From 655f988890f00de7364ffd1bb5d372c016b415ca Mon Sep 17 00:00:00 2001
From: Matt Hill <mattnine@protonmail.com>
Date: Wed, 19 Mar 2025 09:58:44 -0600
Subject: [PATCH] also do 8949 for fifo

---
 fifo/index.js | 79 +++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)

diff --git a/fifo/index.js b/fifo/index.js
index 0ec1964..36a9d85 100644
--- a/fifo/index.js
+++ b/fifo/index.js
@@ -2,6 +2,8 @@ const csvToJson = require('convert-csv-to-json')
 const converter = require('json-2-csv')
 const fs = require('fs')
 const BN = require('bignumber.js')
+const { PDFDocument } = require('pdf-lib')
+const year = 2024
 
 const txs = csvToJson.fieldDelimiter(',').getJsonFromCsv(`../Ledger.csv`)
 let lots = []
@@ -111,3 +113,80 @@ converter.json2csv(dispositions).then(csv =>
 converter.json2csv(balances).then(csv =>
 	fs.appendFileSync(`./balances.csv`, csv)
 )
+
+// **** 8949 ****
+
+const getDate = (date) => {
+  const dateObj = new Date(date)
+  const month = dateObj.getMonth() + 1
+  const day = dateObj.getDate()
+  const year = dateObj.getFullYear()
+
+  return month + "/" + day + "/" + year;
+}
+
+const fillFormRows = (form, page, disposition, i) => {
+  const dateAcquired = getDate(disposition.DateAcquired)
+  const dateSold = getDate(disposition.Date)
+
+  const name = `topmostSubform[0].Page${page}[0].Table_Line1[0].Row${i + 1}[0].f${page}_`
+  form.getTextField(`${name}${i * 8 + 3}[0]`).setText(disposition.Asset)
+  form.getTextField(`${name}${i * 8 + 4}[0]`).setText(dateAcquired)
+  form.getTextField(`${name}${i * 8 + 5}[0]`).setText(dateSold)
+  form.getTextField(`${name}${i * 8 + 6}[0]`).setText(disposition.Proceeds.toString())
+  form.getTextField(`${name}${i * 8 + 7}[0]`).setText(disposition.CostBasis.toString())
+  form.getTextField(`${name}${i * 8 + 10}[0]`).setText(disposition.GainLoss.toString())
+}
+
+const fillFormTotals = (form, page, proceeds, basis) => {
+  form.getTextField(`topmostSubform[0].Page${page}[0].f${page}_115[0]`).setText(proceeds.toFixed(2))
+  form.getTextField(`topmostSubform[0].Page${page}[0].f${page}_116[0]`).setText(basis.toFixed(2))
+  form.getTextField(`topmostSubform[0].Page${page}[0].f${page}_119[0]`).setText(proceeds.minus(basis).toFixed(2))
+}
+
+const createPDF = async () => {
+  const pdfDoc = await PDFDocument.create()
+  
+  const stDispositions = dispositions.filter(d => d.ShortTerm && new Date(d.Date).getFullYear() === year)
+  const ltDispositions = dispositions.filter(d => !d.ShortTerm  && new Date(d.Date).getFullYear() === year)
+  
+  const maxTxs = Math.max(stDispositions.length, ltDispositions.length)
+  const numPages = Math.ceil(maxTxs / 14)
+  
+  for (let i = 0; i < numPages; i++) {
+    const blank8949Bytes = fs.readFileSync('../' + year + '-f8949.pdf')
+    const blank8949 = await PDFDocument.load(blank8949Bytes)
+    const form = blank8949.getForm()
+    const start = i * 14
+    // short term
+    const st = stDispositions.slice(start, start + 14)
+    const stTotals = st.reduce((totals, d, i) => {
+      fillFormRows(form, 1, d, i)
+      totals.proceeds = totals.proceeds.plus(d.Proceeds)
+      totals.basis = totals.basis.plus(d.CostBasis)
+      return totals
+    }, { proceeds: new BN(0), basis: new BN(0) })
+    fillFormTotals(form, 1, stTotals.proceeds, stTotals.basis)
+    // long term
+    const lt = ltDispositions.slice(start, start + 14)
+    const ltTotals = lt.reduce((totals, d, i) => {
+      fillFormRows(form, 2, d, i)
+      totals.proceeds = totals.proceeds.plus(d.Proceeds)
+      totals.basis = totals.basis.plus(d.CostBasis)
+      return totals
+    }, { proceeds: new BN(0), basis: new BN(0) })
+    fillFormTotals(form, 2, ltTotals.proceeds, ltTotals.basis)
+
+    await blank8949.save()
+
+    const [page1, page2] = await pdfDoc.copyPages(blank8949, [0,1])
+    pdfDoc.addPage(page1)
+    pdfDoc.addPage(page2)
+  }
+  
+  const pdfBytes = await pdfDoc.save()
+
+  fs.writeFileSync(`./8949.pdf`, pdfBytes)
+}
+
+createPDF()