package papi

import (
	"context"
	"errors"
	"io"
	"net/http"
	"net/http/httptest"
	"testing"

	"github.com/akamai/AkamaiOPEN-edgegrid-golang/v12/pkg/ptr"
	"github.com/stretchr/testify/assert"
	"github.com/stretchr/testify/require"
)

func TestPapiGetProperties(t *testing.T) {
	tests := map[string]struct {
		request          GetPropertiesRequest
		responseStatus   int
		responseBody     string
		expectedPath     string
		expectedResponse *GetPropertiesResponse
		withError        error
	}{
		"200 OK": {
			request: GetPropertiesRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
			},
			responseStatus: http.StatusOK,
			responseBody: `
{
	"properties": {
		"items": [
			{
				"accountId": "act_1-1TJZFB",
				"contractId": "ctr_1-1TJZH5",
				"groupId": "grp_15166",
				"propertyId": "prp_175780",
				"propertyName": "example.com",
				"latestVersion": 2,
				"stagingVersion": 1,
				"productId": "prp_175780",
				"productionVersion": null,
				"assetId": "aid_101",
				"note": "Notes about example.com"
			}
		]
	}
}`,
			expectedPath: "/papi/v1/properties?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			expectedResponse: &GetPropertiesResponse{
				Properties: PropertiesItems{Items: []*Property{
					{
						AccountID:         "act_1-1TJZFB",
						ContractID:        "ctr_1-1TJZH5",
						GroupID:           "grp_15166",
						PropertyID:        "prp_175780",
						PropertyName:      "example.com",
						LatestVersion:     2,
						StagingVersion:    ptr.To(1),
						ProductionVersion: nil,
						AssetID:           "aid_101",
						Note:              "Notes about example.com",
					},
				}},
			},
		},
		"200 OK - response with propertyType": {
			request: GetPropertiesRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
			},
			responseStatus: http.StatusOK,
			responseBody: `
{
	"properties": {
		"items": [
			{
				"accountId": "act_1-1TJZFB",
				"contractId": "ctr_1-1TJZH5",
				"groupId": "grp_15166",
				"propertyId": "prp_175780",
				"propertyName": "example.com",
				"latestVersion": 2,
				"stagingVersion": 1,
				"productId": "prp_175780",
				"productionVersion": null,
				"assetId": "aid_101",
				"note": "Notes about example.com",
				"propertyType": "HOSTNAME_BUCKET"
			}
		]
	}
}`,
			expectedPath: "/papi/v1/properties?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			expectedResponse: &GetPropertiesResponse{
				Properties: PropertiesItems{Items: []*Property{
					{
						AccountID:         "act_1-1TJZFB",
						ContractID:        "ctr_1-1TJZH5",
						GroupID:           "grp_15166",
						PropertyID:        "prp_175780",
						PropertyName:      "example.com",
						LatestVersion:     2,
						StagingVersion:    ptr.To(1),
						ProductionVersion: nil,
						AssetID:           "aid_101",
						Note:              "Notes about example.com",
						PropertyType:      ptr.To("HOSTNAME_BUCKET"),
					},
				}},
			},
		},
		"500 internal server error": {
			request: GetPropertiesRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
			},
			responseStatus: http.StatusInternalServerError,
			responseBody: `
{
	"type": "internal_error",
    "title": "Internal Server Error",
    "detail": "Error fetching properties",
    "status": 500
}`,
			expectedPath: "/papi/v1/properties?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			withError: &Error{
				Type:       "internal_error",
				Title:      "Internal Server Error",
				Detail:     "Error fetching properties",
				StatusCode: http.StatusInternalServerError,
			},
		},
		"validation error": {
			request: GetPropertiesRequest{
				GroupID: "grp_15166",
			},
			responseStatus: http.StatusInternalServerError,
			withError:      ErrStructValidation,
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				assert.Equal(t, test.expectedPath, r.URL.String())
				assert.Equal(t, http.MethodGet, r.Method)
				w.WriteHeader(test.responseStatus)
				_, err := w.Write([]byte(test.responseBody))
				assert.NoError(t, err)
			}))
			client := mockAPIClient(t, mockServer)
			result, err := client.GetProperties(context.Background(), test.request)
			if test.withError != nil {
				assert.True(t, errors.Is(err, test.withError), "want: %s; got: %s", test.withError, err)
				return
			}
			require.NoError(t, err)
			assert.Equal(t, test.expectedResponse, result)
		})
	}
}

func TestPapiGetProperty(t *testing.T) {
	tests := map[string]struct {
		request          GetPropertyRequest
		responseStatus   int
		responseBody     string
		expectedPath     string
		expectedResponse *GetPropertyResponse
		withError        error
	}{
		"200 OK": {
			request: GetPropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				PropertyID: "prp_175780",
			},
			responseStatus: http.StatusOK,
			responseBody: `
{
	"properties": {
		"items": [
			{
				"accountId": "act_1-1TJZFB",
				"contractId": "ctr_1-1TJZH5",
				"groupId": "grp_15166",
				"propertyId": "prp_175780",
				"propertyName": "example.com",
				"latestVersion": 2,
				"stagingVersion": 1,
				"productionVersion": null,
				"assetId": "aid_101",
				"note": "Notes about example.com"
			}
		]
	}
}`,
			expectedPath: "/papi/v1/properties/prp_175780?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			expectedResponse: &GetPropertyResponse{
				Properties: PropertiesItems{Items: []*Property{
					{
						AccountID:         "act_1-1TJZFB",
						ContractID:        "ctr_1-1TJZH5",
						GroupID:           "grp_15166",
						PropertyID:        "prp_175780",
						PropertyName:      "example.com",
						LatestVersion:     2,
						StagingVersion:    ptr.To(1),
						ProductionVersion: nil,
						AssetID:           "aid_101",
						Note:              "Notes about example.com",
					},
				}},
				Property: &Property{

					AccountID:         "act_1-1TJZFB",
					ContractID:        "ctr_1-1TJZH5",
					GroupID:           "grp_15166",
					PropertyID:        "prp_175780",
					PropertyName:      "example.com",
					LatestVersion:     2,
					StagingVersion:    ptr.To(1),
					ProductionVersion: nil,
					AssetID:           "aid_101",
					Note:              "Notes about example.com",
				}},
		},
		"200 OK - response with propertyType": {
			request: GetPropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				PropertyID: "prp_175780",
			},
			responseStatus: http.StatusOK,
			responseBody: `
{
	"properties": {
		"items": [
			{
				"accountId": "act_1-1TJZFB",
				"contractId": "ctr_1-1TJZH5",
				"groupId": "grp_15166",
				"propertyId": "prp_175780",
				"propertyName": "example.com",
				"latestVersion": 2,
				"stagingVersion": 1,
				"productionVersion": null,
				"assetId": "aid_101",
				"note": "Notes about example.com",
				"propertyType": "HOSTNAME_BUCKET"
			}
		]
	}
}`,
			expectedPath: "/papi/v1/properties/prp_175780?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			expectedResponse: &GetPropertyResponse{
				Properties: PropertiesItems{Items: []*Property{
					{
						AccountID:         "act_1-1TJZFB",
						ContractID:        "ctr_1-1TJZH5",
						GroupID:           "grp_15166",
						PropertyID:        "prp_175780",
						PropertyName:      "example.com",
						LatestVersion:     2,
						StagingVersion:    ptr.To(1),
						ProductionVersion: nil,
						AssetID:           "aid_101",
						Note:              "Notes about example.com",
						PropertyType:      ptr.To("HOSTNAME_BUCKET"),
					},
				}},
				Property: &Property{

					AccountID:         "act_1-1TJZFB",
					ContractID:        "ctr_1-1TJZH5",
					GroupID:           "grp_15166",
					PropertyID:        "prp_175780",
					PropertyName:      "example.com",
					LatestVersion:     2,
					StagingVersion:    ptr.To(1),
					ProductionVersion: nil,
					AssetID:           "aid_101",
					Note:              "Notes about example.com",
					PropertyType:      ptr.To("HOSTNAME_BUCKET"),
				}},
		},
		"Property not found": {
			request: GetPropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				PropertyID: "prp_175780",
			},
			responseStatus: http.StatusOK,
			responseBody: `
{
	"properties": {
		"items": [
		]
	}
}`,
			expectedPath: "/papi/v1/properties/prp_175780?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			withError:    ErrNotFound,
		},
		"500 internal server error": {
			request: GetPropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				PropertyID: "prp_175780",
			},
			responseStatus: http.StatusInternalServerError,
			responseBody: `
{
	"type": "internal_error",
    "title": "Internal Server Error",
    "detail": "Error fetching properties",
    "status": 500
}`,
			expectedPath: "/papi/v1/properties/prp_175780?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			withError: &Error{
				Type:       "internal_error",
				Title:      "Internal Server Error",
				Detail:     "Error fetching properties",
				StatusCode: http.StatusInternalServerError,
			},
		},
		"validation error": {
			request: GetPropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
			},
			withError: ErrStructValidation,
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				assert.Equal(t, test.expectedPath, r.URL.String())
				assert.Equal(t, http.MethodGet, r.Method)
				w.WriteHeader(test.responseStatus)
				_, err := w.Write([]byte(test.responseBody))
				assert.NoError(t, err)
			}))
			client := mockAPIClient(t, mockServer)
			result, err := client.GetProperty(context.Background(), test.request)
			if test.withError != nil {
				assert.True(t, errors.Is(err, test.withError), "want: %s; got: %s", test.withError, err)
				return
			}
			require.NoError(t, err)
			assert.Equal(t, test.expectedResponse, result)
		})
	}
}

func TestPapiCreateProperty(t *testing.T) {
	tests := map[string]struct {
		request             CreatePropertyRequest
		responseStatus      int
		responseBody        string
		expectedPath        string
		expectedRequestBody string
		expectedResponse    *CreatePropertyResponse
		withError           error
	}{
		"201 created": {
			request: CreatePropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				Property: PropertyCreate{
					ProductID:    "prd_Alta",
					PropertyName: "my.new.property.com",
					CloneFrom: &PropertyCloneFrom{
						PropertyID: "prp_1234",
						Version:    1,
					},
				},
			},
			responseStatus: http.StatusCreated,
			responseBody: `
{
	"propertyLink": "/papi/v1/properties/prp_173137?contractId=ctr_1-1TJZH5&groupId=grp_15225"
}`,
			expectedPath:        "/papi/v1/properties?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			expectedRequestBody: `{"productId":"prd_Alta","propertyName":"my.new.property.com","cloneFrom":{"propertyId":"prp_1234","version":1}}`,
			expectedResponse: &CreatePropertyResponse{
				PropertyID:   "prp_173137",
				PropertyLink: "/papi/v1/properties/prp_173137?contractId=ctr_1-1TJZH5&groupId=grp_15225",
			},
		},
		"201 created - with useHostnameBucket set to true": {
			request: CreatePropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				Property: PropertyCreate{
					ProductID:         "prd_Alta",
					PropertyName:      "my.new.property.com",
					UseHostnameBucket: true,
					CloneFrom: &PropertyCloneFrom{
						PropertyID: "prp_1234",
						Version:    1,
					},
				},
			},
			responseStatus: http.StatusCreated,
			responseBody: `
{
	"propertyLink": "/papi/v1/properties/prp_173137?contractId=ctr_1-1TJZH5&groupId=grp_15225"
}`,
			expectedPath:        "/papi/v1/properties?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			expectedRequestBody: `{"productId":"prd_Alta","propertyName":"my.new.property.com","cloneFrom":{"propertyId":"prp_1234","version":1},"useHostnameBucket":true}`,
			expectedResponse: &CreatePropertyResponse{
				PropertyID:   "prp_173137",
				PropertyLink: "/papi/v1/properties/prp_173137?contractId=ctr_1-1TJZH5&groupId=grp_15225",
			},
		},
		"500 internal server error": {
			request: CreatePropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				Property: PropertyCreate{
					ProductID:    "prd_Alta",
					PropertyName: "my.new.property.com",
				},
			},
			responseStatus: http.StatusInternalServerError,
			responseBody: `
{
	"type": "internal_error",
    "title": "Internal Server Error",
    "detail": "Error creating property",
    "status": 500
}`,
			expectedPath: "/papi/v1/properties?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			withError: &Error{
				Type:       "internal_error",
				Title:      "Internal Server Error",
				Detail:     "Error creating property",
				StatusCode: http.StatusInternalServerError,
			},
		},
		"validation error": {
			request: CreatePropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				Property: PropertyCreate{
					ProductID: "prd_Alta",
				},
			},
			withError: ErrStructValidation,
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				assert.Equal(t, test.expectedPath, r.URL.String())
				assert.Equal(t, http.MethodPost, r.Method)
				w.WriteHeader(test.responseStatus)
				_, err := w.Write([]byte(test.responseBody))
				assert.NoError(t, err)

				if test.expectedRequestBody != "" {
					body, err := io.ReadAll(r.Body)
					require.NoError(t, err)
					assert.JSONEq(t, test.expectedRequestBody, string(body))
				}
			}))
			client := mockAPIClient(t, mockServer)
			result, err := client.CreateProperty(context.Background(), test.request)
			if test.withError != nil {
				assert.True(t, errors.Is(err, test.withError), "want: %s; got: %s", test.withError, err)
				return
			}
			require.NoError(t, err)
			assert.Equal(t, test.expectedResponse, result)
		})
	}
}

func TestPapiRemoveProperty(t *testing.T) {
	tests := map[string]struct {
		request          RemovePropertyRequest
		responseStatus   int
		responseBody     string
		expectedPath     string
		expectedResponse *RemovePropertyResponse
		withError        error
	}{
		"200 OK": {
			request: RemovePropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				PropertyID: "prp_175780",
			},
			responseStatus: http.StatusOK,
			responseBody: `
{
	"message": "Deletion Successful."
}`,
			expectedPath: "/papi/v1/properties/prp_175780?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			expectedResponse: &RemovePropertyResponse{
				Message: "Deletion Successful.",
			},
		},
		"500 internal server error": {
			request: RemovePropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				PropertyID: "prp_175780",
			},
			responseStatus: http.StatusInternalServerError,
			responseBody: `
{
	"type": "internal_error",
    "title": "Internal Server Error",
    "detail": "Error removing property",
    "status": 500
}`,
			expectedPath: "/papi/v1/properties/prp_175780?contractId=ctr_1-1TJZFW&groupId=grp_15166",
			withError: &Error{
				Type:       "internal_error",
				Title:      "Internal Server Error",
				Detail:     "Error removing property",
				StatusCode: http.StatusInternalServerError,
			},
		},
		"validation error": {
			request: RemovePropertyRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
			},
			withError: ErrStructValidation,
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				assert.Equal(t, test.expectedPath, r.URL.String())
				assert.Equal(t, http.MethodDelete, r.Method)
				w.WriteHeader(test.responseStatus)
				_, err := w.Write([]byte(test.responseBody))
				assert.NoError(t, err)
			}))
			client := mockAPIClient(t, mockServer)
			result, err := client.RemoveProperty(context.Background(), test.request)
			if test.withError != nil {
				assert.True(t, errors.Is(err, test.withError), "want: %s; got: %s", test.withError, err)
				return
			}
			require.NoError(t, err)
			assert.Equal(t, test.expectedResponse, result)
		})
	}
}

func TestPapiMapPropertyNameToID(t *testing.T) {
	listPropertiesResponse := `
{
	"properties": {
		"items": [
			{
				"accountId": "act_1-1TJZFB",
				"contractId": "ctr_1-1TJZH5",
				"groupId": "grp_15166",
				"propertyId": "prp_175780",
				"propertyName": "example.com",
				"latestVersion": 2,
				"stagingVersion": 1,
				"productId": "prp_175780",
				"productionVersion": null,
				"assetId": "aid_101",
				"note": "Notes about example.com"
			},
			{
				"accountId": "act_1-1TJZFB",
				"contractId": "ctr_1-1TJZH5",
				"groupId": "grp_15166",
				"propertyId": "prp_175781",
				"propertyName": "example2.com",
				"latestVersion": 1,
				"stagingVersion": 1,
				"productId": "prp_175780",
				"productionVersion": null,
				"assetId": "aid_101",
				"note": "Notes about example2.com"
			}
		]
	}
}`
	tests := map[string]struct {
		request          MapPropertyNameToIDRequest
		responseStatus   int
		responseBody     string
		expectedResponse *string
		withError        func(*testing.T, error)
	}{
		"200 OK": {
			request: MapPropertyNameToIDRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				Name:       "example.com",
			},
			responseStatus:   http.StatusOK,
			responseBody:     listPropertiesResponse,
			expectedResponse: ptr.To("prp_175780"),
		},
		"200 property not found": {
			request: MapPropertyNameToIDRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				Name:       "example3.com",
			},
			responseStatus: http.StatusOK,
			responseBody:   listPropertiesResponse,
			withError: func(t *testing.T, err error) {
				assert.True(t, errors.Is(err, ErrNoProperty))
			},
		},
		"500 internal server error": {
			request: MapPropertyNameToIDRequest{
				ContractID: "ctr_1-1TJZFW",
				GroupID:    "grp_15166",
				Name:       "example.com",
			},
			responseStatus: http.StatusInternalServerError,
			responseBody: `
		{
			"type": "internal_error",
		   "title": "Internal Server Error",
		   "detail": "Error fetching properties",
		   "status": 500
		}`,
			withError: func(t *testing.T, err error) {
				assert.Equal(t, err.Error(), `map property by name: fetching properties: API error: 
{
	"type": "internal_error",
	"title": "Internal Server Error",
	"detail": "Error fetching properties",
	"statusCode": 500
}`)
			},
		},
		"validation error": {
			request: MapPropertyNameToIDRequest{},
			withError: func(t *testing.T, err error) {
				assert.Equal(t, err.Error(), "map property by name: struct validation: ContractID: cannot be blank\nGroupID: cannot be blank\nName: cannot be blank")
			},
		},
	}

	for name, test := range tests {
		t.Run(name, func(t *testing.T) {
			mockServer := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
				assert.Equal(t, http.MethodGet, r.Method)
				w.WriteHeader(test.responseStatus)
				_, err := w.Write([]byte(test.responseBody))
				assert.NoError(t, err)
			}))
			client := mockAPIClient(t, mockServer)
			result, err := client.MapPropertyNameToID(context.Background(), test.request)
			if test.withError != nil {
				test.withError(t, err)
				return
			}
			require.NoError(t, err)
			assert.Equal(t, test.expectedResponse, result)
		})
	}
}
