const express = require('express');
const logger = require('./app/logger');
const swaggerUI = require('swagger-ui-express');
const swaggerJSDocs = require('swagger-jsdoc');

const port = process.env.PORT || 3000;

const definition = {
  "swagger": "2.0",
  "info": {
    "version": "0.0.4",
    "title": "flutterwave-transfer-micro",
    "description": "A microservice to handle flitterware payment services"
  },
  "host": "localhost:3000",
  "basePath": "/",
  "tags": [],
  "schemes": [
    "http"
  ],
  "consumes": ['application/json'],
  "produces": ['application/json'],
  "paths": {
    "/about": {
      "get": {
        "tags": [],
        "description": "About the microservice (service status)",
        "parameters": [],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/create": {
      "post": {
        "tags": [],
        "description": "Create new transfer",
        "produces": [
          "application/json"
        ],
	"parameters": [{
	  "name":"transfer",
	  "in": "body",
	  "description": "Transfer to create",
	  "required": true,
	  "type":"object",
	  "schema": {
              "$ref": "#/definitions/NewTransfer"
          },
	  "example": {
            "account_bank": "044",
            "account_number": "0690000040",
            "amount": 5500,
	    "narration": "Akhlm Pstmn Trnsfr xx007",
            "currency": "NGN",
            "reference": "akhlm-pstmnpyt-rfxx007_PMCKDU_1",
            "debit_currency": "NGN"
	  }
	}],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    },
    "/status/{id}": {
      "get": {
        "tags": [],
        "description": "Get transfer status",
        "parameters": [
          {
            "name": "id",
            "in": "path",
            "required": true,
            "type": "string"
          }
        ],
        "responses": {
          "200": {
            "description": "OK"
          }
        }
      }
    }
  },
  "definitions": {
    "NewTransfer": {
      "type": "object",
      "required": [
        "account_bank",
	"account_number",
	"amount",
	"narration",
	"currency",
	"reference",
	"debit_currency"
      ],
      "properties": {
        "account_bank": {
          "type": "string"
        },
        "account_number": {
          "type": "string"
        },
	"amount": {
          "type": "integer"
        },
        "narration": {
          "type": "string"
        },
	"currency": {
          "type": "string"
        },
        "reference": {
          "type": "string"
        },
        "debit_currency": {
          "type": "string"
        }
      }
    },
  }
};

const options = {
  definition,
  apis: ['./server.js'],
};

const swaggerSpec = swaggerJSDocs(options);

const app = express();

app.get('/swagger.json', (req, res) => {
  res.setHeader('Content-Type', 'application/json');
  res.send(swaggerSpec);
});
app.use('/api-docs', swaggerUI.serve, swaggerUI.setup(swaggerSpec));

app.use(express.json());
app.use(express.urlencoded());

const routes = require('./api/routes');
routes(app);

app.listen(port, "0.0.0.0", function() {
   logger.info('***** Server started on port: ' + port + ' *****');
});