'use strict'
const appRoot = require( 'app-root-path' )
const knex = require( `${appRoot}/db/knex` )

module.exports = {

  async getTotalStreamCount() {
    const query = 'SELECT COUNT(*) FROM streams'
    const result = await knex.raw( query )
    return parseInt( result.rows[0].count )
  },

  async getTotalCommitCount() {
    const query = 'SELECT COUNT(*) FROM commits'
    const result = await knex.raw( query )
    return parseInt( result.rows[0].count )
  },

  async getTotalObjectCount() {
    const query = 'SELECT COUNT(*) FROM objects'
    const result = await knex.raw( query )
    return parseInt( result.rows[0].count )
  },

  async getTotalUserCount() {
    const query = 'SELECT COUNT(*) FROM users'
    const result = await knex.raw( query )
    return parseInt( result.rows[0].count )
  },

  async getStreamHistory() {
    const query = `
    SELECT
      DATE_TRUNC('month', streams. "createdAt") AS created_month,
      COUNT(id) AS count
    FROM
      streams
    GROUP BY
      DATE_TRUNC('month', streams. "createdAt")
    `

    const result = await knex.raw( query )
    result.rows.forEach( row => row.count = parseInt( row.count ) )
    return result.rows
  },

  async getCommitHistory() {
    const query = `
    SELECT
      DATE_TRUNC('month', commits. "createdAt") AS created_month,
      COUNT(id) AS count
    FROM
      commits
    GROUP BY
      DATE_TRUNC('month', commits. "createdAt")
    `
    const result = await knex.raw( query )
    result.rows.forEach( row => row.count = parseInt( row.count ) )
    return result.rows
  },

  async getObjectHistory() {
    const query = `
    SELECT
      DATE_TRUNC('month', objects. "createdAt") AS created_month,
      COUNT(id) AS count
    FROM
      objects
    GROUP BY
      DATE_TRUNC('month', objects. "createdAt")
    `
    const result = await knex.raw( query )
    result.rows.forEach( row => row.count = parseInt( row.count ) )
    return result.rows

  },

  async getUserHistory() {
    const query = `
    SELECT
      DATE_TRUNC('month', users. "createdAt") AS created_month,
      COUNT(id) AS count
    FROM
      users
    GROUP BY
      DATE_TRUNC('month', users. "createdAt")
    `
    const result = await knex.raw( query )
    result.rows.forEach( row => row.count = parseInt( row.count ) )
    return result.rows
  },

}