/*
 *  ============LICENSE_START=======================================================
 *  Copyright (C) 2024 Nordix Foundation
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 *  Licensed under the Apache License, Version 2.0 (the 'License');
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an 'AS IS' BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
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 *  SPDX-License-Identifier: Apache-2.0
 *  ============LICENSE_END=========================================================
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package org.onap.cps.integration.functional

import java.time.Duration
import org.onap.cps.integration.base.CpsIntegrationSpecBase
import org.springframework.http.HttpHeaders
import org.springframework.http.HttpStatus
import org.springframework.http.MediaType
import org.springframework.test.web.client.match.MockRestRequestMatchers

import static org.springframework.http.HttpMethod.GET
import static org.springframework.http.HttpMethod.DELETE
import static org.springframework.http.HttpMethod.PATCH
import static org.springframework.http.HttpMethod.POST
import static org.springframework.http.HttpMethod.PUT
import static org.springframework.test.web.client.match.MockRestRequestMatchers.method
import static org.springframework.test.web.client.match.MockRestRequestMatchers.requestTo
import static org.springframework.test.web.client.response.MockRestResponseCreators.withStatus
import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.request
import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status

class NcmpBearerTokenPassthroughSpec extends CpsIntegrationSpecBase {

    static final MODULE_REFERENCES_RESPONSE = readResourceDataFile('mock-dmi-responses/bookStoreAWithModules_M1_M2_Response.json')
    static final MODULE_RESOURCES_RESPONSE = readResourceDataFile('mock-dmi-responses/bookStoreAWithModules_M1_M2_ResourcesResponse.json')

    def setup() {
        mockDmiWillRespondToHealthChecks(DMI_URL)
        mockDmiResponsesForModuleSync(DMI_URL, 'ch-1', MODULE_REFERENCES_RESPONSE, MODULE_RESOURCES_RESPONSE)
        registerCmHandle(DMI_URL, 'ch-1', NO_MODULE_SET_TAG)
        mockDmiServer.reset()
        mockDmiWillRespondToHealthChecks(DMI_URL)
    }

    def cleanup() {
        deregisterCmHandle(DMI_URL, 'ch-1')
    }

    def 'Bearer token is passed from NCMP to DMI in pass-through data operations.'() {
        given: 'DMI will expect to receive a request with a bearer token'
            def targetDmiUrl = "$DMI_URL/dmi/v1/ch/ch-1/data/ds/ncmp-datastore:passthrough-running?resourceIdentifier=my-resource-id"
            mockDmiServer.expect(requestTo(targetDmiUrl))
                    .andExpect(MockRestRequestMatchers.header(HttpHeaders.AUTHORIZATION, 'Bearer some-bearer-token'))
                    .andRespond(withStatus(HttpStatus.OK).contentType(MediaType.APPLICATION_JSON))

        when: 'a pass-through data request is sent to NCMP with a bearer token'
            mvc.perform(request(httpMethod, '/ncmp/v1/ch/ch-1/data/ds/ncmp-datastore:passthrough-running')
                    .queryParam('resourceIdentifier', 'my-resource-id')
                    .contentType(MediaType.APPLICATION_JSON)
                    .content('{ "some-json": "data" }')
                    .header(HttpHeaders.AUTHORIZATION, 'Bearer some-bearer-token'))
                    .andExpect(status().is2xxSuccessful())

        then: 'DMI has received request with bearer token'
            mockDmiServer.verify()

        where: 'all HTTP operations are applied'
            httpMethod << [GET, POST, PUT, PATCH, DELETE]
    }

    def 'Basic auth header is NOT passed from NCMP to DMI in pass-through data operations.'() {
        given: 'DMI will expect to receive a request with no authorization header'
            def targetDmiUrl = "$DMI_URL/dmi/v1/ch/ch-1/data/ds/ncmp-datastore:passthrough-running?resourceIdentifier=my-resource-id"
            mockDmiServer.expect(requestTo(targetDmiUrl))
                    .andExpect(MockRestRequestMatchers.headerDoesNotExist(HttpHeaders.AUTHORIZATION))
                    .andRespond(withStatus(HttpStatus.OK).contentType(MediaType.APPLICATION_JSON))

        when: 'a pass-through data request is sent to NCMP with basic authentication'
            mvc.perform(request(httpMethod, '/ncmp/v1/ch/ch-1/data/ds/ncmp-datastore:passthrough-running')
                    .queryParam('resourceIdentifier', 'my-resource-id')
                    .contentType(MediaType.APPLICATION_JSON)
                    .content('{ "some-json": "data" }')
                    .header(HttpHeaders.AUTHORIZATION, 'Basic Y3BzdXNlcjpjcHNyMGNrcyE='))
                    .andExpect(status().is2xxSuccessful())

        then: 'DMI has received request with no authorization header'
            mockDmiServer.verify()

        where: 'all HTTP operations are applied'
            httpMethod << [GET, POST, PUT, PATCH, DELETE]
    }

    def 'Bearer token is passed from NCMP to DMI in async batch pass-through data operation.'() {
        given: 'DMI will expect to receive a request with a bearer token'
            mockDmiServer.expect(method(POST))
                    .andExpect(MockRestRequestMatchers.header(HttpHeaders.AUTHORIZATION, 'Bearer some-bearer-token'))
                    .andRespond(withStatus(HttpStatus.OK).contentType(MediaType.APPLICATION_JSON))

        when: 'a pass-through async data request is sent to NCMP with a bearer token'
            def requestBody = """{"operations": [{
                "operation": "read",
                "operationId": "operational-1",
                "datastore": "ncmp-datastore:passthrough-running",
                "resourceIdentifier": "my-resource-id",
                "targetIds": ["ch-1"]
            }]}"""
        mvc.perform(request(POST, '/ncmp/v1/data')
                    .queryParam('topic', 'my-topic')
                    .contentType(MediaType.APPLICATION_JSON)
                    .content(requestBody)
                    .header(HttpHeaders.AUTHORIZATION, 'Bearer some-bearer-token'))
                    .andExpect(status().is2xxSuccessful())

        then: 'DMI will receive the async request with bearer token'
            mockDmiServer.verify(Duration.ofSeconds(1))
    }

}