"use strict";

// modules
const express = require('express');
const logger = require('debug')('cc:wars');

// HTTP status codes by name
const codes = require('./http-codes');

const routerHandling = require('../middleware/router-handling');

// Mongoose Model using mongoDB
const CampaignModel = require('../models/campaign');
const PlayerModel = require('../models/player');
const WarModel = require('../models/war');

const campaignPlayer = express.Router();

// routes **********************
campaignPlayer.route('/:campaignId/:playerName')
  .get((req, res, next) => {
    CampaignModel.findById(req.params.campaignId, (err, campaign) => {
      if (err) return next(err);
      WarModel.find({campaign: req.params.campaignId}, '_id', (err, wars) => {
        if (err) return next(err);
        const warIds = wars.map((obj) => {
          return obj._id;
        });
        PlayerModel.find({name: req.params.playerName, warId: {"$in": warIds}})
          .populate('warId')
          .exec((err, items) => {
            if (err) return next(err);
            if (!items || items.length === 0) {
              const err = new Error('unknown player name');
              err.status = codes.notfound;
              return next(err)
            }
            res.locals.items = {
              name: req.params.playerName,
              campaign: campaign,
              players: items
            };
            next();
          })
      })
    })
  })

  .all(
    routerHandling.httpMethodNotAllowed
  );


campaignPlayer.use(routerHandling.emptyResponse);

module.exports = campaignPlayer;