"""
author: deadc0de6 (https://github.com/deadc0de6)
Copyright (c) 2017, deadc0de6

Basic unittest for updating an index
"""

import unittest
import os

from catcli.catcli import cmd_index, cmd_update
from catcli.noder import Noder
from catcli.catalog import Catalog
from tests.helpers import create_dir, create_rnd_file, get_tempdir, \
        clean, unix_tree, edit_file, read_from_file
import anytree


class TestIndexing(unittest.TestCase):

    def test_index(self):
        # init
        workingdir = get_tempdir()
        catalogpath = create_rnd_file(workingdir, 'catalog.json', content='')
        self.addCleanup(clean, workingdir)

        dirpath = get_tempdir()
        self.addCleanup(clean, dirpath)

        # create 3 files
        f1 = create_rnd_file(dirpath, 'file1')
        f2 = create_rnd_file(dirpath, 'file2')
        f3 = create_rnd_file(dirpath, 'file3')

        # create 2 directories
        d1 = create_dir(dirpath, 'dir1')
        d2 = create_dir(dirpath, 'dir2')

        # fill directories with files
        d1f1 = create_rnd_file(d1, 'dir1file1')
        d1f2 = create_rnd_file(d1, 'dir1file2')
        d2f1 = create_rnd_file(d2, 'dir2file1')

        noder = Noder()
        top = noder.new_top_node()
        catalog = Catalog(catalogpath, force=True, verbose=False)

        # create fake args
        tmpdirname = 'tmpdir'
        args = {'<path>': dirpath, '<name>': tmpdirname,
                '--hash': True, '--meta': ['some meta'],
                '--no-subsize': False, '--verbose': True}

        # index the directory
        unix_tree(dirpath)
        cmd_index(args, noder, catalog, top, debug=True)
        self.assertTrue(os.stat(catalogpath).st_size != 0)

        # print catalog
        noder.print_tree(top)

        # add some files and directories
        new1 = create_rnd_file(d1, 'newf1')
        new2 = create_rnd_file(dirpath, 'newf2')
        new3 = create_dir(dirpath, 'newd3')
        new4 = create_dir(d2, 'newd4')
        new5 = create_rnd_file(new4, 'newf5')
        unix_tree(dirpath)

        # modify files
        EDIT = 'edited'
        edit_file(d1f1, EDIT)

        # update storage
        cmd_update(args, noder, catalog, top, debug=True)

        # print catalog
        # print(read_from_file(catalogpath))
        noder.print_tree(top)

        # explore the top node to find all nodes
        self.assertTrue(len(top.children) == 1)
        storage = top.children[0]
        self.assertTrue(len(storage.children) == 7)

        # ensures files and directories are in
        names = [node.name for node in anytree.PreOrderIter(storage)]
        print(names)
        self.assertTrue(os.path.basename(f1) in names)
        self.assertTrue(os.path.basename(f2) in names)
        self.assertTrue(os.path.basename(f3) in names)
        self.assertTrue(os.path.basename(d1) in names)
        self.assertTrue(os.path.basename(d1f1) in names)
        self.assertTrue(os.path.basename(d1f2) in names)
        self.assertTrue(os.path.basename(d2) in names)
        self.assertTrue(os.path.basename(d2f1) in names)
        self.assertTrue(os.path.basename(new1) in names)
        self.assertTrue(os.path.basename(new2) in names)
        self.assertTrue(os.path.basename(new3) in names)
        self.assertTrue(os.path.basename(new4) in names)
        self.assertTrue(os.path.basename(new5) in names)

        for node in storage.children:
            if node.name == os.path.basename(d1):
                self.assertTrue(len(node.children) == 3)
            elif node.name == os.path.basename(d2):
                self.assertTrue(len(node.children) == 2)
            elif node.name == os.path.basename(new3):
                self.assertTrue(len(node.children) == 0)
            elif node.name == os.path.basename(new4):
                self.assertTrue(len(node.children) == 1)
        self.assertTrue(read_from_file(d1f1) == EDIT)

        # remove some files
        clean(d1f1)
        clean(d2)
        clean(new2)
        clean(new4)

        # update storage
        cmd_update(args, noder, catalog, top, debug=True)

        # ensures files and directories are (not) in
        names = [node.name for node in anytree.PreOrderIter(storage)]
        print(names)
        self.assertTrue(os.path.basename(f1) in names)
        self.assertTrue(os.path.basename(f2) in names)
        self.assertTrue(os.path.basename(f3) in names)
        self.assertTrue(os.path.basename(d1) in names)
        self.assertTrue(os.path.basename(d1f1) not in names)
        self.assertTrue(os.path.basename(d1f2) in names)
        self.assertTrue(os.path.basename(d2) not in names)
        self.assertTrue(os.path.basename(d2f1) not in names)
        self.assertTrue(os.path.basename(new1) in names)
        self.assertTrue(os.path.basename(new2) not in names)
        self.assertTrue(os.path.basename(new3) in names)
        self.assertTrue(os.path.basename(new4) not in names)
        self.assertTrue(os.path.basename(new5) not in names)
        for node in storage.children:
            if node.name == os.path.basename(d1):
                self.assertTrue(len(node.children) == 2)
            elif node.name == os.path.basename(new3):
                self.assertTrue(len(node.children) == 0)


def main():
    unittest.main()


if __name__ == '__main__':
    main()