"""Marking text, bookmarks and the list, in the reader."""
import asyncio

import pytest
from textual.widgets import Input, ListView

from diora_tui import annotations, epub as epub_mod, progress
from diora_tui.annotation_screens import AnnotationsScreen, NoteScreen
from diora_tui.app import DioraTuiApp
from diora_tui.library_screen import ChoiceScreen
from diora_tui.reader_screen import ReaderScreen


@pytest.fixture
def world(tmp_path, monkeypatch):
    monkeypatch.setattr(progress, "_default", progress.ProgressStore(tmp_path / "p.json"))
    store = annotations.AnnotationStore(tmp_path / "ann")
    monkeypatch.setattr(annotations, "_default", store)
    lib = tmp_path / "lib"
    lib.mkdir()
    return lib, store


def book(epub):
    body = "<h1>Anfang</h1>\n" + "\n".join(f"<p>\n  Absatz {i} eins zwei drei vier fünf sechs sieben.\n</p>" for i in range(30))
    return epub([body], title="Marken")


async def open_reader(app, pilot, path):
    app.push_screen(ReaderScreen(path))
    for _ in range(80):
        await pilot.pause(0.1)
        s = app.screen
        if isinstance(s, ReaderScreen) and s.book is not None and s._last_anchor is not None:
            await pilot.pause(0.2)
            return s
    raise AssertionError("reader did not load")


def run(lib, epub, scenario):
    path = book(epub)

    async def go():
        app = DioraTuiApp(lib)
        async with app.run_test(size=(100, 30)) as pilot:
            reader = await open_reader(app, pilot, path)
            await scenario(app, reader, pilot, epub_mod._book_id(path))

    asyncio.run(go())


def painted_with(reader, color_hex):
    wanted = color_hex.lstrip("#").lower()
    return any(seg.style and seg.style.bgcolor and seg.style.bgcolor.get_truecolor().hex.lstrip("#").lower() == wanted
               for strip in reader.book_layout.row_strips for seg in strip)


def test_mark_text_then_list_edit_and_delete(world, epub):
    lib, store = world

    async def scenario(app, reader, pilot, key):
        await pilot.press("v")
        assert reader._sel is not None and reader._sel["phase"] == "start"
        await pilot.press("l", "l")          # two words on
        await pilot.press("enter")           # start
        assert reader._sel["phase"] == "end"
        await pilot.press("l", "l", "l")
        await pilot.press("enter")           # end: pick a colour
        assert isinstance(app.screen, ChoiceScreen)
        await pilot.press("down", "enter")   # Grün
        await pilot.pause(0.2)
        assert reader._sel is None
        hs = store.get(key).highlights
        assert len(hs) == 1 and hs[0]["color"] == "green" and hs[0]["type"] == "highlight"
        a = hs[0]["anchor"]
        assert a["startBlockIndex"] == a["endBlockIndex"] and a["quote"] and a["startChar"] < a["endChar"]
        assert a["quote"] == reader._marks.maps(a["startBlockIndex"]).raw[a["startChar"]:a["endChar"]]
        assert painted_with(reader, "#2ecc71")
        assert store.get(key).dirty["highlights"]

        await pilot.press("b")
        bm = store.get(key).bookmarks
        assert len(bm) == 1 and bm[0]["anchor"].endswith("c0.xhtml") and bm[0]["label"] == "c0"

        await pilot.press("a")
        assert isinstance(app.screen, AnnotationsScreen)
        lv = app.screen.query_one(ListView)
        assert len(app.screen.rows) == 2 and app.screen.rows[0].kind == "bookmarks"
        await pilot.press("down", "e")        # edit the note of the highlight
        assert isinstance(app.screen, NoteScreen)
        app.screen.query_one(Input).value = "klug"
        await pilot.press("enter")
        await pilot.pause(0.2)
        assert store.get(key).highlights[0]["note"] == "klug"
        await pilot.press("d")                # delete the highlight
        await pilot.pause(0.2)
        assert store.get(key).highlights == [] and not painted_with(reader, "#2ecc71")
        await pilot.press("escape")
        assert isinstance(app.screen, ReaderScreen)

    run(lib, epub, scenario)


def test_note_on_a_word_and_escape_leaves_the_selection(world, epub):
    lib, store = world

    async def scenario(app, reader, pilot, key):
        await pilot.press("v", "l")
        await pilot.press("escape")
        assert reader._sel is None and isinstance(app.screen, ReaderScreen)
        assert store.get(key).highlights == []

        await pilot.press("v", "l", "n")      # n while marking: a freeform note on this word
        assert isinstance(app.screen, NoteScreen)
        app.screen.query_one(Input).value = "merken"
        await pilot.press("enter")
        await pilot.pause(0.2)
        h = store.get(key).highlights
        assert len(h) == 1 and h[0]["type"] == "note" and h[0]["note"] == "merken" and h[0]["color"] is None
        a = h[0]["anchor"]
        assert reader._marks.maps(a["startBlockIndex"]).raw[a["startChar"]:a["endChar"]] == a["quote"]

    run(lib, epub, scenario)


def test_jump_from_the_list_is_not_reading(world, epub):
    lib, store = world

    async def scenario(app, reader, pilot, key):
        store.add(key, "bookmarks", annotations.new_bookmark("c0", "OEBPS/c0.xhtml", 0.5))
        await pilot.press("a", "enter")
        await pilot.pause(0.3)
        assert isinstance(app.screen, ReaderScreen)
        reader._save_progress()
        assert progress.default().get(key) is None  # nothing written by the jump

    run(lib, epub, scenario)