package e2e

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

var promoID string

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

	t.Run("CreatePromoCode-success", 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			"outdated": false,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.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			"outdated": false,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
}