/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.fineract.cn.accounting.service.rest;

import org.apache.fineract.cn.accounting.api.v1.PermittableGroupIds;
import org.apache.fineract.cn.accounting.api.v1.domain.TransactionType;
import org.apache.fineract.cn.accounting.api.v1.domain.TransactionTypePage;
import org.apache.fineract.cn.accounting.service.internal.command.ChangeTransactionTypeCommand;
import org.apache.fineract.cn.accounting.service.internal.command.CreateTransactionTypeCommand;
import org.apache.fineract.cn.accounting.service.internal.service.TransactionTypeService;
import org.apache.fineract.cn.accounting.service.rest.paging.PageableBuilder;
import javax.validation.Valid;
import org.apache.fineract.cn.anubis.annotation.AcceptedTokenType;
import org.apache.fineract.cn.anubis.annotation.Permittable;
import org.apache.fineract.cn.command.gateway.CommandGateway;
import org.apache.fineract.cn.lang.ServiceException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.bind.annotation.RestController;

@SuppressWarnings("unused")
@RestController
@RequestMapping("/transactiontypes")
public class TransactionTypeRestController {

  private final CommandGateway commandGateway;
  private final TransactionTypeService transactionTypeService;

  @Autowired
  public TransactionTypeRestController(final CommandGateway commandGateway,
                                       final TransactionTypeService transactionTypeService) {
    super();
    this.commandGateway = commandGateway;
    this.transactionTypeService = transactionTypeService;
  }

  @Permittable(value = AcceptedTokenType.TENANT, groupId = PermittableGroupIds.THOTH_TX_TYPES)
  @RequestMapping(
      value = "",
      method = RequestMethod.POST,
      produces = {MediaType.APPLICATION_JSON_VALUE},
      consumes = {MediaType.APPLICATION_JSON_VALUE}
  )
  @ResponseBody
  ResponseEntity<Void> createTransactionType(@RequestBody @Valid final TransactionType transactionType) {
    if (this.transactionTypeService.findByIdentifier(transactionType.getCode()).isPresent()) {
      throw ServiceException.conflict("Transaction type '{0}' already exists.", transactionType.getCode());
    }

    this.commandGateway.process(new CreateTransactionTypeCommand(transactionType));
    return ResponseEntity.accepted().build();
  }


  @Permittable(value = AcceptedTokenType.TENANT, groupId = PermittableGroupIds.THOTH_TX_TYPES)
  @RequestMapping(
      value = "",
      method = RequestMethod.GET,
      produces = {MediaType.APPLICATION_JSON_VALUE},
      consumes = {MediaType.ALL_VALUE}
  )
  @ResponseBody
  ResponseEntity<TransactionTypePage> fetchTransactionTypes(@RequestParam(value = "term", required = false) final String term,
                                                            @RequestParam(value = "pageIndex", required = false) final Integer pageIndex,
                                                            @RequestParam(value = "size", required = false) final Integer size,
                                                            @RequestParam(value = "sortColumn", required = false) final String sortColumn,
                                                            @RequestParam(value = "sortDirection", required = false) final String sortDirection) {
    final String column2sort = "code".equalsIgnoreCase(sortColumn) ? "identifier" : sortColumn;
    return ResponseEntity.ok(
        this.transactionTypeService.fetchTransactionTypes(term,
            PageableBuilder.create(pageIndex, size, column2sort, sortDirection)));
  }

  @Permittable(value = AcceptedTokenType.TENANT, groupId = PermittableGroupIds.THOTH_TX_TYPES)
  @RequestMapping(
      value = "/{code}",
      method = RequestMethod.PUT,
      produces = {MediaType.APPLICATION_JSON_VALUE},
      consumes = {MediaType.APPLICATION_JSON_VALUE}
  )
  @ResponseBody
  ResponseEntity<Void> changeTransactionType(@PathVariable("code") final String code,
                                             @RequestBody @Valid final TransactionType transactionType) {
    if (!code.equals(transactionType.getCode())) {
      throw ServiceException.badRequest("Given transaction type {0} must match request path.", code);
    }

    if (!this.transactionTypeService.findByIdentifier(code).isPresent()) {
      throw ServiceException.notFound("Transaction type '{0}' not found.", code);
    }

    this.commandGateway.process(new ChangeTransactionTypeCommand(transactionType));

    return ResponseEntity.accepted().build();
  }

  @Permittable(value = AcceptedTokenType.TENANT, groupId = PermittableGroupIds.THOTH_TX_TYPES)
  @RequestMapping(
      value = "/{code}",
      method = RequestMethod.GET,
      produces = {MediaType.APPLICATION_JSON_VALUE},
      consumes = {MediaType.ALL_VALUE}
  )
  @ResponseBody
  ResponseEntity<TransactionType> findTransactionType(@PathVariable("code") final String code) {
    return ResponseEntity.ok(
        this.transactionTypeService.findByIdentifier(code)
            .orElseThrow(() -> ServiceException.notFound("Transaction type '{0}' not found.", code))
    );
  }
}