/*
 * Copyright © 2019 Bell Canada Intellectual Property.
 * Modifications Copyright © 2019 IBM.
 *
 * 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.
 */

package org.onap.ccsdk.cds.blueprintsprocessor.designer.api

import io.swagger.annotations.ApiOperation
import io.swagger.annotations.ApiParam
import kotlinx.coroutines.runBlocking
import org.onap.ccsdk.cds.blueprintsprocessor.db.primary.domain.BlueprintModelSearch
import org.onap.ccsdk.cds.blueprintsprocessor.designer.api.handler.BluePrintModelHandler
import org.onap.ccsdk.cds.controllerblueprints.core.BluePrintException
import org.springframework.core.io.Resource
import org.springframework.http.MediaType
import org.springframework.http.ResponseEntity
import org.springframework.http.codec.multipart.FilePart
import org.springframework.security.access.prepost.PreAuthorize
import org.springframework.web.bind.annotation.*

/**
 * BlueprintModelController Purpose: Handle controllerBlueprint API request
 *
 * @author Vinal Patel
 * @version 1.0
 */
@RestController
@RequestMapping("/api/v1/blueprint-model")
open class BlueprintModelController(private val bluePrintModelHandler: BluePrintModelHandler) {

    @PostMapping("", produces = [MediaType.APPLICATION_JSON_VALUE], consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
    @ResponseBody
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun saveBlueprint(@RequestPart("file") filePart: FilePart): BlueprintModelSearch = runBlocking {
        bluePrintModelHandler.saveBlueprintModel(filePart)
    }

    @GetMapping("", produces = [MediaType.APPLICATION_JSON_VALUE])
    @ResponseBody
    @PreAuthorize("hasRole('USER')")
    fun allBlueprintModel(): List<BlueprintModelSearch> {
        return this.bluePrintModelHandler.allBlueprintModel()
    }

    @DeleteMapping("/{id}")
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun deleteBlueprint(@PathVariable(value = "id") id: String) {
        this.bluePrintModelHandler.deleteBlueprintModel(id)
    }

    @GetMapping("/by-name/{name}/version/{version}", produces = [MediaType.APPLICATION_JSON_VALUE])
    @ResponseBody
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun getBlueprintByNameAndVersion(@PathVariable(value = "name") name: String,
                                     @PathVariable(value = "version") version: String): BlueprintModelSearch {
        return this.bluePrintModelHandler.getBlueprintModelSearchByNameAndVersion(name, version)
    }

    @GetMapping("/download/by-name/{name}/version/{version}", produces = [MediaType.APPLICATION_JSON_VALUE])
    @ResponseBody
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun downloadBlueprintByNameAndVersion(@PathVariable(value = "name") name: String,
                                          @PathVariable(value = "version") version: String): ResponseEntity<Resource> {
        return this.bluePrintModelHandler.downloadBlueprintModelFileByNameAndVersion(name, version)
    }

    @GetMapping("/{id}", produces = [MediaType.APPLICATION_JSON_VALUE])
    @ResponseBody
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun getBlueprintModel(@PathVariable(value = "id") id: String): BlueprintModelSearch {
        return this.bluePrintModelHandler.getBlueprintModelSearch(id)
    }

    @GetMapping("/download/{id}", produces = [MediaType.APPLICATION_JSON_VALUE])
    @ResponseBody
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun downloadBluePrint(@PathVariable(value = "id") id: String): ResponseEntity<Resource> {
        return this.bluePrintModelHandler.downloadBlueprintModelFile(id)
    }

    @PostMapping("/enrich", produces = [MediaType.APPLICATION_JSON_VALUE], consumes = [MediaType
            .MULTIPART_FORM_DATA_VALUE])
    @ResponseBody
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun enrichBlueprint(@RequestPart("file") file: FilePart): ResponseEntity<Resource> = runBlocking {
        bluePrintModelHandler.enrichBlueprint(file)
    }

    @PostMapping("/publish", produces = [MediaType.APPLICATION_JSON_VALUE])
    @ResponseBody
    @Throws(BluePrintException::class)
    @PreAuthorize("hasRole('USER')")
    fun publishBlueprint(@RequestPart("file") file: FilePart): BlueprintModelSearch = runBlocking {
        bluePrintModelHandler.publishBlueprint(file)
    }

    @GetMapping("/search/{tags}", produces = [MediaType.APPLICATION_JSON_VALUE])
    @ResponseBody
    @PreAuthorize("hasRole('USER')")
    fun searchBlueprintModels(@PathVariable(value = "tags") tags: String): List<BlueprintModelSearch> {
        return this.bluePrintModelHandler.searchBlueprintModels(tags)
    }

    @DeleteMapping("/name/{name}/version/{version}")
    @ApiOperation(value = "Delete a CBA",
            notes = "Delete the CBA package identified by its name and version.",
            produces = MediaType.APPLICATION_JSON_VALUE)
    @PreAuthorize("hasRole('USER')")
    fun deleteBlueprint(@ApiParam(value = "Name of the CBA.", required = true)
                        @PathVariable(value = "name") name: String,
                        @ApiParam(value = "Version of the CBA.", required = true)
                        @PathVariable(value = "version") version: String) = runBlocking {
        bluePrintModelHandler.deleteBlueprintModel(name, version)
    }
}
