/* ----------------------------------------------------------------------------

 Question Server
 GitLab: <https://gitlab.com/MrFry/mrfrys-node-server>

 This program is free software: you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation, either version 3 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program. If not, see <https://www.gnu.org/licenses/>.

 ------------------------------------------------------------------------- */

import { Response } from 'express'

import logger from '../../../utils/logger'
import utils from '../../../utils/utils'
import { Request, SubmoduleData } from '../../../types/basicTypes'

interface Categories {
  [key: string]: {
    name: string
    color: string
  }
}

enum CardState {
  TODO = 'todo',
  INPROGRESS = 'inprogress',
  TESTING = 'testing',
  DONE = 'done',
  INPROD = 'inprod',
  NOTPOSSIBLE = 'notpossible',
}

interface Card {
  id: number
  name: string
  description: string
  category: string
  points: number
  state: CardState
  votes: number[]
}

type Columns = {
  [key in CardState]: {
    name: string
    clickable: boolean
  }
}

interface Groups {
  [key: string]: {
    name: string
    description: string
  }
}

interface Todos {
  categories: Categories
  cards: Card[]
  columns: Columns
  groups: Groups
}

const todosFile = 'data/todos.json'

function setup(data: SubmoduleData): void {
  const { app /* userDB, url, publicdirs, moduleSpecificData */ } = data

  app.get('/voteTodo', (req: Request, res: Response) => {
    logger.LogReq(req)
    const userId = req.session.user.id
    const id: string = req.query.id
    const todos: Todos = utils.ReadJSON(todosFile)

    if (!id) {
      res.json({
        msg: 'id query undefined',
        result: 'not ok',
      })
    }

    const cardIndex = todos.cards.findIndex((currcard) => {
      return currcard.id === parseInt(id)
    })
    if (cardIndex === -1) {
      res.json({
        msg: 'card not found',
        result: 'not ok',
      })
      return
    }

    const ind = todos.cards[cardIndex].votes.indexOf(userId)
    if (ind === -1) {
      todos.cards[cardIndex].votes.push(userId)
    } else {
      todos.cards[cardIndex].votes.splice(ind, 1)
    }

    utils.WriteFile(JSON.stringify(todos, null, 2), todosFile)
    res.json({
      todos: todos,
      userId: userId,
      msg: 'updated',
      result: 'ok',
    })
  })

  app.get('/todos', (req: Request, res: Response) => {
    logger.LogReq(req)
    const userId = req.session.user.id
    const todos = utils.ReadJSON(todosFile)

    res.json({
      todos: todos,
      userId: userId,
      result: 'ok',
    })
  })
}

export default {
  setup: setup,
}