#!/usr/bin/python3

import lliurex.moving

import sys
import os
import shutil
import logging

logging.basicConfig(format='%(levelname)s %(funcName)s %(message)s',
                    level=logging.INFO)


def print_usage():

    print("")
    print("Usage: llx-moving-cmd <command>")
    print("")
    print("Available commands:")
    print("load			loads profiles from server")
    print("save			save profiles to server")
    print("show			show rules")
    print("match			list matched files")
    print(
        "test (load|save) 	performs a test without copying or deleting anything"
    )
    print("purge (local|remote)	purges either local or remote sync files")
    print("backup NAME		creates a profile backup")
    print("help			print this help")


def main():

    try:

        if (len(sys.argv) < 2):
            print_usage()
        else:
            if (sys.argv[1] == "load"):
                mp = lliurex.moving.Client()
                mp.load_session()

            elif (sys.argv[1] == "save"):
                mp = lliurex.moving.Client()
                mp.save_session()

            elif (sys.argv[1] == "show"):
                mp = lliurex.moving.Client()

                print("Include:")
                for name in mp.cfg["include"]:
                    value = mp.cfg["include"][name]
                    tab = " " * (32 - len(name))
                    print("* " + name + tab + "[" + value + "]")

                print("")
                print("Exclude:")
                for name in mp.cfg["exclude"]:
                    value = mp.cfg["exclude"][name]
                    tab = " " * (32 - len(name))
                    print("* " + name + tab + "[" + value + "]")

            elif (sys.argv[1] == "match"):
                mp = lliurex.moving.Client()

                home = os.path.expanduser("~")

                print("Matched files:")

                for fname in os.listdir(home):
                    if (mp.match(fname)):
                        print("->" + fname)

            elif (sys.argv[1] == "test" and len(sys.argv) > 2):
                if (sys.argv[2] == "load"):
                    mp = lliurex.moving.Client()
                    home = os.path.expanduser("~")
                    moving_path = mp.get_profile_path()

                    profile_files = os.listdir(moving_path)

                    update_files = []
                    delete_files = []
                    append_files = []

                    for fname in os.listdir(home):
                        if mp.match(fname):
                            if fname not in profile_files:
                                delete_files.append(fname)
                            else:
                                update_files.append(fname)

                    home_files = os.listdir(home)

                    for fname in profile_files:
                        if (mp.match(fname)):
                            if (not fname in home_files):
                                append_files.append(fname)

                    print("Local files updated:")

                    for fname in update_files:
                        print("->" + fname)

                    print("Local files deleted:")

                    for fname in delete_files:
                        print("->" + fname)

                    print("Local files appended:")

                    for fname in append_files:
                        print("->" + fname)

                elif (sys.argv[2] == "save"):
                    mp = lliurex.moving.Client()
                    home = os.path.expanduser("~")
                    moving_path = mp.get_profile_path()

                    home_files = os.listdir(home)

                    update_files = []
                    delete_files = []
                    append_files = []

                    for fname in os.listdir(moving_path):
                        if not fname in home_files:
                            delete_files.append(fname)
                        else:
                            if (mp.match(fname)):
                                update_files.append(fname)
                            else:
                                delete_files.append(fname)

                    profile_files = os.listdir(moving_path)
                    for fname in home_files:
                        if (mp.match(fname)):
                            if not fname in profile_files:
                                append_files.append(fname)

                    print("Remote files updated:")

                    for fname in update_files:
                        print("->" + fname)

                    print("Remote files deleted:")

                    for fname in delete_files:
                        print("->" + fname)

                    print("Remote files appended:")

                    for fname in append_files:
                        print("->" + fname)

                else:
                    print_usage()

            elif (sys.argv[1] == "purge" and len(sys.argv) > 2):

                if (sys.argv[2] == "local"):
                    mp = lliurex.moving.Client()
                    home = os.path.expanduser("~")

                    logging.info("Removing local files:")

                    for fname in os.listdir(home):
                        if (mp.match(fname)):
                            fpath = home + os.path.sep + fname

                            logging.info("-> " + fpath)

                            if (os.path.isdir(fpath)):
                                shutil.rmtree(fpath)

                            if (os.path.isfile(fpath)):
                                os.remove(fpath)

                    logging.info("done")

                elif (sys.argv[2] == "remote"):
                    mp = lliurex.moving.Client()
                    moving_path = mp.get_profile_path()

                    profile_files = os.listdir(moving_path)

                    logging.info("Removing remote files:")

                    for fname in profile_files:
                        fpath = moving_path + os.path.sep + fname

                        logging.info("-> " + fpath)

                        if (os.path.isdir(fpath)):
                            shutil.rmtree(fpath)

                        if (os.path.isfile(fpath)):
                            os.remove(fpath)

                    logging.info("done")

                else:
                    print_usage()

            elif (sys.argv[1] == "backup" and len(sys.argv) > 2):
                mp = lliurex.moving.Client()
                mp.backup(sys.argv[2])

            elif (sys.argv[1] == "help"):
                print_usage()
            else:
                logging.warning("Unknown command :" + sys.argv[1])

    except Exception as ex:
        logging.exception(ex)
        #exit gracefully even when something goes bad
        sys.exit(0)

    sys.exit(0)


if __name__ == "__main__":
    main()