"""Headless UI tests via Textual Pilot: full app, board, draft, run loop."""

from textual.app import App

from scrypt.app import ScryptApp
from scrypt.data import load_content
from scrypt.engine.combat import Phase
from scrypt.ui.board import BoardScreen
from scrypt.ui.choice import CardChoiceScreen, RunEndScreen


async def test_app_opens_on_first_battle():
    app = ScryptApp(seed=42, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        assert isinstance(app.screen, BoardScreen)
        assert app.screen.state.phase is Phase.DRAW


async def test_draw_play_bit_and_ring_bell():
    app = ScryptApp(seed=42, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        board = app.screen
        await pilot.press("s")  # take a bit (appended last in hand)
        assert board.state.phase is Phase.MAIN
        await pilot.press("left")  # wrap selection to the drawn bit
        await pilot.press("enter")  # free card -> straight to lane mode
        await pilot.press("1")
        assert board.state.player_row[0] is not None
        assert board.state.player_row[0].spec.id == "bit"
        await pilot.press("b")  # ring the bell
        assert board.state.turn == 1


async def test_sacrifice_flow():
    app = ScryptApp(seed=42, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        board = app.screen
        await pilot.press("s")
        await pilot.press("left", "enter", "1")  # bit into lane 1
        await pilot.press("b")
        await pilot.press("s")  # next turn: another bit
        await pilot.press("left", "enter", "2")  # bit into lane 2
        # Find a 1-mem card in hand and play it over a sacrificed bit.
        idx = next(
            i for i, c in enumerate(board.state.hand) if c.spec.cost.amount == 1
        )
        board.selected = idx
        await pilot.press("enter")  # sacrifice mode
        await pilot.press("1")      # mark the bit in lane 1
        await pilot.press("enter")  # confirm the kills
        await pilot.press("1")      # place into the freed lane
        played = board.state.player_row[0]
        assert played is not None and played.spec.cost.amount == 1


async def test_pacifist_run_burns_ttys_and_ends(tmp_path, monkeypatch):
    """Lose every fight by doing nothing: 2 TTYs burn, then the end screen."""
    monkeypatch.setenv("SCRYPT_HOME", str(tmp_path))  # isolate legacy.json
    app = ScryptApp(seed=7, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        from scrypt.ui.interview import ExitInterviewScreen

        for _ in range(80):
            screen = app.screen
            if isinstance(screen, RunEndScreen):
                break
            if isinstance(screen, ExitInterviewScreen):
                # Decline to comment; the record is kept anyway.
                await pilot.press("enter", "space")
                continue
            assert isinstance(screen, BoardScreen)
            state = screen.state
            if state.phase is Phase.OVER:
                await pilot.press("space")  # leave the table
            elif state.phase is Phase.DRAW:
                await pilot.press("s" if state.can_draw_side else "d")
            else:
                await pilot.press("b")
        assert isinstance(app.screen, RunEndScreen)
        assert app.run_state.ttys == 0
        assert not app.run_state.victorious
        from scrypt.engine import legacy as legacy_store

        filed = legacy_store.load()
        assert filed["crashes"]
        assert filed["crashes"][-1]["statement"] == "(they said nothing)"
        assert filed["estate"] is None or filed["estate"]["cycles"] >= 0
        assert filed["shards"]  # the Warden remembers
        await pilot.press("space")  # exit
    assert app.return_value is None


async def test_card_choice_screen_picks_a_card():
    content = load_content()
    options = [content.card("packet"), content.card("tarpit"), content.card("root")]
    picked = []

    class Host(App):
        def on_mount(self):
            self.push_screen(CardChoiceScreen(options, "test"), picked.append)

    async with Host().run_test() as pilot:
        await pilot.pause()
        await pilot.press("right", "enter")
        assert picked == [options[1]]


async def test_abandon_exits_app():
    app = ScryptApp(seed=42, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        await pilot.press("q")
    assert app.return_value is None


async def test_full_victorious_run_through_all_nodes(tmp_path, monkeypatch):
    """Win two empty-script fights; pass through shell, altar, and draft,
    then the victory lap: the root epilogue and the exfiltration pick."""
    import scrypt.app as app_mod
    from textual.widgets import Input
    from scrypt.engine.cards import CardInstance, make_card

    monkeypatch.setenv("SCRYPT_HOME", str(tmp_path))  # isolate legacy.json
    monkeypatch.setattr(app_mod, "RUN_ENCOUNTERS", ["test_empty", "test_empty"])
    app = ScryptApp(seed=5, skip_menu=True)
    app.content.encounters["test_empty"] = {"name": "t", "script": [[]]}
    titan = make_card("titan", power=9, health=9)

    async with app.run_test() as pilot:
        for _ in range(40):
            await pilot.pause()
            screen = app.screen
            if isinstance(screen, RunEndScreen):
                break
            if isinstance(screen, BoardScreen):
                state = screen.state
                if state.phase is Phase.OVER:
                    await pilot.press("space")
                elif state.phase is Phase.DRAW:
                    state.player_row[0] = CardInstance(spec=titan)  # test shortcut
                    await pilot.press("s")
                else:
                    await pilot.press("b")
            elif type(screen).__name__ == "ShellScreen":
                prompt = screen.query_one(Input)
                prompt.value = "fight"
                await pilot.press("enter")
            elif type(screen).__name__ == "AltarScreen":
                await pilot.press("a")       # surrender the command
                await pilot.press("space")   # step away
            elif isinstance(screen, CardChoiceScreen):
                await pilot.press("enter")
        assert isinstance(app.screen, RunEndScreen)
        assert app.run_state.victorious
        assert len(app.session.shell.revoked) == 1  # the altar took its due
        assert len(app.run_state.deck) == 10  # 8 start + altar card + drafted card
        from scrypt.engine import legacy as legacy_store

        ledger = legacy_store.load()
        assert ledger["wins"] == 1 and ledger["runs"] == 1
        assert ledger["contraband"] is not None  # the exfiltration pick
        assert ledger["intel"] is not None  # the diary password persists
        await pilot.press("space")
    assert app.return_value is None


async def test_altar_refusal_deletes_personal_files():
    import random
    from textual.app import App
    from scrypt.data import load_content
    from scrypt.sandbox.fabricate import fabricate_home
    from scrypt.sandbox.shell import Shell
    from scrypt.sandbox.vfs import VFS
    from scrypt.ui.altar import AltarScreen

    vfs = VFS()
    fabricate_home(vfs, seed=2)
    shell = Shell(vfs)
    before = vfs.total_files()
    content = load_content()
    outcome = []

    class Host(App):
        def on_mount(self):
            self.push_screen(
                AltarScreen(shell, content.card("root"), random.Random(0)),
                outcome.append,
            )

    async with Host().run_test() as pilot:
        await pilot.pause()
        await pilot.press("r")       # refuse the deal
        await pilot.press("space")   # step away
    assert outcome == [{"card": None, "paid": None}]
    assert vfs.total_files() < before  # the Warden took something anyway
    assert not shell.revoked  # but the command was kept


async def test_altar_speculates_and_speaks_on_resolution():
    import random as random_mod

    from textual.app import App

    from scrypt.data import load_content
    from scrypt.sandbox.fabricate import fabricate_home
    from scrypt.sandbox.shell import Shell
    from scrypt.sandbox.vfs import VFS
    from scrypt.ui.altar import AltarScreen
    from scrypt.warden.presence import WardenPresence

    vfs = VFS()
    fabricate_home(vfs, seed=3)
    shell = Shell(vfs)
    shell.run("ls")  # give most_used() something to want
    content = load_content()
    presence = WardenPresence()  # voiceless
    prefetched: list[str] = []
    submitted: list[str] = []
    presence.prefetch = lambda key, moment, **kw: prefetched.append(key)
    orig_submit = presence.submit

    def spy(moment, **kw):
        submitted.append(kw.get("key"))
        orig_submit(moment, **kw)

    presence.submit = spy
    outcome = []

    class Host(App):
        def on_mount(self):
            self.push_screen(
                AltarScreen(shell, content.card("root"), random_mod.Random(0),
                            contraband=content.card("segfault"), presence=presence),
                outcome.append,
            )

    async with Host().run_test() as pilot:
        await pilot.pause()
        # While the player hesitates, every ending is already cooking.
        assert set(prefetched) == {"altar_accept", "altar_refuse", "altar_contraband"}
        await pilot.press("t")       # hand over the contraband
        await pilot.press("space")
    assert outcome == [{"card": "root", "paid": "contraband"}]
    assert submitted == ["altar_contraband"]
    presence.stop()


async def test_shell_is_haunted_and_answers_say():
    from textual.app import App
    from textual.widgets import Input

    from scrypt.sandbox.fabricate import fabricate_home
    from scrypt.sandbox.shell import Shell
    from scrypt.sandbox.vfs import VFS
    from scrypt.ui.shell import ShellScreen
    from scrypt.warden import watcher
    from scrypt.warden.presence import ANSWER, QUIP, WardenPresence

    vfs = VFS()
    fabricate_home(vfs, seed=4)
    vfs.write("/var/log/warden.log", "audit: everything")
    shell = Shell(vfs)
    presence = WardenPresence()  # voiceless: scripted fallbacks
    submissions: list[tuple[str, int]] = []
    orig_submit = presence.submit

    def spy(moment, **kw):
        submissions.append((moment, kw.get("priority")))
        orig_submit(moment, **kw)

    presence.submit = spy
    screen = ShellScreen(shell, [], [], presence=presence)

    class Host(App):
        def on_mount(self):
            self.push_screen(screen, lambda _: None)

    async with Host().run_test() as pilot:
        await pilot.pause()
        prompt = screen.query_one(Input)

        prompt.value = "say are you watching me"
        await pilot.press("enter")
        assert screen._say_spent == 1
        assert submissions[-1][1] == ANSWER
        assert "<player_input>" in submissions[-1][0]  # wrapped inert

        prompt.value = "cat /var/log/warden.log"
        await pilot.press("enter")
        assert submissions[-1][1] == QUIP
        assert "audit log" in submissions[-1][0]

        # Past the budget the Warden brushes you off without the model.
        screen._say_spent = screen._say_budget
        brushed = []
        screen._broadcast = lambda line, pr: brushed.append(line)
        prompt.value = "say hello again"
        await pilot.press("enter")
        assert brushed and brushed[0] in watcher.BRUSH_OFFS
    presence.stop()


async def test_menu_flow_deck_select_and_howto(tmp_path, monkeypatch):
    from scrypt.ui.menu import HowToPlayScreen, MenuScreen
    from scrypt.ui.tutorial import OrientationScreen

    monkeypatch.setenv("SCRYPT_HOME", str(tmp_path))  # a fresh installation
    app = ScryptApp(seed=42)  # menu NOT skipped
    async with app.run_test() as pilot:
        await pilot.pause()
        assert isinstance(app.screen, MenuScreen)
        await pilot.press("right")  # cycle to second deck
        await pilot.press("h")
        await pilot.pause()
        assert isinstance(app.screen, HowToPlayScreen)
        await pilot.press("space")  # back to menu
        await pilot.pause()
        await pilot.press("enter")  # begin with selected deck
        await pilot.pause()
        # A first game ever passes through orientation before the table.
        assert isinstance(app.screen, OrientationScreen)
        await pilot.press("s")  # the impatient may skip
        await pilot.pause()
        assert isinstance(app.screen, BoardScreen)
        assert app.deck_id == "forkstorm"
        assert app.screen.tutorial  # first fight teaches


async def test_orientation_runs_once_per_installation(tmp_path, monkeypatch):
    from scrypt.engine import legacy as legacy_store
    from scrypt.ui.tutorial import PAGES, OrientationScreen

    monkeypatch.setenv("SCRYPT_HOME", str(tmp_path))
    app = ScryptApp(seed=1)
    async with app.run_test() as pilot:
        await pilot.pause()
        await pilot.press("enter")  # begin
        await pilot.pause()
        assert isinstance(app.screen, OrientationScreen)
        await pilot.press("backspace")  # can't back off the first page
        assert app.screen.page == 0
        for _ in range(len(PAGES)):  # read every page to the end
            await pilot.press("enter")
        await pilot.pause()
        assert isinstance(app.screen, BoardScreen)
    assert legacy_store.load()["initiated"] is True

    # Same installation, new game: straight to the table.
    again = ScryptApp(seed=2)
    async with again.run_test() as pilot:
        await pilot.pause()
        await pilot.press("enter")
        await pilot.pause()
        assert isinstance(again.screen, BoardScreen)


async def test_board_inspects_foes_and_opens_help():
    from scrypt.ui.menu import HowToPlayScreen

    from scrypt.engine.cards import CardInstance

    app = ScryptApp(seed=42, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        board = app.screen
        foe = CardInstance(spec=app.content.card("fork-bomb"))
        board.state.foe_row[1] = foe  # test shortcut: stage something to read
        await pilot.press("tab")
        assert board.inspect == 1
        info = str(board._card_info())
        assert "the warden's" in info and foe.name in info
        await pilot.press("tab")  # walk off the end of the row
        assert board.inspect is None
        await pilot.press("question_mark")
        await pilot.pause()
        assert isinstance(app.screen, HowToPlayScreen)


async def test_sigil_glossary_opens_from_board_and_draft():
    from scrypt.ui.glossary import SigilGlossaryScreen

    app = ScryptApp(seed=42, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        await pilot.press("g")
        await pilot.pause()
        # Content completeness is guaranteed by construction: the page
        # loops over SIGIL_EXPLAIN, which a render test keeps exhaustive.
        assert isinstance(app.screen, SigilGlossaryScreen)
        await pilot.press("space")
        await pilot.pause()
        assert isinstance(app.screen, BoardScreen)


def test_say_budget_rolls_between_two_and_seven():
    import random as random_mod

    from scrypt.sandbox.fabricate import fabricate_home
    from scrypt.sandbox.shell import Shell
    from scrypt.sandbox.vfs import VFS
    from scrypt.ui.shell import ShellScreen

    vfs = VFS()
    fabricate_home(vfs, seed=1)
    shell = Shell(vfs)
    random_mod.seed(11)
    budgets = {ShellScreen(shell, [], [])._say_budget for _ in range(60)}
    assert budgets <= set(range(2, 8))
    assert 2 in budgets and 7 in budgets  # both ends actually reachable


async def test_shell_history_and_tab_completion():
    from textual.app import App
    from textual.widgets import Input

    from scrypt.sandbox.shell import Shell
    from scrypt.sandbox.vfs import VFS
    from scrypt.ui.shell import ShellScreen

    vfs = VFS()
    vfs.write("/home/drifter/notes.txt", "hello")
    vfs.write("/home/drifter/.secret", "shh")
    vfs.mkdir("/home/drifter/notebooks")
    shell = Shell(vfs)
    screen = ShellScreen(shell, [], [])

    class Host(App):
        def on_mount(self):
            self.push_screen(screen, lambda _: None)

    async with Host().run_test() as pilot:
        await pilot.pause()
        prompt = screen.query_one(Input)

        # ---- history: two commands, then walk back and forward
        prompt.value = "pwd"
        await pilot.press("enter")
        prompt.value = "ls"
        await pilot.press("enter")
        await pilot.press("up")
        assert prompt.value == "ls"
        await pilot.press("up")
        assert prompt.value == "pwd"
        await pilot.press("down", "down")
        assert prompt.value == ""  # back at the live prompt

        # ---- completion: command name, then a path
        prompt.value = "pw"
        prompt.cursor_position = 2
        await pilot.press("tab")
        assert prompt.value == "pwd "
        prompt.value = "cat note"
        prompt.cursor_position = len(prompt.value)
        await pilot.press("tab")  # notes.txt vs notebooks/ -> common prefix
        assert prompt.value.endswith("note")
        prompt.value = "cat notes"
        prompt.cursor_position = len(prompt.value)
        await pilot.press("tab")
        assert prompt.value == "cat notes.txt "
        prompt.value = "cat noteb"
        prompt.cursor_position = len(prompt.value)
        await pilot.press("tab")
        assert prompt.value == "cat notebooks/"  # dirs complete open-ended

        # hidden files stay hidden until the prefix reaches for them
        prompt.value = "cat .se"
        prompt.cursor_position = len(prompt.value)
        await pilot.press("tab")
        assert prompt.value == "cat .secret "

        # sold commands do not complete: they are gone
        shell.revoke("grep", "sold")
        prompt.value = "gre"
        prompt.cursor_position = len(prompt.value)
        await pilot.press("tab")
        assert prompt.value == "gre"


async def test_menu_offers_carving_only_when_carvable():
    from textual.app import App

    from scrypt.ui.menu import MenuScreen

    content = load_content()
    picked = []

    class Host(App):
        def on_mount(self):
            self.push_screen(
                MenuScreen(content.starter_decks, "scripted", carvable=True),
                picked.append,
            )

    async with Host().run_test() as pilot:
        await pilot.pause()
        await pilot.press("c")
        assert picked == ["::carve::"]

    picked.clear()

    class Deaf(App):
        def on_mount(self):
            self.push_screen(
                MenuScreen(content.starter_decks, "local", carvable=False),
                picked.append,
            )

    async with Deaf().run_test() as pilot:
        await pilot.pause()
        await pilot.press("c")  # ignored: nothing to carve
        assert picked == []


async def test_menu_quit_exits():
    from scrypt.ui.menu import MenuScreen

    app = ScryptApp(seed=42)
    async with app.run_test() as pilot:
        await pilot.pause()
        assert isinstance(app.screen, MenuScreen)
        await pilot.press("q")
    assert app.return_value is None


async def test_deck_viewer_opens_and_closes():
    from scrypt.ui.deckview import DeckViewScreen

    app = ScryptApp(seed=42, skip_menu=True)
    async with app.run_test() as pilot:
        await pilot.pause()
        await pilot.press("s")  # leave draw phase
        await pilot.press("v")
        await pilot.pause()
        assert isinstance(app.screen, DeckViewScreen)
        await pilot.press("space")
        await pilot.pause()
        assert isinstance(app.screen, BoardScreen)


async def test_menu_surfaces_backend_failure(monkeypatch):
    """A broken local setup must explain itself, not silently go scripted."""
    import scrypt.app as app_mod
    from scrypt.ui.menu import MenuScreen

    def explode():
        raise RuntimeError("llama-server exited during startup: unknown architecture")

    monkeypatch.setattr(app_mod, "build_backend", explode)
    app = ScryptApp(seed=42)
    app._backend = None  # force the wake path
    async with app.run_test() as pilot:
        await pilot.pause()
        screen = app.screen
        assert isinstance(screen, MenuScreen)
        assert app.backend_mode == "scripted"
        assert "unknown architecture" in app.backend_error
        assert not app.backend_waking
        subtitle = str(screen.query_one("#subtitle").render())
        assert "why:" in subtitle