package e2e

import (
	"codeword/internal/models"
	"codeword/tests/helpers"
	"encoding/json"
	"fmt"
	"github.com/gofiber/fiber/v2"
	"github.com/pioz/faker"
	"github.com/stretchr/testify/assert"
	"go.mongodb.org/mongo-driver/bson/primitive"
	"strconv"
	"testing"
)

var promoID string
var fastLink string

// CreatePromoCode
func TestCreatePromoCode(t *testing.T) {
	client := fiber.AcquireClient()

	t.Run("CreatePromoCode-success", func(t *testing.T) {
		for i := 0; i < 10; i++ {
			jsonString := `{
			"codeword": "example",
			"description": "Example description",
			"greetings": "Example greetings",
			"dueTo": 1734429225,
			"activationCount": 100,
			"bonus": {
				"privilege": {
					"privilegeID": "examplePrivilegeID",
					"amount": 50
				},
				"discount": {
					"layer": 1,
					"factor": 0.2,
					"target": "exampleTarget",
					"threshold": 500
				}
			},
			"outdated": false,
			"offLimit": false,
			"delete": false
		}`

			var reqBody models.PromoCode
			err := json.Unmarshal([]byte(jsonString), &reqBody)
			assert.NoError(t, err)
			if i != 0 {
				reqBody.Codeword = reqBody.Codeword + faker.String() + strconv.Itoa(i)
			}

			reqJSON, _ := json.Marshal(reqBody)

			req := client.Post(BaseUrl+"/promocode/create").Set("Content-Type", "application/json").Body(reqJSON)

			statusCode, resBody, errs := req.Bytes()
			if len(errs) != 0 {
				assert.NoError(t, errs[0])
			}

			assert.Equal(t, fiber.StatusCreated, statusCode)

			var response models.PromoCode
			err = json.Unmarshal(resBody, &response)
			assert.NoError(t, err)
			promoID = response.ID.Hex()
			fmt.Println(response)
		}

	})
	t.Run("CreatePromoCode-duplicate", func(t *testing.T) {
		jsonString := `{
			"codeword": "example",
			"description": "Example description",
			"greetings": "Example greetings",
			"dueTo": 1734429225,
			"activationCount": 100,
			"bonus": {
				"privilege": {
					"privilegeID": "examplePrivilegeID",
					"amount": 50
				},
				"discount": {
					"layer": 1,
					"factor": 0.2,
					"target": "exampleTarget",
					"threshold": 500
				}
			},
			"outdated": false,
			"offLimit": false,
			"delete": false
		}`

		var reqBody models.PromoCode
		err := json.Unmarshal([]byte(jsonString), &reqBody)
		assert.NoError(t, err)

		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/create").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err = json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
	t.Run("CreatePromoCode-invalid request payload", func(t *testing.T) {
		jsonString := `{
			"example": "example",
			"description": "Example description",
			"greetings": "Example greetings",
			"dueTo": 1734429225,
			"activationCount": 100,
			"bonus": {
				"privilege": {
					"privilegeID": "examplePrivilegeID",
					"amount": 50
				},
				"discount": {
					"layer": 1,
					"factor": 0.2,
					"target": "exampleTarget",
					"threshold": 500
				}
			},
			"outdated": false,
			"offLimit": false,
			"delete": false
		}`

		req := client.Post(BaseUrl+"/promocode/create").Set("Content-Type", "application/json").Body([]byte(jsonString))

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
	t.Run("CreatePromoCode-nil codeword", func(t *testing.T) {
		jsonString := `{
			"description": "Example description",
			"greetings": "Example greetings",
			"dueTo": 1734429225,
			"activationCount": 100,
			"bonus": {
				"privilege": {
					"privilegeID": "examplePrivilegeID",
					"amount": 50
				},
				"discount": {
					"layer": 1,
					"factor": 0.2,
					"target": "exampleTarget",
					"threshold": 500
				}
			},
			"outdated": false,
			"offLimit": false,
			"delete": false
		}`

		var reqBody models.PromoCode
		err := json.Unmarshal([]byte(jsonString), &reqBody)
		assert.NoError(t, err)

		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/create").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err = json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
}

// EditPromoCode
func TestEditPromoCode(t *testing.T) {
	client := fiber.AcquireClient()

	t.Run("EditPromoCode-success", func(t *testing.T) {
		reqBody := models.ReqEditPromoCode{
			ID:              promoID,
			Description:     toString("Updated description"),
			Greetings:       toString("Updated greetings"),
			DueTo:           toInt64(1734429225),
			ActivationCount: toInt64(150),
			Delete:          toBool(false),
		}

		reqJSON, _ := json.Marshal(reqBody)
		req := client.Put(BaseUrl+"/promocode/edit").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		assert.Equal(t, fiber.StatusOK, statusCode)

		var response models.PromoCode
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response)
	})

	t.Run("EditPromoCode-success one column", func(t *testing.T) {
		reqBody := models.ReqEditPromoCode{
			ID:        promoID,
			Greetings: toString("Updated greetings one"),
		}

		reqJSON, _ := json.Marshal(reqBody)
		req := client.Put(BaseUrl+"/promocode/edit").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		assert.Equal(t, fiber.StatusOK, statusCode)

		var response models.PromoCode
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response)
	})

	t.Run("EditPromoCode-promocod not found", func(t *testing.T) {
		reqBody := models.ReqEditPromoCode{
			ID:              primitive.NewObjectID().Hex(),
			Description:     toString("Updated description"),
			Greetings:       toString("Updated greetings"),
			DueTo:           toInt64(1734429225),
			ActivationCount: toInt64(150),
			Delete:          toBool(false),
		}

		reqJSON, _ := json.Marshal(reqBody)
		req := client.Put(BaseUrl+"/promocode/edit").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		assert.Equal(t, fiber.StatusNotFound, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})

	t.Run("EditPromoCode-invalid request payload", func(t *testing.T) {
		reqBody := map[string]interface{}{
			"invalid_field":   "example",
			"description":     "Updated description",
			"greetings":       "Updated greetings",
			"dueTo":           1734429225,
			"activationCount": 150,
			"delete":          false,
		}

		reqJSON, _ := json.Marshal(reqBody)
		req := client.Put(BaseUrl+"/promocode/edit").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
}

func toString(s string) *string {
	return &s
}

func toInt64(i int64) *int64 {
	return &i
}

func toBool(b bool) *bool {
	return &b
}

// CreateFastLink
func TestCreateFastLink(t *testing.T) {
	client := fiber.AcquireClient()

	t.Run("CreateFastLink-success", func(t *testing.T) {
		reqBody := struct {
			PromoCodeID string `json:"id"`
		}{
			PromoCodeID: promoID,
		}

		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/fastlink").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		fmt.Println(string(resBody))
		assert.Equal(t, fiber.StatusCreated, statusCode)

		var response map[string]string
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fastLink = response["fastlink"]
		fmt.Println(response["fastlink"])
	})

	t.Run("CreateFastLink-missing promoCodeID", func(t *testing.T) {
		req := client.Post(BaseUrl+"/promocode/fastlink").Set("Content-Type", "application/json").Body([]byte(`{}`))

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})

	t.Run("CreateFastLink-promocode not found", func(t *testing.T) {
		reqBody := map[string]string{"id": primitive.NewObjectID().Hex()}

		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/fastlink").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusNotFound, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
}

// GetPromoCodesList
func TestGetPromoCodesList(t *testing.T) {
	client := fiber.AcquireClient()

	t.Run("GetPromoCodesList-success", func(t *testing.T) {
		reqBody := models.GetPromoCodesListReq{
			Page:  0,
			Limit: 10,
			Filter: models.GetPromoCodesListReqFilter{
				Text:   "example",
				Active: true,
			},
		}

		reqJSON, _ := json.Marshal(reqBody)
		req := client.Post(BaseUrl+"/promocode/getList").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		assert.Equal(t, fiber.StatusOK, statusCode)

		var response models.GetPromoCodesListResp
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response)
	})

	t.Run("GetPromoCodesList-invalid request payload", func(t *testing.T) {
		req := client.Post(BaseUrl+"/promocode/getList").Set("Content-Type", "application/json").Body([]byte("invalid json"))

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
}

// ActivatePromoCode
func TestActivatePromoCode(t *testing.T) {
	client := fiber.AcquireClient()
	jwtUtil := helpers.InitializeJWT()
	token, tokenErr := jwtUtil.Create(ExampleUserID)
	fmt.Println(token)
	if isNoError := assert.NoError(t, tokenErr); !isNoError {
		return
	}
	t.Run("ActivatePromoCode-success codeword", func(t *testing.T) {
		reqBody := models.ActivateReq{
			Codeword: "example",
		}

		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/activate").Set("Content-Type", "application/json").Set("Authorization", "Bearer "+token).Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}

		fmt.Println(string(resBody))

		assert.Equal(t, fiber.StatusOK, statusCode)
		fmt.Println(statusCode)
		var response models.ActivateResp
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response)
	})

	t.Run("ActivatePromoCode-success fastLink", func(t *testing.T) {
		reqBody := models.ActivateReq{
			FastLink: fastLink,
		}

		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/activate").Set("Content-Type", "application/json").Set("Authorization", "Bearer "+token).Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}

		assert.Equal(t, fiber.StatusOK, statusCode)
		var response models.ActivateResp
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response)
	})

	t.Run("ActivatePromoCode-missing userid", func(t *testing.T) {
		reqBody := models.ActivateReq{
			Codeword: "example",
		}
		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/activate").Set("Content-Type", "application/json").Set("Authorization", "Bearer "+token).Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})

	t.Run("ActivatePromoCode-missing codeword and fastlink", func(t *testing.T) {

		req := client.Post(BaseUrl+"/promocode/activate").Set("Content-Type", "application/json").Set("Authorization", "Bearer "+token).Body(nil)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusBadRequest, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})

	t.Run("ActivatePromoCode-promocode not found", func(t *testing.T) {
		reqBody := models.ActivateReq{
			Codeword: "none",
		}

		reqJSON, _ := json.Marshal(reqBody)

		req := client.Post(BaseUrl+"/promocode/activate").Set("Content-Type", "application/json").Set("Authorization", "Bearer "+token).Body(reqJSON)
		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusNotFound, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
}

// GetPromoStats
func TestGetPromoStats(t *testing.T) {
	client := fiber.AcquireClient()

	t.Run("GetAllStats", func(t *testing.T) {

		reqBody := struct {
			PromoCodeID string `json:"id"`
		}{
			PromoCodeID: promoID,
		}

		reqJSON, _ := json.Marshal(reqBody)
		req := client.Get(BaseUrl+"/promocode/stats").Set("Content-Type", "application/json").Body(reqJSON)

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}
		assert.Equal(t, fiber.StatusOK, statusCode)

		var response []models.PromoCodeStats
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response)
	})
}

// DeletePromoCode
func TestDeletePromoCode(t *testing.T) {
	client := fiber.AcquireClient()

	t.Run("DeletePromoCode-success", func(t *testing.T) {

		req := client.Delete(BaseUrl + "/promocode/" + promoID)

		statusCode, _, errs := req.Bytes()
		if len(errs) != 0 {
			assert.NoError(t, errs[0])
		}

		assert.Equal(t, fiber.StatusOK, statusCode)
	})

	t.Run("DeletePromoCode-promocode not found", func(t *testing.T) {

		req := client.Delete(BaseUrl + "/promocode/" + primitive.NewObjectID().Hex())

		statusCode, resBody, errs := req.Bytes()
		if len(errs) != 0 {
			assert.Error(t, errs[0])
		}

		assert.Equal(t, fiber.StatusNotFound, statusCode)

		var response map[string]interface{}
		err := json.Unmarshal(resBody, &response)
		assert.NoError(t, err)
		fmt.Println(response["error"])
	})
}