import os
import shutil
from src import config
import datetime

class Backup:
    def __init__(self):
        self.source_path = config.database.path + "/" + config.database.name
        self.backup_path = config.database.backupLocation + "/" + config.database.name
        self.backup = False
        if not os.path.exists(config.database.backupLocation):
            os.makedirs(config.database.backupLocation)
        backupPath = config.database.backupLocation
        # create an archive path based on the backuppath, one level up with a new folder called archive
        # example: backuppath = /home/user/backup
        # result: archivepath = /home/user/archive
        self.archivePath = os.path.join(os.path.dirname(backupPath), "archive")
        # check if the archive path exists, if not create it
        if not os.path.exists(self.archivePath):
            os.makedirs(self.archivePath)

        if config.database.do_backup is True:
            self.checkpaths()
        config.database.do_backup = self.backup

    def checkpaths(self):
        if os.path.exists(config.database.backupLocation):
            self.backup = True

    def createBackup(self):
        if os.path.exists(self.archivePath) and os.path.exists(self.source_path):
            # copy the active database to the archive path, add _[date]
            day = datetime.datetime.now().strftime("%Y%m%d%H%M%S")
            # copy the active database to the archive path, add _[date]
            shutil.copy(
                self.source_path,
                os.path.join(
                    self.archivePath, config.database.name + "_" + day + ".archive"
                ),
            )

        if self.backup:
            if os.path.exists(self.source_path):
                if os.path.exists(self.backup_path):
                    os.remove(self.backup_path)
                shutil.copy(self.source_path, self.backup_path)
                return True
        return False