from win32com.client import Dispatch
from os import walk
import sys
import fitz

def doc2pdf(input_file):
    word = Dispatch('Word.Application') # WPS改為Kwps.Application
    output_file = input_file.split(".")
    try:
        doc = word.Documents.Open(input_file)
        doc.SaveAs(output_file[0] + ".pdf", FileFormat=17)
        doc.Close()
    except:
        print("Unexpected error:", sys.exc_info())
    word.Quit()

def ppt2pdf(input_file):
    powerpoint = Dispatch('Powerpoint.Application') # WPS改為Kwpp.Application
    output_file = input_file.split(".")
    try:
        ppt = powerpoint.Presentations.Open(input_file)
        ppt.SaveAs(output_file[0] + ".pdf", FileFormat=32)
        ppt.Close()
    except:
        print("Unexpected error:", sys.exc_info())
    powerpoint.Quit()

def xls2pdf(input_file):
    excel = Dispatch('Excel.Application') # WPS改為Ket.Application
    output_file = input_file.split(".")
    try:
        xls = excel.Workbooks.Open(input_file)
        xls.SaveAs(output_file[0] + ".pdf", FileFormat=57)
        xls.Close()
    except:
        print("Unexpected error:", sys.exc_info())
    excel.Quit()

if __name__ == "__main__":
    doc_files = []
    directory = "C:\\Users\\Administrator\\Desktop\\"
    for root, dirs, filenames in walk(directory):
        for file in filenames:
            # 忽略~$開頭的臨時檔案，並以後綴名作為檔案型別判斷
            if file.find("~$") == -1:
                if file.endswith(".doc") or file.endswith(".docx") or file.endswith(".DOC"):
                    doc2pdf(str(root + "\\" + file))
                elif file.endswith(".ppt") or file.endswith(".pptx") or file.endswith(".PPT"):
                    ppt2pdf(str(root + "\\" + file))
                elif file.endswith(".xls") or file.endswith(".xlsx") or file.endswith(".XLS"):
                    xls2pdf(str(root + "\\" + file))