import { type FastifyPluginCallback } from 'fastify'
import knex from '../lib/knex.ts'

const apiRoutes: FastifyPluginCallback = (fastify, _, done) => {
  fastify.route({
    url: '/result',
    method: 'GET',
    async handler(req, res) {
      const years = await knex('financialYear').select('*')

      return Promise.all(
        years.map((year) =>
          knex('account')
            .select('account.number', 'account.description')
            .sum('transaction.amount as amount')
            .innerJoin('transaction', function () {
              this.on('transaction.accountNumber', '=', 'account.number')
            })
            .innerJoin('entry', function () {
              this.on('transaction.entryId', '=', 'entry.id')
            })
            .groupBy('account.number', 'account.description')
            .where('account.number', '>=', 3000)
            .where('entry.financialYearId', year.id)
            .orderBy('account.number')
            .then((result) => ({
              startDate: year.startDate,
              endDate: year.endDate,
              result,
            })),
        ),
      )
    },
  })

  fastify.route({
    url: '/result/:year',
    method: 'GET',
    async handler(req, res) {
      const year = await knex('financialYear').first('*').where('startDate', `${req.params.year}0101`)

      const result = await knex('account')
        .select('account.number', 'account.description')
        .sum('transaction.amount as amount')
        .innerJoin('transaction', function () {
          this.on('transaction.accountNumber', '=', 'account.number')
        })
        .innerJoin('entry', function () {
          this.on('transaction.entryId', '=', 'entry.id')
        })
        .groupBy('account.number', 'account.description')
        .where('account.number', '>=', 3000)
        .where('entry.financialYearId', year.id)
        .orderBy('account.number')

      return result
    },
  })

  done()
}

export default apiRoutes