import { Controller, Get, Param, UsePipes, Query, Headers, Body, Post, Header } from '@nestjs/common';
import { AppService } from './app.service';
import { JoiValidationPipe } from './pipes/validation.pipe';
import * as Joi from 'joi';

const schema = {
    query: {
      type: Joi.number(),
    },
    body: {
      example: Joi.number().required(),
    },
    param: {
      id: Joi.string().min(3).max(30).required(),
    },
    custom: {
      // shold have this format
      headers: {
        'x-token': Joi.string().required(),
      },
      options: {
        allowUnknown: true,
      },
    },
};

import { createParamDecorator } from '@nestjs/common';

export const HeadersCustom = createParamDecorator((data: object, req) => {
  return { ...req.headers, ...data };
});

@Controller()
export class AppController {
  constructor(private readonly appService: AppService) {}

  @Get()
  getHello(): string {
    return this.appService.getHello();
  }

  @Get(':id')
  findOne(
    @Param(new JoiValidationPipe(schema)) all,
    @Query(new JoiValidationPipe(schema)) query): string {
    return `params: #${JSON.stringify(all)}.. query: #${JSON.stringify(query)}`;
  }

  @Post('/create/:id')
  create(
    @Param(new JoiValidationPipe(schema)) all,
    @Body(new JoiValidationPipe(schema)) body): string {
    return `params: #${JSON.stringify(all)}.. body: #${JSON.stringify(body)}`;
  }

  @Post('/create2/:id')
  @UsePipes(new JoiValidationPipe(schema))
  create2(
    @Param() all,
    @Body() body,
    @Query() query,
    @HeadersCustom() headers): string {
    return `params: #${JSON.stringify(all)}.. body: #${JSON.stringify(body)} ... header: #${JSON.stringify(headers)}`;
  }

}