package routers

import (
	"bytes"
	"encoding/json"
	"errors"
	"github.com/DATA-DOG/go-sqlmock"
	"github.com/HFO4/cloudreve/middleware"
	"github.com/HFO4/cloudreve/models"
	"github.com/HFO4/cloudreve/pkg/serializer"
	"github.com/jinzhu/gorm"
	"github.com/mojocn/base64Captcha"
	"github.com/stretchr/testify/assert"
	"net/http"
	"net/http/httptest"
	"strings"
	"testing"
)

func TestPing(t *testing.T) {
	asserts := assert.New(t)
	router := InitRouter()

	w := httptest.NewRecorder()
	req, _ := http.NewRequest("GET", "/api/v3/site/ping", nil)
	router.ServeHTTP(w, req)

	assert.Equal(t, 200, w.Code)
	asserts.Contains(w.Body.String(), "Pong")
}

func TestCaptcha(t *testing.T) {
	asserts := assert.New(t)
	router := InitRouter()
	w := httptest.NewRecorder()

	req, _ := http.NewRequest(
		"GET",
		"/api/v3/captcha",
		nil,
	)

	router.ServeHTTP(w, req)

	asserts.Equal(200, w.Code)
	asserts.Contains(w.Body.String(), "base64")
}

func TestUserSession(t *testing.T) {
	asserts := assert.New(t)
	router := InitRouter()
	w := httptest.NewRecorder()

	// 创建测试用验证码
	var configD = base64Captcha.ConfigDigit{
		Height:     80,
		Width:      240,
		MaxSkew:    0.7,
		DotCount:   80,
		CaptchaLen: 1,
	}
	idKeyD, _ := base64Captcha.GenerateCaptcha("", configD)
	middleware.ContextMock = map[string]interface{}{
		"captchaID": idKeyD,
	}

	testCases := []struct {
		settingRows *sqlmock.Rows
		userRows    *sqlmock.Rows
		policyRows  *sqlmock.Rows
		reqBody     string
		expected    interface{}
	}{
		// 登录信息正确，不需要验证码
		{
			settingRows: sqlmock.NewRows([]string{"name", "value", "type"}).
				AddRow("login_captcha", "0", "login"),
			userRows: sqlmock.NewRows([]string{"email", "nick", "password", "options"}).
				AddRow("admin@cloudreve.org", "admin", "CKLmDKa1C9SD64vU:76adadd4fd4bad86959155f6f7bc8993c94e7adf", "{}"), policyRows: sqlmock.NewRows([]string{"name", "type", "options"}).
				AddRow("默认存储策略", "local", "{\"op_name\":\"123\"}"),
			reqBody: `{"userName":"admin@cloudreve.org","captchaCode":"captchaCode","Password":"admin"}`,
			expected: serializer.BuildUserResponse(model.User{
				Email: "admin@cloudreve.org",
				Nick:  "admin",
				Policy: model.Policy{
					Type:              "local",
					OptionsSerialized: model.PolicyOption{FileType: []string{}},
				},
			}),
		},
		// 登录信息正确，需要验证码,验证码错误
		{
			settingRows: sqlmock.NewRows([]string{"name", "value", "type"}).
				AddRow("login_captcha", "1", "login"),
			userRows: sqlmock.NewRows([]string{"email", "nick", "password", "options"}).
				AddRow("admin@cloudreve.org", "admin", "CKLmDKa1C9SD64vU:76adadd4fd4bad86959155f6f7bc8993c94e7adf", "{}"),
			policyRows: sqlmock.NewRows([]string{"name", "type", "options"}).
				AddRow("默认存储策略", "local", "{\"op_name\":\"123\"}"),
			reqBody:  `{"userName":"admin@cloudreve.org","captchaCode":"captchaCode","Password":"admin"}`,
			expected: serializer.ParamErr("验证码错误", nil),
		},
		// 邮箱正确密码错误
		{
			settingRows: sqlmock.NewRows([]string{"name", "value", "type"}).
				AddRow("login_captcha", "0", "login"),
			userRows: sqlmock.NewRows([]string{"email", "nick", "password", "options"}).
				AddRow("admin@cloudreve.org", "admin", "CKLmDKa1C9SD64vU:76adadd4fd4bad86959155f6f7bc8993c94e7adf", "{}"),
			policyRows: sqlmock.NewRows([]string{"name", "type", "options"}).
				AddRow("默认存储策略", "local", "{\"op_name\":\"123\"}"),
			reqBody:  `{"userName":"admin@cloudreve.org","captchaCode":"captchaCode","Password":"admin123"}`,
			expected: serializer.Err(401, "用户邮箱或密码错误", nil),
		},
		//邮箱格式不正确
		{
			reqBody:  `{"userName":"admin@cloudreve","captchaCode":"captchaCode","Password":"admin123"}`,
			expected: serializer.Err(40001, "邮箱格式不正确", errors.New("Key: 'UserLoginService.UserName' Error:Field validation for 'UserName' failed on the 'email' tag")),
		},
		// 用户被Ban
		{
			settingRows: sqlmock.NewRows([]string{"name", "value", "type"}).
				AddRow("login_captcha", "0", "login"),
			userRows: sqlmock.NewRows([]string{"email", "nick", "password", "options", "status"}).
				AddRow("admin@cloudreve.org", "admin", "CKLmDKa1C9SD64vU:76adadd4fd4bad86959155f6f7bc8993c94e7adf", "{}", model.Baned),
			policyRows: sqlmock.NewRows([]string{"name", "type", "options"}).
				AddRow("默认存储策略", "local", "{\"op_name\":\"123\"}"),
			reqBody:  `{"userName":"admin@cloudreve.org","captchaCode":"captchaCode","Password":"admin"}`,
			expected: serializer.Err(403, "该账号已被封禁", nil),
		},
		// 用户未激活
		{
			settingRows: sqlmock.NewRows([]string{"name", "value", "type"}).
				AddRow("login_captcha", "0", "login"),
			userRows: sqlmock.NewRows([]string{"email", "nick", "password", "options", "status"}).
				AddRow("admin@cloudreve.org", "admin", "CKLmDKa1C9SD64vU:76adadd4fd4bad86959155f6f7bc8993c94e7adf", "{}", model.NotActivicated),
			policyRows: sqlmock.NewRows([]string{"name", "type", "options"}).
				AddRow("默认存储策略", "local", "{\"op_name\":\"123\"}"),
			reqBody:  `{"userName":"admin@cloudreve.org","captchaCode":"captchaCode","Password":"admin"}`,
			expected: serializer.Err(403, "该账号未激活", nil),
		},
	}

	for k, testCase := range testCases {
		if testCase.settingRows != nil {
			mock.ExpectQuery("^SELECT (.+)").WillReturnRows(testCase.settingRows)
		}
		if testCase.userRows != nil {
			mock.ExpectQuery("^SELECT (.+)").WillReturnRows(testCase.userRows)
		}
		if testCase.policyRows != nil {
			mock.ExpectQuery("^SELECT \\* FROM `(.+)` WHERE `(.+)`\\.`deleted_at` IS NULL AND \\(\\(`policies`.`id` = 1\\)\\)(.+)$").WillReturnRows(testCase.policyRows)
		}
		req, _ := http.NewRequest(
			"POST",
			"/api/v3/user/session",
			bytes.NewReader([]byte(testCase.reqBody)),
		)
		router.ServeHTTP(w, req)

		asserts.Equal(200, w.Code)
		expectedJSON, _ := json.Marshal(testCase.expected)
		asserts.JSONEq(string(expectedJSON), w.Body.String(), "测试用例：%d", k)

		w.Body.Reset()
		asserts.NoError(mock.ExpectationsWereMet())
		model.ClearCache()
	}

}

func TestSessionAuthCheck(t *testing.T) {
	asserts := assert.New(t)
	router := InitRouter()
	w := httptest.NewRecorder()

	mock.ExpectQuery("^SELECT (.+)").WillReturnRows(sqlmock.NewRows([]string{"email", "nick", "password", "options"}).
		AddRow("admin@cloudreve.org", "admin", "CKLmDKa1C9SD64vU:76adadd4fd4bad86959155f6f7bc8993c94e7adf", "{}"))
	expectedUser, _ := model.GetUserByID(1)

	testCases := []struct {
		userRows    *sqlmock.Rows
		sessionMock map[string]interface{}
		contextMock map[string]interface{}
		expected    interface{}
	}{
		// 未登录
		{
			expected: serializer.CheckLogin(),
		},
		// 登录正常
		{
			userRows: sqlmock.NewRows([]string{"email", "nick", "password", "options"}).
				AddRow("admin@cloudreve.org", "admin", "CKLmDKa1C9SD64vU:76adadd4fd4bad86959155f6f7bc8993c94e7adf", "{}"),
			sessionMock: map[string]interface{}{"user_id": 1},
			expected:    serializer.BuildUserResponse(expectedUser),
		},
		// UID不存在
		{
			userRows:    sqlmock.NewRows([]string{"email", "nick", "password", "options"}),
			sessionMock: map[string]interface{}{"user_id": -1},
			expected:    serializer.CheckLogin(),
		},
	}

	for _, testCase := range testCases {
		req, _ := http.NewRequest(
			"GET",
			"/api/v3/user/me",
			nil,
		)
		if testCase.userRows != nil {
			mock.ExpectQuery("^SELECT (.+)").WillReturnRows(testCase.userRows)
		}
		middleware.ContextMock = testCase.contextMock
		middleware.SessionMock = testCase.sessionMock
		router.ServeHTTP(w, req)
		expectedJSON, _ := json.Marshal(testCase.expected)

		asserts.Equal(200, w.Code)
		asserts.JSONEq(string(expectedJSON), w.Body.String())
		asserts.NoError(mock.ExpectationsWereMet())

		w.Body.Reset()
	}

}

func TestSiteConfigRoute(t *testing.T) {
	switchToMemDB()
	asserts := assert.New(t)
	router := InitRouter()
	w := httptest.NewRecorder()

	req, _ := http.NewRequest(
		"GET",
		"/api/v3/site/config",
		nil,
	)
	router.ServeHTTP(w, req)
	asserts.Equal(200, w.Code)
	asserts.Contains(w.Body.String(), "Cloudreve")

	w.Body.Reset()

	// 消除无效值
	model.DB.Model(&model.Setting{
		Model: gorm.Model{
			ID: 2,
		},
	}).UpdateColumn("name", "siteName_b")

	req, _ = http.NewRequest(
		"GET",
		"/api/v3/site/config",
		nil,
	)
	router.ServeHTTP(w, req)
	asserts.Equal(200, w.Code)
	asserts.Contains(w.Body.String(), "\"title\":\"\"")

	model.DB.Model(&model.Setting{
		Model: gorm.Model{
			ID: 2,
		},
	}).UpdateColumn("name", "siteName")
}

func TestListDirectoryRoute(t *testing.T) {
	switchToMemDB()
	asserts := assert.New(t)
	router := InitRouter()
	w := httptest.NewRecorder()

	// 成功
	req, _ := http.NewRequest(
		"GET",
		"/api/v3/directory/",
		nil,
	)
	middleware.SessionMock = map[string]interface{}{"user_id": 1}
	router.ServeHTTP(w, req)
	asserts.Equal(200, w.Code)
	resJSON := &serializer.Response{}
	err := json.Unmarshal(w.Body.Bytes(), resJSON)
	asserts.NoError(err)
	asserts.Equal(0, resJSON.Code)

	w.Body.Reset()

}

func TestLocalFileUpload(t *testing.T) {
	switchToMemDB()
	asserts := assert.New(t)
	router := InitRouter()
	w := httptest.NewRecorder()
	middleware.SessionMock = map[string]interface{}{"user_id": 1}

	testCases := []struct {
		GetRequest func() *http.Request
		ExpectCode int
		RollBack   func()
	}{
		// 文件大小指定错误
		{
			GetRequest: func() *http.Request {
				req, _ := http.NewRequest(
					"POST",
					"/api/v3/file/upload",
					nil,
				)
				req.Header.Add("Content-Length", "ddf")
				return req
			},
			ExpectCode: 40001,
		},
		// 返回错误
		{
			GetRequest: func() *http.Request {
				req, _ := http.NewRequest(
					"POST",
					"/api/v3/file/upload",
					strings.NewReader("2333"),
				)
				req.Header.Add("Content-Length", "4")
				req.Header.Add("X-FileName", "大地的%sfsf")
				return req
			},
			ExpectCode: 40002,
		},
		// 成功
		{
			GetRequest: func() *http.Request {
				req, _ := http.NewRequest(
					"POST",
					"/api/v3/file/upload",
					strings.NewReader("2333"),
				)
				req.Header.Add("Content-Length", "4")
				req.Header.Add("X-FileName", "TestFileUploadRoute.txt")
				return req
			},
			ExpectCode: 0,
		},
	}

	for key, testCase := range testCases {
		req := testCase.GetRequest()
		router.ServeHTTP(w, req)
		asserts.Equal(200, w.Code)
		resJSON := &serializer.Response{}
		err := json.Unmarshal(w.Body.Bytes(), resJSON)
		asserts.NoError(err, "测试用例%d", key)
		asserts.Equal(testCase.ExpectCode, resJSON.Code, "测试用例%d", key)
		if testCase.RollBack != nil {
			testCase.RollBack()
		}
		w.Body.Reset()
	}

}