import _ from 'lodash'
import { Type, type Static, type FastifyPluginCallbackTypebox } from '@fastify/type-provider-typebox'
import knex from '../../lib/knex.ts'

const resultRoutes: FastifyPluginCallbackTypebox = (fastify, _, done) => {
  fastify.route({
    url: '/',
    method: 'GET',
    async handler() {
      const years = await knex('financialYear').select('*')

      const accounts = await knex('account').select('*')

      return Promise.all(
        years.map((year) =>
          knex('account AS a')
            .select('a.number', 'a.description')
            .sum('t.amount as amount')
            .innerJoin('transaction AS t', function () {
              this.on('t.accountNumber', '=', 'a.number')
            })
            .innerJoin('entry AS e', function () {
              this.on('t.entryId', '=', 'e.id')
            })
            .groupBy('a.number', 'a.description')
            .where('a.number', '>=', 3000)
            .where('e.financialYearId', year.id)
            .orderBy('a.number')
            .then((result) => ({
              startDate: year.startDate,
              endDate: year.endDate,
              result,
            })),
        ),
      ).then((years) => ({
        accounts,
        years,
      }))
    },
  })

  fastify.route({
    url: '/:year',
    method: 'GET',
    schema: {
      params: Type.Object({
        year: Type.Number(),
      }),
    },
    async handler(req) {
      const year = await knex('financialYear').first('*').where('year', req.params.year)

      if (!year) return null

      return knex('transaction AS t')
        .select('t.accountNumber', 'a.description')
        .sum('t.amount as amount')
        .innerJoin('account AS a', function () {
          this.on('t.accountNumber', '=', 'a.number')
        })
        .innerJoin('entry AS e', function () {
          this.on('t.entryId', '=', 'e.id')
        })
        .groupBy('t.accountNumber', 'a.description')
        .where('t.accountNumber', '>=', 3000)
        .where('e.financialYearId', year.id)
        .orderBy('t.accountNumber')
    },
  })

  done()
}

export default resultRoutes