"""Unit tests for Planner Grid view helpers."""
from __future__ import annotations

from unittest.mock import MagicMock, patch

from selenium.webdriver.common.by import By

from onedrive_planner import (
    _clean_grid_task_title,
    _grid_row_status,
    _grid_row_task_name,
    _is_attachments_empty,
    _is_panel_placeholder_text,
    _is_status_sorted_descending,
    _parse_status_blob,
    _sort_descending_menu_selected,
)


def _grid_row(*, status_value: str = "", status_text: str = "", task_name: str = ""):
    row = MagicMock()
    row.is_displayed.return_value = True
    row.text = task_name

    status_btn = MagicMock()
    status_btn.is_displayed.return_value = True
    status_btn.get_attribute.side_effect = lambda name: (
        status_value if name == "value" else ""
    )
    status_btn.text = status_text

    name_cell = MagicMock()
    name_cell.is_displayed.return_value = True
    name_cell.get_attribute.return_value = f"Task Name {task_name}"
    name_span = MagicMock()
    name_span.is_displayed.return_value = True
    name_span.text = task_name

    def find_elements(by, xpath):
        xp = xpath or ""
        if "combobox" in xp:
            return [status_btn]
        if "gridcell" in xp and "span" not in xp:
            return [name_cell]
        if "span" in xp:
            return [name_span]
        return []

    row.find_elements.side_effect = find_elements
    name_cell.find_elements.side_effect = lambda by, xpath: [name_span]
    return row


def test_grid_row_status_not_started():
    row = _grid_row(status_value="notStarted", status_text="Not started")
    assert _grid_row_status(row) == "not started"


def test_grid_row_status_reads_status_column_not_bucket():
    row = MagicMock()
    row.is_displayed.return_value = True

    bucket_btn = MagicMock()
    bucket_btn.is_displayed.return_value = True
    bucket_btn.get_attribute.side_effect = lambda name: "todo" if name == "value" else ""
    bucket_btn.text = "To do"

    status_btn = MagicMock()
    status_btn.is_displayed.return_value = True
    status_btn.get_attribute.side_effect = lambda name: "notStarted" if name == "value" else ""
    status_btn.text = "Not started"

    status_cell = MagicMock()
    status_cell.is_displayed.return_value = True
    status_cell.get_attribute.return_value = "Status Not started"
    status_cell.text = "Not started"
    status_cell.find_elements.side_effect = lambda by, xpath: (
        [status_btn] if "combobox" in xpath else []
    )

    bucket_cell = MagicMock()
    bucket_cell.is_displayed.return_value = True
    bucket_cell.get_attribute.return_value = "Bucket To do"
    bucket_cell.text = "To do"
    bucket_cell.find_elements.side_effect = lambda by, xpath: (
        [bucket_btn] if "combobox" in xpath else []
    )

    def find_elements(by, xpath):
        xp = xpath or ""
        if "gridcell" in xp:
            return [status_cell, bucket_cell]
        if "combobox" in xp:
            return [bucket_btn, status_btn]
        return []

    row.find_elements.side_effect = find_elements
    assert _grid_row_status(row) == "not started"


def test_grid_row_status_in_progress():
    row = _grid_row(status_value="inProgress", status_text="In progress")
    assert _grid_row_status(row) == "in progress"


def test_grid_row_task_name_from_aria():
    row = _grid_row(task_name="Missing Insurance Info")
    assert _grid_row_task_name(row) == "Missing Insurance Info"


def test_clean_grid_task_title_strips_a11y_hint():
    raw = "Missing Insurance Info. Press Alt + I to open task details, or pre"
    assert _clean_grid_task_title(raw) == "Missing Insurance Info"


def test_grid_row_task_name_strips_a11y_from_span():
    row = MagicMock()
    row.is_displayed.return_value = True
    row.text = ""

    name_cell = MagicMock()
    name_cell.is_displayed.return_value = True
    name_cell.get_attribute.return_value = ""
    name_span = MagicMock()
    name_span.is_displayed.return_value = True
    name_span.text = "6.10 priority :). Press Alt + I to open task details"

    def find_elements(by, xpath):
        xp = xpath or ""
        if "combobox" in xp:
            return []
        if "gridcell" in xp and "span" not in xp:
            return [name_cell]
        if "span" in xp:
            return [name_span]
        return []

    row.find_elements.side_effect = find_elements
    name_cell.find_elements.side_effect = lambda by, xpath: [name_span]
    assert _grid_row_task_name(row) == "6.10 priority :)"


def test_is_panel_placeholder_text():
    assert _is_panel_placeholder_text("Type a description or add notes here")
    assert not _is_panel_placeholder_text("Missing Insurance Info")


def test_is_status_sorted_descending():
    header = MagicMock()
    header.get_attribute.side_effect = lambda name: (
        "descending" if name == "aria-sort" else ""
    )
    assert _is_status_sorted_descending(header) is True

    header.get_attribute.side_effect = lambda name: (
        "ascending" if name == "aria-sort" else ""
    )
    assert _is_status_sorted_descending(header) is False

    header.get_attribute.side_effect = lambda name: "" if name == "aria-sort" else ""
    assert _is_status_sorted_descending(header) is False


def test_sort_descending_menu_selected():
    driver = MagicMock()
    checked_btn = MagicMock()
    checked_btn.is_displayed.return_value = True

    driver.find_elements.side_effect = lambda by, xpath: (
        [checked_btn]
        if "aria-checked='true'" in xpath
        else []
    )
    assert _sort_descending_menu_selected(driver) is True

    driver.find_elements.side_effect = lambda by, xpath: []
    assert _sort_descending_menu_selected(driver) is False


def test_parse_status_blob():
    assert _parse_status_blob("Not started") == "not started"
    assert _parse_status_blob("Status Completed") == "completed"
    assert _parse_status_blob("To do") is None


def test_is_attachments_empty_detects_empty_panel():
    driver = MagicMock()
    panel = MagicMock()
    panel.is_displayed.return_value = True
    panel.text = "Select, upload, or add a link to a file or website\nAdd attachment"
    driver.find_elements.return_value = [panel]

    with patch("onedrive_planner._attachment_tab_count", return_value=0), patch(
        "onedrive_planner._discover_listed_attachment_names", return_value=[]
    ), patch("onedrive_planner._list_attachment_rows", return_value=[]):
        assert _is_attachments_empty(driver) is True


def test_is_attachments_empty_false_when_tab_count():
    driver = MagicMock()
    with patch("onedrive_planner._attachment_tab_count", return_value=2):
        assert _is_attachments_empty(driver) is False