@echo off

if "%~1"=="" (
	echo -----------------------------------------------------
	echo Invalid parameter!
	echo -----------------------------------------------------
	echo Usage: FindTableAndExtractAsCsv.bat file_name
	echo Example: FindTableAndExtractAsCsv.bat "sample3.pdf"
	echo -----------------------------------------------------
	if not "%NOPAUSE%"=="1" pause
	exit /b 1
)

powershell -NoProfile -ExecutionPolicy Bypass -Command "& .\FindTableAndExtractAsCsv.ps1" "%1"
echo Script finished with errorlevel=%errorlevel%

pause

#*******************************************************************************************#
#                                                                                           #
# Download Free Evaluation Version From: https://bytescout.com/download/web-installer       #
#                                                                                           #
# Also available as Web API! Get Your Free API Key: https://app.pdf.co/signup               #
#                                                                                           #
# Copyright © 2017-2020 ByteScout, Inc. All rights reserved.                                #
# https://www.bytescout.com                                                                 #
# https://pdf.co                                                                            #
#                                                                                           #
#*******************************************************************************************#

# Note: if you are looking for a more higher level API to extract data from invoices, reports, statements
# then please check Document Parser SDK and Web API at https://bytescout.com/products/developer/documentparsersdk/index.html
# and https://pdf.co for secure and scalable web api

Param (
    [Parameter(Mandatory = $true)]
    [string] $InputFileName = ""
)

#Add reference to Bytescout.PDFExtractor.dll assembly
Add-Type -Path "C:\Program Files\Bytescout PDF Extractor SDK\net4.00\Bytescout.PDFExtractor.dll"

# Check input file exists
if ((Test-Path $InputFileName) -eq $false) {

    Write-Host "Input file does not exist." -ForegroundColor Red
    Exit 0
}

# Create and activate Bytescout.PDFExtractor.CSVExtractor instance
$Extractor = New-Object Bytescout.PDFExtractor.CSVExtractor
$Extractor.RegistrationName = "demo"
$Extractor.RegistrationKey = "demo"

# Create and activate Bytescout.PDFExtractor.TableDetector instance
$Detector = New-Object Bytescout.PDFExtractor.TableDetector
$Detector.RegistrationName = "demo"
$Detector.RegistrationKey = "demo"

# Set table detection mode to "bordered tables" - best for tables with closed solid borders.
# 0 = ColumnDetectionMode_ContentGroupsAndBorders
# 1 = ColumnDetectionMode_ContentGroups
# 2 = ColumnDetectionMode_Borders
# 3 = ColumnDetectionMode_BorderedTables
$Detector.ColumnDetectionMode = 3

# We should define what kind of tables we should detect.
# So we set min required number of columns to 3 ...
$Detector.DetectionMinNumberOfColumns = 3
# ... and we set min required number of rows to 3
$Detector.DetectionMinNumberOfRows = 3

try {
    # Load sample PDF document
    $Extractor.LoadDocumentFromFile($InputFileName)
    $Detector.LoadDocumentFromFile($InputFileName)

    # Get page count
    $PageCount = $Extractor.GetPageCount()
    Write-Host "Pages: $PageCount"

    # Iterate through pages
    for ($i = 0; $i -lt $PageCount; $i++) {

        $TableIndex = 1
        
        # Find first table and continue if found
        if ($Detector.FindTable($i) -eq $true) {

            do {
                # Set extraction area for CSV extractor to rectangle received from the table detector
                $Extractor.SetExtractionArea($Detector.FoundTableLocation)
                # export the table to CSV file
                $PageNo = $i + 1
                # Construct output file name
                $OutputFileName = "page-$PageNo-table-$TableIndex.csv"
                $Extractor.SavePageCSVToFile($i, $OutputFileName)
                $TableIndex++
            } while ($Detector.FindNextTable() -eq $true) # search next table
        }
    }
} catch {

    Write-Host $_.Exception.Message
}

# Cleanup
$Detector.Dispose()
$Extractor.Dispose()