from PyQt5.QtCore import QModelIndex, Qt

import vorta.borg
from vorta.views.extract_dialog import (ExtractTree, FileData, FileType,
                                        parse_json_lines)
from vorta.views.partials.treemodel import FileSystemItem


def prepare_borg(mocker, borg_json_output):
    stdout, stderr = borg_json_output("list_archive")
    popen_result = mocker.MagicMock(stdout=stdout, stderr=stderr, returncode=0)
    mocker.patch.object(vorta.borg.borg_job, "Popen", return_value=popen_result)


default = {
    "mode": "drwxrwxr-x",
    "user": "theuser",
    "group": "theuser",
    "uid": 1000,
    "gid": 1000,
    "path": "",
    "healthy": True,
    "source": "",
    "linktarget": "",
    "flags": None,
    "mtime": "2022-05-13T14:33:57.305797",
    "size": 0,
}


def updated(path, values):
    d = default.copy()
    d.update(values)
    d["path"] = path
    return d


def test_parser():
    """Test creating a tree with correct data from json lines."""

    lines = [
        updated("a", {}),
        updated("a/b", {"mode": "-rwxrwxr-x"}),
        updated("a/b/c", {}),
        updated("a/b/d", {}),
        updated("a/a", {}),
        updated("a/a/a", {}),
        updated("a/a/b", {}),
        updated("a/a/c", {"healthy": False}),
        updated("a/a/d", {}),
        updated("a/a/e", {}),
    ]

    model = ExtractTree()
    parse_json_lines(lines, model)

    index = model.indexPath(("a", "b"))
    assert index != QModelIndex()
    assert index.internalPointer().data.file_type == FileType.FILE

    item = model.getItem(("a", "a", "c"))
    assert item
    assert item.data.health is False


def select(model, index):
    model.setData(index, Qt.CheckState.Checked, Qt.ItemDataRole.CheckStateRole)


def deselect(model, index):
    model.setData(index, Qt.CheckState.Unchecked, Qt.ItemDataRole.CheckStateRole)


def test_selection():
    """Test selecting items for extraction."""
    lines = [
        updated("a", {}),
        updated("a/b", {}),
        updated("a/b/c", {}),
        updated("a/b/d", {}),
        updated("a/a", {}),
        updated("a/a/a", {}),
        updated("a/a/b", {}),
        updated("a/a/c", {}),
        updated("a/a/d", {}),
        updated("a/a/e", {}),
        updated("c", {}),
    ]
    model = ExtractTree()
    parse_json_lines(lines, model)

    # Test select
    ic = model.index(1, 0, QModelIndex())
    c: FileSystemItem[FileData] = ic.internalPointer()

    select(model, ic)
    assert c.data.checkstate == 2
    assert c.data.checked_children == 0

    # Test deselect
    deselect(model, ic)
    assert c.data.checkstate == 0
    assert c.data.checked_children == 0

    # Test select parent as well as children
    ia = model.index(0, 0, QModelIndex())
    a: FileSystemItem[FileData] = ia.internalPointer()
    aa = model.getItem(("a", "a"))
    aab = model.getItem(("a", "a", "b"))
    ab = model.getItem(("a", "b"))
    abc = model.getItem(("a", "b", "c"))

    select(model, ia)
    assert a.data.checkstate
    assert a.data.checked_children == 2
    assert a.data.checked_children == 2
    assert aab.data.checkstate
    assert ab.data.checkstate
    assert aa.data.checkstate
    assert aa.data.checked_children == 5

    # Test deselect item as well as children with selected parent
    iab = model.indexPath(("a", "b"))
    deselect(model, iab)

    assert a.data.checkstate == 1
    assert aa.data.checkstate == 2
    assert ab.data.checkstate == 0
    assert abc.data.checkstate == 0
    assert a.data.checked_children == 1
    assert ab.data.checked_children == 0

    # Test deselect item and children
    deselect(model, ia)

    assert a.data.checkstate == 0
    assert aa.data.checkstate == 0
    assert ab.data.checkstate == 0
    assert a.data.checked_children == 0
    assert aa.data.checked_children == 0

    # Test select child with partially selected parent
    iaac = model.indexPath(("a", "a", "c"))

    select(model, ia)
    deselect(model, iab)
    deselect(model, iaac)
    select(model, iab)
    select(model, iaac)

    assert a.data.checkstate == 1
    assert aa.data.checkstate == 1
    assert ab.data.checkstate == 2

    assert a.data.checked_children == 2
    assert ab.data.checked_children == 2
    assert aa.data.checked_children == 5

    # Test deselect all children with selected parent
    iaa = model.indexPath(("a", "a"))
    deselect(model, iaa)
    deselect(model, iab)

    assert a.data.checkstate == 0
    assert a.data.checked_children == 0

    # Test select child with deselected parent
    select(model, iaac)

    assert a.data.checkstate == 1
    assert ab.data.checkstate == 0
    assert aa.data.checkstate == 1
    assert a.data.checked_children == 1
    assert ab.data.checked_children == 0
    assert aa.data.checked_children == 1

    select(model, iaa)
    assert a.data.checkstate == 1

    select(model, iab)
    assert a.data.checkstate == 1