:; shopt -s nullglob expand_aliases || setopt nullglob aliases; alias @set='' @echo='echo'
@echo Indeksator Prosty RAG v0.5 - Jerzy Glowacki na licencji Apache 2.0
:; # Zmienne:
@set embedfile=prosty-rag.embedfile
@set embedmodelfile=multilingual-e5-large-instruct.gguf
@set embedmodelURL=https://huggingface.co/kcccat/multilingual-e5-large-instruct-Q6_K-GGUF/resolve/main/multilingual-e5-large-instruct-q6_k.gguf?download=true
@set inputDir=baza
@set chunksFile=chunks.txt
@set dbFile=prosty-rag.db
@set chunkWords=200
@set overlapWords=10
:; # *NIX:
:; OS=$(uname -s | sed -e 's/^Linux$/linux/' -e 's/^Darwin$/mac/')
:; >$chunksFile
:; # Instalacja
:; [ ! -d $inputDir ] && echo Pobieranie przykładowego pliku $inputDir/wikipedia.txt... && curl --create-dirs -Lo $inputDir/wikipedia.txt https://huggingface.co/jglowa/prosty-rag/resolve/main/baza/wikipedia.txt?download=true && echo Gotowe!
:; [ ! -f $embedfile ] && echo Pobieranie $embedfile... && curl -Lo $embedfile https://github.com/niutech/llamafile/releases/download/0.9.3/embedfile && chmod +x $embedfile && echo Gotowe!
:; [ ! -f "$embedmodelfile" ] && echo Pobieranie $embedmodelfile... && curl -Lo "$embedmodelfile" $embedmodelURL && echo Gotowe!
:; [ ! -f pdftotext ] && echo Pobieranie pdftotext... && curl -LO https://dl.xpdfreader.com/xpdf-tools-$OS-4.05.tar.gz && tar --strip-components 2 -xzf xpdf-tools-$OS-4.05.tar.gz xpdf-tools-$OS-4.05/bin64/pdftotext && rm xpdf-tools-$OS-4.05.tar.gz && echo Gotowe!
:; # Uruchamianie
:; echo "Indeksowanie plików PDF/TXT/MD/CSV w folderze $inputDir..."
:; for pdf in $inputDir/*.pdf; do [ ! -f "${pdf%.pdf}.txt" ] && echo "Konwertowanie $(basename "$pdf")..." && ./pdftotext -nopgbrk -enc UTF-8 "$pdf"; done
:; for csv in $inputDir/*.csv; do [ ! -f "${csv%.csv}.txt" ] && echo "Konwertowanie $(basename "$csv")..." && awk -F, -vFPAT='([^,]*)|("([^"]|"")+")' 'NR==1{for(i=1;i<=NF;i++) h[i]=$i; next} {for(i=1;i<=NF;i++) printf "%s: %s%s", h[i], $i, (i<NF? ", ":".\n")}' "$csv" > "${csv%.csv}.txt"; done
:; for file in $inputDir/*.txt $inputDir/*.md; do
:;   filename=$(basename "$file")
:;   echo "Przetwarzanie $filename..."
:;   IFS=$'\n' read -rd '' -a words < <(tr -s '[:space:]' '\n' '.' < "$file" | grep -v '^$' && printf '\0')
:;   totalWords=${#words[@]}
:;   start=0
:;   while ((start < totalWords)); do
:;     chunk=("${words[@]:start:chunkWords}")
:;     echo "$filename: ${chunk[*]}" >> $chunksFile
:;     ((start += chunkWords - overlapWords))
:;   done
:; done
:; echo "Osadzanie plików w bazie danych..."
:; [ -f $dbFile ] && rm $dbFile
:; ./$embedfile -m $embedmodelfile import $chunksFile $dbFile && ./$embedfile -m $embedmodelfile sh $dbFile "CREATE VIRTUAL TABLE fts_items USING fts5(line, tokenize='porter')" "INSERT INTO fts_items SELECT * FROM items" && echo "Gotowe! Po każdej zmianie w folderze $inputDir należy uruchomić ponownie indeksator."
:; rm $chunksFile; exit $?
:; # Windows:
@echo off
chcp 65001 >nul
title Prosty RAG
setlocal enabledelayedexpansion
for /l %%i in (1,1,%overlapWords%) do set buf[%%i]=
break>%chunksFile%
:; # Instalacja
if not exist %inputDir% echo Pobieranie przykładowego pliku %inputDir%\wikipedia.txt... && curl --create-dirs -Lo %inputDir%\wikipedia.txt https://huggingface.co/jglowa/prosty-rag/resolve/main/baza/wikipedia.txt?download=true  && echo Gotowe^^!
if not exist %embedfile% echo Pobieranie %embedfile%... && curl -Lo %embedfile% https://github.com/niutech/llamafile/releases/download/0.9.3/embedfile && echo Gotowe^^!
if not exist %embedmodelfile% echo Pobieranie %embedmodelfile%... && curl -Lo %embedmodelfile% %embedmodelURL% && echo Gotowe^^!
if not exist pdftotext.exe echo Pobieranie pdftotext.exe... && curl -LO https://dl.xpdfreader.com/xpdf-tools-win-4.05.zip && tar --strip-components 2 -xf xpdf-tools-win-4.05.zip xpdf-tools-win-4.05/bin64/pdftotext.exe && del xpdf-tools-win-4.05.zip && echo Gotowe^^!
:; # Uruchamianie
echo Indeksowanie plików PDF/TXT/MD/CSV w folderze %inputDir%...
for %%F in ("%inputDir%\*.pdf") do if not exist "%%~dpnF.txt" echo Konwertowanie %%~nxF... && pdftotext -nopgbrk -enc UTF-8 "%%~F"
for %%F in ("%inputDir%\*.csv") do if not exist "%%~dpnF.txt" echo Konwertowanie %%~nxF... && powershell -Command "Import-Csv '%%~F' | %% { (($_.PSObject.Properties | %% { \"$($_.Name): $($_.Value)\" }) -join ', ') + '.'} | Out-File '%%~dpnF.txt' -Encoding utf8"
for %%F in ("%inputDir%\*.txt" "%inputDir%\*.md") do (
  echo Przetwarzanie %%~nxF...
  (
    set wordCount=0
    set /p =%%~nxF: <nul
    for /f "usebackq delims=" %%L in ("%%F") do (
      set line=%%L
      set line=!line: =^

!
      for /f "delims=" %%W in ("!line!") do (
        set /p =%%W <nul
        for /l %%i in (2,1,%overlapWords%) do (set /a j=%%i-1 && set buf[!j!]=!buf[%%i]!)
        set "buf[%overlapWords%]=%%W"
        set /a wordCount+=1
        if !wordCount! geq !chunkWords! (
          echo.
          set /p =%%~nxF: <nul
          for /l %%i in (1,1,%overlapWords%) do set /p =!buf[%%i]! <nul
          set /a wordCount=0
        )
      )
    )
    echo.
  )>>%chunksFile%
)
echo Osadzanie plików w bazie danych...
if exist %dbFile% del %dbFile%
%embedfile% -m %embedmodelfile% import %chunksFile% %dbFile% && %embedfile% -m %embedmodelfile% sh %dbFile% "CREATE VIRTUAL TABLE fts_items USING fts5(line, tokenize='porter')" "INSERT INTO fts_items SELECT * FROM items" && echo Gotowe^^! Po każdej zmianie w folderze %inputDir% należy uruchomić ponownie indeksator.
del %chunksFile%
endlocal
pause