"""Comenzile slash: /new (+ fork), /cd, /model, /status, /stop, /cleanup, /help."""

from __future__ import annotations

import pytest

import bot

try:
    from tests.test_bot import (CHANNEL, USER, FakeChannel, FakeInteraction,
                                FakeMessage, FakeUser, allowed, bridge)
except ImportError:  # pragma: no cover
    from test_bot import (CHANNEL, USER, FakeChannel, FakeInteraction,
                          FakeMessage, FakeUser, allowed, bridge)

__all__ = ["allowed", "bridge"]


async def slash(bridge, name, ch=None, **opts):
    """Ruleaza o comanda slash pe un canal, ca in Discord."""
    ch = ch or FakeChannel()
    it = FakeInteraction(channel=ch)
    label = await bridge.handle_slash(it, name, **opts)
    return label, ch, it


async def prompt(bridge, text, ch=None):
    """Un mesaj obisnuit: pleaca la Claude ca prompt."""
    ch = ch or FakeChannel()
    label = await bridge.handle_message(FakeMessage(text, channel=ch))
    return label, ch


# ------------------------------------------------- optiuni slash -> argumente
def test_slash_args():
    assert bot.slash_args("new", {"fork": True}) == ["--fork"]
    assert bot.slash_args("new", {"fork": False}) == []
    assert bot.slash_args("cleanup", {"force": True}) == ["--force"]
    assert bot.slash_args("cd", {"cale": " /workspace/romfastsql "}) == ["/workspace/romfastsql"]
    assert bot.slash_args("model", {"model": "opus"}) == ["opus"]
    assert bot.slash_args("status", {}) == []


def test_prefixul_vechi_nu_mai_e_parsat():
    """`parse_command` a disparut: `!` nu mai executa nimic."""
    assert not hasattr(bot, "parse_command")
    assert bot.legacy_prefix_hint("!cd /x").startswith("Comenzile sunt acum slash")
    assert bot.legacy_prefix_hint("salut") is None
    assert bot.legacy_prefix_hint("!") is None
    assert bot.legacy_prefix_hint("!ceva-inexistent") is None


async def test_comanda_necunoscuta_e_refuzata_efemer(bridge):
    label, ch, it = await slash(bridge, "inexistenta")
    assert label == "unknown-command"
    assert ch.sent == []
    assert "nu exista" in it.ephemeral


async def test_orice_comanda_confirma_in_3_secunde(bridge):
    """Fara `defer()`, Discord marcheaza interactiunea ca esuata."""
    for name in bot.COMMANDS:
        _, _, it = await slash(bridge, name, cale="/tmp", model="sonnet")
        assert it.response.deferred == 1, name


async def test_help(bridge):
    label, ch, _ = await slash(bridge, "help")
    assert label == "cmd:help"
    for c in ("/new", "/cd", "/model", "/status", "/stop", "/cleanup"):
        assert c in ch.all_text
    assert "!" not in ch.all_text


# ---------------------------------------------------------------------- /new
async def test_new_sterge_sesiunea(bridge, store):
    ch = FakeChannel()
    await prompt(bridge, "salut", ch)                  # creeaza sesiunea
    assert store.thread(str(ch.id))["sid"] == "sid-fake-0001"
    label, _, _ = await slash(bridge, "new", ch=ch, fork=False)
    assert label == "cmd:new"
    assert store.thread(str(ch.id))["sid"] is None
    assert bridge.runner.procs[str(ch.id)].alive is False


async def test_new_fork_pastreaza_contextul(bridge, store):
    ch = FakeChannel()
    await prompt(bridge, "salut", ch)
    await slash(bridge, "new", ch=ch, fork=True)
    assert store.thread(str(ch.id))["sid"] == "sid-fake-0001"
    assert "fork" in ch.all_text
    assert bridge.runner.procs[str(ch.id)].sid == "sid-fake-0001"


# ----------------------------------------------------------------------- /cd
async def test_cd_oriunde_in_workspace(bridge, store, tmp_path):
    target = tmp_path / "proiect-nou"
    target.mkdir()
    label, ch, _ = await slash(bridge, "cd", cale=str(target))
    assert label == "cmd:cd"
    assert store.thread(str(ch.id))["cwd"] == str(target)
    assert str(target) in ch.all_text


async def test_cd_refuza_ce_nu_e_director(bridge, store):
    _, ch, _ = await slash(bridge, "cd", cale="/nu/exista/nicaieri")
    assert "nu e un director" in ch.all_text
    assert store.thread(str(ch.id))["cwd"] != "/nu/exista/nicaieri"


async def test_cd_fara_argument(bridge):
    _, ch, _ = await slash(bridge, "cd", cale="")
    assert "Foloseste" in ch.all_text


async def test_cd_se_aplica_procesului_urmator(bridge, tmp_path):
    ch = FakeChannel()
    await prompt(bridge, "salut", ch)
    target = tmp_path / "alt-proiect"
    target.mkdir()
    await slash(bridge, "cd", ch=ch, cale=str(target))
    assert bridge.runner.procs[str(ch.id)].cwd == str(target)
    assert bridge.runner.procs[str(ch.id)].alive is False  # se reia cu --resume


# -------------------------------------------------------------------- /model
async def test_model_implicit_e_sonnet(bridge, store):
    _, ch = await prompt(bridge, "salut")
    assert store.thread(str(ch.id))["model"] == "sonnet"
    assert "sonnet" in ch.all_text


async def test_model_opus_per_fir(bridge, store):
    ch = FakeChannel()
    label, _, _ = await slash(bridge, "model", ch=ch, model="opus")
    assert label == "cmd:model"
    assert store.thread(str(ch.id))["model"] == "opus"
    # firul vecin (alt thread, acelasi canal-parinte) ramane pe sonnet
    ch2 = FakeChannel("201", parent_id=CHANNEL)
    await slash(bridge, "status", ch=ch2)
    assert "model      : sonnet" in ch2.all_text


async def test_modelul_ales_ajunge_in_subsol(bridge):
    ch = FakeChannel()
    await slash(bridge, "model", ch=ch, model="opus")
    await prompt(bridge, "salut", ch)
    assert "opus" in ch.sent[-1].content


async def test_model_necunoscut_refuzat(bridge, store):
    """Discord filtreaza prin Choice, dar centura ramane si in cod."""
    ch = FakeChannel()
    await slash(bridge, "model", ch=ch, model="gpt")
    assert "necunoscut" in ch.all_text
    assert store.thread(str(ch.id))["model"] == "sonnet"


async def test_model_fara_argument_arata_curentul(bridge):
    _, ch, _ = await slash(bridge, "model", model="")
    assert "Model curent" in ch.all_text


# ------------------------------------------------------------------- /status
async def test_status_arata_campurile_cerute(bridge):
    ch = FakeChannel()
    await prompt(bridge, "salut", ch)
    await slash(bridge, "status", ch=ch)
    text = ch.sent[-1].content
    for camp in ("fir", "sesiune", "director", "model", "proces", "tur in zbor",
                 "in coada", "cost fir", "cost azi"):
        assert camp in text
    assert "sid-fake-0001" in text
    assert "$0.0123" in text


async def test_status_arata_stderr(bridge, monkeypatch):
    ch = FakeChannel()
    monkeypatch.setenv("FAKE_CLAUDE_SCENARIO", "crash")
    await prompt(bridge, "salut", ch)            # esueaza si lasa stderr in buffer
    proc = bridge.runner.procs[str(ch.id)]
    proc.stderr_buf.append("fake_claude: boom")
    await slash(bridge, "status", ch=ch)
    assert "boom" in ch.sent[-1].content


async def test_status_pe_fir_fara_proces(bridge):
    _, ch, _ = await slash(bridge, "status")
    assert "proces     : oprit" in ch.all_text
    assert "(noua)" in ch.all_text


# --------------------------------------------------------------------- /stop
async def test_stop_opreste_procesul(bridge, store):
    ch = FakeChannel()
    await prompt(bridge, "salut", ch)
    proc = bridge.runner.procs[str(ch.id)]
    assert proc.alive is True          # procesul ramane viu intre tururi
    await slash(bridge, "stop", ch=ch)
    assert "oprit" in ch.all_text
    assert proc.alive is False


async def test_stop_fara_proces(bridge):
    _, ch, _ = await slash(bridge, "stop")
    assert "Nu ruleaza nimic" in ch.all_text


async def test_stop_curata_inflight(bridge, store):
    ch = FakeChannel()
    store.set_inflight(str(ch.id), "t1", USER, "m1")
    await slash(bridge, "stop", ch=ch)
    assert store.is_inflight(str(ch.id)) is False


# ------------------------------------------------------------------ /cleanup
async def test_cleanup_deleaga_in_lane_c(bridge, monkeypatch):
    calls = {}

    class FakeCleanup:
        @staticmethod
        def find_orphans(state):
            calls["state"] = state
            return [{"pid": 1234, "cmdline": "claude -p", "age_s": 10, "rss_mb": 406.0}]

        @staticmethod
        def kill_orphans(orphans, dry_run=True):
            calls["dry_run"] = dry_run
            return [{"pid": 1234, "action": "dry-run", "detail": "s-ar trimite SIGTERM"}]

        @staticmethod
        def format_report(orphans, results=None):
            calls["results"] = results
            return f"{len(orphans)} orfani"

    monkeypatch.setattr(bot, "cleanup", FakeCleanup)
    _, ch, _ = await slash(bridge, "cleanup", force=False)
    assert "1 orfani" in ch.all_text
    assert calls["dry_run"] is True and calls["results"] is None
    assert "threads" in calls["state"]

    _, ch2, _ = await slash(bridge, "cleanup", force=True)
    assert calls["dry_run"] is False and calls["results"] is not None


async def test_cleanup_care_crapa_nu_doboara_botul(bridge, monkeypatch):
    class Boom:
        @staticmethod
        def find_orphans(state):
            raise RuntimeError("proc ilizibil")

    monkeypatch.setattr(bot, "cleanup", Boom)
    _, ch, _ = await slash(bridge, "cleanup")
    assert "a esuat" in ch.all_text


async def test_cleanup_real_ruleaza_in_dry_run(bridge):
    """Modulul real al lui Lane C: nu omoara nimic implicit."""
    pytest.importorskip("cleanup")
    _, ch, _ = await slash(bridge, "cleanup")
    assert ch.all_text.strip() != ""


# ------------------------------------------------ declararea comenzilor slash
def test_toate_comenzile_au_handler(bridge):
    for name in bot.COMMANDS:
        assert callable(getattr(bridge, f"cmd_{name}", None)), name


def test_arborele_declara_exact_comenzile_puntii(bridge):
    """Cu discord.py instalat: semnaturile chiar ajung in arbore."""
    pytest.importorskip("discord")
    import commands_slash

    tree = commands_slash.build_tree(_FakeClient(), bridge)
    cmds = {c.name: c for c in tree.get_commands()}
    assert set(cmds) == set(bot.COMMANDS)
    assert {p.name for p in cmds["new"].parameters} == {"fork"}
    assert {p.name for p in cmds["cd"].parameters} == {"cale"}
    assert {p.name for p in cmds["cleanup"].parameters} == {"force"}
    assert cmds["cd"].parameters[0].required is True
    assert cmds["new"].parameters[0].required is False
    choices = [c.value for c in cmds["model"].parameters[0].choices]
    assert choices == ["sonnet", "opus"]


class _FakeState:
    _command_tree = None


class _FakeClient:
    """`CommandTree` cere doar http + _connection; nu se deschide nicio conexiune."""

    application_id = 42
    http = None

    def __init__(self):
        self._connection = _FakeState()


class _FakeTree:
    """Arbore fals pentru testarea sync-ului, fara retea."""

    def __init__(self, client=None, fail=None):
        self.client = client or _FakeClient()
        self.fail = fail
        self.synced: list[int] = []
        self.copied: list[int] = []

    def copy_global_to(self, guild):
        self.copied.append(guild.id)

    async def sync(self, guild=None):
        if self.fail is not None:
            raise self.fail
        self.synced.append(guild.id)
        return ["/new", "/cd"]


# ------------------------------------------------- inregistrarea in Discord
async def test_sync_se_face_pe_guild(bridge):
    pytest.importorskip("discord")
    import commands_slash

    tree = _FakeTree()
    out = await commands_slash.sync_guilds(tree, ["100", "101"])
    assert tree.synced == [100, 101] and tree.copied == [100, 101]
    assert out == {"100": "ok (2 comenzi)", "101": "ok (2 comenzi)"}


async def test_sync_esuat_nu_doboara_botul_si_spune_linkul(bridge, caplog):
    pytest.importorskip("discord")
    import commands_slash

    tree = _FakeTree(fail=RuntimeError("403 Forbidden (Missing Access)"))
    with caplog.at_level("ERROR"):
        out = await commands_slash.sync_guilds(tree, ["100"])
    assert out["100"].startswith("esuat")
    assert "applications.commands" in caplog.text
    assert "client_id=42" in caplog.text


async def test_sync_fara_arbore_sau_fara_guilduri_nu_arunca():
    import commands_slash

    assert await commands_slash.sync_guilds(None, ["100"]) == {}
    assert await commands_slash.sync_guilds(_FakeTree(), []) == {}