t.Helper()
	truncateTables(t)
	require.NoError(t, DB.Exec("DELETE FROM users").Error)

	oldRedisEnabled := common.RedisEnabled
	oldBatchUpdateEnabled := common.BatchUpdateEnabled
	common.RedisEnabled = false
	common.BatchUpdateEnabled = false
	t.Cleanup(func() {
		common.RedisEnabled = oldRedisEnabled
		common.BatchUpdateEnabled = oldBatchUpdateEnabled
	})
}

func TestUserUpdateDoesNotOverwriteAccountingFields(t *testing.T) {
	setupUserUpdateTestState(t)

	user := User{
		Id:           1,
		Username:     "quota-race-user",
		Password:     "password",
		DisplayName:  "before",
		Status:       common.UserStatusEnabled,
		Quota:        1000,
		UsedQuota:    20,
		RequestCount: 3,
	}
	require.NoError(t, DB.Create(&user).Error)

	staleUser, err := GetUserById(user.Id, true)
	require.NoError(t, err)

	require.NoError(t, DB.Model(&User{}).Where("id = ?", user.Id).Updates(map[string]interface{}{
		"quota":         gorm.Expr("quota - ?", 400),
		"used_quota":    gorm.Expr("used_quota + ?", 400),
		"request_count": gorm.Expr("request_count + ?", 1),
	}).Error)

	staleUser.DisplayName = "after"
	require.NoError(t, staleUser.Update(false))

	var got User
	require.NoError(t, DB.First(&got, user.Id).Error)
	assert.Equal(t, "after", got.DisplayName)
	assert.Equal(t, 600, got.Quota)
	assert.Equal(t, 420, got.UsedQuota)
	assert.Equal(t, 4, got.RequestCount)
}

func TestUpdateUserSettingOnlyUpdatesSetting(t *testing.T) {
	setupUserUpdateTestState(t)

	user := User{
		Id:           2,
		Username:     "setting-user",
		Password:     "password",
		Status:       common.UserStatusEnabled,
		Quota:        1000,
		UsedQuota:    20,
		RequestCount: 3,
	}
	require.NoError(t, DB.Create(&user).Error)

	require.NoError(t, DB.Model(&User{}).Where("id = ?", user.Id).Updates(map[string]interface{}{
		"quota":         gorm.Expr("quota - ?", 250),
		"used_quota":    gorm.Expr("used_quota + ?", 250),
		"request_count": gorm.Expr("request_count + ?", 1),
	}).Error)

	require.NoError(t, UpdateUserSetting(user.Id, dto.UserSetting{Language: "zh"}))

	var got User
	require.NoError(t, DB.First(&got, user.Id).Error)
	assert.Equal(t, 750, got.Quota)
	assert.Equal(t, 270, got.UsedQuota)
	assert.Equal(t, 4, got.RequestCount)
	assert.Equal(t, "zh", got.GetSetting().Language)
}